Machine Tools and Workshop Practice for Engineering Students and ApprenticesLongmans, Green, and Company, 1905 - 444 страници |
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Страница 12
... given opposite each number in the table . We give a copy of that table , and with it a table of wire gauges used in the United States of America for comparison . It will be observed that the Stubs ' wire gauge and the Birmingham wire ...
... given opposite each number in the table . We give a copy of that table , and with it a table of wire gauges used in the United States of America for comparison . It will be observed that the Stubs ' wire gauge and the Birmingham wire ...
Страница 19
... given in Fig . 25. Three measuring points are furnished : the long point measures from 3 to 4 in . , the inter- mediate point from 4 to 5 in . , and the short point from 5 to 6 in . These rods are inserted into the frame , and secured ...
... given in Fig . 25. Three measuring points are furnished : the long point measures from 3 to 4 in . , the inter- mediate point from 4 to 5 in . , and the short point from 5 to 6 in . These rods are inserted into the frame , and secured ...
Страница 20
... given in Figs . 28 and 29. The front side is graduated to read by means of a vernier to thousandths of an inch for accurate work . The back side is convenient for a large class of work where extreme accuracy is not required ; the ...
... given in Figs . 28 and 29. The front side is graduated to read by means of a vernier to thousandths of an inch for accurate work . The back side is convenient for a large class of work where extreme accuracy is not required ; the ...
Страница 29
... given distance apart , and at a given distance from the centre of cylinder bore . Here we have quite a different case . Some of these centres will be in use for a considerable time , therefore wooden plugs will be unsuitable . Again ...
... given distance apart , and at a given distance from the centre of cylinder bore . Here we have quite a different case . Some of these centres will be in use for a considerable time , therefore wooden plugs will be unsuitable . Again ...
Страница 32
... given — a punching and shearing machine shaft . This time there are two eccentric portions to be arranged for . Here we will suppose the shaft to be 8 in . diameter on the main part , and 6 in . diameter on the eccentrics . The shaft ...
... given — a punching and shearing machine shaft . This time there are two eccentric portions to be arranged for . Here we will suppose the shaft to be 8 in . diameter on the main part , and 6 in . diameter on the eccentrics . The shaft ...
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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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