GB/T 2855.9-1990 Die sliding guide die seat intermediate guide column upper die seat
Basic Information
Standard ID:
GB/T 2855.9-1990
Standard Name: Die sliding guide die seat intermediate guide column upper die seat
Chinese Name:
冲模滑动导向模座 中间导柱上模座
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 2855.9-1990 Die sliding guide die seat intermediate guide pillar upper die seat GB/T2855.9-1990 standard download decompression password: www.bzxz.net
Some standard content:
National Standard of the People's Republic of China
Sliding guide die sets for punches
Middle guide pillar upper die sets
Holder for sliding guide die sets for press dless toolsPunch holder for center pillar setsSubject content and scope of application
GB/T 2855.9 --90
GB2855.9 --81
This standard specifies the materials, technical conditions, structural types and specifications of the middle guide rod upper die sets for punch sliding guide die sets. This standard applies to punch sliding guide die sets. 2 Reference standards
GB/T12446 Technical conditions for die set parts GB9439 Grey cast iron parts
3 Materials, technical conditions, structural types and specifications of die sets3.1 Material: HT200GB9439.
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 Bureau of Technical Supervision on July 23, 1990, implemented on May 1, 1991
GB/T 2855.990
L×B200×16)
The rest 9
3.4 Marking example:
GB/T 2855 .9 --90
LXB>200×160
Die perimeter L=200mm, B=160mm, thickness H=45mm, middle guide column upper die seat: 200×160×45GB/T2855.9
Upper die seatwwW.bzxz.Net
The rest 9
[called die perimeter
GB/T 2855.9--90
D (H7
Basic size
1703860
D, (H7)
Limit deviation) Basic size limit deviation
Die perimeter
500500
GB/T2855.9--90
360230
260210370|270310
325260445330
410325550400
510|510|655590
Note: The shape and plane size of the press plate are determined by the manufacturer. D (H7)
Basic size limit deviation
D, (H7)
Basic size limit deviation
M16-28
GB/T2855.9—90
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 Mold Standardization. This standard was drafted by the Mold 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 Mold Branch of Guilin Electric Science Research Institute of the Ministry of Machinery and Electronics Industry for interpretation. 34
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