IS 8733 : 1978 Tolerances for single start gear hobs
| UDC 621.914.6 : 621.883 : 621.753.1 | PGD 33 |
|
| Reaffirmed 2023 |
1 SCOPE
Covers the tolerances for single start gear bobs, suitable formodules 1 to 20, conforming to IS 2535 : 1978 ` Basic rack andmodules of cylindrical gears for general engineering and heavyengineering'. The tolerances specified in the standard apply to allpressure angles.