This standard specifies the technical requirements, test methods, inspection rules, marking, and storage, etc. of vertical wheel geared hand brake of railway freight car (hereinafter referred to as "hand brake").
This standard is applicable to newly-made hand brake.
2 Normative References
The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. At time of publication, all the editions listed are valid. All standards are subject to revision. Parties to agreements based on this standard are encouraged to investigate the possibility of applying the latest editions of the standards indicated below.
1 Scope
This standard specifies the technical requirements, test methods, inspection rules, marking, and storage, etc. of vertical wheel geared hand brake of railway freight car (hereinafter referred to as "hand brake").
This standard is applicable to newly-made hand brake.
2 Normative References
The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. At time of publication, all the editions listed are valid. All standards are subject to revision. Parties to agreements based on this standard are encouraged to investigate the possibility of applying the latest editions of the standards indicated below.
GB/T 699-1988 Carbon Constructional Quality Steel - Technical Conditions
GB/T 700-1988 Carbon Structural Steels
GB/T 1184-1996 Geometrical Tolerancing - Geometrical Tolerances for Features without Individual Tolerance Indications
GB/T 1804-1992 General Tolerances - Unnoted Tolerances for Linear Dimension
GB/T 3077-1988 Technical Specifications for Alloy Structure Steels
TB/T 1464-1991 General Technical Specifications for Carbon Steel Castings of Rolling Stock
TB/T 1475-1993 General Technical Specifications for Copper Alloy Castings of Rolling Stock
TB/T 2942-1999 Technical Specifications for Purchase and Acceptance of Steel Castings for Railway
3 Technical Requirements
3.1 General requirements
3.1.1 The hand brake must be manufactured according to drawings approved upon established procedures and relevant manufacturing standards.
Contents of TB/T 2978-2000
Foreword II
1 Scope
2 Normative References
3 Technical Requirements
4 Test Methods
5 Inspection Rules
6 Marking and Storage
