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Re: Making an ER40 Collet Chuck
Glenn N
¿ªÔÆÌåÓýI picked up an old kiln for $25 at a yard
sale. I added a PID control and an SSR and it will maintain a
set temp for whatever time you set. I mostly use it to melt
aluminum but it makes a nice heat treat oven also. I would
likely try kasenite, but IF I got to choose my metal I would go
with something more intended for the use.
Glenn
From: Andrei
[mailto:calciu1@...]
Sent: Thursday,
April 23, 2020, 7:38 PM
Subject:
[atlas-craftsman IO] Making an ER40 Collet Chuck
|
Re: Making an ER40 Collet Chuck
Glenn N
¿ªÔÆÌåÓýGP,
Okay, I believe you. You would do well to tell these people
of their error also please?
It gives the short list of specs for 1018.
Thanks for correcting me, before I bought some and went to
all the trouble of machining it and heating it up for an hour or
so.
Glenn
Please don't take this wrong as it is meant as an honest
thanks and compliment.
From: Guenther
Paul [mailto:paulguenter@...]
Sent: Thursday,
April 23, 2020, 6:05 PM
Subject:
[atlas-craftsman IO] Making an ER40 Collet Chuck
|
Re: Finding small objects
Perry said:
"Any suggestions for finding small parts thrown by the wire wheel on the grinder" A couple of preemptive options are to attach some kind of handle to your part, it a nut, put it on a bolt, on really small parts i wrap one end in blue tape with a long tail, if I drop it and the tail survives the wire wheel it is way easier to find. On some parts (if safe) I attach a short length of soft wire (no sharp ends) to give a better hold on the part, if it catches in the machine I let go. Also listen carefully to the sounds the part makes as it bounces around and you can often identify what makes those sounds when a part is bounced off of them. For threaded parts I bought a few cheap vice grip type pliers at HF and clamped nuts of various sizes in the jaw then welded them in, then sawed the captive nut in two, and ground out a little extra space in the jaw area to make room for the bolt/screw head. Also put a chunk of old shag carpet in the target zone of your grinder, it tends to capture parts or at least slow them down. Murphy's law of small parts; If there is a hole or drain, a dropped part will find it. I build a partially functioning Interocitor, I found that if i leave it powered up by the grinder it somehow captures those nuts, bolts and parts that other people loose into hyperspace and they just come flying out of a small time/space portal. It gets annoying, sometimes I need a shovel there are so many ; ) -- Ken H in AZ Knowledge is like manure, it won't do any good unless you spread it around. |
Re: Making an ER40 Collet Chuck
Lots of people have built forges and furnaces by digging a hole in the ground. Or piling up dirt. Bricks, blocks, or rocks? too. A fan, a handful of feathers, or a shop vac to force draft. Scrap wood, charcoal, waste oil, propane... There are a lot of ways to do it.? Alexander Weygers has a pretty good book, The Complete Modern Blacksmith.? https://www.amazon.com/Complete-Modern-Blacksmith-Alexander-Weygers-ebook/dp/B007KPNJD8/ref=mp_s_a_1_3?dchild=1&keywords=complete+modern+blacksmith&qid=1587698705&sr=8-3 Bill in OKC William R. Meyers, MSgt, USAF(Ret.) A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects. LAZARUS LONG (Robert A. Heinlein)
On Thursday, April 23, 2020, 09:38:37 PM CDT, Andrei <calciu1@...> wrote:
Where is Jody going to get a forge and how will he keep it at 1000+ degrees for several hours?
Typos are courtesy of autocorrect.
From: [email protected] <[email protected]> on behalf of Bill in OKC too via groups.io <wmrmeyers@...>
Sent: Thursday, April 23, 2020 9:45:48 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Or you can put it in a metal box or can packed with carbon, scraps of leather or horn, or a few other things, seal it, and put it in a forge and keep it red-hot for several hours. Then dump and quench. There are usually several ways to do things in metalworking.
Some of them are old-fashioned and not as controllable, but adequate for occasional use.?
I guess it helps if you read old books on how things were done before modern equipment was invented.?
Bill in OKC
William R. Meyers, MSgt, USAF(Ret.)
A human being should be able to change a diaper, plan an invasion,
butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects. LAZARUS LONG (Robert A. Heinlein) On Thursday, April 23, 2020, 08:31:38 PM CDT, Andrei <calciu1@...> wrote:
1018 can be hardened by carburizing. It takes hours at high temperatures, it takes a special furnace where they pump carbon monoxide and sulphur and other stuff. Definitely not something you can do at home.? And it won't be as good
as o1 steel
From: [email protected] <[email protected]> on behalf of Guenther Paul <paulguenter@...>
Sent: Thursday, April 23, 2020 9:05:17 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Glenn sticking 1018 in water will not harden its a waist of time
GP
On Thursday, April 23, 2020, 9:02:06 PM EDT, Glenn N <glennsneff@...> wrote:
For hobby use, as hard as you can get it...When you are almost done with the taper, heat it to 1500F* and quench in water. Then grind the finish taper. First thing you should do IMO is
make an 1 1/2 8 spindle plug that matches your spindle really close. Then when you turn the spindle end and thread it you can test the fit with your threaded plug. I made mine out of aluminum because I had it but ...
Glenn
From: Jody [mailto:jp4lsu@...]
Sent: Thursday, April 23, 2020, 5:18 PM
Subject: [atlas-craftsman IO] Making an ER40 Collet Chuck
So I went by the metal store by the house and picked up a 3" 1018 round bar drop off for a few bucks.? Very little round bar to choose from so I grabbed a piece of what they had since its only a few bucks.
I believe I should be able to get this heat treated afterwards.? ?I'll have to see what sort of hardness it? an provide.
I have no idea how this will machine.? I'll give it a spin.
So what sort of hardness is needed for a? collet chuck.
