GOST 24255-80
GOST 24255−80 replaceable cutting Inserts carbide faceted diamond shaped with an angle of 55° and the hole. The design and dimensions (with Change No. 1)
GOST 24255−80
Group 56
INTERSTATE STANDARD
CUTTING INSERTS, REPLACEABLE CARBIDE FACETED
RHOMBIC SHAPE WITH AN ANGLE OF 55° AND A HOLE
The design and dimensions
Rhombic throw-away (indexable) carbide cutting inserts with 55°
included angle and cylindrical holes. Design and dimensions
ISS 25.100
77.160
OKP 19 6000
Date of introduction 1982−01−01
INFORMATION DATA
1. DEVELOPED AND INTRODUCED by the Ministry of nonferrous metallurgy of the USSR
2. APPROVED AND put INTO EFFECT by Decision of the USSR State Committee for standards from
3. In this standard introduced by the international standard ISO 3364−85 «Plate replaceable tungsten carbide with corner radii with cylindrical fixing hole. Dimensions» in terms of inserts DNMA.
4. INTRODUCED FOR THE FIRST TIME
5. REFERENCE NORMATIVE AND TECHNICAL DOCUMENTS
| The designation of the reference document referenced |
Item number |
| GOST 19042−80 |
4 |
| GOST 19086−80 |
5 |
6. The expiration time limit is removed by the Resolution of Gosstandart of the USSR from
7. EDITION with Change No. 1, approved in December 1990 (IUS 4−91)
The requirements of this standard are mandatory.
(Added, Rev. N 1).
1. (Deleted, Rev. N 1).
2. The design and dimensions of plates shall be as specified in the drawing and in the table.
________________
* Size for reference.
mm
| The marking plates of class M tolerance |
||||||||
| digital | alphanumeric | The prima haemost* |
||||||
| 13123−150408 |
DNMA-150408 | 15,5 | 12,700 | 5,16 | 4,76 | 0,8 | 6,478 | |
| 13123−150412 |
DNMA-150412 | 1,2 | 6,015 | |||||
| 13123−150608 |
DNMA-150608 | 6.35 mm | 0,8 | 6,478 | ||||
| 13123−150612 |
DNMA-150612 | 1,2 | 6,015 | |||||
| 13123−150616 |
DNMA-150616 | 1,6 | 5,552 | |||||
| 13123−190608 |
DNMA-190608 | 19,3 | 15,875 | 6.35 mm | 6.35 mm | 0,8 | 8,327 | |
| 13123−190612 |
DNMA-190612 | 1,2 | 7,865 | |||||
| 13123−190616 |
DNMA-190616 | 1,6 | 7,402 | |||||
________________
* See Appendix 3.
Example of designation when ordering plates from a firm alloy T15K6 brand, cutting edge length =15.5 mm, thickness
=4.76 mm, radius
=0,8 mm:
19 6613
0443 150408
3. Approximate weight plates specified in Appendix 1.
4. Designation system plates according to GOST 19042.
5. Technical requirements — GOST 19086.
6. Applicable grades listed in Appendix 2.
(Added, Rev. N 1).
ANNEX 1
Reference
mm
| Digital signage plates | Approximate weight of plates, g, of a solid alloy grades | ||
| Т5К10 |
Т14К8 | T15K6 | |
| 13123−150408 |
Of 8.52 | Of 7.72 | 7,58 |
| 13153−150412 |
8,35 | 7,57 | 7,44 |
| 13123−150608 |
11,40 | 10,30 | 10,10 |
| 13123−150612 |
11,10 | 10,10 | 9,93 |
| 13123−150616 |
10,80 | Of 9.79 | 9,62 |
| 13123−190608 |
17,90 | 16,20 | 15,90 |
| 13123−190612 |
17,60 | 16,00 | 15,70 |
| 13123−190616 |
17,30 | 15,70 | 15,40 |
APPENDIX 1. (Changed edition, Rev. N 1).
APPENDIX 2 (recommended). Applied grades of plates
ANNEX 2
Recommended
| Digital signage plates |
The main application | Application by special order |
| 13123−150408 | N 7 | N 5, N 6 |
| 13123−150412 |
- | N 5, N 6, N 7 |
| 13123−150608 |
||
| 13123−150612 |
||
| 13123−150616 |
||
| 13123−190608 |
||
| 13123−190612 |
||
| 13123−190616 |
N 5 — Т5К10; N 6 — Т14К8; N 7 — T15K6
APPENDIX 3 (reference). The applicability of the plates
APPENDIX 3
Reference
| Marking | Plate without a chip breaking C-grooves | |||||
the radius | ||||||
| 0,4 |
0,8 | 1,2 | 1,6 | 2,4 | ||
| 12,7 | DNMA 1504 |
++ | ++ | ++ | ++ | +++ |
| DNMA 1506 |
+++ | ++ | ++ | ++ | ++ | |
| 15,875 | DNMA 1906 |
+++ | ++ | ++ | ++ | ++ |
Note. + — plates of the basic application, standardized.
++ — plates have limited use, not standardized.
+++ — plates are not recommended for use.
APP 2, 3. (Added, Rev. N 1).
