T/SXQCTB 002-2023 Technical Conditions for Clockspring for Automotive Use
T/SXQCTB 002-2023 Technical Conditions for Clockspring for Automotive Use
Basic Information
Scope
Scope: This document specifies the technical requirements, test methods, acceptance rules, packaging, storage, and transportation of clock springs for automobiles. This document applies to clock springs installed on automotive steering columns. Main technical content: The standard stipulates the basic performance requirements of clock springs, electrical load resistance, climatic load resistance, mechanical load resistance, durability requirements, restrictions on prohibited substances, and combustion characteristics. The standard also specifies the test conditions and methods for clock springs, including appearance quality inspection, dimensional inspection, total number of rotation cycles inspection, resistance inspection, insulation resistance inspection, torque test, noise test, connection strength test, short-circuit piece insertion and removal test, current resistance test, voltage resistance test, low-temperature test, high-temperature test, rapid temperature change test, humidity-heat cycle test, dust test, salt spray test, vibration test, drop test, durability test, prohibited substances test, and combustion characteristics test, etc.