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Author Topic: mould machining dimensions  (Read 571 times)

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Offline indydave

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mould machining dimensions
« on: March 29, 2008, 05:47:26 PM »
mould machining dimensions   ok what are final OD's for for a .452   .502  moulds  i have old blocks, a machinist buddy, and ideas   just no idea for the cold OD so its right when casting                               

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Offline torpedoman

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Re: mould machining dimensions
« Reply #1 on: March 30, 2008, 01:49:11 PM »
have someone do a cerrosafe casting of the molds you want to make the machinest will know how to calculate it from there
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Offline indydave

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Re: mould machining dimensions
« Reply #2 on: March 30, 2008, 05:11:17 PM »
his ? is of temp what dimesional changes are there @ casting temps     thats what he wants   we want a cooled diam of .503   and .452
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Offline Chris Potts

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Re: mould machining dimensions
« Reply #3 on: March 31, 2008, 02:22:08 PM »
I think what torpedoman is saying is that you could cast a test bullets out of cerrossfe to get the actual mold demensions.  The difference between the cerrosafe bullet and a lead bullet will give you the data that you need.

http://www.midwayusa.com/eproductpage.exe/showproduct?saleitemid=462291

Chris
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