GB/T 2861.8-1990 C-type guide sleeve for die guides
Basic Information
Standard ID:
GB/T 2861.8-1990
Standard Name: C-type guide sleeve for die guides
Chinese Name:
冲模导向装置 C型导套
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 Appliance 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 2861.8-1990 C-type guide sleeve for punch guide device GB/T2861.8-1990 Standard download decompression password: www.bzxz.net
Some standard content:
National Standard of the People's Republic of China
Guide bushes, type C
Subject content and scope of applicationwww.bzxz.net
GB/T 2861.8—90
Replaces GB2861.8—81
This standard specifies the materials, heat treatment, technical conditions, structural types and specifications of C-type guide bushes for die guide devices. This standard is applicable to die rolling guide die sets. 2 Reference standards
GB/T12446
Technical conditions for die set parts
Technical conditions for YB9 chrome bearing steel
Materials, heat treatment, technical conditions, structural types and specifications of guide bushes 3
3.1 Material: GCr15 YB 9.
3.2 Heat treatment: hardness HRC62~66.
3.3 Technical conditions shall comply with the provisions of GB/T12446. 3.4 Structural types and specifications are shown in the figure and table.
Approved by the State Administration of Technical Supervision on July 23, 1990, implemented on May 1, 1991
GB/T 2861.8-90
R*Electrical Manufacturing Advertisement Decision.
3.5 Marking example:
C-type guide sleeve with diameter d=28mm, length L=100mm, H=38mm: Guide sleeve C 28× 100 ×38 GB/T 2861.816
Other 6.3
Basic dimensions
Basic dimensions
GB/T 2861.8--90
D (m5)
Matching requirements
Matching with C-type guide
column should
have 0.01
interference
Additional instructions:
This standard was 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. Limit deviation
This standard was drafted by the Mould Branch of Guilin Electrical Science Research Institute of the Ministry of Machinery and Electronics Industry. The main drafters of this standard are Wang Huachang and Qin Guangwei. 3
This standard is entrusted to the Mold Branch of Guilin Electrical Science Research Institute of the Ministry of Machinery and Electronics Industry to interpret. 5
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