1 Scope
This standard specifies the bench test methods of recirculating ball automobile steering gear and pinion and rack automobile steering gear.
This standard is applicable to recirculating ball automobile steering gear and rack and pinion automobile steering gear.
2 Normative references
The following referenced documents are indispensable for the application of this standard. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 5179 Motor vehicle - Steering system - Terms and definitions
QC/T 29097 The technical specifications of automobile steering gear
3 Terms and definitions
For the purposes of this standard, the terms and definitions given in GB/T 5179 and QC/T 29097 apply.
4 General requirements
4.1 Test types
The test items of this standard are classified into the following three types:
——performance test;
——strength test;
——durability test.
4.2 Precision of test instruments
The precision of test instruments used for each test item shall meet the following corresponding requirements:
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
5 Test methods