On 01/22/2019 06:14 PM, Don Newbold wrote: Jay,
How can one tell the bearing type without any disassembly?
Look at the pic Brokenwrench just sent. Note that the bearing caps have vertical bolts just either side of the oil cup. That is the cap of a sleeve bearing. If the part with the oil cup has no bolts and is just a smooth, continuous part of the casting, that is the place where a Timken outer race is seated. Also, how can one determine the machine's age or
production year?
Roughly by serial number, or some machines have a date scribed into the original Timken bearing races. These are likely the dates the bearings were received at the Atlas factory, not the date the lathe was assembled. We have a serial # to date database somewhere on this site, but not sure where it is since the move. Jon
|
`??? welcome . you should just devote yer time to the Craftsman &
Sears lathe & I'll be more than happy to get the Levin out of your way
to make more room in yer shop . I had a bud whose dad had a few lathes &
the Levin
??? ??? was the only one we couldn't touch!
??? ??? animal
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On 1/22/2019 8:34 AM, Don Newbold wrote: Hi,
I'm new to the group. I've done virtually no machining since high school
(over 40 years ago), but in the last year have acquired an Atlas 618, an
identical Sears lathe with the milling attachment and a Levin lathe. The
618 was working before disassembly for moving. The Sears hadn't seen use
in decades, though it still looks to be in good condition. I've got
manuals for both and numerous accessories. The Levin hadn't seen use in
some years and needs restoration. The Levin was bought by NASA in the
early 60's and was used to make parts that went to the moon. I'm a
software engineer by trade, but like projects at home.
That's it,
Don
|
if the? spindle bearings have caps it takes either babbit or bushings? if it is a one piece casting it is? timkens
Jay,
How can one tell the bearing type without any disassembly?
Also, how can one determine the machine's age or production year?
Thanks,
Don
On 1/22/2019 3:26 PM, Jay Greer wrote:
Welcome to our group Don!? You came to the right place.? Is your 618
equipped with roller bearings or babbet bearings?
The 618’s are good machines for light home work.? I rarely use the mill
attachment I have as it is only for very light work
and hard to view the cut when it is in use.
Fair Winds,
Jay Greer
On Jan 22, 2019, at 8:34 AM, Don Newbold <d.o.newbold@...
<mailto:d.o.newbold@...>> wrote:
Hi,
I'm new to the group. I've done virtually no machining since high school
(over 40 years ago), but in the last year have acquired an Atlas 618, an
identical Sears lathe with the milling attachment and a Levin lathe. The
618 was working before disassembly for moving. The Sears hadn't seen use
in decades, though it still looks to be in good condition. I've got
manuals for both and numerous accessories. The Levin hadn't seen use in
some years and needs restoration. The Levin was bought by NASA in the
early 60's and was used to make parts that went to the moon. I'm a
software engineer by trade, but like projects at home.
That's it,
Don
On 1/22/2019 5:17 AM, [email protected]
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Jay,
How can one tell the bearing type without any disassembly?
Also, how can one determine the machine's age or production year?
Thanks,
Don
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On 1/22/2019 3:26 PM, Jay Greer wrote: Welcome to our group Don! ?You came to the right place. ?Is your 618
equipped with roller bearings or babbet bearings?
The 618’s are good machines for light home work. ?I rarely use the mill
attachment I have as it is only for very light work
and hard to view the cut when it is in use.
Fair Winds,
Jay Greer
On Jan 22, 2019, at 8:34 AM, Don Newbold <d.o.newbold@...
<mailto:d.o.newbold@...>> wrote:
Hi,
I'm new to the group. I've done virtually no machining since high school
(over 40 years ago), but in the last year have acquired an Atlas 618, an
identical Sears lathe with the milling attachment and a Levin lathe. The
618 was working before disassembly for moving. The Sears hadn't seen use
in decades, though it still looks to be in good condition. I've got
manuals for both and numerous accessories. The Levin hadn't seen use in
some years and needs restoration. The Levin was bought by NASA in the
early 60's and was used to make parts that went to the moon. I'm a
software engineer by trade, but like projects at home.
That's it,
Don
On 1/22/2019 5:17 AM, [email protected]
<mailto:[email protected]> Group Moderators wrote:
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Don:
Welcome!? Glad to have you join us.
Do you have some photos of your machines to share?
