Micro Lathe


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blarby
March 14, 2013, 03:15 AM
Could anyone recommend me a micro lathe and duplicator jig usable for small lots of lathe turned bullets ?


Thanks !

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kingmt
March 14, 2013, 08:22 AM
Never mind. It was a bad idea.

kingmt
March 15, 2013, 09:37 AM
No answer. Still watching.

jcwit
March 15, 2013, 12:00 PM
google is a wonderful tool/search engine

https://www.google.com/shopping/product/14977473664693987202?q=micro%20lathe&hl=en&rls=com.microsoft:en-us:IE-SearchBox&bav=on.2,or.r_cp.r_qf.&bvm=bv.43828540,d.aWc&biw=1366&bih=564&wrapid=tlif136336311269710&sa=X&ei=LEVDUaarLMnDyQH7_4GQCg&ved=0CGEQ8wIwAQ

rcmodel
March 15, 2013, 12:07 PM
I have a Harbor Freight mini-lathe and I like it a lot.
http://www.harborfreight.com/7-inch-x-10-inch-precision-mini-lathe-93212.html

Your problem is finding or making a 'duplicator jig' for one.

I don't know of anything like that.

Here is a lot of good info on micro-machines.
http://www.mini-lathe.com/

rc

Jesse Heywood
March 15, 2013, 01:24 PM
The only duplicators I know of are for wood lathes. Wouldn't be accurate enough for bullets.
http://www.grizzly.com/products/Copy-Attachment-for-G1495-G1067Z/G2891

lakecitybrass
March 15, 2013, 01:54 PM
If you really want to make bullets you might consider a Corbin bullet swager.

http://www.corbins.com/index.htm

kingmt
March 15, 2013, 03:04 PM
Glad I bumped this thread. I just bought the same one RC posted with a 20% of coupon. I think it cost me $15 to have it delivered. I got it Monday but haven't had a chance to plug it in yet.

Shadow 7D
March 15, 2013, 03:15 PM
CNC lathes could do it...
BUT the cost would be prohibitive
and they do have lathe turned bullets look at some of the .700 or .800 single shot
they use a copper turned bullet

blarby
March 15, 2013, 08:34 PM
King- if you are going the route I am thinking of, please PM me when you post the thread- this seems like an awesome project....

Plus, it saves me from havin to do it first. :P


Thanks for your help, RC !

kingmt
March 15, 2013, 09:15 PM
I'm not sure what your thinking but I've been wanting one for a long time. I've been bouncing back & forth on the mini or full size. I finally made the decision to just get both but I'm going to start with the mini till I learn how to use it.

The biggest thing that pushed me into it is I want to make a punch to swage bullets.

Kerf
March 16, 2013, 08:34 AM
Nosler used to make lathe turned bullets in .22 & 6mm. They were most accurate.

Most barrel makers use a tracing lathe to duplicate barrel contours; as I recall they look to be a fairly simple device. Don't see why that wouldn't work for bullets.

kerf

kingmt
March 16, 2013, 08:46 AM
Since it is just brass it would easy to make a jig to polish out the final product. It would be so slow tho.

kingmt
March 16, 2013, 04:52 PM
Why not just grind a cutting tool to the shape that you want the bullet to be.

Shape the bullet, polish, then cut to length. Now I really don't know what I'm talking about but the idea sounds good in my head. :)

kingmt
March 18, 2013, 08:54 AM
Another idea is to use a CNC conversion.

kingmt
April 20, 2013, 12:33 PM
Another idea: Take the lead screw out of your compound & build a jig with the bullet profile for it to ride against you could guide it by hand pressure.

maxyedor
April 20, 2013, 02:20 PM
Kingmt has the right idea assuming we're all talking about copper bullets. We've done lathe turned bullets for a friend of the shop in the past. We got a carbide cutter made on an EDM, it had the part-off built in so all you had to do is slowly run it straight in, bullet dropped and you clean up the ends, and advance the raw material to make another one.

The guy we made them for lost interest in real guns and now geeks out on air guns, so we only ever made 100ish, still have half the original stick of material, and I think i have the tool laying around somewhere too. With a little refinement I'm sure I could have gotten them perfected with just a bit more work.

blarby
April 20, 2013, 02:32 PM
Good info fellas !

Thanks.

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