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JB/T 7019-1993Disc brakes - Brake discs (English PDF)

盘式制动器制动盘

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

September 21, 1993

Implementation date

July 1, 1994

Scope

JB/T 7019-1993 is the English-translated version of 盘式制动器制动盘.

JB/T 7019-1993 is the Chinese standard "Disc brakes - Brake discs". Its scope clause reads: This standard specifies the type, dimension, technical requirements and test rules of the brake disc used for the disk brake (hereinafter referred to as brake disc).

This standard is applicable to all kinds of the single-disc style brake discs. This standard is not applicable to the multi-disc and wet disc brakes. Its clauses include type and dimension.

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Document preview — JB/T 7019-1993

National Standard of the People's Republic of China

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

1 Scope
2 Normative References
3 Type and Dimension
4 Technical Requirements
5 Inspection Rules
6 Package, Transportation and Storage
7 Quality Assurance Date

1 Scope

This standard specifies the type, dimension, technical requirements and test rules of the brake disc used for the disk brake (hereinafter referred to as brake disc).

This standard is applicable to all kinds of the single-disc style brake discs.

This standard is not applicable to the multi-disc and wet disc brakes.

2 Normative References

GB 699 "Carbon Constructional Quality Steel-Technical Conditions"

GB 1348 "Ductile Iron Castings"

GB 1569 "Cylindrical Ends of Axles"

GB 3077 "Alloy Structure Steel-Technical Requirements"

GB 3852 "Types and Dimensions for Coupling Bores and Their Connection"

GB 11352 "Cast Carbon Steels for General Engineering Purposes"

GB 11357 "Quality Roughness and Balance of Transmission Pulleys"

GB/T 13384 "General Technical Specifications for the Packaging of Electromechanical Products"

JB/ZO 4297 "Alloy Cast Steel"

3 Type and Dimension

3.1 Type

3.1.1

The type of the brake disc may be divided into Type A brake disc and Type B brake disc according to its structure.

a. The structural feature of the Type A brake disc is brake disc and wheel hub are made as a whole, and shown in Figure 1. The brake disc has entity brake disc (code number is S), straight air brake disc (code number is Z) and curve air brake disc (code number is Q). The code numbers of the three kinds of brake discs are ASP, AZP, and AOP respectively.

b. The structural feature of the Type B brake disc is brake disc and wheel hub may be connected detachably, and shown in Figure 2. The brake disc also has entity brake disc, straight air brake disc and curve air brake disc. The code numbers of the three kinds of brake discs are BSP, BZP and BOP respectively.

The brake disc is not required to entirely correspond with the schematic construction, but shall meet the given dimension.

3.1.2 Representation Methods of the Type

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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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