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
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.
Contents of MT/T 291.1-1998
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