Bill
On Tuesday, January 22, 2019, 12:50:07 PM PST, Don Newbold <d.o.newbold@...> wrote:
Hi,
I'm new to the group. I've done virtually no machining since high school
(over 40 years ago), but in the last year have acquired an Atlas 618, an
identical Sears lathe with the milling attachment and a Levin lathe. The
618 was working before disassembly for moving. The Sears hadn't seen use
in decades, though it still looks to be in good condition. I've got
manuals for both and numerous accessories. The Levin hadn't seen use in
some years and needs restoration. The Levin was bought by NASA in the
early 60's and was used to make parts that went to the moon. I'm a
software engineer by trade, but like projects at home.
That's it,
Don
|
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On Tue, Jan 22, 2019 at 5:25 PM brokenwrench1 . via Groups.Io <brokenwrench= [email protected]> wrote: sorry? but i had a very early 618 atlas lathe that had? shimmed? brass bearings? and a newer craftsman that had? the timken's. i took both apart and? readusted and cleaned them all the castings? were the same part numbers except the one with the part number of the headstock on the? bronze bushing one. i bought it for the huge amount of extra tooling and sold it to a starter generator rebuilder with the armature? tools and special chucks.
?here is what i had the SN dated it to approx 1939-1940? ?
On Tue, Jan 22, 2019 at 4:37 PM Robert Downs via Groups.Io <wa5cab= [email protected]> wrote: Jay, ? The rumor that early 618’s had sleeve bearing is Internet disinformation.? All 618’s (and 612’s) had the same Timken tapered roller bearings from first to last.? I think that the rumor got started by some people misnaming any 6 x 18 as a 618.? I have certainly seen quite a few people mis-identify a 101.07301 and call it a 618.? I have a copy of the first Atlas catalog that the 618 ever appeared in and although it has a strange looking countershaft that probably no one has ever seen, it has Timken spindle bearings. ? ? ? Welcome to our group Don!? You came to the right place.? Is your 618 equipped with roller bearings or babbet bearings? The 618’s are good machines for light home work.? I rarely use the mill attachment I have as it is only for very light work and hard to view the cut when it is in use. Jay Greer ? ?
? Hi,
I'm new to the group. I've done virtually no machining since high school
(over 40 years ago), but in the last year have acquired an Atlas 618, an
identical Sears lathe with the milling attachment and a Levin lathe. The
618 was working before disassembly for moving. The Sears hadn't seen use
in decades, though it still looks to be in good condition. I've got
manuals for both and numerous accessories. The Levin hadn't seen use in
some years and needs restoration. The Levin was bought by NASA in the
early 60's and was used to make parts that went to the moon. I'm a
software engineer by trade, but like projects at home.
That's it,
Don
On 1/22/2019 5:17 AM, [email protected] Group Moderators wrote: Hello,
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--
Robert Halbrook
|
sorry? but i had a very early 618 atlas lathe that had? shimmed? brass bearings? and a newer craftsman that had? the timken's. i took both apart and? readusted and cleaned them all the castings? were the same part numbers except the one with the part number of the headstock on the? bronze bushing one. i bought it for the huge amount of extra tooling and sold it to a starter generator rebuilder with the armature? tools and special chucks.
?here is what i had the SN dated it to approx 1939-1940? ?
On Tue, Jan 22, 2019 at 4:37 PM Robert Downs via Groups.Io <wa5cab= [email protected]> wrote: Jay, ? The rumor that early 618’s had sleeve bearing is Internet disinformation.? All 618’s (and 612’s) had the same Timken tapered roller bearings from first to last.? I think that the rumor got started by some people misnaming any 6 x 18 as a 618.? I have certainly seen quite a few people mis-identify a 101.07301 and call it a 618.? I have a copy of the first Atlas catalog that the 618 ever appeared in and although it has a strange looking countershaft that probably no one has ever seen, it has Timken spindle bearings. ? ? ? Welcome to our group Don!? You came to the right place.? Is your 618 equipped with roller bearings or babbet bearings? The 618’s are good machines for light home work.? I rarely use the mill attachment I have as it is only for very light work and hard to view the cut when it is in use. Jay Greer ? ?
