how to select tolerance for sliding fit
gave one example
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SLIDING FIT
engineering a fit that enables one part to be inserted into another
by sliding or pushing, rather than by hammeringAlso called: push
fit
Selection of fits
ISO Symbol : H8/r7, H7/p6, H7/r6, P7/h6, R7/h6
Description : Pressed fits with guaranteed interference. Assembly of the parts can be carried out using cold pressing.
Applications : Hubs of clutch disks, bearing bushings.
H8/s7, H8/t7, H7/s6, H7/t6, S7/h6, T7/h6
Pressed fits with medium interference. Assembly of parts using hot pressing. Assembly using cold pressing only with use of large forces.
Permanent coupling of gears with shafts, bearing bushings.
H8/u8, H8/u7, H8/x8, H7/u6, U8/h7, U7/h6
Pressed fits with big interferences. Assembly using pressing and great forces under different temperatures of the parts.
Permanent couplings of gears with shafts, flanges.
Some of the applications: sliding gears and clutch disks, parts
of machine tools, pistons of hydraulic machines, rods sliding in
bearings, grinding machine spindles, crankshaft journals.
Some of the selected Preferred fits: H7/g6, H8/g7, G7/h6,
How to decide the GD&T tolerance value and gave one example ??
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