T/CSTE 0116-2021 "Leader" standard evaluation requirements for passenger car disc brake assembly

Scope

Scope: This document specifies the terms and definitions, evaluation index system, and grade division for the "Leader" standard evaluation of passenger car disc brake assemblies. This document applies to disc brake assemblies for M1 class vehicles, including the enterprise standard level evaluation of disc brakes, brake discs, and brake linings. Relevant institutions can refer to it when formulating "Leader" evaluation schemes for enterprise standards, and enterprises can also use it as a reference when formulating their own enterprise standards. Main technical content: 4.2 Classification of evaluation indices 4.2.1 The evaluation indices for the "Leader" standard of passenger car disc brake assemblies are divided into: basic indices, core indices, and innovative indices. 4.2.2 Basic indices include: limit of harmful components in brake linings, friction performance of brake linings, thermal fatigue of brake discs, and high load of brake discs. 4.2.3 Core indices include: braking torque, decay rate, recovery ratio, torque stability coefficient, speed stability, driving drag torque, and caliper stiffness. 4.2.4 Innovative indices include: SRO, DTV, BTV, thermal deformation of brake discs, wear of brake linings, and brake noise.

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