? Hi,
I'm new to the group. I've done virtually no machining since high school
(over 40 years ago), but in the last year have acquired an Atlas 618, an
identical Sears lathe with the milling attachment and a Levin lathe. The
618 was working before disassembly for moving. The Sears hadn't seen use
in decades, though it still looks to be in good condition. I've got
manuals for both and numerous accessories. The Levin hadn't seen use in
some years and needs restoration. The Levin was bought by NASA in the
early 60's and was used to make parts that went to the moon. I'm a
software engineer by trade, but like projects at home.
That's it,
Don
On 1/22/2019 5:17 AM, [email protected] Group Moderators wrote: Hello,
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Jay, ? The rumor that early 618’s had sleeve bearing is Internet disinformation.? All 618’s (and 612’s) had the same Timken tapered roller bearings from first to last.? I think that the rumor got started by some people misnaming any 6 x 18 as a 618.? I have certainly seen quite a few people mis-identify a 101.07301 and call it a 618.? I have a copy of the first Atlas catalog that the 618 ever appeared in and although it has a strange looking countershaft that probably no one has ever seen, it has Timken spindle bearings. ? ?
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From: [email protected] [mailto:[email protected]] On Behalf Of Jay Greer
Sent: Tuesday, January 22, 2019 15:27
To: [email protected]
Subject: Re: [atlas-craftsman IO] Welcome to [email protected]? Welcome to our group Don! ?You came to the right place. ?Is your 618 equipped with roller bearings or babbet bearings? The 618’s are good machines for light home work. ?I rarely use the mill attachment I have as it is only for very light work and hard to view the cut when it is in use. Jay Greer ? ?
? Hi,
I'm new to the group. I've done virtually no machining since high school
(over 40 years ago), but in the last year have acquired an Atlas 618, an
identical Sears lathe with the milling attachment and a Levin lathe. The
618 was working before disassembly for moving. The Sears hadn't seen use
in decades, though it still looks to be in good condition. I've got
manuals for both and numerous accessories. The Levin hadn't seen use in
some years and needs restoration. The Levin was bought by NASA in the
early 60's and was used to make parts that went to the moon. I'm a
software engineer by trade, but like projects at home.
That's it,
Don
On 1/22/2019 5:17 AM, [email protected] Group Moderators wrote: Hello,
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Welcome to our group Don! ?You came to the right place. ?Is your 618 equipped with roller bearings or babbet bearings? The 618’s are good machines for light home work. ?I rarely use the mill attachment I have as it is only for very light work and hard to view the cut when it is in use.
Fair Winds,
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Hi, I'm new to the group. I've done virtually no machining since high school (over 40 years ago), but in the last year have acquired an Atlas 618, an identical Sears lathe with the milling attachment and a Levin lathe. The 618 was working before disassembly for moving. The Sears hadn't seen use in decades, though it still looks to be in good condition. I've got manuals for both and numerous accessories. The Levin hadn't seen use in some years and needs restoration. The Levin was bought by NASA in the early 60's and was used to make parts that went to the moon. I'm a software engineer by trade, but like projects at home. That's it, Don On 1/22/2019 5:17 AM, [email protected] Group Moderators wrote: Hello,
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Hi,
I'm new to the group. I've done virtually no machining since high school
(over 40 years ago), but in the last year have acquired an Atlas 618, an
identical Sears lathe with the milling attachment and a Levin lathe. The
618 was working before disassembly for moving. The Sears hadn't seen use
in decades, though it still looks to be in good condition. I've got
manuals for both and numerous accessories. The Levin hadn't seen use in
some years and needs restoration. The Levin was bought by NASA in the
early 60's and was used to make parts that went to the moon. I'm a
software engineer by trade, but like projects at home.
That's it,
Don
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Show quoted text
|
Thanks guys for the advice.? My screws are brass so should not mark the screw.
After doing some measuring last night on the compound, the dome bolt head holding the bearing end plate on, really limits the size of your thumb screw.
The thumb screw will roughly need to be .250 OD and .150 thick.
I'm almost out of brass stock, so I might just countersunk the holes in the end plate and put some countersunk socket head bolts in there.? Then use the thumb screw I have made already.? I will still probably need to turn the OD on the new thumbscrew down some from the 0.500 it is now.