-Jody
Sent via the Samsung Galaxy S10+, an AT&T 5G Evolution capable smartphone
-------- Original message --------
From: Guenther Paul
<paulguenter@...>
Date: 4/23/20 4:00 PM (GMT-06:00)
Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck
A collet chuck needs a hardened surface where the collet"s contact the taper of the chuck. You can use a oil hardening steel or water hardening. Make sure you do it properly and watch the colors of the steel when you dunk it in. I can walk you
thru the process but i need to know the type of steel
GP
On Thursday, April 23, 2020, 4:38:15 PM EDT, Andrei
<calciu1@...> wrote:
Oops. forgot about the collets being hardened and the cast iron, vastly less so. Thanks?GP
From:
[email protected]
<[email protected]> on behalf of Guenther Paul
<paulguenter@...>
Sent: Thursday, April 23, 2020 4:34 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
A collet chuck needs to be made from tool steel not cast iron. The collet will dig in to the cast iron. Its a no no
GP
On Thursday, April 23, 2020, 4:16:05 PM EDT, Andrei
<calciu1@...> wrote:
1 foot long piece of 4.25" cast iron is 106 bucks at mcmaster. yuo need this diameter to finish at 100mm for your chuck.
1144 is only available in 3" max diameter, so your options may be limited in using this.?
From:
[email protected]
<[email protected]> on behalf of Andrei
<calciu1@...>
Sent: Thursday, April 23, 2020 4:07 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Cast iron is always a good (but messy) option. You can order a slice of various diameters from McMaster Carr. This is a company that never disappoints, until your check your bill
?. Their products are top notch, selections are wide and deep and they are delivered quickly. The prices match the quality of product and service. I have never hesitated buying from them.?
Best Regards,
Andrei D. Calciu 6371 Birch Leaf Court Burke, VA 22015-3528 USA ? 703-995-4822 (landline and Fax) 571-436-0169 (mobile) mailto:calciu1@... ? ?
From:
[email protected]
<[email protected]> on behalf of kaje7777
<kevin.quiggle@...>
Sent: Thursday, April 23, 2020 4:00 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Jody - Regarding your question about stainless for your project: I have not had much experience working with stainless, but what little I have had has all been bad. This may say more about my fairly limited machining experience than anything else, but
I found work hardening to be a real problem.
Take a look at this chart for some idea of how easy it is to machine various metals: You might consider 1144 stressproof. You can look up various alloys on SpeedyMetals and get more information on typical uses. |
Re: Making an ER40 Collet Chuck
Bill, I agree 110%! Some times you just have to work with whats available. When I made mine I just happened to come across a slug of 8620 that was free. I did not harden it, and has performed flawlessly since 2013 with no need for truing. I made another one on the fly out of 6061 aluminum and it has been is use since 2018 with minor touch ups. When it comes down to it, one has to weigh the usage, life expectancy and cost. I will offer a piece of advice on making one, make the snout a tad longer if you have room and then thread the snout a few extra threads, then as wear takes place you can trim the snout back after you true up the taper bore for proper collet and nut fit.
|
Re: Making an ER40 Collet Chuck
¿ªÔÆÌåÓý
Where is Jody going to get a forge and how will he keep it at 1000+ degrees for several hours?
Typos are courtesy of autocorrect.
From: [email protected] <[email protected]> on behalf of Bill in OKC too via groups.io <wmrmeyers@...>
Sent: Thursday, April 23, 2020 9:45:48 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Or you can put it in a metal box or can packed with carbon, scraps of leather or horn, or a few other things, seal it, and put it in a forge and keep it red-hot for several hours. Then dump and quench. There are usually several ways to do things in metalworking.
Some of them are old-fashioned and not as controllable, but adequate for occasional use.?
I guess it helps if you read old books on how things were done before modern equipment was invented.?
Bill in OKC
William R. Meyers, MSgt, USAF(Ret.)
A human being should be able to change a diaper, plan an invasion,
butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects. LAZARUS LONG (Robert A. Heinlein) On Thursday, April 23, 2020, 08:31:38 PM CDT, Andrei <calciu1@...> wrote:
1018 can be hardened by carburizing. It takes hours at high temperatures, it takes a special furnace where they pump carbon monoxide and sulphur and other stuff. Definitely not something you can do at home.? And it won't be as good
as o1 steel
From: [email protected] <[email protected]> on behalf of Guenther Paul <paulguenter@...>
Sent: Thursday, April 23, 2020 9:05:17 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Glenn sticking 1018 in water will not harden its a waist of time
GP
On Thursday, April 23, 2020, 9:02:06 PM EDT, Glenn N <glennsneff@...> wrote:
For hobby use, as hard as you can get it...When you are almost done with the taper, heat it to 1500F* and quench in water. Then grind the finish taper. First thing you should do IMO is
make an 1 1/2 8 spindle plug that matches your spindle really close. Then when you turn the spindle end and thread it you can test the fit with your threaded plug. I made mine out of aluminum because I had it but ...
Glenn
From: Jody [mailto:jp4lsu@...]
Sent: Thursday, April 23, 2020, 5:18 PM
Subject: [atlas-craftsman IO] Making an ER40 Collet Chuck
So I went by the metal store by the house and picked up a 3" 1018 round bar drop off for a few bucks.? Very little round bar to choose from so I grabbed a piece of what they had since its only a few bucks.
I believe I should be able to get this heat treated afterwards.? ?I'll have to see what sort of hardness it? an provide.
I have no idea how this will machine.? I'll give it a spin.
So what sort of hardness is needed for a? collet chuck.
-Jody
Sent via the Samsung Galaxy S10+, an AT&T 5G Evolution capable smartphone
-------- Original message --------
From: Guenther Paul
<paulguenter@...>
Date: 4/23/20 4:00 PM (GMT-06:00)
Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck
A collet chuck needs a hardened surface where the collet"s contact the taper of the chuck. You can use a oil hardening steel or water hardening. Make sure you do it properly and watch the colors of the steel when you dunk it in. I can walk you
thru the process but i need to know the type of steel
GP
On Thursday, April 23, 2020, 4:38:15 PM EDT, Andrei
<calciu1@...> wrote:
Oops. forgot about the collets being hardened and the cast iron, vastly less so. Thanks?GP
From:
[email protected]
<[email protected]> on behalf of Guenther Paul
<paulguenter@...>
Sent: Thursday, April 23, 2020 4:34 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
A collet chuck needs to be made from tool steel not cast iron. The collet will dig in to the cast iron. Its a no no
GP
On Thursday, April 23, 2020, 4:16:05 PM EDT, Andrei
<calciu1@...> wrote:
1 foot long piece of 4.25" cast iron is 106 bucks at mcmaster. yuo need this diameter to finish at 100mm for your chuck.
