QC/T 1082-2017 in English

Electromotor for automobile electrical power steering

1 Scope

This standard specifies the general requirements, technical requirements and test methods for electromotors for automobile electrical power steering.

This standard is applicable to electromotors for automobile electrical power steering [hereinafter referred to as electromotor(s)].

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 755 Rotating electrical machines - Rating and performance
GB/T 2423.1 Environmental testing for electric and electronic products - Part 2: Test methods - Tests A: Cold
GB/T 2423.2 Environmental testing for electric and electronic products - Part 2: Test methods - Test B: Dry heat
GB/T 2423.3 Environmental testing - Part 2: Testing method - Test Cab: Damp heat, steady state
GB/T 2423.17 Environmental testing for electric and electronic products - Part 2: Test methods - Test Ka: Salt mist
GB/T 2423.22 Environmental testing - Part 2: Tests methods - Test N: Change of temperature
GB/T 5179 Motor vehicle - Steering system - Terms and definitions
GB/T 2423.34 Environmental testing - Part 2: Test methods - Test Z/AD: Composite temperature/humidity cyclic test
GB/T 4942.1 Degrees of protection provided by the integral design of rotating electrical machined (IP code) - Classification
GB 7345 General requirements for electrical machine for automatic control system
GB 10069.1 Measurement of the airborne noise emitted by rotating electrical machines and the noise limits - Part 1: Method for the measurement of airborne noise emitted by rotating electrical machines
QC/T 413 Basic technical requirements for automotive electric equipment
QC/T 484 Automobile paint coating
QC/T 29106 Technical specification of automobile wire harness

3 Terms and definitions

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

For the purposes of this document, the following terms and definitions apply.

3.1
unloaded current I0
current of an electromotor running at no load at nominal voltage

3.2
unloaded speed n0
steady speed of the output shaft of an electromotor running at no load at nominal voltage

3.3
rated current IN
current of an electromotor at rated output torque at nominal voltage

3.4
rated speed nN
rotating speed of an electromotor at rated output torque at nominal voltage

3.5
rated output torque TN
output torque of an electromotor at nominal voltage and rated current

3.6
moment of inertia J
measure of the inertia (the property of an object to maintain its constant-speed circular motion or stationary state) of a component which is rotating about a shaft

Contents
Foreword II
1 Scope
2 Normative references
3 Terms and definitions
4 Technical requirements
5 Test methods