I would like to make some bigger dials but don't have an indexer or number stamps.? I guess I could rig something on the lathe.? But for now I have other projects I'm ready to start instead. Thanks for the inputs, Jody
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-------- Original message -------- From: Guenther Paul <paulguenter@...> Date: 1/22/19 6:48 AM (GMT-06:00) To: [email protected] Subject: Re: [atlas-craftsman IO] Dial Thumb Screws When i installed my bigger dials I made my own thumb screws, i happen to have some stainless 3/8 dia. rod the screw i believe is 8/32 instead of knurling i used the tool bit and cut lines in the head of the screw. Don't forget to put a piece of brass under the screw used a bit of a? brazing rod for that
GP
On Tuesday, January 22, 2019, 7:07:21 AM EST, Leo Kuipers <leo.abo@...> wrote:
Hi Jodi,
This is my solution.
As "buffer" I use, between the spindle and the screw, a small piece of copper to prevent damage.
Best regards, Leo
Op ma 21 jan. 2019 om 14:20 schreef Jody < jp4lsu@...>: So I didn't adhere to the old adage of measure twice cut once.? Actually I didn't even measure in one instance.
I had some 1/2" bar left over from another project I did for a guy, which was some brass electrical connectors for a 1929 Chrysler.? Little bitty knit picky bits.
With extra brass, I decided i'm done with the little set screws on the dials and thought I'd make a thumb screw for the cross slide and compound.? I measured what a good size would be for the cross slide and made 2 of them.? I didn't even look and measure if it would work on the compound, since they are similar.
The cross slide screw came out great and when I put on the thumb screw on the compound the large OD thumb portion contacts the OEM fastener head that holds the end cap for the thrust bearing.? A sample pic is attached. It's not my part but it is the same screw driver head as mine.
I'm thinking? of a couple options.
1)? Trim the length of the thumb screw and maybe even the thickness of the thumb portion so that it will sit low enough to get by the raised screw head of the fastener holding the bearing end plate on the compound.?
2)? Take the bearing plate off and counterbore it so that the fastener head sits flush.? The chrome is gone, it is now powder coated.
I'm pretty sure #1 will work.? I need to get back out there and measure.? Thinking about this i may actually trim the length of the cross slide thumb screw to get it closer to the dial.? It sits proud a few threads.
Just curious what you guys thought or to see what you guys had or if you had another option.?
Thanks,
Jody
|
When i installed my bigger dials I made my own thumb screws, i happen to have some stainless 3/8 dia. rod the screw i believe is 8/32 instead of knurling i used the tool bit and cut lines in the head of the screw. Don't forget to put a piece of brass under the screw used a bit of a? brazing rod for that
GP
On Tuesday, January 22, 2019, 7:07:21 AM EST, Leo Kuipers <leo.abo@...> wrote:
Hi Jodi,
This is my solution.
As "buffer" I use, between the spindle and the screw, a small piece of copper to prevent damage.
Best regards, Leo
Op ma 21 jan. 2019 om 14:20 schreef Jody < jp4lsu@...>:
So I didn't adhere to the old adage of measure twice cut once.? Actually I didn't even measure in one instance.
I had some 1/2" bar left over from another project I did for a guy, which was some brass electrical connectors for a 1929 Chrysler.? Little bitty knit picky bits.
With extra brass, I decided i'm done with the little set screws on the dials and thought I'd make a thumb screw for the cross slide and compound.? I measured what a good size would be for the cross slide and made 2 of them.? I didn't even look and measure if it would work on the compound, since they are similar.
The cross slide screw came out great and when I put on the thumb screw on the compound the large OD thumb portion contacts the OEM fastener head that holds the end cap for the thrust bearing.? A sample pic is attached. It's not my part but it is the same screw driver head as mine.
I'm thinking? of a couple options.
1)? Trim the length of the thumb screw and maybe even the thickness of the thumb portion so that it will sit low enough to get by the raised screw head of the fastener holding the bearing end plate on the compound.?
2)? Take the bearing plate off and counterbore it so that the fastener head sits flush.? The chrome is gone, it is now powder coated.
I'm pretty sure #1 will work.? I need to get back out there and measure.? Thinking about this i may actually trim the length of the cross slide thumb screw to get it closer to the dial.? It sits proud a few threads.
Just curious what you guys thought or to see what you guys had or if you had another option.?
Thanks,
Jody
|
Hi Jodi,
This is my solution.
As "buffer" I use, between the spindle and the screw, a small piece of copper to prevent damage.
