GB 13552-92标准（英文版）.doc

National Standard of the People’s Republic of China
GB13552-92
Automotive V-ribbed belts

Theme and application scope
This standard specifies the classification, technical requirements, test methods, inspection rules, marking, packing, transport and storage of automotive V-ribbed belts (hereinafter shortened as belts).
This standard is applicable to V-ribbed belts that are used to transfer the force of automotive gas engine to some accessory machines like cooking fan, dynamotor, water pump, compressor, power steering pump and etc.
2. Product classification
Marking
Belts are classified according to cross sections. This standard only contains PK type, and wedge number is 3 or above. The marking contents of belts are wedge number, type and belt length in order.
wedge number
type
Belt length
Structure
Endless belt with the cross section shown in figure 1
Figure 1-name of each part in the structure,
1-cover; 2- core; 3-adhesive glue; 4-wedge glue
Approved by China State Bureau of Technical Supervision on 06-29-1992 Implemented on 06-01-1993
Materials
Adhesive glue and wedge glue is made by corresponding method. The cover uses ninon made of cotton fiber or synthetic fiber, whose longitude and woof shall be equal without any spots or deformation.
Dimension
Dimension of sections
See table 1 and figure 2 for dimension of sectio