GB/T 4169.9-1984 Limit pins for plastic injection mould parts

GB/T 4169.9-1984 Limit pins for plastic injection mold parts GB/T4169.9-1984 Standard download decompression password: www.bzxz.net

Marking example:
National Standard of the People's Republic of China
Plastic injection mold parts
Stop pin
Composents of Injection mould for plastics-Stop pirs
Stop pin with d=8:
Stop pin #8
Basic size
GB4169.9—84
Limit deviation
National Bureau of Standards 1984-02-27 Issued
Other√4
UIC 621.725.29
GB4169.8—84
1985~ 01 - 01 Implementation
Material: 45 steel GB699-65.
Technical conditions:
. Heat treatment HRC40~45. bzxZ.net
b. The chamfer shown in the figure is 1×45°.
c, others are in accordance with GB 4170-84.
Additional remarks:
GB 41.5-4
This standard was proposed by the Ministry of Machinery Industry of the People's Republic of China and is under the jurisdiction of the Guilin Electrical Science Research Institute of the Ministry of Machinery Industry. This standard was drafted by the Guilin Electrical Science Research Institute of the Ministry of Machinery Industry, the Shanghai Plastics Mould Factory of the Ministry of Light Industry, the Chongqing Radio Factory of the Ministry of Electronics Industry, the Shanghai Spark Mould General Factory of Shanghai, the Beijing Qingyun Instrument Factory of the Ministry of Aviation Industry, and the Taiyuan Weidong Chemical Factory of the Ministry of Ordnance Industry. The main drafters of this standard are Zhang Ansheng, Zhao Yunjie, Yang Bingxin, Wang Xu, Wei Min, Wu Zhengyuan,
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