1144 is only available in 3" max diameter, so your options may be limited in using this.?
From:
[email protected]
<[email protected]> on behalf of Andrei
<calciu1@...>
Sent: Thursday, April 23, 2020 4:07 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Cast iron is always a good (but messy) option. You can order a slice of various diameters from McMaster Carr. This is a company that never disappoints, until your check your bill
?. Their products are top notch, selections are wide and deep and they are delivered quickly. The prices match the quality of product and service. I have never hesitated buying from them.?
Best Regards,
Andrei D. Calciu 6371 Birch Leaf Court Burke, VA 22015-3528 USA ? 703-995-4822 (landline and Fax) 571-436-0169 (mobile) mailto:calciu1@... ? ?
From:
[email protected]
<[email protected]> on behalf of kaje7777
<kevin.quiggle@...>
Sent: Thursday, April 23, 2020 4:00 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Jody - Regarding your question about stainless for your project: I have not had much experience working with stainless, but what little I have had has all been bad. This may say more about my fairly limited machining experience than anything else, but
I found work hardening to be a real problem.
Take a look at this chart for some idea of how easy it is to machine various metals: You might consider 1144 stressproof. You can look up various alloys on SpeedyMetals and get more information on typical uses. |
Re: Making an ER40 Collet Chuck
Once the collet chuck is finished machined it must be hardened that also includes 4140?? GP
On Thursday, April 23, 2020, 9:51:52 PM EDT, Dave Matticks <dpm100@...> wrote:
If you use "tool steel" and don't harden it that might even set you back! When you buy a slug of O1,? A2, whatever it's not even near ready! Bare, marginal minimum in my opinion would be 4140 prehard.? Dave? Sent from my T-Mobile 4G LTE Device -------- Original message -------- From: Andrei <calciu1@...> Date: 4/23/20 15:38 (GMT-06:00) Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck
Oops. forgot about the collets being hardened and the cast iron, vastly less so. Thanks?GP
From: [email protected] <[email protected]> on behalf of Gu enther Paul <paulguenter@...>
Sent: Thursday, April 23, 2020 4:34 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
A collet chuck needs to be made from tool steel not cast iron. The collet will dig in to the cast iron. Its a no no
GP
On Thursday, April 23, 2020, 4:16:05 PM EDT, Andrei <calciu1@...> wrote:
1 foot long piece of 4.25" cast iron is 106 bucks at mcmaster. yuo need this diameter to finish at 100mm for your chuck.
1144 is only available in 3" max diameter, so your options may be limited in using this.?
From: [email protected] <[email protected]> on behalf of Andrei <calciu1@...>
Sent: Thursday, April 23, 2020 4:07 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Cast iron is always a good (but messy) option. You can order a slice of various diameters from McMaster Carr. This is a company that never disappoints, until your check your bill
?. Their products are top notch, selections are wide and deep and they are delivered quickly. The prices match the quality of product and service. I have never hesitated buying from them.?
Best Regards,
Andrei D. Calciu 6371 Birch Leaf Court Burke, VA 22015-3528 USA ? 703-995-4822 (landline and Fax) 571-436-0169 (mobile) mailto:calciu1@... ? ? From: [email protected] <[email protected]> on behalf of kaje7777 <kevin.quiggle@...>
Sent: Thursday, April 23, 2020 4:00 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Jody - Regarding your question about stainless for your project: I have not had much experience working with stainless, but what little I have had has all been bad. This may say more about my fairly limited machining experience than anything else, but
I found work hardening to be a real problem.
Take a look at this chart for some idea of how easy it is to machine various metals: You might consider 1144 stressproof. You can look up various alloys on SpeedyMetals and get more information on typical uses. https://www.speedymetals.com/s-108-cold-finished.aspx |
Re: Making an ER40 Collet Chuck
¿ªÔÆÌåÓýIf you use "tool steel" and don't harden it that might even set you back! When you buy a slug of O1,? A2, whatever it's not even near ready! Bare, marginal minimum in my opinion would be 4140 prehard.? Dave? Sent from my T-Mobile 4G LTE Device ¿ªÔÆÌåÓý-------- Original message -------- From: Andrei <calciu1@...> Date: 4/23/20 15:38 (GMT-06:00) Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck
Oops. forgot about the collets being hardened and the cast iron, vastly less so. Thanks?GP
From: [email protected] <[email protected]> on behalf of Gu enther Paul <paulguenter@...>
Sent: Thursday, April 23, 2020 4:34 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
A collet chuck needs to be made from tool steel not cast iron. The collet will dig in to the cast iron. Its a no no
GP
On Thursday, April 23, 2020, 4:16:05 PM EDT, Andrei <calciu1@...> wrote:
1 foot long piece of 4.25" cast iron is 106 bucks at mcmaster. yuo need this diameter to finish at 100mm for your chuck.
1144 is only available in 3" max diameter, so your options may be limited in using this.?
From: [email protected] <[email protected]> on behalf of Andrei <calciu1@...>
Sent: Thursday, April 23, 2020 4:07 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Cast iron is always a good (but messy) option. You can order a slice of various diameters from McMaster Carr. This is a company that never disappoints, until your check your bill
?. Their products are top notch, selections are wide and deep and they are delivered quickly. The prices match the quality of product and service. I have never hesitated buying from them.?
Best Regards,
Andrei D. Calciu 6371 Birch Leaf Court Burke, VA 22015-3528 USA ? 703-995-4822 (landline and Fax) 571-436-0169 (mobile) mailto:calciu1@... ? ? From: [email protected] <[email protected]> on behalf of kaje7777 <kevin.quiggle@...>
Sent: Thursday, April 23, 2020 4:00 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Jody - Regarding your question about stainless for your project: I have not had much experience working with stainless, but what little I have had has all been bad. This may say more about my fairly limited machining experience than anything else, but
I found work hardening to be a real problem.
