GB/T 2851.7-1990 Die sliding guide die frame four guide column die frame

GB/T 2851.7-1990 Punch die sliding guide die frame four guide column die frame GB/T2851.7-1990 standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Sliding guide die sets for press tools
Four pillar die sets
Subject content and scope of application
GB/T 2851.7--90
Replaces GB 2851.781
This standard specifies the structural type, specifications and technical conditions of the four pillar die sets for sliding guide die sets. This standard applies to die sets for press dies. Reference standards
GB/T2854 Technical conditions for die frame
GB/T2855.13 Die sliding guide die base four guide pillars upper die base GB/T2855.14 Die sliding guide die base four guide pillars lower die base GB/T2861.1 Die guide device A-type guide pillar GB/T2861.6 Die guide device A-type guide sleeve 3
Structural type, specifications and technical conditions of die frame 3.1 Technical conditions shall comply with the provisions of GB/T2854. 3.2 Structural type 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, 1991www.bzxz.net
3.3 Marking example:
GB/T 2851.7—
Die perimeter L=250mm, B=200mm, closing height H=200～245mm, four-guide column die channel with level l accuracy: die frame 250×200×200~245
GB/T 2851.7
Die perimeter
Closing height
(reference number)
125160
Upper die seat
GB/T 2851.7-90
Part number, name and standard number
GB/T 2855.13|GB/T2
160 ×125×35
160 ×125×40
200×160×40
200×160×45
250×160×45
220265
170210
250×160)×50
25×200× 45
25×200～50
315×200 × 45
315 ×200 × 50
315250*50
315 × 25U × 55
160×125×40
160×125×50
200×160×45
200×160×55
250×160 × 50
250 ×200×50
250 ×200×60
315×200×55
315 ×-
GB/T 2861.6
85×33
95×38
100×38
28 ×
110*43
105×43
115×48
105×43
115 × 43
125×48
140×53
die perimeter
400250
closed height
(reference)
minimum maximum
GB/T 2851.7 -~ 90
part number, name and standard number
GB /T 2855.14
GB/T 2855.13
400 × 250 ×50
400 ×250 ×60
400 × 250 × 55
275320
1245290
305350
26)300
1290330||tt ||260300
400×315×55
400×315×60
500×315×55
500×315 ×60
630×315×55
630×315×65
500×400×55
500×400× 65
630 ×400 × 55
630 ×400 × 65
400×250×70
400×315×65
400 ×80
500 × 400 × 65
500×400×80
630 × 400 × 65
630 × 400 × 80
GB/T 2861,1
GB /T 2861.6
125×48
140×53
140×53
150× 58
14×53
150 ×58
150×53
160×63
150×53
160×63
150×53
160×63
Additional Notes:
GB/T2851.7--90
This standard was proposed by the Ministry of Machinery and Electronics Industry of the People's Republic of China. This standard was prepared by 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 Jia Guangwei. This standard was entrusted to the Mold Branch of Guilin Electric Science Research Institute of the Ministry of Machinery and Electronics Industry for interpretation. 5
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