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GB/T 36693-2018Earth-moving machinery - Hydraulic excavator - Reliability test procedures,failure classification and evaluation (English PDF)

土方机械液压挖掘机可靠性试验方法、失效分类及评定

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Issued by

State Administration for Market Regulation; Standardization Administration of China

Level / Type

National · Recommended

Issue date

September 17, 2018

Implementation date

April 1, 2019

Scope

GB/T 36693-2018 is the English-translated version of 土方机械液压挖掘机可靠性试验方法、失效分类及评定.

GB/T 36693-2018 sets out how to run reliability tests on hydraulic excavators and how to classify and assess the failures found. It defines the terms used, such as failure, inherent weakness failure and secondary failure, and gives the test method, followed by the rules for failure classification and the assessment of reliability.

Informative annexes provide a format for collecting failure information and examples of failure modes. It applies to the reliability testing of wheeled and crawler hydraulic excavators, as identified in GB/T 8498, with an operating mass of not more than 200 000 kg. It was issued on 17 September 2018 and has applied since 1 April 2019.

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Document preview — GB/T 36693-2018

National Standard of the People's Republic of China

ICS: 53.100
Classification: P 97

Issued by: State Administration for Market Regulation; Standardization Administration of China

Foreword
1 Scope
2 Normative references
3 Terms and Definitions
4 Test method
5 Failure classification and assessment
Appendix A (informative) Failure Information Collection Format
Appendix B (informative) Example of failure mode

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This standard specifies the terms and definitions, test methods, failure classification and reliability test of hydraulic excavator (hereinafter referred to as "excavator") reliability test. assessment.

This standard is applicable to tire type and crawler type hydraulic excavator products with a working quality of not more than 200000kg as specified in GB/T 8498. Reliability test.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this document. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 6572 earthmoving machinery hydraulic excavator terminology and commercial specifications

GB/T 8498 earthmoving machinery basic type identification, terminology and definition

GB/T 9139 earthmoving machinery hydraulic excavator technical conditions

GB/T 25602 Earthmoving Machinery Machine Usability Terminology

3 Terms and definitions

The following terms and definitions as defined in GB/T 6572 and GB/T 25602 apply to this document. For ease of use, the following repetitions Some terms and definitions in GB/T 25602 are listed.

3.1 Failure

The whole machine or component cannot complete its specified function or its performance index deteriorates beyond the scope, but it is vulnerable for a certain period of time. Except for replacement of parts.

Note: Rewrite GB/T 25602-2010, definition 3.4.1.

3.2 Inherent defect failure

When the product is subjected to the load within the specified capacity due to errors in planning and implementation, such as design and manufacturing, the inherent defects of the product itself The failure of the formation. [GB/T 25602-2010, definition 3.4.11]

Example: Over-deformation, fracture, early wear and aging failures due to structural strength, material, processing, and assembly processes.

3.3 Subordinate failure

Failure of a product caused directly or indirectly by failure of another product. [GB/T 25602-2010, definition 3.4.8]

Note: If the engine is damaged due to the broken bolt of the connecting rod, the connecting rod bearing bush, the piston and the cylinder are damaged, the connecting rod bolt is broken and the inherent defect is invalid.

The resulting damage to a series of parts such as pistons and cylinders is a subordinate failure.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 10 pages — is available in the English PDF.

Referenced standards

Normative references

Cited by

Similar standards

GB 16710-2025|GB 20904-2007|GB 48002-2026|GB 10055-2007|GB 22361-2008

Editions of GB/T 36693

Edition	Title	Revision	Status
GB/T 36693-2018	Earth-moving machinery - Hydraulic excavator - Reliability test procedures,failure classification and evaluation	current edition	Current

This page sells the current edition, GB/T 36693-2018. Earlier editions are listed for reference only.

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