Packing A Ball Screw Nut
I have a Thompson 8105-448-014 ball screw and nut. It feels loose and Thompson rates its repeatability (back lash) as .005. I would like to tighten it up with new balls. No problem getting the balls...
View ArticleDon’t Blame The Japanese: The Rise And Fall Of Burgmaster
Was searching for data on Burgmaster DPs. Found this 1987 document. Interesting history and perspective on the fall of manual machines. Here is the link:...
View ArticleThreading A 10/22 Barrel
So I am making some upgrades to my mini lathe. I want to try and thread my 10/22 barrel, after I practice a bit more. I know I need to align the barrel in the chuck by referencing the bore with an...
View ArticleMachinist Level???
My lathe is finished and working to my satisfaction. I will now clean and paint the cabinet and move it to its permanent spot. When that happens I'll need a machinist level. I've got sticker shock from...
View ArticlePotd - Project Of The Day- What Did You Do In Your Shop Today?
This is a new thread that I am starting. As the good weather of Spring and Summer rolls around, many of us will go back to the shop to do something. We want to know what you did in your shop today. No...
View ArticleAn Aussie With Questions About Pm Lathes And Machinery
Hi, I see this brand Precision Mathhews, mentioned from time to time on metal working forums. The brand is not one encountered in my country, Australia. I have been to the PM site and had a look and...
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Warco Wm14 Thread
Hi all I decided to cnc my warco wm14 mill and went from no cnc knowledge to having a pretty good understanding, all from this forum and your cnc builds! This is still in progress and I'm just waiting...
View ArticleStandard Vs Fine Pole Permanent Mag Chuck
I have been researching a mag chuck for my grinder. I get that fine pole chucks are better for small or thin parts, the info I have not been to find is what is considered a "small part" that would make...
View ArticleFive Cylinder Radial With Ohc
The next project is beginning to take shape after doodling for hours on paper and computer I have come up with this offering. Five cylinders-- 25mm bore X 28mm stroke. with overhead camshafts. Capable...
View ArticleGovernmental Solipsism
The ongoing quest for disability benefits continues. I got turned down down on the first try...was expecting it...said I was not screwed up enough...but the same day that letter hit the mailbox there...
View ArticleBozos And Horror Stories
I'm curious to hear about others' shop horror stories. Not your own errors necessarily, but what you've seen done that left you speechless. Poor business practices as well, but in particular I'm...
View ArticleMounting Multiple Wheels??
I have a Covel Type 6 universal grinder. No fixtures other than a magnetic chuck. It came with a box of grinding wheels labeled "Carborundum Company Toolroom Sample Pack", with a broad range of wheels...
View ArticleNeed Help With Coaxial Indicator
I'm doing something wrong with my coaxial indicator. Instructions say "Adjusting rocker friction joint to make feeler contacting work piece". I assume that is the little phillips screw w/nut on the...
View ArticleWhat Are These
Im thinking some sort of a wrist pin. Internally threaded on one end. Came in a box with a bunch of machinist tools. There are all different lengths and diameters. View attachment 128575 View...
View ArticleWhat Lathes Are Available From Pm?
I'm looking for a lathe, something like a 10x30. I see other sizes of PM lathes listed, but some of them I cant see on their website. Also, I ran across a second PM website. I am assuming it is an...
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Chance to buy a South Bend Lathe
Have a chance, although times running out, to purchase a heavy 10 like the one shown in the picture. Found this picture on the web. Appears to be the same model, but the one I am looking at is much...
View ArticlePm-1340gt Vs Pm-1440gt
I have been researching my first, possibly last, lathe purchase for a couple of months. I thought I had settled on a 1340GT and contacted Matt @ QMT last week. It was a fantastic pre-sales experience...
View ArticlePm1236 Dro Size Question
I'm looking into an (ebay) DRO kit for a PM1236 I ordered. The ebay seller lists sizes ranging from 50-1000mm, in 50mm incriments. I read that a guy used 220 & 920 on his lathe, but what size...
View ArticleTurning Question
I am making a post for my vice. I have a 8" diameter pipe 48" long. I thought I would clean it up on the lathe to get rid of the rust and scale. I welded a piece of flat stock on one end for the live...
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