This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1920 edition. Excerpt: ...incidental to the operations of manipulating the machine to set either the round-nose roughing tool or the square-nose finishing tool to depth and to start a cut on the outside diameter in the same plane, but removed in position from previous cuts. This necessitates lowering the turret head without changing ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1920 edition. Excerpt: ...incidental to the operations of manipulating the machine to set either the round-nose roughing tool or the square-nose finishing tool to depth and to start a cut on the outside diameter in the same plane, but removed in position from previous cuts. This necessitates lowering the turret head without changing the diameter of the tool setting and calls for elementary operations similar to those listed in Tables ijd-a and ijC-a. FIG. 50.--TURRET HEAD 1NG FOUR TOOLS HOLD TABLE 17F Manipulating Machine To Set Round-nose Roughing Tool For Depth And Start First Cut On Outside Diameter--Revolve Turret To Bring Tool To Position Gisholt Boring Mills 1. Loosen clamp, turn turret and tighten 2. Rapid travel head over from end of rail (from normal position) 3. Rapid travel head down 4. Start table 5. Set tool into work 6. ROUGH TURN for calipering (stop machine) 7. Caliper (1) 8. Start table Reset tool into work ROUGH TURN for calipering (stop machine) 11. Caliper (1) 12. Start table 13. Mesh feed gears 14. ROUGH TURN 15. Rapid travel head up 16. Rapid travel head back to end of rail, normal 9 10. Total time. length of run, H inch, t length of run. % inch. Refer to Note B under Tnble 17. Note: Turret tool post are not used on machines larger than 42-inch except in special cases. TABLE 17F-a Manipulate Machine To Set Round-nose Roughing Tool For Depth And Start Additional Cut On Outside Diameter (cutting Tool In Turret Head) Gisholt Boring Mills Refer To Table 17A TABLE I7F-b Manipulate Machine To Set Round-nose Roughing Tools For Depth And Start Additional Cut On Outside Diameter In The Same Plane (moving Head Down To Next Cut Without Changing The Diameter Setting) Gisholt Boring Mills Refer To Table 17A-a TABLE 17G Manipulate Machine To Set Round-nose...
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