GB/T 2861.13-1990 Die guide device B type removable guide pin

GB/T 2861.13-1990 Die guide device B-type removable guide pin GB/T2861.13-1990 Standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Guide unit for press tools
Guide pillar with taper lead, type BSubject content and scope of application
GB/T 2861.13--90
Replaces GB2861.13-81
This standard specifies the materials, heat treatment, technical conditions, structural types and specifications of the taper lead, type B of the guide unit for press tools. This standard applies to rolling guide die frames for press tools. Reference standards
GB/T12446 Technical conditions for die frame parts GB/T2861.14 Die guide bushing
GB/T2861.15 Die guidebzxz.net
GB/T2861.16 Die guide
GB70 Hexagon socket head screw
YB9 chromium bearing steel technical conditions
3 Guide column materials, heat treatment, technical conditions, structural type and specifications 3.1 Material: GCr15YB 9.
3.2 Heat treatment: hardness HRC62~66.
According to the provisions of GB/T12446.
3.3 Technical conditions
3.4 ​​Structural type and specifications are shown in the table.
Approved by the State Bureau of Technical Supervision on July 23, 1990. 138
Implementation on May 1, 1991
GB/T2861.1390
3.5 Marking example:
Diameter d=20mm, height L. =160mm, thickness H=40mm B-type removable guide column: guide column B20×160×40GB/T2861.13
assembly mold base) GB/T2861.13
144×32
148×36
145×33
145×38
140×33
145×38
180×38
175×43
140×33
145×38
180×38
175×43
175×43
195×43
179× 47
200×47
175 ×48
195×48
175×48
195×48
GB /T 2861.13--90
GB /T 2861.14
18×39
20 ×39
No., name and standard number
GB/T 2861.15
12 × 58
8 ×34
GB/T 2861.16 /
14×15
16×20
M16×20 +M5 ×14
M8×280M16x16
Note: Quantity of item number 4 and item number 6: 2 pieces when d is less than or equal to 25mm, 3 pieces when d is greater than or equal to 28mm. 1.10
Taper 1:10
GB/T 2861.13—90
Appendix A
Structural type and specification of guide column
(Supplement)
d（h5)
Basic size
Limit deviation
Additional instructions:
GB/T2861.13—90
Assembly height
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 Mould Standardization. d2
This standard was drafted by the Mould 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 Mould Branch of Guilin Electric Science Research Institute of the Ministry of Machinery and Electronics Industry for interpretation. 142
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