Best regards, Leo
Op ma 21 jan. 2019 om 14:20 schreef Jody < jp4lsu@...>:
So I didn't adhere to the old adage of measure twice cut once.? Actually I didn't even measure in one instance.
I had some 1/2" bar left over from another project I did for a guy, which was some brass electrical connectors for a 1929 Chrysler.? Little bitty knit picky bits.
With extra brass, I decided i'm done with the little set screws on the dials and thought I'd make a thumb screw for the cross slide and compound.? I measured what a good size would be for the cross slide and made 2 of them.? I didn't even look and measure if it would work on the compound, since they are similar.
The cross slide screw came out great and when I put on the thumb screw on the compound the large OD thumb portion contacts the OEM fastener head that holds the end cap for the thrust bearing.? A sample pic is attached. It's not my part but it is the same screw driver head as mine.
I'm thinking? of a couple options.
1)? Trim the length of the thumb screw and maybe even the thickness of the thumb portion so that it will sit low enough to get by the raised screw head of the fastener holding the bearing end plate on the compound.?
2)? Take the bearing plate off and counterbore it so that the fastener head sits flush.? The chrome is gone, it is now powder coated.
I'm pretty sure #1 will work.? I need to get back out there and measure.? Thinking about this i may actually trim the length of the cross slide thumb screw to get it closer to the dial.? It sits proud a few threads.
Just curious what you guys thought or to see what you guys had or if you had another option.?
Thanks,
Jody
|
Re: Little blast from the past
In similar vein . . .? Harland and Wolf . . . . Hull 317 was from the Oceanic :>) ? Won’t fit in my workshop for sure . . . . !
Enjoy your day , Carvel ? ? ? ?
? ? ?
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From: [email protected] [mailto:[email protected]] On Behalf Of mike allen
Sent: 22 January 2019 02:32 AM
To: [email protected]
Subject: Re: [atlas-craftsman IO] Little blast from the past? ??? ??? they say that the lathe is the only machine that can make it self . I live near a Western Pacific RR Museum that has the largest inventory of rolling stock ya can actually operate & drive a full size trail there. ??? ??? been thinking of joining the staff , but I need to finish some of my own projects first . I always wondered how they made that first leadscrew ??? ??? animal ? On 1/21/2019 4:27 PM, Dave Matticks wrote: Some of the old big stuff wouldn't be so easy to reproduce today. I've been to the Illinois railway museum,? I'm in the neighborhood. They have some very cool things that make you wonder how they did it at?the time! Sent from my T-Mobile 4G LTE Device -------- Original message -------- Date: 1/21/19 17:45 (GMT-06:00) Subject: Re: [atlas-craftsman IO] Little blast from the past ??? ??? Check out the photos on this site . I hope to visit this site someday they have self guided tours ??? ??? animal On 1/21/2019 3:40 PM, Dave Matticks wrote: Now that sounds like a good size lathe! Now I prefer smaller work.? I do pretty often start with a 75lb piece and when I'm done it's reduced to maybe 12lbs!? I'm happy to have a trainee at work? to empty the chip pan though! Sent from my T-Mobile 4G LTE Device -------- Original message -------- Date: 1/21/19 17:21 (GMT-06:00) Subject: Re: [atlas-craftsman IO] Little blast from the past That reminds me of the largest lathe I was ever allowed to push the START button on.? It was or had been a steam locomotive driver lathe.? I don’t recall for certain what the swing was.? But greater than 48”.? Alamo Ironworks in San Antonio had it.? My Father-In-Law ran their fleet maintenance department so I had seen it.? So during the run-up to building the Alyeska Pipeline, we had them machine some test defects into 48” OD X60 line pipe.? For some reason, I want to say that it was a 60x240.? I could just about stand up inside of the steady rest ? ? ? That was kind of a "medium" size boring bar. Don't remember the dimensions but probably 8" diameter, maybe 6 or 8 feet long with a #50 taper. Can you see a series of slots? They're for the cutting tools themselves, indexable carbide inserted, made them too. We made 3 or 4 different sizes, those would have been 1" x 4", some adjustable and some fixed. The large hinged part is a support for the cutter, clamps on the bar. That one might have been for a 30" diameter hole! Biggest one I ever made was 10" diameter x something over 200" long. Boring crankshaft journals for Electromotive. Feed the bar thru, get everything aligned then a guy would get inside to put the tools in the slots climb out and bore. Safety first! I guess. Glad I don't work on big stuff anymore. ? Dave ? On January 21, 2019 at 6:54 AM Jody <jp4lsu@...> wrote:
Nice pic.? What was that shaft for?
