Machine Tools and Workshop Practice for Engineering Students and ApprenticesLongmans, Green, and Company, 1905 - 444 страници |
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Страница xx
... tooth rest 218.- 220. - Duplex grinder 219. - Sharpening reamer . 220A . - Tool rest enlarged 221. Grinding twist drill 222. - Method of fixing drill 223. — Grinding twist drill 224. — Lang's grinding machine 225. Sharpening reamer 226 ...
... tooth rest 218.- 220. - Duplex grinder 219. - Sharpening reamer . 220A . - Tool rest enlarged 221. Grinding twist drill 222. - Method of fixing drill 223. — Grinding twist drill 224. — Lang's grinding machine 225. Sharpening reamer 226 ...
Страница xxiv
... . - Silent chain - tooth form 430 460. - New wheel and chain . 430 461. - Worn and lengthened chain 431 462. - Driving a counter shaft 431 MACHINE TOOLS AND WORKSHOP PRACTICE CHAPTER I. MEASUREMENT . THE xxiv LIST OF ILLUSTRATIONS .
... . - Silent chain - tooth form 430 460. - New wheel and chain . 430 461. - Worn and lengthened chain 431 462. - Driving a counter shaft 431 MACHINE TOOLS AND WORKSHOP PRACTICE CHAPTER I. MEASUREMENT . THE xxiv LIST OF ILLUSTRATIONS .
Страница 34
... tooth - wheel is CORE BOX . FIG . 46A . of iron ( machine cut ) , therefore turned and bored truly , and the stem and flanges are of wood . A core box is also required similar to Fig . 46A , and made to the dimensions shown . Now , the ...
... tooth - wheel is CORE BOX . FIG . 46A . of iron ( machine cut ) , therefore turned and bored truly , and the stem and flanges are of wood . A core box is also required similar to Fig . 46A , and made to the dimensions shown . Now , the ...
Страница 35
... tooth ; then , by rotating the saddle screw and withdrawing the scriber , the lathe may be now revolved for a portion , and the scriber again inserted ; this pro- cess , repeated five or six times in the revolution , will easily ...
... tooth ; then , by rotating the saddle screw and withdrawing the scriber , the lathe may be now revolved for a portion , and the scriber again inserted ; this pro- cess , repeated five or six times in the revolution , will easily ...
Страница 88
... tooth is obtained . The chasers are milled so as to be interchangeable . Grinding . When in use the faces of the chaser teeth are ground frequently to maintain the correct degree of rake and a keen cutting edge . This form of chaser is ...
... tooth is obtained . The chasers are milled so as to be interchangeable . Grinding . When in use the faces of the chaser teeth are ground frequently to maintain the correct degree of rake and a keen cutting edge . This form of chaser is ...
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addendum circle adjustable angle plate B.Sc bearings bevel bolts boring calipers carried cast iron centre change wheels chisel chuck cone crank Crown 8vo cutting edges cutting tools cylinder Diagrams diameter diametral pitch disc drill driving ELEMENTARY emery wheel engine feed finished fitted fixed forged gauge gear grinding grinding machine grip groove ground guide screw hammer hardened headstock heat holes hydraulic Illustrations jaws lathe length lever machine tools mandrel measured metal mild steel Millimetres milling cutter milling machine motion number of teeth obtained operated parallel piece pinion piston pitch circle placed planing machine position practice pressure pulley reamer rest revolutions per minute revolving rivet rotated saddle screw threads secured shaft shown in Fig side slide slot speed spindle square standard surface taper threads per inch tooth turned turret vertical worm wrought iron
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