that's why folks are makin luber's that are automatic .
animal
On 6/9/24 8:20 AM, davesmith1800 wrote:
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The manufacturers found biggest wear to bed ways on lathes and
Mills.? ?Is no lubrication.?
The manufacturers have putting automatic pumping oil but still the
machinist can not fill the the oil tank or even look the oil
gauge.?
Dave?
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I suspect that in the mini-lathe world, most get relatively light and intermittent use.? So low, that you probably couldn't wear the ways all that much during a lifetime oiled or not.? The greater risk is likely rust in the amateur machining world.
However, being really careless, like getting a lot of grinding dust all over everything, might certainly speed up wear.? But even then, I doubt if most would live long enough to see a problem.
In a professional environment with larger machines and near constant use, they are typically taken care of daily and "way oil" is used to protect ways and similar sliding surfaces. Way oil is special because it has a "tackifier" that helps it stay put (doesn't run off), even on vertical surfaces (rather handy for milling machines) and provides good lubrication to lower friction.? But for the mini-lathe, probably most any oil will do with the important thing being that at least something is put on the bare metal ways and other surfaces.
But if you want to use actual "way oil", you can get a small 12 oz. bottle from Grizzly that will probably last you a lifetime.
Charles E. "Chuck" Kinzer
On Sunday, June 9, 2024 at 08:20:47 AM PDT, davesmith1800 <davesmith1@...> wrote:
The manufacturers found biggest wear to bed ways on lathes and Mills.? ?Is no lubrication.?
The manufacturers have putting automatic pumping oil but still the machinist can not fill the the oil tank or even look the oil gauge.?
Dave?
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The manufacturers found biggest wear to bed ways on lathes and Mills.? ?Is no lubrication.?
The manufacturers have putting automatic pumping oil but still the machinist can not fill the the oil tank or even look the oil gauge.?
Dave?
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I agree ??
Dave?
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On Sat, Jun 8, 2024 at 08:16 PM, Miket_NYC wrote:
Yes. Polish is abrasive and you don't want any getting on the ways.
Cover the ways, no matter what temperature
On Thu, Jun 6, 2024 at 2:09?PM davesmith1800 via <davesmith1= [email protected]> wrote:
[Edited Message Follows]
[Reason: Typ o and add for get me nots sorry]
My ok to polish the knives today as long not over 10 minutes. It also 98° in hobby shop at 10:30 today.
This what used to polish the knives.
Hope you put other uses for your mini lathe here for all to see.
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Still could not turn the plexiglass rod it take to long in 108° F day.?
Dave
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Yes. Polish is abrasive and you don't want any getting on the ways.
Cover the ways, no matter what temperature
On Thu, Jun 6, 2024 at 2:09?PM davesmith1800 via <davesmith1= [email protected]> wrote: [Edited Message Follows]
[Reason: Typ o and add for get me nots sorry]
My ok to polish the knives today as long not over 10 minutes. It also 98° in hobby shop at 10:30 today.
This what used to polish the knives.
Hope you put other uses for your mini lathe here for all to see.
Still could not turn the plexiglass rod it take to long in 108° F day.?
Dave
Attachments:
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Cover the ways, no matter what temperature
On Thu, Jun 6, 2024 at 2:09?PM davesmith1800 via <davesmith1= [email protected]> wrote: [Edited Message Follows]
[Reason: Typ o and add for get me nots sorry]
My ok to polish the knives today as long not over 10 minutes. It also 98° in hobby shop at 10:30 today.
This what used to polish the knives.
Hope you put other uses for your mini lathe here for all to see.
Still could not turn the plexiglass rod it take to long in 108° F day.?
Dave
Attachments:
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My ok to polish the knives today as long not over 10 minutes. It also 98° in hobby shop at 10:30 today. This what used to polish the knives. Hope you put other uses for your mini lathe here for all to see.
 Still could not turn the plexiglass rod it take to long in 108° F day.? Dave
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I know? 7" and 8" mini lathes have seen? spindle hole just over ?" . I can even find larger
Do some mini lathes have smaller spindle hole?
Dave?
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On Wed, Jun 5, 2024 at 08:17 AM, MikeK wrote:
By the way, I calculated that boring the spindle to 13/16" reduces the MT3 contact from 3" to 2.5", if that should matter to anyone.? Though I don't suspect many people use the spindle taper for much.? I rarely used my MT3 collets because most of them would get stuck and even using them required removing the motor cover to get the carriage in position.
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By the way, I calculated that boring the spindle to 13/16" reduces the MT3 contact from 3" to 2.5", if that should matter to anyone.? Though I don't suspect many people use the spindle taper for much.? I rarely used my MT3 collets because most of them would get stuck and even using them required removing the motor cover to get the carriage in position.
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That is a small hole. I can see why you want a bigger hole.? The on the chart for a 3" is only 0.63"? I just a 5" 4 jaw on my lathe it set up for a 4" chuck.? Need backing plate purchased? one from little machine shop.com I purchased the from Amazon.??  Dave?
