GB/T 4169.5-1984 Plastic injection mold parts with shoulder guides

GB/T 4169.5-1984 Plastic injection mold parts with shoulder guide GB/T4169.5-1984 standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Components of Injectlon moald Tor plastics-Guide plllars w lth sboalderX4
Marking example:
d=12, L= 100, L,= 25 with shoulder guide type I: guide column 12 × 100 × 25 (I)
When the material is 20 steel
GB 4169,5--84
Guide column ±12×100 ×25 (I)-20 steel GB 4189.5—84 National Bureau of Standards 1984-02-27 issued
UDC 621.726.29
GB4f69.5—84bzxz.net
Other 5
2 - Center hole
GB115-59
- Center hole B
GB 145-59
1985-01-01 implementation
d (f7)
d, (f7)
Basic size
Limit sound difference
Basic size
Limit deviation
Basic size
Limit deviation
Basic size
Limit deviation
GB 4169.5—84
-0,034
- 0,016
-0,090
GB 4169.6-84
Material: T8 A GB1298-77 20 Steel GB699-65 Technical Requirements:
a. Heat treatment HRC50~520 steel carburizing 0,50.8 hardening HRC56~60b. The geometric tolerance values ​​marked in the figure are in accordance with Appendix 1 of GB1184-80. The dimensional tolerance of t is level 6 and can be changed within the same tolerance level according to the use requirements. The chamfer shown in the figure is not greater than 0.5x45°
When an oil groove is required in the sliding part, the requirements shall be determined by the contracting unit. f. Others are in accordance with GB 4170-84.
Additional instructions:
GB4169.5-84
Appendix A
Application examples of guide pins and guide sleeves
(reference)
1-Guide sleeve with head (Type II) F2-Guide pin with head 3-Support plate 14-Moving template, 5-Fixed plate; B-Fixed template fixed plate; 7-Shoulder guide pin (Type II), 8-Head sleeve (Type) 9-Guide sleeve with head (I This standard is 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 Mold Factory of the Ministry of Light Industry, the Chongqing Radio Factory of the Ministry of Electronics Industry, the Shanghai Spark Mold 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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