QC/T 29097-2014 in English

1 Scope

This standard specifies the technical specifications of 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 484 Automobiles - Paint coating

3 Terms and definitions

For the purposes of this standard, the terms and definitions given in GB/T 5179 as well as the following apply.

3.1
rated output force
output force for safety use specified in the design of steering gear, in N

3.2
rated output torque
output torque for safety use specified in the design of steering gear, in N•m

3.3
total angle of steering shaft
total angle of input shaft of steering gear from one limit position to another limit position, in °

3.4
clearance

3.4.1
recirculating ball steering gear clearance
sum of all transmission pair clearances of steering gear, in °

3.4.2
rack and pinion steering gear clearance
radial back lash of rack and pinion, in mm

Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Technical requirements