GB/T 2855.8-1990 Narrow lower die seat with rear guide pin for die slide guide seat
Basic Information
Standard ID:
GB/T 2855.8-1990
Standard Name: Narrow lower die seat with rear guide pin for die slide guide seat
Chinese Name:
冲模滑动导向模座 后侧导柱窄形下模座
Standard category:National Standard (GB)
state:Abolished
Date of Release1990-07-23
Date of Implementation:1991-05-01
Date of Expiration:2008-10-01
standard classification number
Standard ICS number:Mechanical Manufacturing>>Chipless Processing Equipment>>25.120.30 Molding Equipment and Casting Equipment
Standard Classification Number:Machinery>>Process Equipment>>J46 Mold
Publication information
publishing house:China Standards Press
other information
Release date:1981-12-29
Review date:2004-10-14
Drafting unit:Guilin Electrical Research Institute
Focal point unit:National Technical Committee for Mould Standardization
Publishing department:National Standardization Administration
competent authority:National Standardization Administration
Introduction to standards:
GB/T 2855.8-1990 Punch die sliding guide die seat rear guide column narrow lower die seat GB/T2855.8-1990 standard download decompression password: www.bzxz.net
Some standard content:
National Standard of the People's Republic of China
Sliding guide die sets for punching dies
Narrow die sets with back guide pillars
Holder for slidlng guide die sets for press toolsDie holder for back pillar sets (narrow)Subject content and scope of application
GB/T 2855 .8 90
Replaces GB2855.8-81
This standard specifies the materials, technical conditions, structural types and specifications of narrow die sets with back guide pillars for punching die sliding guide die sets. This standard applies to sliding guide die sets for punching dies. Reference standards
GB/T12446 Technical conditions for die frame parts GB9439 Grey cast iron parts
Material, technical conditions, structural type and specifications of die base 3
3.1 Material: HT200 GB9439
3.2 Technical conditions shall be in accordance with the provisions of GB/T12446. 3.3 Structural type and specifications are shown in the figure and table.
Approved by the State Administration of Technical Supervision on July 23, 199026
Implemented on May 1, 1991bZxz.net
R10 ~ 20
3.4 Marking example:
GB/T 2855.8—90
Die perimeter L=315mm, B=100mm, thickness H=55mm, rear guide column narrow lower die seat: lower die seat 315×100×55GB/T2855.827
[]Die perimeter
GB/T2855.8—-
Note: (①The shape and plane dimensions of the platen are determined by the manufacturer. ②When installing B-type guide columns, d (R7) is changed to d (H7). Additional instructions ：
This standard was proposed by the Ministry of Machinery and Electronics Industry of the People's Republic of China. d(RT)
Basic scale
Limit deviation
This standard is under the jurisdiction of the National Technical Committee for Mold Standardization. This standard was drafted by the Mold Branch of Guilin Electric Science Research Institute of the Ministry of Machinery and Electronics Industry. d.
The main drafters of this standard are Wang Huachang and Qin Guangwei. This standard is entrusted to the Mold Branch of Guilin Electric Science Research Institute of the Ministry of Machinery and Electronics Industry for interpretation. 28
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