- Standard No.
- JB/T 3989.4-2017
- Language
- Chinese, Available in English version
- Release Date
- 2017
- Published By
- Professional Standard - Machinery
- Latest
-
JB/T 3989.4-2017
- Replace
-
JB/T 3991-1999
- Scope
- This part of JB/T 3989 specifies the geometric accuracy, working accuracy requirements, inspection methods and corresponding tolerances of conical grinding wheel gear grinding machines. This section applies to ordinary precision conical grinding wheel gear grinding machines (hereinafter referred to as machine tools) with a maximum workpiece diameter of 320 mm to 2 000 mm.
JB/T 3989.4-2017 Referenced Document
- GB/T 10095.1-2008 Cylindrical gears.System of accuracy.Part 1:Definitions and allowable values of deviations relevant to corresponding flanks of gear teech
- GB/T 17421.1-1998 Test code for machine tools. Part 1: Geometric accuracy of machines operating under no-load or finishing conditions
JB/T 3989.4-2017 history
- 2017 JB/T 3989.4-2017 Involute cylindrical gear grinding machines.Part 4: Gear grinders with cone-shaped grinding wheels.Testing of the accuracy
- 1999 JB/T 3991-1999 Gear grinding machine with taper wheel Accuracy inspection
- 0000 JB 3991-1985
JB/T 3989.4-2017 Involute cylindrical gear grinding machines.Part 4: Gear grinders with cone-shaped grinding wheels.Testing of the accuracy has been changed from JB/T 3991-1999 Gear grinding machine with taper wheel Accuracy inspection.