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Recent content by 4GSR
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louge and shipley 16" lathe FDS and THDS
What model L & S lathe do you have? There's five different models they made over the years. If it is a Model X or a power turn, there is a manual on Vintage Machinery that may help you on setting the QC gear box to the correct thread pitch. Coming out of the gear box, you have to shift the... -
60 14" (16.5") taper attachments and steady rest
They are out rightest on their shipping charges! That would probably cost me 6K in shipping to get it to south Texas!- 4GSR
- Post #4
- Forum: Monarch Lathes
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bridge straight edge out of steel
Talking about chopping up a lathe bed or any other machine member into a straight edge. My dad made a straight edge about 18" long that was cut out of a machine member when I was in diapers. Later in life I got ahold of the straight edge and tried to scrape on it. Dad never did stress relieve... -
StanF South Bend 9A Rebuild Thread
What a nice find! And appears to be in very nice condition. I have a 14" Rockwell lathe that was pretty butchard up when I got it. Luckly the bed was in nice shape. I rebuilt most of the lathe and so far has turned into a nice lathe.- 4GSR
- Post #110
- Forum: South Bend Lathes
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OT Big brother is definitely watching
Put a piece of tape over that camera on your computer. Be amaze of the ads that show up related to things in the background! -
Tips for cutting API threads
Yeah, the driller got a little too agressive pushing the drill pipe.:eek: -
Need help with Bridgeport angle head id.
There's a good chance they mounted it on a non-bridgeport type of machine that had a different taper in the spindle. Did you by chance mic the id of the regester to make sure it is 3.375"? And didn't get re-bored for a different OD quill by chance? My Bridgeport RA head, I use it on my Index...- 4GSR
- Post #3
- Forum: Bridgeport / Hardinge and USA Light Iron
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Tips for cutting API threads
Rumer has it that some of the holes they drilled made a complete 180° turn, too! -
Chien Yeh lathes
"Warning: some - all? - of these CY lathes couldn't directly cut an 11.5 TPI thread for NPT 1-2"...but perhaps 2.25mm is close enough when we're talking a taper thread? I don't know as I've never investigated this with actual pressure testing (maybe someone can speak to this?). " Won't work... -
Tips for cutting API threads
Here's a couple of sources closer to your area that may be able to serve you better than the other source. https://www.reevesgaugeandtool.com/index.html Also these guys, https://www.swgage.com/ It's your call. I don't get involved with the tubular side of the industry. I deal with the stuff... -
Need Source for a piloted 7/16" Drill Bit
I think the hole is going to be a little squirrely and not straight when done. Heat shrink the liner in place. Then expect the bullet to shoot out straight and hit the target? -
Tips for cutting API threads
Before you buy from them, let me find the source for the other place I know of. They maybe a little cheaper. -
Tips for cutting API threads
Pm me and I'll fix you up with a more detailed drawing of the thread with dimensions that A.P.I. does not show you in 5B that may help you. I don't have any programming resources available to help you out. I know of one outfit that used to cut the 8 and 10 RD in four passes! Yikes! -
Tips for cutting API threads
"Does this profile have any nuances or is it about like ACME?" It is a full profile form thread. There cannot be any breakdown in the form. Yes, it does require a gage to get the proper stand off and be consistent with industry that cuts the threads. Yes, there are shops out there that will... -
bridge straight edge out of steel
There's also another source for continuous cast cast iron bar. It's called "Versa-Bar" I think that is correct. https://www.versa-bar.com/