GB/T 2861.2-1990 Type B guide pins for die guides
Basic Information
Standard ID:
GB/T 2861.2-1990
Standard Name: Type B guide pins for die guides
Chinese Name:
冲模导向装置 B型导柱
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 2861.2-1990 B-type guide pin for die guide device GB/T2861.2-1990 Standard download decompression password: www.bzxz.net
Some standard content:
National Standard of the People's Republic of China
Guide pillars, type B
Subject content and scope of application
GB/T 2861.2--90
Replaces GB2861.2--81
This standard specifies the materials, heat treatment, technical conditions, structural types and specifications of guide pillars of type B for die guide devices. This standard is applicable to die sliding guide mold bases. Reference standards
GB/T12446 Technical conditions for die mold base parts GB699 Technical conditions for high-quality carbon structural steel
3 Materials, heat treatment, technical conditions, structural types and specifications of guide pillars 3.1 Material: 20 steel GB 699.
3.2 Heat treatment: carburizing depth 0.8~1.2mm, hardness HRC58~62. 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 96
Implementation on May 1, 1991
3.5 Marking examples
GB/T2861.2--90
Others6.3
GB145- H5
R* shall be determined by the manufacturer.
B-type guide column with diameter d=20mm, limit deviation h5, length L=120mm, (=30mm: Guide column B20h5×120×30GB/T2861.297
Basic dimensions
GB/T 2861.2—90
d,(r6)
Basic dimensions
Limit deviation
Basic dimensions
(h5）
GB/T 2861.2-90
d,(r6)
Limit deviation
Basic dimensions
Basic dimensions
(h6）
GB/T 2861.2--90
d,(r6)
Basic dimensions
Limit deviation
Basic dimensions
GB/T2861.290
d,(r6)
Basic dimensions
Note: When this type of guide pin is used, the limit deviation of the mounting hole of the lower die seat is H7. Limit deviation
GB/T2861.2--90bZxz.net
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. This standard is entrusted to the Mold Branch of Guilin Electric Science Research Institute of the Ministry of Machinery and Electronics Industry for interpretation. 102
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