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Thread: Info needed on rifling bits
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August 10th, 2010, 07:48 AM #11
Re: Info needed on rifling bits
Yep, pics or it didnt happen.
Im a 24yr Journeyman Toolmaker and can tell you your way over your head and fixin to get hurt or killed playing with barrel making.
Of you were making muzzle loaders Id say sure, have at it. Otherwise.
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August 10th, 2010, 07:02 PM #12
Re: Info needed on rifling bits
Thank you Tomcat, you’ve always been a trusted source of knowledge.
It’s a Southbend gun drilling lathe. Neat looking thing worthy of its own conversation. Yes the thing is big & heavy, the beam is roughly 8’(I never measured) The cradle (for lack of correct term) adds about another 4’ to 6’…so yeah overall its 18’ to 20’.
Oddly enough I have used it for making a driveshaft for my G-body Monte.(Ford 9”)
Originally Posted by P89
I’ll get pics of that lathe, people into things mechanical things will think it’s neat.
P8classicEMmove9
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August 10th, 2010, 09:54 PM #13Member
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Re: Info needed on rifling bits
Well,as I said,if it's only a gun drilling lathe,don't worry about your capability,the lathe can't do the job,either,LOL!!!
Hey guys..I have a 36X14 South Bend Heavy Lathe,real monster.Any of you guys have experience with a South Bend? My last Lathe was a Rockwell,it had a gearbox that could cut SAE or Metric threads by just pulling levers.The 'Bend was used in a Metric bike shop.[Supposedly,the former owner used to make axles and such for Indian Larry's Guzzi choppers..] The gearbox is set up for Metric threading.There are two gears on the bottom hooked to the gearbox,and a double gear between the drive gear and the gear on the shaft driving the outer gear.To make it SAE,do I just have to remove the outside gear on the center double gear,and reset the center gear so it drives the inner gear on the screw/gearbox? I have a few .22 barrels I need to thread,don't particularly want to use my little 7x14 I have on my bench,LOL!!!Last edited by ROBOWOP; August 10th, 2010 at 10:10 PM.
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August 15th, 2010, 10:54 AM #14
Re: Info needed on rifling bits
On most machines it is a simple gear swap to go from Met to standard.
Does it have the quick change box?
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August 15th, 2010, 11:28 AM #15Member
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Re: Info needed on rifling bits
Played with it already,threaded the barrel for this..[see the story in"gunsmithing"]
it has a quick change box,but it's only inch threads.For Metric,it has an extra gear set added to the drive gears,and a new chart for which positions to use on the box..Last edited by ROBOWOP; August 15th, 2010 at 11:30 AM.
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