Take a look at this chart for some idea of how easy it is to machine various metals: You might consider 1144 stressproof. You can look up various alloys on SpeedyMetals and get more information on typical uses. https://www.speedymetals.com/s-108-cold-finished.aspx |
Re: Making an ER40 Collet Chuck
Or you can put it in a metal box or can packed with carbon, scraps of leather or horn, or a few other things, seal it, and put it in a forge and keep it red-hot for several hours. Then dump and quench. There are usually several ways to do things in metalworking. Some of them are old-fashioned and not as controllable, but adequate for occasional use.? I guess it helps if you read old books on how things were done before modern equipment was invented.? Bill in OKC William R. Meyers, MSgt, USAF(Ret.) A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects. LAZARUS LONG (Robert A. Heinlein)
On Thursday, April 23, 2020, 08:31:38 PM CDT, Andrei <calciu1@...> wrote:
1018 can be hardened by carburizing. It takes hours at high temperatures, it takes a special furnace where they pump carbon monoxide and sulphur and other stuff. Definitely not something you can do at home.? And it won't be as good as o1 steel
From: [email protected] <[email protected]> on behalf of Guenther Paul <paulguenter@...>
Sent: Thursday, April 23, 2020 9:05:17 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Glenn sticking 1018 in water will not harden its a waist of time
GP
On Thursday, April 23, 2020, 9:02:06 PM EDT, Glenn N <glennsneff@...> wrote:
For hobby use, as hard as you can get it...When you are almost done with the taper, heat it to 1500F* and quench in water. Then grind the finish taper. First thing you should do IMO is make an 1 1/2 8 spindle
plug that matches your spindle really close. Then when you turn the spindle end and thread it you can test the fit with your threaded plug. I made mine out of aluminum because I had it but ...
Glenn
From: Jody [mailto:jp4lsu@...]
Sent: Thursday, April 23, 2020, 5:18 PM
Subject: [atlas-craftsman IO] Making an ER40 Collet Chuck
So I went by the metal store by the house and picked up a 3" 1018 round bar drop off for a few bucks.? Very little round bar to choose from so I grabbed a piece of what they had since its only a few bucks.
I believe I should be able to get this heat treated afterwards.? ?I'll have to see what sort of hardness it? an provide.
I have no idea how this will machine.? I'll give it a spin.
So what sort of hardness is needed for a? collet chuck.
-Jody
Sent via the Samsung Galaxy S10+, an AT&T 5G Evolution capable smartphone
-------- Original message --------
From: Guenther Paul
<paulguenter@...>
Date: 4/23/20 4:00 PM (GMT-06:00)
Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck
A collet chuck needs a hardened surface where the collet"s contact the taper of the chuck. You can use a oil hardening steel or water hardening. Make sure you do it properly and watch the colors of the steel when you dunk it in. I can walk you
thru the process but i need to know the type of steel
GP
On Thursday, April 23, 2020, 4:38:15 PM EDT, Andrei
<calciu1@...> wrote:
Oops. forgot about the collets being hardened and the cast iron, vastly less so. Thanks?GP
From:
[email protected]
<[email protected]> on behalf of Guenther Paul
<paulguenter@...>
Sent: Thursday, April 23, 2020 4:34 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
A collet chuck needs to be made from tool steel not cast iron. The collet will dig in to the cast iron. Its a no no
GP
On Thursday, April 23, 2020, 4:16:05 PM EDT, Andrei
<calciu1@...> wrote:
1 foot long piece of 4.25" cast iron is 106 bucks at mcmaster. yuo need this diameter to finish at 100mm for your chuck.
1144 is only available in 3" max diameter, so your options may be limited in using this.?
From:
[email protected]
<[email protected]> on behalf of Andrei
<calciu1@...>
Sent: Thursday, April 23, 2020 4:07 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Cast iron is always a good (but messy) option. You can order a slice of various diameters from McMaster Carr. This is a company that never disappoints, until your check your bill
?. Their products are top notch, selections are wide and deep and they are delivered quickly. The prices match the quality of product and service. I have never hesitated buying from them.?
Best Regards,
Andrei D. Calciu 6371 Birch Leaf Court Burke, VA 22015-3528 USA ? 703-995-4822 (landline and Fax) 571-436-0169 (mobile) mailto:calciu1@... ? ?
From:
[email protected]
<[email protected]> on behalf of kaje7777
<kevin.quiggle@...>
Sent: Thursday, April 23, 2020 4:00 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Jody - Regarding your question about stainless for your project: I have not had much experience working with stainless, but what little I have had has all been bad. This may say more about my fairly limited machining experience than anything else, but
I found work hardening to be a real problem.
Take a look at this chart for some idea of how easy it is to machine various metals: You might consider 1144 stressproof. You can look up various alloys on SpeedyMetals and get more information on typical uses. |
Re: Making an ER40 Collet Chuck
toggle quoted message
Show quoted text
-------- Original message -------- From: Ralph Hulslander <rhulslander@...> Date: 4/23/20 14:00 (GMT-06:00) Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck Why bother with adjustments? I like the ?no adjustment?needed. Ralph On Thu, Apr 23, 2020 at 2:37 PM Jody <jp4lsu@...> wrote:
|
Re: Making an ER40 Collet Chuck
¿ªÔÆÌåÓý
1018 can be hardened by carburizing. It takes hours at high temperatures, it takes a special furnace where they pump carbon monoxide and sulphur and other stuff. Definitely not something you can do at home.? And it won't be as good as o1 steel
From: [email protected] <[email protected]> on behalf of Guenther Paul <paulguenter@...>
Sent: Thursday, April 23, 2020 9:05:17 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Glenn sticking 1018 in water will not harden its a waist of time
GP
On Thursday, April 23, 2020, 9:02:06 PM EDT, Glenn N <glennsneff@...> wrote:
For hobby use, as hard as you can get it...When you are almost done with the taper, heat it to 1500F* and quench in water. Then grind the finish taper. First thing you should do IMO is make an 1 1/2 8 spindle
plug that matches your spindle really close. Then when you turn the spindle end and thread it you can test the fit with your threaded plug. I made mine out of aluminum because I had it but ...
