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 98
... hole diameter as the basic diameter has practical advantages in obtaining different classes of fits , especially when it is economical to finish holes by means of standard tools . For example , assume that holes are to be finished by ...
... hole diameter as the basic diameter has practical advantages in obtaining different classes of fits , especially when it is economical to finish holes by means of standard tools . For example , assume that holes are to be finished by ...
Σελίδα 385
... hole has been drilled entirely through , or , in the case of a blind hole , to the required depth . With each with- drawal of the drill , the hole is cleared of chips and a copious stream of coolant fills the hole , cooling both tool ...
... hole has been drilled entirely through , or , in the case of a blind hole , to the required depth . With each with- drawal of the drill , the hole is cleared of chips and a copious stream of coolant fills the hole , cooling both tool ...
Σελίδα 390
... Hole . Special drills have been developed for drilling square , hexagonal , octagonal and other angular holes . Tools for this work have been made in several different forms but the principle of operation is to rotate a drill of special ...
... Hole . Special drills have been developed for drilling square , hexagonal , octagonal and other angular holes . Tools for this work have been made in several different forms but the principle of operation is to rotate a drill of special ...
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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