Were you measuring the OD or what?
"Inquiring minds want to know".
-Jody
|
Re: Little blast from the past
??? ??? they say that the lathe is the only machine that can make
it self . I live near a Western Pacific RR Museum that has the
largest inventory of rolling stock ya can
actually operate & drive a full size trail there.
??? ??? been thinking of joining the staff , but I need to finish
some of my own projects first . I always wondered how they made
that first leadscrew
??? ??? animal
On 1/21/2019 4:27 PM, Dave Matticks
wrote:
toggle quoted message
Show quoted text
That looks cool.
Some of the old big stuff
wouldn't be so easy to reproduce today.
I've been to the Illinois
railway museum,? I'm in the neighborhood. They have some very
cool things that make you wonder how they did it at?the time!
Dave Matticks?
Sent from my T-Mobile 4G LTE Device
-------- Original message --------
Date: 1/21/19 17:45 (GMT-06:00)
Subject: Re: [atlas-craftsman IO] Little blast from the
past
??? ??? Check out the photos on this site . I hope to visit
this site someday
they have self guided tours
??? ??? animal
On 1/21/2019 3:40 PM, Dave Matticks
wrote:
Now that sounds like a good
size lathe!
Now I prefer smaller work.?
I do pretty often start with a 75lb piece and when I'm done
it's reduced to maybe 12lbs!?
I'm happy to have a trainee at work? to empty the chip pan
though!
Dave Matticks?
Sent from my T-Mobile 4G LTE Device
-------- Original message --------
Date: 1/21/19 17:21 (GMT-06:00)
Subject: Re: [atlas-craftsman IO] Little blast from the
past
That reminds me of the
largest lathe I was ever allowed to push the START button
on.? It was or had been a steam locomotive driver lathe.?
I don’t recall for certain what the swing was.? But
greater than 48”.? Alamo Ironworks in San Antonio had it.?
My Father-In-Law ran their fleet maintenance department so
I had seen it.? So during the run-up to building the
Alyeska Pipeline, we had them machine some test defects
into 48” OD X60 line pipe.? For some reason, I want to say
that it was a 60x240.? I could just about stand up inside
of the steady rest
?
?
?
That was kind of a "medium" size boring bar. Don't remember
the dimensions but probably 8" diameter, maybe 6 or 8 feet
long with a #50 taper.
Can you see a series of slots? They're for the cutting
tools themselves, indexable carbide inserted, made them too.
We made 3 or 4 different sizes, those would have been 1" x
4", some adjustable and some fixed.
The large hinged part is a support for the cutter, clamps
on the bar. That one might have been for a 30" diameter
hole!
Biggest one I ever made was 10" diameter x something over
200" long. Boring crankshaft journals for Electromotive.
Feed the bar thru, get everything aligned then a guy would
get inside to put the tools in the slots climb out and bore.
Safety first! I guess.
Glad I don't work on big stuff anymore.
?
Dave
?
On January 21, 2019 at 6:54 AM Jody <jp4lsu@...>
wrote:
Nice pic.? What was that shaft for?
Were you measuring the OD or what?
"Inquiring minds want to know".
-Jody
|
Re: Little blast from the past
That looks cool. Some of the old big stuff wouldn't be so easy to reproduce today. I've been to the Illinois railway museum,? I'm in the neighborhood. They have some very cool things that make you wonder how they did it at?the time! Dave Matticks?
Sent from my T-Mobile 4G LTE Device
toggle quoted message
Show quoted text
-------- Original message -------- From: mike allen <animal@...> Date: 1/21/19 17:45 (GMT-06:00) Subject: Re: [atlas-craftsman IO] Little blast from the past
??? ??? Check out the photos on this site . I hope to visit this
site someday they have self guided
tours
??? ??? animal
On 1/21/2019 3:40 PM, Dave Matticks
wrote:
Now that sounds like a good
size lathe!
Now I prefer smaller work.?
I do pretty often start with a 75lb piece and when I'm done
it's reduced to maybe 12lbs!?
I'm happy to have a trainee at work? to empty the chip pan
though!