Glenn
From: Jody [mailto:jp4lsu@...]
Sent: Thursday, April 23, 2020, 5:18 PM
Subject: [atlas-craftsman IO] Making an ER40 Collet Chuck
So I went by the metal store by the house and picked up a 3" 1018 round bar drop off for a few bucks.? Very little round bar to choose from so I grabbed a piece of what they had since its only a few bucks.
I believe I should be able to get this heat treated afterwards.? ?I'll have to see what sort of hardness it? an provide.
I have no idea how this will machine.? I'll give it a spin.
So what sort of hardness is needed for a? collet chuck.
-Jody
Sent via the Samsung Galaxy S10+, an AT&T 5G Evolution capable smartphone
-------- Original message --------
From: Guenther Paul
<paulguenter@...>
Date: 4/23/20 4:00 PM (GMT-06:00)
Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck
A collet chuck needs a hardened surface where the collet"s contact the taper of the chuck. You can use a oil hardening steel or water hardening. Make sure you do it properly and watch the colors of the steel when you dunk it in. I can walk you
thru the process but i need to know the type of steel
GP
On Thursday, April 23, 2020, 4:38:15 PM EDT, Andrei
<calciu1@...> wrote:
Oops. forgot about the collets being hardened and the cast iron, vastly less so. Thanks?GP
From:
[email protected]
<[email protected]> on behalf of Guenther Paul
<paulguenter@...>
Sent: Thursday, April 23, 2020 4:34 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
A collet chuck needs to be made from tool steel not cast iron. The collet will dig in to the cast iron. Its a no no
GP
On Thursday, April 23, 2020, 4:16:05 PM EDT, Andrei
<calciu1@...> wrote:
1 foot long piece of 4.25" cast iron is 106 bucks at mcmaster. yuo need this diameter to finish at 100mm for your chuck.
1144 is only available in 3" max diameter, so your options may be limited in using this.?
From:
[email protected]
<[email protected]> on behalf of Andrei
<calciu1@...>
Sent: Thursday, April 23, 2020 4:07 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Cast iron is always a good (but messy) option. You can order a slice of various diameters from McMaster Carr. This is a company that never disappoints, until your check your bill
?. Their products are top notch, selections are wide and deep and they are delivered quickly. The prices match the quality of product and service. I have never hesitated buying from them.?
Best Regards,
Andrei D. Calciu 6371 Birch Leaf Court Burke, VA 22015-3528 USA ? 703-995-4822 (landline and Fax) 571-436-0169 (mobile) mailto:calciu1@... ? ?
From:
[email protected]
<[email protected]> on behalf of kaje7777
<kevin.quiggle@...>
Sent: Thursday, April 23, 2020 4:00 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Jody - Regarding your question about stainless for your project: I have not had much experience working with stainless, but what little I have had has all been bad. This may say more about my fairly limited machining experience than anything else, but
I found work hardening to be a real problem.
Take a look at this chart for some idea of how easy it is to machine various metals: You might consider 1144 stressproof. You can look up various alloys on SpeedyMetals and get more information on typical uses. |
Re: Making an ER40 Collet Chuck
Glenn sticking 1018 in water will not harden its a waist of time GP
On Thursday, April 23, 2020, 9:02:06 PM EDT, Glenn N <glennsneff@...> wrote:
For hobby use, as hard as you can get
it...When you are almost done with the taper, heat it to 1500F*
and quench in water. Then grind the finish taper. First thing
you should do IMO is make an 1 1/2 8 spindle plug that matches
your spindle really close. Then when you turn the spindle end
and thread it you can test the fit with your threaded plug. I
made mine out of aluminum because I had it but ...
Glenn
From: Jody
[mailto:jp4lsu@...]
Sent: Thursday,
April 23, 2020, 5:18 PM
Subject:
[atlas-craftsman IO] Making an ER40 Collet Chuck
So I went by the metal store by the house and
picked up a 3" 1018 round bar drop off for a few bucks.? Very
little round bar to choose from so I grabbed a piece of what
they had since its only a few bucks.
I believe I should be able to get this heat
treated afterwards.? ?I'll have to see what sort of hardness it?
an provide.
I have no idea how this will machine.? I'll give
it a spin.
So what sort of hardness is needed for a? collet
chuck.
-Jody
Sent via the Samsung Galaxy S10+, an
AT&T 5G Evolution capable smartphone
-------- Original message --------
From: Guenther Paul <paulguenter@...>
Date: 4/23/20 4:00 PM (GMT-06:00)
Subject: Re: [atlas-craftsman IO] Making an ER40 Collet
Chuck
A collet chuck needs a
hardened surface where the collet"s contact the taper of the
chuck. You can use a oil hardening steel or water hardening.
Make sure you do it properly and watch the colors of the
steel when you dunk it in. I can walk you thru the process
but i need to know the type of steel
GP
On Thursday, April 23, 2020, 4:38:15 PM EDT, Andrei
<calciu1@...> wrote:
Oops. forgot about the collets being hardened and the
cast iron, vastly less so. Thanks?GP
From:
[email protected]
<[email protected]> on behalf of
Guenther Paul <paulguenter@...>
Sent: Thursday, April 23, 2020 4:34 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
A collet chuck needs to be made
from tool steel not cast iron. The collet will
dig in to the cast iron. Its a no no
GP
On Thursday, April 23, 2020, 4:16:05 PM EDT,
Andrei <calciu1@...> wrote:
1 foot long piece of 4.25" cast iron is
106 bucks at mcmaster. yuo need this
diameter to finish at 100mm for your
chuck.
1144 is only available in 3" max
diameter, so your options may be limited
in using this.?
From:
[email protected]
<[email protected]> on
behalf of Andrei
<calciu1@...>
Sent: Thursday, April 23, 2020 4:07 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Cast iron is always a good (but
messy) option. You can order a slice of
various diameters from McMaster Carr.
This is a company that never
disappoints, until your check your bill
?. Their products are top notch,
selections are wide and deep and they
are delivered quickly. The prices
match the quality of product and
service. I have never hesitated buying
from them.?
