GOST 25408-90
GOST 25408−90 carbide brazed Plate type 20. The design and dimensions
GOST 25408−90
Group B56
INTERSTATE STANDARD
PLATE BRAZED CARBIDE
TYPE 20
The design and dimensions
Hard metal brazed tips, type 20.
Design and dimensions
ISS 25.100
77.160
OKP 19 6000
Date of introduction 1993−07−01
INFORMATION DATA
1. DEVELOPED AND INTRODUCED by the Ministry of metallurgy of the USSR
2. APPROVED AND put INTO EFFECT by Decision of the USSR State Committee on management of quality and standards from
3. REPLACE GOST 25408−82
4. REFERENCE NORMATIVE AND TECHNICAL DOCUMENTS
| The designation of the reference document referenced |
Item number |
| GOST 2209−90 | 5 |
| GOST 25393−90 |
3 |
5. REISSUE
1. This standard applies to inserts for end mills and Cakovec.
2. The design and dimensions of plates shall be as specified in the drawing and in the table.1.
________________
* Dimensions for molds.
Table 1
Dimensions in mm
| Marking plates |
The main application |
The additional use of |
Application by special order | |||||
| right |
left |
|||||||
| 20010 |
- |
10 |
8 |
2,5 |
8,0 |
N 2, N 3, N 4, N 9 |
N 5, N 8, N 10, N 11, N 12 |
N 13 |
| 20030 |
- |
12 |
10 |
10,0 |
N 2, N 3, N 4, N 9 |
N 5, N 8, N 10, N 11, N 12 |
N 13 | |
| 20050 |
- |
15 |
12 |
3,0 |
12,5 |
N 2, N 3, N 4, N 5, N 9, N 10 |
N 8, N 11, N 12 |
N 13 |
| 20070 |
20080 |
20 |
16 |
3,5 |
16,0 |
N 3, N 4, N 5, N 9, N 10 |
N 2, N 8, N 11, N 12 |
N 13 |
| 20090 |
20100 |
25 |
20 |
4,0 |
20,0 |
N 3, N 4, N 5, N 9, N 10 |
N 2, N 8, N 11, N 12 |
N 13 |
| 20130 |
20140 |
32 |
5,0 |
N 3, N 4, N 9, N 10 |
N 5, N 11, N 12 |
N 2, N 8, N 13 | ||
3. The symbol plates — according to GOST 25393.
4. Approximate weight plates provided in the application.
5. Technical requirements — GOST 2209.
6. Applicable grades: N 2 — T15K6; N 3 — Т14К8; N 4 — Т5К10; N 5 — ТТ10К8-B; N 8 — VK6-M, VK6-OM; N 9 — VK6; N 10 — VK8; N 11 — ВК10-HOM; N 12 — ТТ20К9; N 13-Т8К7.
APP
Reference
Table 2
Approximate weight plates
| Marking plates |
Rough weight of a plate g of hard alloy grades | |||||||||
| right |
left |
T15K6 |
Т14К8 |
Т5К10 |
ТТ10К8-B | VK6-OM, VK6-M, VK6 |
VK8 |
ВК10 HOM | ТТ20К9 | Т8К7 |
| 20010 |
- |
1,87 |
Of 1.88 |
2,12 |
2,20 |
2,47 |
2,44 |
2,46 |
Of 2.08 |
2,17 |
| 20030 |
- |
Of 2.78 |
2,80 |
3,15 |
3,27 |
3,67 |
3,63 |
3,66 |
3,09 |
3,22 |
| 20050 |
- |
Of 4.66 |
Of 4.66 |
5,22 |
5,59 |
6,06 |
Of 5.98 |
6,02 |
5,12 |
5,34 |
| 20070 |
20080 |
9,75 |
9,81 |
11,10 |
11,50 |
12,90 |
12,70 |
12,79 |
10,90 |
11,40 |
| 20090 |
20100 |
17,60 |
17,70 |
20,00 |
20,70 |
23,20 |
23,00 |
23,16 |
19,60 |
20,50 |
| 20130 |
20140 |
29,30 |
29,50 |
33,30 |
34,50 |
38,80 |
Of 38.30 |
38,57 |
32,60 |
Of 34.10 |