Dave Matticks?
Sent from my T-Mobile 4G LTE Device
-------- Original message --------
Date: 1/21/19 17:21 (GMT-06:00)
Subject: Re: [atlas-craftsman IO] Little blast from the
past
That reminds me of the
largest lathe I was ever allowed to push the START button
on.? It was or had been a steam locomotive driver lathe.? I
don’t recall for certain what the swing was.? But greater
than 48”.? Alamo Ironworks in San Antonio had it.? My
Father-In-Law ran their fleet maintenance department so I
had seen it.? So during the run-up to building the Alyeska
Pipeline, we had them machine some test defects into 48” OD
X60 line pipe.? For some reason, I want to say that it was a
60x240.? I could just about stand up inside of the steady
rest
?
?
?
That was kind of a "medium" size boring bar. Don't remember
the dimensions but probably 8" diameter, maybe 6 or 8 feet
long with a #50 taper.
Can you see a series of slots? They're for the cutting tools
themselves, indexable carbide inserted, made them too.
We made 3 or 4 different sizes, those would have been 1" x
4", some adjustable and some fixed.
The large hinged part is a support for the cutter, clamps on
the bar. That one might have been for a 30" diameter hole!
Biggest one I ever made was 10" diameter x something over
200" long. Boring crankshaft journals for Electromotive.
Feed the bar thru, get everything aligned then a guy would
get inside to put the tools in the slots climb out and bore.
Safety first! I guess.
Glad I don't work on big stuff anymore.
?
Dave
?
On January 21, 2019 at 6:54 AM Jody
<jp4lsu@...> wrote:
Nice pic.? What was that shaft for?
Were you measuring the OD or what?
"Inquiring minds want to know".
-Jody
|
Re: Little blast from the past
??? ??? Check out the photos on this site . I hope to visit this
site someday they have self guided
tours
??? ??? animal
On 1/21/2019 3:40 PM, Dave Matticks
wrote:
toggle quoted message
Show quoted text
Now that sounds like a good
size lathe!
Now I prefer smaller work.?
I do pretty often start with a 75lb piece and when I'm done
it's reduced to maybe 12lbs!?
I'm happy to have a trainee at work? to empty the chip pan
though!
Dave Matticks?
Sent from my T-Mobile 4G LTE Device
-------- Original message --------
Date: 1/21/19 17:21 (GMT-06:00)
Subject: Re: [atlas-craftsman IO] Little blast from the
past
That reminds me of the
largest lathe I was ever allowed to push the START button
on.? It was or had been a steam locomotive driver lathe.? I
don’t recall for certain what the swing was.? But greater
than 48”.? Alamo Ironworks in San Antonio had it.? My
Father-In-Law ran their fleet maintenance department so I
had seen it.? So during the run-up to building the Alyeska
Pipeline, we had them machine some test defects into 48” OD
X60 line pipe.? For some reason, I want to say that it was a
60x240.? I could just about stand up inside of the steady
rest
?
?
?
That was kind of a "medium" size boring bar. Don't remember
the dimensions but probably 8" diameter, maybe 6 or 8 feet
long with a #50 taper.
Can you see a series of slots? They're for the cutting tools
themselves, indexable carbide inserted, made them too.
We made 3 or 4 different sizes, those would have been 1" x
4", some adjustable and some fixed.
The large hinged part is a support for the cutter, clamps on
the bar. That one might have been for a 30" diameter hole!
Biggest one I ever made was 10" diameter x something over
200" long. Boring crankshaft journals for Electromotive.
Feed the bar thru, get everything aligned then a guy would
get inside to put the tools in the slots climb out and bore.
Safety first! I guess.
Glad I don't work on big stuff anymore.
?
Dave
?
On January 21, 2019 at 6:54 AM Jody
<jp4lsu@...> wrote:
Nice pic.? What was that shaft for?
Were you measuring the OD or what?
"Inquiring minds want to know".
-Jody
|
Re: Little blast from the past
Now that sounds like a good size lathe!
Now I prefer smaller work.?
I do pretty often start with a 75lb piece and when I'm done it's reduced to maybe 12lbs!? I'm happy to have a trainee at work? to empty the chip pan though!
Dave Matticks?