Best
Regards,
Andrei D. Calciu 6371 Birch Leaf Court Burke, VA 22015-3528 USA ? 703-995-4822 (landline and Fax) 571-436-0169 (mobile) mailto:calciu1@... ? ? From:
[email protected]
<[email protected]> on
behalf of kaje7777
<kevin.quiggle@...>
Sent: Thursday, April 23, 2020 4:00 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Jody - Regarding your question about
stainless for your project: I have not
had much experience working with
stainless, but what little I have had
has all been bad. This may say more
about my fairly limited machining
experience than anything else, but I
found work hardening to be a real
problem.
Take a look at this chart for some idea of how easy it is to machine various metals: You might consider 1144 stressproof. You can look up various alloys on SpeedyMetals and get more information on typical uses. |
Re: Making an ER40 Collet Chuck
Glenn N
¿ªÔÆÌåÓýFor hobby use, as hard as you can get
it...When you are almost done with the taper, heat it to 1500F*
and quench in water. Then grind the finish taper. First thing
you should do IMO is make an 1 1/2 8 spindle plug that matches
your spindle really close. Then when you turn the spindle end
and thread it you can test the fit with your threaded plug. I
made mine out of aluminum because I had it but ...
Glenn
From: Jody
[mailto:jp4lsu@...]
Sent: Thursday,
April 23, 2020, 5:18 PM
Subject:
[atlas-craftsman IO] Making an ER40 Collet Chuck
|
Re: Making an ER40 Collet Chuck
I send a drawing for you GP
On Thursday, April 23, 2020, 8:12:08 PM EDT, Jody <jp4lsu@...> wrote:
Thanks GP,? Yes I bought the nut already.? That is the drawing I have from either you or Steve Haskill. -Jody Sent via the Samsung Galaxy S10+, an AT&T 5G Evolution capable smartphone -------- Original message -------- From: Guenther Paul <paulguenter@...> Date: 4/23/20 4:00 PM (GMT-06:00) Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck This is for the collet chuck maker. I would buy the front nut. GP
On Thursday, April 23, 2020, 4:38:15 PM EDT, Andrei <calciu1@...> wrote:
Oops. forgot about the collets being hardened and the cast iron, vastly less so. Thanks?GP
From: [email protected] <[email protected]> on behalf of Guenther Paul <paulguenter@...>
Sent: Thursday, April 23, 2020 4:34 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
A collet chuck needs to be made from tool steel not cast iron. The collet will dig in to the cast iron. Its a no no
GP
On Thursday, April 23, 2020, 4:16:05 PM EDT, Andrei <calciu1@...> wrote:
1 foot long piece of 4.25" cast iron is 106 bucks at mcmaster. yuo need this diameter to finish at 100mm for your chuck.
1144 is only available in 3" max diameter, so your options may be limited in using this.?
From: [email protected] <[email protected]> on behalf of Andrei <calciu1@...>
Sent: Thursday, April 23, 2020 4:07 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Cast iron is always a good (but messy) option. You can order a slice of various diameters from McMaster Carr. This is a company that never disappoints, until your check your bill
?. Their products are top notch, selections are wide and deep and they are delivered quickly. The prices match the quality of product and service. I have never hesitated buying from them.?
Best Regards,
Andrei D. Calciu 6371 Birch Leaf Court Burke, VA 22015-3528 USA ? 703-995-4822 (landline and Fax) 571-436-0169 (mobile) mailto:calciu1@... ? ? From: [email protected] <[email protected]> on behalf of kaje7777 <kevin.quiggle@...>
Sent: Thursday, April 23, 2020 4:00 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Jody - Regarding your question about stainless for your project: I have not had much experience working with stainless, but what little I have had has all been bad. This may say more about my fairly limited machining experience than anything else, but
I found work hardening to be a real problem.
Take a look at this chart for some idea of how easy it is to machine various metals: You might consider 1144 stressproof. You can look up various alloys on SpeedyMetals and get more information on typical uses. https://www.speedymetals.com/s-108-cold-finished.aspx |
Re: Making an ER40 Collet Chuck
Jody The only thing you can have done to 1018 is case harden it. Case hardening will do for a while. The hardness is about 0.010 - 0.15 deep depends on who does it. You have to take it to a hardening shop to get it done. I don't recommend you try the hardening process? ?1018 machines real stringy so have a sharp cutting tool. GP
On Thursday, April 23, 2020, 8:18:56 PM EDT, Jody <jp4lsu@...> wrote:
So I went by the metal store by the house and picked up a 3" 1018 round bar drop off for a few bucks.? Very little round bar to choose from so I grabbed a piece of what they had since its only a few bucks. I believe I should be able to get this heat treated afterwards.? ?I'll have to see what sort of hardness it? an provide. I have no idea how this will machine.? I'll give it a spin. So what sort of hardness is needed for a? collet chuck. -Jody Sent via the Samsung Galaxy S10+, an AT&T 5G Evolution capable smartphone -------- Original message -------- From: Guenther Paul <paulguenter@...> Date: 4/23/20 4:00 PM (GMT-06:00) Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck A collet chuck needs a hardened surface where the collet"s contact the taper of the chuck. You can use a oil hardening steel or water hardening. Make sure you do it properly and watch the colors of the steel when you dunk it in. I can walk you thru the process but i need to know the type of steel GP
On Thursday, April 23, 2020, 4:38:15 PM EDT, Andrei <calciu1@...> wrote:
Oops. forgot about the collets being hardened and the cast iron, vastly less so. Thanks?GP
From: [email protected] <[email protected]> on behalf of Guenther Paul <paulguenter@...>
Sent: Thursday, April 23, 2020 4:34 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
A collet chuck needs to be made from tool steel not cast iron. The collet will dig in to the cast iron. Its a no no
GP
On Thursday, April 23, 2020, 4:16:05 PM EDT, Andrei <calciu1@...> wrote:
1 foot long piece of 4.25" cast iron is 106 bucks at mcmaster. yuo need this diameter to finish at 100mm for your chuck.
1144 is only available in 3" max diameter, so your options may be limited in using this.?
