Shrapnel Shell Manufacture a Comprehensive Treatise On the Forging Machining
Shrapnel Shell Manufacture a Comprehensive Treatise On the Forging Machining
Douglas T Douglas Thomas Hamilton
The book Shrapnel Shell Manufacture a Comprehensive Treatise On the Forging Machining was written by author Douglas T Douglas Thomas Hamilton Here you can read free online of Shrapnel Shell Manufacture a Comprehensive Treatise On the Forging Machining book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Shrapnel Shell Manufacture a Comprehensive Treatise On the Forging Machining a good or bad book?
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15. In the first turret position, the operations con- 4TM OPERATION 3RD OPERATION 1ST OPERATION 2ND OPERATION Fig. 21. Second Series of Operations on "Frankford" Shell on Potter & Johnston Automatic Chucking and Turning Lathe sist in taking a straight cut across the diameter and facing off the end. The external turning tool A is of the relieving type, and B is a facing tool that works on the end. Both of these tools are supported and operated from the turret. A roll support, not shown, steadies... the work while tool A is 102 SHRAPNEL MANUFACTURE working. The turret now backs out, and a forming tool, held on the cross-slide, advances, cuts the rifling band and the semicircular grooves in the end of the shell, and at the same time chamfers the corner. Knurl D, held on the rear of the cross-slide, is then advanced. This knurls the bot- tom of the rifling band groove. By referring to Fig. 20, it will be seen that the grooves do not extend entirely across the face of the knurl, but instead two "knurl" ribs similar to a double thread are formed on the periphery.
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