QC/T 1224-2025 Active Industry standards-Car

QC/T 1224-2025 Method for judging spring effect of commercial vehicle equipped with air suspension

Publish Date: 2025-05-09 Implement Date: 2025-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: QC/T 1224-2025

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Baseline standards and general methods

ICS Name: Comprehensive Road Vehicles

Publish Date: 2025-05-09

Implement Date: 2025-11-01

Pages: 16 pages

Scope

This document specifies the technical requirements for determining the vibration reduction effect of air suspension systems on commercial vehicles, as well as the test methods for the natural frequency and damping ratio of the entire vehicle.
This document applies to vehicles of classes M2, M3, N2, N3, and O3 equipped with air suspension systems on the rear axle. Other vehicles may refer to this document for implementation.