• BS 978-2:ADDENDUM NO. 1:1959

BS 978-2:ADDENDUM NO. 1:1959

Gears for instruments and clockwork mechanisms. Cycloidal type gears.-Double circular arc type gears

BSI Group , 05/15/1959

Publisher: BS

File Format: PDF

$80.00$160.02


Basic rack tooth shape and modules from 0.150 mm to 0.700 mm inclusive. Limits of tolerance for tip diameter, pitch, tooth thickness, profile, axial and radial run-out and centre distance; cutters for pinions with from six to twelve teeth.Cross References:BS 978:Part 2BS 2519

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