From: [email protected] <[email protected]> on behalf of Andrei <calciu1@...>
Sent: Thursday, April 23, 2020 4:07 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Cast iron is always a good (but messy) option. You can order a slice of various diameters from McMaster Carr. This is a company that never disappoints, until your check your bill
?. Their products are top notch, selections are wide and deep and they are delivered quickly. The prices match the quality of product and service. I have never hesitated buying from them.?
Best Regards,
Andrei D. Calciu 6371 Birch Leaf Court Burke, VA 22015-3528 USA ? 703-995-4822 (landline and Fax) 571-436-0169 (mobile) mailto:calciu1@... ? ? From: [email protected] <[email protected]> on behalf of kaje7777 <kevin.quiggle@...>
Sent: Thursday, April 23, 2020 4:00 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Jody - Regarding your question about stainless for your project: I have not had much experience working with stainless, but what little I have had has all been bad. This may say more about my fairly limited machining experience than anything else, but
I found work hardening to be a real problem.
Take a look at this chart for some idea of how easy it is to machine various metals: You might consider 1144 stressproof. You can look up various alloys on SpeedyMetals and get more information on typical uses. https://www.speedymetals.com/s-108-cold-finished.aspx |
Re: Making an ER40 Collet Chuck
1018 is mild steel. It won't heat-treat, though you can case-harden it. It's ok to machine, HSS ground for steel and honed sharp will get you a decent finish. It won't last as long as 4140, it won't machine as nicely as 12L14, but you can learn everything you need to make a better one next time, if you don't like how it comes out. A lot of the tooling made over the past hundred years or so has been made from metal not quite as good as 1018. HTH! Bill in OKC William R. Meyers, MSgt, USAF(Ret.) A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects. LAZARUS LONG (Robert A. Heinlein)
On Thursday, April 23, 2020, 07:18:56 PM CDT, Jody <jp4lsu@...> wrote:
So I went by the metal store by the house and picked up a 3" 1018 round bar drop off for a few bucks.? Very little round bar to choose from so I grabbed a piece of what they had since its only a few bucks. I believe I should be able to get this heat treated afterwards.? ?I'll have to see what sort of hardness it? an provide. I have no idea how this will machine.? I'll give it a spin. So what sort of hardness is needed for a? collet chuck. -Jody Sent via the Samsung Galaxy S10+, an AT&T 5G Evolution capable smartphone -------- Original message -------- From: Guenther Paul <paulguenter@...> Date: 4/23/20 4:00 PM (GMT-06:00) Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck A collet chuck needs a hardened surface where the collet"s contact the taper of the chuck. You can use a oil hardening steel or water hardening. Make sure you do it properly and watch the colors of the steel when you dunk it in. I can walk you thru the process but i need to know the type of steel GP
On Thursday, April 23, 2020, 4:38:15 PM EDT, Andrei <calciu1@...> wrote:
Oops. forgot about the collets being hardened and the cast iron, vastly less so. Thanks?GP
From: [email protected] <[email protected]> on behalf of Guenther Paul <paulguenter@...>
Sent: Thursday, April 23, 2020 4:34 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
A collet chuck needs to be made from tool steel not cast iron. The collet will dig in to the cast iron. Its a no no
GP
On Thursday, April 23, 2020, 4:16:05 PM EDT, Andrei <calciu1@...> wrote:
1 foot long piece of 4.25" cast iron is 106 bucks at mcmaster. yuo need this diameter to finish at 100mm for your chuck.
1144 is only available in 3" max diameter, so your options may be limited in using this.?
From: [email protected] <[email protected]> on behalf of Andrei <calciu1@...>
Sent: Thursday, April 23, 2020 4:07 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Cast iron is always a good (but messy) option. You can order a slice of various diameters from McMaster Carr. This is a company that never disappoints, until your check your bill
?. Their products are top notch, selections are wide and deep and they are delivered quickly. The prices match the quality of product and service. I have never hesitated buying from them.?
Best Regards,
Andrei D. Calciu 6371 Birch Leaf Court Burke, VA 22015-3528 USA ? 703-995-4822 (landline and Fax) 571-436-0169 (mobile) mailto:calciu1@... ? ? From: [email protected] <[email protected]> on behalf of kaje7777 <kevin.quiggle@...>
Sent: Thursday, April 23, 2020 4:00 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Jody - Regarding your question about stainless for your project: I have not had much experience working with stainless, but what little I have had has all been bad. This may say more about my fairly limited machining experience than anything else, but
I found work hardening to be a real problem.
Take a look at this chart for some idea of how easy it is to machine various metals: You might consider 1144 stressproof. You can look up various alloys on SpeedyMetals and get more information on typical uses. https://www.speedymetals.com/s-108-cold-finished.aspx |
Re: Making an ER40 Collet Chuck
¿ªÔÆÌåÓýSo I went by the metal store by the house and picked up a 3" 1018 round bar drop off for a few bucks.? Very little round bar to choose from so I grabbed a piece of what they had since its only a few bucks. I believe I should be able to get this heat treated afterwards.? ?I'll have to see what sort of hardness it? an provide. I have no idea how this will machine.? I'll give it a spin. So what sort of hardness is needed for a? collet chuck. -Jody Sent via the Samsung Galaxy S10+, an AT&T 5G Evolution capable smartphone -------- Original message -------- From: Guenther Paul <paulguenter@...> Date: 4/23/20 4:00 PM (GMT-06:00) Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck A collet chuck needs a hardened surface where the collet"s contact the taper of the chuck. You can use a oil hardening steel or water hardening. Make sure you do it properly and watch the colors of the steel when you dunk it in. I can walk you thru the process but i need to know the type of steel GP
On Thursday, April 23, 2020, 4:38:15 PM EDT, Andrei <calciu1@...> wrote:
Oops. forgot about the collets being hardened and the cast iron, vastly less so. Thanks?GP
From: [email protected] <[email protected]> on behalf of Guenther Paul <paulguenter@...>
Sent: Thursday, April 23, 2020 4:34 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
A collet chuck needs to be made from tool steel not cast iron. The collet will dig in to the cast iron. Its a no no
GP
On Thursday, April 23, 2020, 4:16:05 PM EDT, Andrei <calciu1@...> wrote:
1 foot long piece of 4.25" cast iron is 106 bucks at mcmaster. yuo need this diameter to finish at 100mm for your chuck.
