GB/T 2852.4-1990 Punch die rolling guide die set rear guide column die set GB/T2852.4-1990 standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Ball slide. die sets for press toolsBack pillar die sets
Subject content and scope of application
GB/T 2852.4 --90
This standard specifies the structural type, specifications and technical conditions of the back pillar die sets of the rolling guide die sets for punching dies. This standard applies to die sets for punching dies. 2 Reference standards
GB/T2854
Technical conditions for die frame
GB/T 2856.7
Die rolling guide die seat
Rear guide pillar upper die seat
GB/T 2856.8
Rear guide pillar lower die seat
Die rolling guide die seat
GB/T 2861.3
Die guide device
Die guide device
GB/T 2861.8
GB/T 2861.10
Die guide device
Die guide device
GB/T 2861.11
C-type guide columnwwW.bzxz.Net
C-type guide sleeve
Steel ball retaining ring
Cylindrical helical compression spring
GB/T2861.16Die guide device
GB70Hexagon socket head screw
3Structural type, specification and technical conditions of die frame 3.1Technical conditions shall comply with the provisions of GB/T2854. 3.2Structural type and specifications are shown in the figure and table.
Approved by the State Administration of Technical Supervision on July 23, 1990 470
Implementation from 1991 to 05 01
GB/T2852.4--90
3.3 Marking example:
Die perimeter L=200mm, B=160mm, closing height H=220mm, rear guide post mold frame with 0T grade accuracy: mold frame 200×160×2200IGB/T2852.4171
Die perimeter
Maximum stroke design minimum
Closing height
GB/T2852.4—90
Upper mold seat
GB /T 2856.7
80×63×35
100 × 80 × 35
125×100×35
160×125×40
200×160×45
Lower die
GB/T 2856.8
80 ×63 × 40
100×80×40
125×100×45
160×125× 40
200 ×160 ×55
Note: ①The maximum stroke refers to the maximum punching stroke allowed by the die frame. ②The maximum number of item numbers 7 and 8: 4 items for L less than or equal to 125mm, and 6 items for L greater than 125mm. 172
Part number, name
GB/T 2861.3
18 ×160
20×160
22×160
25×195
28×215
and standard number
GB/T 2861.8
18×100 ×33
20 ×100 ×33
22×100 ×33
25×120×38
28×145×43
Ball retaining ring
GB/T 2861.10
18×23.5×64
20×25.5×64
22 ×27.5 × 64
25×32.5×76
28 × 35.5 ×84
GB /T 2852.4--90
GB/T 2861.11
22×27
24×72
1.6 × 26×62
30 × 87
32 ×77
Additional Notes:
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. Press
GB /T 2861.16
14×15
16×20
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. Screw
M5×14
M6×16
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