Engineering Encyclopedia: A Condensed Encyclopedia and Mechanical Dictionary for Engineers, Mechanics, Technical Schools, Industrial Plants, and Public Libraries, Giving the Most Essential Facts about 4500 Important Engineering SubjectsFranklin Day Jones, Paul Bert Schubert Industrial Press, 1963 - 1431 σελίδες |
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Σελίδα 384
... Drill Grinding Machines . Twist drills should be ground in specially - designed drill grinding machines to obtain the best re- The two cutting edges should have the same inclination and come into contact with the work throughout the ...
... Drill Grinding Machines . Twist drills should be ground in specially - designed drill grinding machines to obtain the best re- The two cutting edges should have the same inclination and come into contact with the work throughout the ...
Σελίδα 387
... drilling , reaming , counterboring , etc. Drilling Machine Size . The size of an upright drilling ma- chine is equal approximately to twice the distance from the drill spindle to the column . A 28 - inch drilling machine , for example , ...
... drilling , reaming , counterboring , etc. Drilling Machine Size . The size of an upright drilling ma- chine is equal approximately to twice the distance from the drill spindle to the column . A 28 - inch drilling machine , for example , ...
Σελίδα 390
... drill of special form in a guide which has the same shape as the hole to be cut . The drill is mounted in a special floating chuck which allows sufficient movement ... drill . Drills , Portable Air - Driven . Pneumatically - operated D - 390.
... drill of special form in a guide which has the same shape as the hole to be cut . The drill is mounted in a special floating chuck which allows sufficient movement ... drill . Drills , Portable Air - Driven . Pneumatically - operated D - 390.
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abrasive acid alloy alternating current aluminum angle annealing applied axis bearing belt blank brass bronze carbon cast iron cent chemical chromium chuck classes compression containing copper corrosion cutter cutting cylinder degrees F designed diameter diametral pitch direct current disk drill driving duralumin electric electromotive force engine equal feed finished force forging friction furnace gage gear grinding wheel hardening hardness heat heat-treatment high-speed steel hole horsepower known lathe load lubricant machine magnetic manganese manufacture material measured mechanical melting metal method milling milling cutters milling machines mold motor nickel obtained operation oxide Phenolic pipe piston plane plate pounds per square pressure produced resistance rotation screw screw thread shaft shape specific gravity speed spindle square inch standard steam steel surface taper temperature tensile strength thickness thread tion tool tooth tube usually valve varies weight welding wire zinc