National standard for pvc conveyor belts;
This standard specifies the specifications, technical requirements, test methods, inspection rules, markings and packaging of general-purpose fabric core conveyor belts (referred to as lightweight conveyor belts) with rubber or plastic coverings used on flat or grooved rollers.
This standard does not apply to conveyor belts for special purposes such as heat, oil, male fuel, acid and alkali, and food conveyor belts.
The provisions contained in the following standards constitute provisions of this standard by reference in this standard. At the time of publication of this standard, the versions made are valid. All standards will be revised and parties to this standard should explore the possibility of using the latest version of the following standards.
GB/T 528-1998 Determination of tensile stress-strain properties of vulcanized rubber or thermoplastic rubber (eqv ISO 37:1994) GB/T 2941-1991 Standard temperature, humidity and time for environmental conditioning and testing of rubber specimens (eqv ISO 471:1983 GB/T 3512-1983 Rubber hot air aging test method GB/T 5752-1992 Conveyor belt mark (neq ISO 433:1991)
GB/T 3690-1994 Determination of tensile strength and elongation of fabric core conveyor belts (eqv ISO 283:1990) GB/T 4490-1994 Conveyor belt dimensions (eqv ISO 251-2:1987) GB/T 5752-1992 Conveying With signs (neq ISO 433:1991)
GB/T 6759-1986 Method for determination of adhesion strength between conveyor belts (eqv ISO/DP 252:1985) GB/T 7983-1987 Test method for grooving of conveyor belts
GB/T 9867-1988 Determination of wear resistance of vulcanized rubber (Rotary drum type abrasion machine method) (neq ISO 4649: "1985) GB/T 3056-1986 (1997) General rules for storage and handling of conveyor belts 3 Terminology 3.1 Whole core band
The whole fabric is used as a core belt, and the whole fabric is a fabric composed of a plurality of layers of warp and weft, and the layers are interwoven or integrated by another tie line in the weaving. 3.2 single layer core tape
A conveyor belt with a core composed of a layer of fabric.
3.3 double core tape
A belt having a core composed of two layers of fabric and two layers of fabric bonded together by a sufficiently thick elastomeric intermediate layer.
3.4 multilayer core tape
A belt having a core composed of a plurality of layers of fabric and adjacent fabrics bonded together by an elastomeric intermediate layer.
3.5 edging belt
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China 2001-04-29 Approved 2001-10-01
The conveyor belts produced and processed by Mingcheng Transmission all comply with national standards and some products are higher than existing national standards.