Limy Sami
Diamond
- Joined
- Jan 7, 2007
- Location
- Norfolk, UK
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I like the part at the end where it is stated that if the machining tolerances are followed, the weight will not be correct. The weight is checked after all the machining is done. It is up to the shop to determine which tolerances to change to meet the weight requirement. Ooookkkay!!
Tom
I'm interested in the purpose of the spot welded plate at the bottom of the shell. A buffer to protect the body during propellant firing?
That had me puzzled as well.
That had me puzzled as well.
My take on the tolerances was if the shell was made in maximum (and presumably minimume) material condition as per tolerances the part would exceed the weight tolerance either too light or too heavy, thus the manufacturer must chose dimensional tolerances by whatever methods made sense given so the weight comes out in range.
Yeah, the welded steel plate was to ensure that the thin-walled, high explosive shell didn’t detonate prematurely on firing (due to any imperfections in the forging).
Section 6, Manufacturing of Metalic Components of Artillery Ammunition - Google Books
Section 6-51
Danke shon
You guys were in a hair breadth of that being your native language.
Tom
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