GB/T 4169.4-1984 Plastic injection mold parts with guide pins

GB/T 4169.4-1984 Plastic injection mold parts with guide pins GB/T4169.4-1984 standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Plastic injection mold parts
: Guide pillar with head
Components of lnjectlou mogld for plaatlcs-Glde pillars with bead
Marking example,
d=12, L=100, L,=25 guide pillar with head, guide pillar Φ12×100×25GB4169.4—84 When the material is 20 steel:
Guide pillar ±12×100×25-20 steel GB 4169.4—84 National Bureau of Standards 1984-02-2000-R0.5
UDC 621.726.29
GB 41.4—84
Remaining 5
2-Center hole BwwW.bzxz.Net
GB145—59
18 86 ~ 01 ~ 01 Application
d (f7)
d, (k6)
Basic size
Limit deviation
Basic size
Limit deviation
GB 4169.4-84
-0,041
d. The chamfer shown in the figure is not greater than 0.5×45°. GB 4169.4-84
e. When oil grooves are required in sliding parts, the requirements shall be determined by the contractor f. Others shall be in accordance with GB4170--84.
Additional Notes:
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 Electric Science Research Institute of the Ministry of Machinery Industry. This standard was drafted by the Guilin Electric 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, and Wu Zhengyuan.
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