Download e-book for kindle: US Rifles Mashin Guns by Fred H. Colven Ethan Viall

By Fred H. Colven Ethan Viall

A detailedaccount of the tools utilized in production the Springfield, 1903 version provider Rifle; additionally descriptions of the transformed Enfild Rifle and 3 forms of mashin weapons.

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Extra info for US Rifles Mashin Guns

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Fig. 199. Tool-Holding Devices Taper shank. Cutting Tools One A -in. slitting cutter; one side and bottom mill, high-speed steel, Fig. 201. m. ; hand feed. Coolant — Compound;—two *4-in. Average Life of Tool Between Grindings About 150 200 pieces. Gages Fig. 202, also used in operation 20. Production 50 per hr. streams. to — — A' & as? —S Spline FIG. £mSet FIG. 209 208 OPERATION 16 Drill jigs of marked simplicity characterize many of the operations on the fixed base and also on the receiver. For example, the two jigs used in drilling the longi- It will be noted by inspection of some of the milling miller operations that the full cutting capacity of the on most to be seen fixtures are is utilized.

Number of Machines per Operator 12. Work-Holding Devices Work held in fixture by strap and clamp. Figs. 116 and 117. Tool-Holding Devices Tool held in carriage of drill by setscrew. 643-in. drill, high-speed steel. Fig. 118. Number of Cuts One. ; feed, ft in. Coolant Cutting oil. Average Life of Tool Between Grindings 15 to 20 pieces. Gages Fig. 119. Production 3 pieces per hr. 537-\ — — — — machine. — Transformation— Fig. 120. Machine Used Pratt & Whitney Lincoln type miller, belt driven. Number of Operators per Machine One.

Oil, Triumph cutting Gages Fig. 74. — 70 the outer end is of smoked glass, having fine rings scraped on it revolving the barrel by hand on the hollow centers shows whether the light rings are concentric or eccentric if eccentric they are straightened by placing barrel across the babbitt block on top of the stands shown at B and striking with the copper hammer C the operator stands at D, and the barrels to be tested are in the rack at E. Apparatus and Equipment Used—Testing centers as described above, straightening blocks and copper hammer.

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US Rifles Mashin Guns by Fred H. Colven Ethan Viall

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