Pipe conveyor belts of steel cord construction
1 Scope
This standard specifies the product classification, technical requirements, test methods, inspection rules, packaging, marking, storage and transport of pipe conveyor belts of steel cord construction with rubber cover (hereinafter referred to as “belt").
This standard is applicable to pipe conveyor belts of steel cord construction in the working environment with a temperature falling within -20℃~ 40℃.
This standard is not applicable to troughed conveyor belts for conveying materials.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 528-2009 Rubber, vulcanized or thermoplastic - Determination of tensile stress-strain properties (idt ISO 37: 2005)
GB/T 3512 Rubber, vulcanized or thermoplastic - Accelerated ageing and heat resistance tests - Air-oven method (GB/T 3512-2001, eqv ISO 188: 1998)
GB/T 4490 Conveyor belts with textile carcass - Widths and lengths (idt GB/T 4490- 2009, ISO 251: 2003)
GB/T 5752 Conveyor belts - Marking (GB/T 5752- 2002, eqv ISO 433: 1991)
GB/T 5753 Steel cord conveyor belts - Methods for the determination of total thickness and cover thickness (idt GB/T 5753-2008, ISO 7590: 2001)
GB/T 5754.2 Steel cord conveyor belts - Longitudinal traction test - Part 2: Measurement of tensile strength (idt GB/T 5754.2-2005, ISO 7622-2: 1984)
GB/T 5755 Steel cord conveyor belts - Cable-to-coating bond test (GB/T 5755-2000, eqv ISO 7623: 1996)
GB/T 5756 Conveyor belts - Terms and definition (neq GB/T 5756-2009, ISO 5284: 1986)
GB/T 7762 Rubber, vulcanized or thermoplastic - Resistance to ozone cracking - Static strain testing (mod GB/T 7762 2003, ISO 1431-1: 1989)
GB/T 9770 Steel cord conveyor belts for general use
GB/T 9867 Rubber vulcanized or thermoplastic - Determination of abrasion resistance using a rotating cylindrical drum device (idt GB/T 9867-2008, ISO 4649: 2002)
GB/T 17044 Steel cord conveyor belts - Adhesion strength test of the cover to the core layer (GB/T17044-1997, eqv ISO 8094: 1984)
HG/T 2410 Conveyor belts - Sampling (idt HG/T 2410-2006, ISO 282: 1992)
HG/T 3056 Conveyor belts - Guide to storage and handling (idt HG/T 3056-2006, ISO 5285: 2004)
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 5756 and the following ones apply.
3.1
tube diameter
nominal diameter of the outer circle of a tubular conveyor belt after a tube is formed by both sides
3.2
transverse rigidity
force rebounding outward from the overlap joint at both transverse ends
4 Product classification
4.1 Specification
The specifications of the belt shall be distinguished according to the tube diameter of the belt, the longitudinal tensile strength of the belt and the width of the belt.
4.1.1 Tube diameter of belt
The tube diameter of belt shall be indicated by “Φ" in millimeters (mm), as shown in Table
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Product classification
5 Technical requirements
6 Test methods
7 Inspection rules
8 Marking, packaging, storage and transport
Annex A (Normative) Transverse rigidity determination method
