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QC/T 55-1993Dynamic comfort test methods for automobile seats (English PDF)

汽车座椅动态舒适性试验方法

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

April 22, 1993

Implementation date

June 1, 1993

Scope

QC/T 55-1993 is the English-translated version of 汽车座椅动态舒适性试验方法.

QC/T 55-1993 is the Chinese standard "Dynamic comfort test methods for automobile seats". Its scope clause reads: This standard specifies the test items, test equipment, test procedure and data processing for the dynamic comfort test for automobile seat.

This standard is applicable to cushioned seats and suspended seats of automobile. Its clauses include subject content and applicable scope; test items; general requirements.

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Document preview — QC/T 55-1993

National Standard of the People's Republic of China

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

Foreword i
1 Subject content and applicable scope
2 Normative references
3 Test items
4 General requirements
5 Vibration test instrument
6 Vibration test stand
7 Random excitation signal
8 Test method and data processing
9 Test report
3.1 Static load test
3.2 Frequency response characteristics test
3.3 Random vibration test2)

1 Subject content and applicable scope

This standard specifies the test items, test equipment, test procedure and data processing for the dynamic comfort test for automobile seat.

This standard is applicable to cushioned seats and suspended seats of automobile.

2 Normative references

GB 11559 Motor vehicles - Use in defining their seating accommodations - Three dimensional H point machine

GB 11563 Motor vehicles - Procedure for H point determination

GB 4970 Method of random input running test - Automotive ride comfort

3 Test items

3.1 Static load test

The static stiffness and hysteresis deformation rate of the seat cushion1) and the backrest are measured.

3.2 Frequency response characteristics test

The frequency response characteristics of the seat are measured under input of a simple harmonic vibration or broadband white noise random vibration.

3.3 Random vibration test2)

The weighted acceleration r.m.s. value on the passenger seat cushion is measured under random vibration input during analog automobile driving.

Notes:

1) In this standard, the suspended seat also includes a suspending device.

2) This test is carried out when the quality supervision organization deems it necessary. If the equipment conditions are not available, the test can be replaced by a smooth road test.

4 General requirements

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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