This standard specifies the structure types,technical requirements,test methods,inspection rules,marking,packaging,transport and storage requirements of cold-formed cylindrical coil springs installed in hermetic motor-compressor.
This standard is applicable to the support springs installed in hermetic motor-compressor which include cylindrical helical compression spring with equal pitch,conical spring with equal pitch and waisted spring with equal pitch (hereinafter simply “springs”).
This standard may be used in other type springs which are installed in hermetic motor-compressor.
定价: 780元 / 折扣价: 663 元 加购物车
This part of GB/T 1239 specifies the technical requirements,test methods,inspection rules,packaging,marking,transport and storage requirements of cold coiled helical extension springs.
This part is applicable to cold coiled helical extension springs (hereinafter simply “springs”).The section diameter of steel wire or wire products is greater than or equal to 0.5 mm.
This part is not applicable to springs with special performance requirements.
定价: 372元 / 折扣价: 317 元 加购物车