Sent from my T-Mobile 4G LTE Device
toggle quoted message
Show quoted text
-------- Original message -------- From: "Robert Downs via Groups.Io" <wa5cab@...> Date: 1/21/19 17:21 (GMT-06:00) Subject: Re: [atlas-craftsman IO] Little blast from the past
That reminds me of the largest lathe I was ever allowed to push the START button on.? It was or had been a steam locomotive driver lathe.? I don’t recall for certain what the swing was.? But greater than 48”.? Alamo Ironworks in San Antonio had it.? My Father-In-Law ran their fleet maintenance department so I had seen it.? So during the run-up to building the Alyeska Pipeline, we had them machine some test defects into 48” OD X60 line pipe.? For some reason, I want to say that it was a 60x240.? I could just about stand up inside of the steady rest ? ? ? That was kind of a "medium" size boring bar. Don't remember the dimensions but probably 8" diameter, maybe 6 or 8 feet long with a #50 taper. Can you see a series of slots? They're for the cutting tools themselves, indexable carbide inserted, made them too. We made 3 or 4 different sizes, those would have been 1" x 4", some adjustable and some fixed. The large hinged part is a support for the cutter, clamps on the bar. That one might have been for a 30" diameter hole! Biggest one I ever made was 10" diameter x something over 200" long. Boring crankshaft journals for Electromotive. Feed the bar thru, get everything aligned then a guy would get inside to put the tools in the slots climb out and bore. Safety first! I guess. Glad I don't work on big stuff anymore. ? Dave ? On January 21, 2019 at 6:54 AM Jody <jp4lsu@...> wrote:
Nice pic.? What was that shaft for?
Were you measuring the OD or what?
"Inquiring minds want to know".
-Jody
|
Re: Little blast from the past
That reminds me of the largest lathe I was ever allowed to push the START button on.? It was or had been a steam locomotive driver lathe.? I don’t recall for certain what the swing was.? But greater than 48”.? Alamo Ironworks in San Antonio had it.? My Father-In-Law ran their fleet maintenance department so I had seen it.? So during the run-up to building the Alyeska Pipeline, we had them machine some test defects into 48” OD X60 line pipe.? For some reason, I want to say that it was a 60x240.? I could just about stand up inside of the steady rest ? ?
toggle quoted message
Show quoted text
From: [email protected] [mailto:[email protected]] On Behalf Of Dave Matticks
Sent: Monday, January 21, 2019 16:18
To: [email protected]
Subject: Re: [atlas-craftsman IO] Little blast from the past? That was kind of a "medium" size boring bar. Don't remember the dimensions but probably 8" diameter, maybe 6 or 8 feet long with a #50 taper. Can you see a series of slots? They're for the cutting tools themselves, indexable carbide inserted, made them too. We made 3 or 4 different sizes, those would have been 1" x 4", some adjustable and some fixed. The large hinged part is a support for the cutter, clamps on the bar. That one might have been for a 30" diameter hole! Biggest one I ever made was 10" diameter x something over 200" long. Boring crankshaft journals for Electromotive. Feed the bar thru, get everything aligned then a guy would get inside to put the tools in the slots climb out and bore. Safety first! I guess. Glad I don't work on big stuff anymore. ? Dave ? On January 21, 2019 at 6:54 AM Jody <jp4lsu@...> wrote:
Nice pic.? What was that shaft for?
Were you measuring the OD or what?
"Inquiring minds want to know".
-Jody
|
Re: Little blast from the past
That was kind of a "medium" size boring bar. Don't remember the dimensions but probably 8" diameter, maybe 6 or 8 feet long with a #50 taper. Can you see a series of slots? They're for the cutting tools themselves, indexable carbide inserted, made them too. We made 3 or 4 different sizes, those would have been 1" x 4", some adjustable and some fixed. The large hinged part is a support for the cutter, clamps on the bar. That one might have been for a 30" diameter hole! Biggest one I ever made was 10" diameter x something over 200" long. Boring crankshaft journals for Electromotive. Feed the bar thru, get everything aligned then a guy would get inside to put the tools in the slots climb out and bore. Safety first! I guess. Glad I don't work on big stuff anymore.
Dave
toggle quoted message
Show quoted text
On January 21, 2019 at 6:54 AM Jody <jp4lsu@...> wrote:
Nice pic.? What was that shaft for?
Were you measuring the OD or what?
"Inquiring minds want to know".
-Jody
|
Bill Buckalew