On Sat, Jun 1, 2024 at 03:40 PM, MikeK wrote:
I seem to remember some years ago someone had increased the through-bore of the standard 3" 3-jaw chuck, but I can't remember where and didn't find anything in my search.? It may have been toolsandmods.com, but that site appears to be defunct now.
I was using the lathe last night and the 5/8" bar stock I was using had trouble sliding through the chuck bore.? It was really tight.? How big can you go without causing issues?? I know the screws holding the back cover on are already close to the bore.
Mike
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Sounds great.
Most almost same model of chuck 3 or 4 inch?
I will miss fun 4 jaw chuck and bars. It more taking on off chucks it time to do right.?
Dave?
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On Sun, Jun 2, 2024 at 04:51 PM, Roy wrote:
The bending force is only applied to the distance between the chuck & adjacent bearing - the spindle between the bearings is not subjected to it. Opening the spindle & chuck bore to 13/16" works fine, I did mine years ago, before the LMS loaner reamers disappeared.
Roy
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True.? People have pushed the 7x lathe quite far.? Consider that the Grizzly and PM 10x22/30 lathes have only a 1" spindle bore.? And I definitely want one of those as well.
Mike
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The bending force is only applied to the distance between the chuck & adjacent bearing - the spindle between the bearings is not subjected to it. Opening the spindle & chuck bore to 13/16" works fine, I did mine years ago, before the LMS loaner reamers disappeared.
Roy
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You use 4jaw chuck? I have 5" [125mm] has good size hole. It has 1?" 30mm size 
On Sat, Jun 1, 2024 at 03:40 PM, MikeK wrote:
I seem to remember some years ago someone had increased the through-bore of the standard 3" 3-jaw chuck, but I can't remember where and didn't find anything in my search.? It may have been toolsandmods.com, but that site appears to be defunct now.
I was using the lathe last night and the 5/8" bar stock I was using had trouble sliding through the chuck bore.? It was really tight.? How big can you go without causing issues?? I know the screws holding the back cover on are already close to the bore.
Mike
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You can but Hou have take chuck apart and find out how mush
Dave?
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On Sat, Jun 1, 2024 at 03:40 PM, MikeK wrote:
I seem to remember some years ago someone had increased the through-bore of the standard 3" 3-jaw chuck, but I can't remember where and didn't find anything in my search.? It may have been toolsandmods.com, but that site appears to be defunct now.
I was using the lathe last night and the 5/8" bar stock I was using had trouble sliding through the chuck bore.? It was really tight.? How big can you go without causing issues?? I know the screws holding the back cover on are already close to the bore.
Mike
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No, I fully understood what you were asking. I mentioned it as an aside. My apologies. Should have been more clear about that.
On Sat, Jun 1, 2024 at 10:16 PM, MikeK via groups.io <upand_at_them@...> wrote: I never said that I wanted to bore the spindle.? Someone had misread or misunderstood my post.? My question, same as the thread title, was about the 3-jaw chuck.? If I can bore to 3/4" I'll be tickled some shade of light red.
Mike
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I never said that I wanted to bore the spindle.? Someone had misread or misunderstood my post.? My question, same as the thread title, was about the 3-jaw chuck.? If I can bore to 3/4" I'll be tickled some shade of light red.
Mike
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hi I took mine out to just shy of the screw threads . Pete
I seem to remember some years ago someone had increased the through-bore of the standard 3" 3-jaw chuck, but I can't remember where and didn't find anything in my search.? It may have been toolsandmods.com, but that site appears to be defunct now.
I was using the lathe last night and the 5/8" bar stock I was using had trouble sliding through the chuck bore.? It was really tight.? How big can you go without causing issues?? I know the screws holding the back cover on are already close to the bore.
Mike
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Re: Project New type of material
It could take longer with heat wave.
My wife and Doctors do not want meb work heat.?
Whe new lathe last November I wanted to know from Doctor what diet I should to live 20 or 30 years longer. Thinking it was going to green flufy with a drill flavor shake with hit of mint.?
So ask the question.?
How long can live with stage 4 cancer.?
Thd doctor replied?
No one makes pass 10 years.
It took me a few seconds to respond with.
I was diagnosed with stage 4 in 2009.?
The doctor respond with
I know.
At that point I realized the Green Fluffy Deit did not work.
I check with other doctors and Americans Cancer they said about same thing.?
So now everyone think I going to brake.?
So that is why it taking so long to work with my new lathe
Dave?
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What is 13//16? ?I’d guess about 20mm? ? Seems a lot of work for marginal gain. ? Then there are others who complain the mini-lathe is not very stiff. ?It would seem that boring the spindle even a little would not improve the stiffness. ? ?And YES it matters. ?All the cutting force that bends the frame and the bed is transmitted through the spindle.
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On Jun 1, 2024, at 4:12?PM, Doug Pfaff via groups.io <justicekrieger@...> wrote:
Should be able to go out to say 13/16" with a boring bar. Owner of Little Machine Shop used to loan out a 13/16" reamer to ream the spindle bore.
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davesmith1800