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Making Lathe Turned Bullets

 
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  #15  
Old 12-21-2011, 10:20 PM
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Re: Making Lathe Turned Bullets

The ones I made were 95% copper and 5% zinc and they worked great.

Copper was to soft and fouled badly and brass was to hare and I had to machine bands
on them to get any accuracy.

The 95/5 bullets engraved well and did not foul any worse than jacketed bullets.

I ended up losing 1 in 7 because of dia. tolerance but they out shot anything I could find

The probablem was they were no good for hunting I could not produce a quality hollow
point for expansion and maintain the exact weight.

As stated factory Mono metal bullets range as much as 1 to 2 grains in weight and have to
be sorted by weight for consistant accuracy and it's hard to put together 20 of the same
weight from a box of 100.

IMO it is not cost effective because of the cost of a CNC machine (You can buy a lot of
bullets for that much money and any other way to make them is to time consuming.

J E CUSTOM
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  #16  
Old 12-22-2011, 02:01 AM
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Re: Making Lathe Turned Bullets

yes, its very expensive if you buy the CNC only for bullet making, but if you have any "lost" CNC time, its very easy just to have the program and make a few hundreds in the meantime.

as stated before, its just experimenting, for hunting I still preffera fistfull of brand new bullets.

one day my CNC bullets will be hunting.

JOE
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  #17  
Old 12-23-2011, 08:30 AM
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Re: Making Lathe Turned Bullets

Quote:
Originally Posted by JOSE A. MARINE View Post
yes, its very expensive if you buy the CNC only for bullet making, but if you have any "lost" CNC time, its very easy just to have the program and make a few hundreds in the meantime.

as stated before, its just experimenting, for hunting I still preffera fistfull of brand new bullets.

one day my CNC bullets will be hunting.

JOE
I hear you.

If I had a CNC machine It would not have any down time. Bullets would be a good fill for that
time.

Have you tried producing a hollow cavity to enhance the expansion ?

I made mine work (Expand)but the weight was just close enough for extreme distance accuracy.
I even made some solids with an Aluminum tip that looked great but were no better than
the 750 grain Amax, for the 50 cal (They weighed 690 grains and had the same exterior
dimensions as the Amax Increasing the BCs a little.

The solids out performed all other bullets, But I wanted a Mono Metal bullet for hunting.

I guess that was being greedy, I wanted accuracy and controled expansion consistency.

J E CUSTOM
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  #18  
Old 12-23-2011, 10:09 AM
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Re: Making Lathe Turned Bullets

Interesting thoughts on non productive time. Up here, we have considerable non-production time. I have to keep the dust off the Haas's.....

Aren't factory bullets swaged?

Maybe I'll program one machine to turn out bullets myself. Interesting scenario, though alloy rods are expensive in themselves.
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  #19  
Old 12-23-2011, 03:15 PM
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Re: Making Lathe Turned Bullets

Quote:
Originally Posted by SidecarFlip View Post
Interesting thoughts on non productive time. Up here, we have considerable non-production time. I have to keep the dust off the Haas's.....

Aren't factory bullets swaged?

Maybe I'll program one machine to turn out bullets myself. Interesting scenario, though alloy rods are expensive in themselves.

Yes. most factory bullets are swaged and that is where the chance of a slight variance comes
in even on the Mono Metal bullets.

When you Swage a soft material like lead or copper they will compress to a different density
if the hardness/anneal is not perfict for the process. And may have some spring back varying
the size. The Turned bullet minimizes this (The reason a machined bullet can be slightly more
accurate Under the right conditions.

The allow rods can be checked for uniform hardness before turning minimizing this problem.
And on a good CNC machine tolerances can be better.

J E CUSTOM
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  #20  
Old 12-23-2011, 03:35 PM
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Re: Making Lathe Turned Bullets

Anyone making them for a 375 with 1-11.5 twist or even a program for them and I would use the one at work.hahaha
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  #21  
Old 12-23-2011, 06:05 PM
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Re: Making Lathe Turned Bullets

Quote:
Originally Posted by SidecarFlip View Post
I have to keep the dust off the Haas's.....
.
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