This standard specifies the inspection specifications of transmission gear box (hereinafter referred to as gear box) of boom-type roadheader (hereinafter referred to as roadheader).
This standard is applicable to gear boxes of cutting device, loading mechanism, traveling mechanism and hydraulic pump distributor of the roadheader.
Foreword i
1 Scope
2 Normative References
3 Inspection Classification and Test Items
4 Measurement Accuracy
5 Test Content, Method and Requirements
Appendix A (Normative) Failure Discrimination Standards of Roadheader Gear Teeth
