Methods of machine shop work : for apprentices and students in technical and trade schools (1914)
Halsey, Frederick A. (Frederick Arthur), 1856-1935 · New York : McGraw-Hill · leaf 150
rrfended Size, TrueSize and L ower in tended Size imif of Bearing and Upper -<■Limtf of Shaft ///Upper Lin,If of , ^^^^ ,_,^;f p, /j^^yBearing j^^^^ ...s^ Allotvance2 Intended Size andL^ower Limit ofBearing Upper Limit of Bearing … Fig. 121. Bearing Tolerance 2 Hole basis. Fig. 122.—Shaft basis. Allowances, tolerances and limits. so made, the tolerance on the shafts is commonly larger thanon the holes. With the grinding machine, however, the reverseis true and this machine has thus brought about an improve-ment not only in…
Machine-shop practice
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