QC/T 637-2000Test method for bending fatigue strength of automotive engine crankshafts (English PDF)
汽车发动机曲轴弯曲疲劳强度试验方法
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
January 19, 2000
Implementation date
July 1, 2000
Scope
QC/T 637-2000 is the English-translated version of 汽车发动机曲轴弯曲疲劳强度试验方法.
QC/T 637-2000 is the Chinese standard "Test method for bending fatigue strength of automotive engine crankshafts". Its scope clause reads: This standard specifies the test method for bench fatigue of bellcrank specimen of crankshaft for vehicle engine, data processing method and test precision requirements.
This standard is applicable to the following situations: crankshaft fatigue strength evaluation test, new design, alteration of process or material, appraisal of goods supply, sampling inspection of product quality as well as other situations which may cause significant change on fatigue strength. Its clauses include symbols, terms and definitions.
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Document preview — QC/T 637-2000
National Standard of the People's Republic of China
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- Foreword i
- 1 Scope
- 2 Normative References
- 3 Symbols, Terms and Definitions
- 4 Sampling
- 5 Test Apparatus
- 6 Test Method
- 7 Test Report
- 8 Original Record
- Annex A (Normative) Calculation for Nominal Working Bending Moment of Crankshaft
- Annex B (Normative) Calculation for Safety Fatigue Limit
- Annex C (Normative) Fitting Method for S-N Curve and P-S-N Curve
1 Scope
This standard specifies the test method for bench fatigue of bellcrank specimen of crankshaft for vehicle engine, data processing method and test precision requirements.
This standard is applicable to the following situations: crankshaft fatigue strength evaluation test, new design, alteration of process or material, appraisal of goods supply, sampling inspection of product quality as well as other situations which may cause significant change on fatigue strength.
2 Normative References
The following standard contains provisions which, through reference in this text, constitute provisions of this standard. At the time of publication, all editions indicated are valid. All standards are subject to revision, and all parties coming to an agreement according to this standard are encouraged to study whether the latest editions of these standards apply.
GB/T 10623-1989 Metallic Materials - Terms of Mechanical Test
3 Symbols, Terms and Definitions
See Table 1 for the symbols, terms and definitions adopted in this standard, and see GB/T 10623 for terms related to fatigue test.
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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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