GB/T 2855.1-1990 Die sliding guide die seat diagonal guide column upper die seat

This standard specifies the materials, technical conditions, structural types and specifications of the upper die seat of the diagonal guide column of the die sliding guide die seat. This standard is applicable to the upper die seat of the diagonal guide column of the die sliding guide die seat. GB/T 2855.1-1990 Die sliding guide die seat upper die seat with diagonal guide column GB/T2855.1-1990 Standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Sliding guide die sets for press tools
Holder for sliding guide die sets for press toolsPunch holder for diagonal pillar setsSubject content and scope of application
GB/T 2855.1—90
GB 2855.1 --81
GB 2855.3—81
This standard specifies the materials, technical conditions, structural types and specifications of the diagonal guide pillar upper die sets for press tools. This standard applies to the sliding guide die sets of press tools. Reference standards
GB/T12446 Technical conditions for die sets parts GB9439 Grey cast iron parts
Materials, technical conditions, structural types and specifications of die sets3
3.1 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 and implemented on May 1, 1991
GB / T 28 55 .1 90
20X160
GB/T2855.1--90
L×B >20 ×16)
3.4 ​​Marking example:
=200mm, B=160mm, thickness H=45mm, diagonal guide column seven mold base: called mold perimeter L
E mold base 200×160×45GB/T2855.1
Mold perimeter
GB/T 2855.1--90
DI(H7)
Die perimeter
200160
GB/T 2855.1—90
[B[2B2
360230310
370270310
315315
260445330385
325550400475
510650|590580
Note: The shape and plane dimensions of the press plate are determined by the manufacturer. R
Basic limit
Dimension deviation
Basic limit
Dimension deviation
M14—
60+0.03065
GB/T2855.1--90
Additional instructions:
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.bzxz.net
This standard is entrusted to the Mold Branch of Guilin Electric Science Research Institute of the Ministry of Machinery and Electronics Industry for interpretation.
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