GB/T 2855.13-1990 Die sliding guide die base four guide column upper die base

GB/T 2855.13-1990 Punch die sliding guide die seat four guide column upper die seat GB/T2855.13-1990 standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Sliding guide die sets for press tools
Four guide pillar upper die sets
Holder for sliding guide die sets for press toolsPunch holder for four pillar setsSubject content and scope of application
GB/T 2855.13 --90
Replaces GB 2855.13-81
This standard specifies the materials, technical conditions, structural types and specifications of the four guide pillar upper die sets for press tools. This standard applies to the sliding guide die sets for press tools. Reference standards
GB/T12446 Technical conditions for die sets parts GB9439 Grey cast iron parts
3 Materials, technical conditions, structural types and specifications of die sets3.1 Material: HT200 GB9439.
3.2 Technical conditions shall be in accordance with the provisions of GB/T12446. 3.3 Structural types and specifications are shown in the figure and table.
Approved by the State Administration of Technical Supervision on July 23, 1990, 18
Implemented on May 1, 1991
GB/T 2855.13-90
L XB≤20k1×161
3.4 ​​Marking example:
GB/T 2855.13-90
L×B>2(KX160
Die perimeter L=200mm, B=160mm, thickness H=45mm, guide column upper die seat L: die seat 200×160×45GB/T2855.13Die perimeter
630400
GB/T 2855 .1390
240230
640390
D（H7）
M14—6H28
M16—6H3 2230
M20—6H40
M24-6H46500
die perimeter
1000500
GB/T 2855.13-90
7101010590
Note: The shape and plane dimensions of the press plate are determined by the manufacturer. Additional remarks:
This standard is proposed by the Ministry of Machinery and Electronics Industry of the People's Republic of China. This standard is under the jurisdiction of the National Technical Committee for Mould Standardization. 720bzxz.net
This standard was drafted by the Mould Branch of Guilin Electric Science Research Institute of the Ministry of Machinery and Electronics Industry. The main drafters of this standard are Wang Huachang and Qin Guangwei. This standard is entrusted to the Mould Branch of Guilin Electric Science Research Institute of the Ministry of Machinery and Electronics Industry for interpretation. 52
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