1144 is only available in 3" max diameter, so your options may be limited in using this.?
From: [email protected] <[email protected]> on behalf of Andrei <calciu1@...>
Sent: Thursday, April 23, 2020 4:07 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Cast iron is always a good (but messy) option. You can order a slice of various diameters from McMaster Carr. This is a company that never disappoints, until your check your bill
?. Their products are top notch, selections are wide and deep and they are delivered quickly. The prices match the quality of product and service. I have never hesitated buying from them.?
Best Regards,
Andrei D. Calciu 6371 Birch Leaf Court Burke, VA 22015-3528 USA ? 703-995-4822 (landline and Fax) 571-436-0169 (mobile) mailto:calciu1@... ? ? From: [email protected] <[email protected]> on behalf of kaje7777 <kevin.quiggle@...>
Sent: Thursday, April 23, 2020 4:00 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Jody - Regarding your question about stainless for your project: I have not had much experience working with stainless, but what little I have had has all been bad. This may say more about my fairly limited machining experience than anything else, but
I found work hardening to be a real problem.
Take a look at this chart for some idea of how easy it is to machine various metals: You might consider 1144 stressproof. You can look up various alloys on SpeedyMetals and get more information on typical uses. https://www.speedymetals.com/s-108-cold-finished.aspx |
Re: Making an ER40 Collet Chuck
¿ªÔÆÌåÓýThanks GP,? Yes I bought the nut already.? That is the drawing I have from either you or Steve Haskill. -Jody Sent via the Samsung Galaxy S10+, an AT&T 5G Evolution capable smartphone -------- Original message -------- From: Guenther Paul <paulguenter@...> Date: 4/23/20 4:00 PM (GMT-06:00) Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck This is for the collet chuck maker. I would buy the front nut. GP
On Thursday, April 23, 2020, 4:38:15 PM EDT, Andrei <calciu1@...> wrote:
Oops. forgot about the collets being hardened and the cast iron, vastly less so. Thanks?GP
From: [email protected] <[email protected]> on behalf of Guenther Paul <paulguenter@...>
Sent: Thursday, April 23, 2020 4:34 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
A collet chuck needs to be made from tool steel not cast iron. The collet will dig in to the cast iron. Its a no no
GP
On Thursday, April 23, 2020, 4:16:05 PM EDT, Andrei <calciu1@...> wrote:
1 foot long piece of 4.25" cast iron is 106 bucks at mcmaster. yuo need this diameter to finish at 100mm for your chuck.
1144 is only available in 3" max diameter, so your options may be limited in using this.?
From: [email protected] <[email protected]> on behalf of Andrei <calciu1@...>
Sent: Thursday, April 23, 2020 4:07 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Cast iron is always a good (but messy) option. You can order a slice of various diameters from McMaster Carr. This is a company that never disappoints, until your check your bill
?. Their products are top notch, selections are wide and deep and they are delivered quickly. The prices match the quality of product and service. I have never hesitated buying from them.?
Best Regards,
Andrei D. Calciu 6371 Birch Leaf Court Burke, VA 22015-3528 USA ? 703-995-4822 (landline and Fax) 571-436-0169 (mobile) mailto:calciu1@... ? ? From: [email protected] <[email protected]> on behalf of kaje7777 <kevin.quiggle@...>
Sent: Thursday, April 23, 2020 4:00 PM To: [email protected] <[email protected]> Subject: Re: [atlas-craftsman IO] Making an ER40 Collet Chuck ?
Jody - Regarding your question about stainless for your project: I have not had much experience working with stainless, but what little I have had has all been bad. This may say more about my fairly limited machining experience than anything else, but
I found work hardening to be a real problem.
Take a look at this chart for some idea of how easy it is to machine various metals: You might consider 1144 stressproof. You can look up various alloys on SpeedyMetals and get more information on typical uses. https://www.speedymetals.com/s-108-cold-finished.aspx |
Re: Making an ER40 Collet Chuck
Jody, 12L14 is leaded, and can't be hardened. More or less. You can case harden it, but the metal under the case will remain relatively soft. Where using it is a benefit is in ease of machining. If you're not a professional machinist, you could use it, and it might last all your life and still be good for your heirs, 4140 is an ordinance steel, and it can be annealed or hard when you buy it. Hard is tougher to machine, but wouldn't need to be hardened after machining. Annealed you could get away without hardening, but if GP's offering to walk you through it, I'd take him up on the offer. You could use the heck out of it, AND hand it down in like-new condition. And learn some fun and useful stuff while you're making it. Bill in OKC William R. Meyers, MSgt, USAF(Ret.) A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects. LAZARUS LONG (Robert A. Heinlein) On Thursday, April 23, 2020, 04:00:19 PM CDT, Jody <jp4lsu@...> wrote: GP, What about 12L14 or 4140??? They are good carbon steels, but I'm not sure if they would be hard enough. -Jody On Thu, Apr 23, 2020 at 3:34 PM Guenther Paul <paulguenter@...> wrote:
|
Re: Making an ER40 Collet Chuck
On Thu, Apr 23, 2020 at 12:54 PM, William Nelson wrote:
I'm not getting why you would make a 2 piece chuck body with a adjust-tru feature. If it's one piece when it's mounted to your spindle and then the inside is machined to the collet taper it would seem that is the best it can get. There will be variables as the spindle is not adjusted properly or has some other deviation. The collets themselves will add a slight bit of run out but you can adjust for every collet you use. So a one piece body with careful machining and perhaps grinding seem to be the best you can get. Am I missing something?I agree.? The benefit of the set-tru feature is that it allows one to easily correct for inaccuracies introduced by the collet nut and also the collets themselves.? My set of 5C's vary +/- 0.0004", which is a lot if you're using the collet chuck for multiple operations.? The only downside for us hobbyists?with smaller lathes is the set-true feature moves you further away from the spindle nose. I suppose you could machine a backplate with enough slop to allow for adjustments, but you don't get the benefit of the four positioning screws which allow for easy, precise adjustments. Just one opinion, however. |
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