This standard specifies the basic principles, code structure, and division of large and medium categories of process methods for m

This standard specifies the classification, technical requirements, test methods, inspection rules, marking, packaging, transporta

This standard specifies the classification, technical requirements, test methods, inspection rules, marking, packaging, transporta

This standard specifies the classification, technical requirements, inspection rules, marking, packaging and storage of steel ball

本标准规定了钢砂式安全联轴器的分类、技术要求、检验规则、标志、包装贮存等。 本标准适用于联接两轴线的带负载启动、需要安全保护、无需调速的中高速传动轴承系，具有空载启动和地载保护的性能，改变钢砂的填充量可调节转矩，实现具有一定的补偿被联接两相对偏移、减振等特点，

This standard specifies the materials, basic types, dimensions and tolerances, working media, bearing matching parts, etc. of ther

JB/T 5984-1992 Basic parameters of wide V-band continuously variable transmission JB/T5984-1992 Standard download and decompressio

This standard specifies the design method of poly-V belt transmission. This standard is applicable to the design of three types of