GOST 19072-80
GOST 19072−80 replaceable cutting Inserts carbide faceted round shape with a clearance angle, a hole and a chip breaking C-grooves on one side. The design and dimensions (with Amendments No. 1, 2)
GOST 19072−80
Group 56
INTERSTATE STANDARD
CUTTING INSERTS, REPLACEABLE CARBIDE FACETED
ROUND SHAPE WITH BACK ANGLE, WITH HOLE AND CHIP BREAKING C-GEOMETRY
GROOVES ON ONE SIDE
The design and dimensions
Round throw-away (indexable) carbide cutting inserts with end-clearance angle,
cylindrical holes and chip-breaking flutes on one face only. 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. REPLACE GOST 19072−73
4. REFERENCE NORMATIVE AND TECHNICAL DOCUMENTS
| The designation of the reference document referenced |
Item number |
| GOST 19042−80 |
5 |
| GOST 19086−80 |
6 |
5. The expiration time limit is removed by the Resolution of Gosstandart of the USSR from
6. EDITION with Amendments No. 1, 2, approved in October 1987, December 1990 (ICS 1−88, 4−91)
The requirements of this standard are mandatory.
(Added, Rev. N 2).
1. (Deleted, Rev. N 1).
2. The design and dimensions of plates shall be as specified in the drawing and in the table.
mm
| The marking plates of class of tolerance M |
|||||
| digital | alpha digital |
Applicability |
|||
| 12224−090300 | RCMM-090300 |
9,525 | 3,18 | 3,81 | |
| 12224−120300 | RCMM-120300 |
12,700 | 5,16 | ||
| 12224−150400 | RCMM-150400 |
15,875 | 4,76 | 6.35 mm | |
| 12224−190400 | RCMM-190400 |
19,050 | Of 7.93 | ||
| 12224−220600 | RCMM-220600 |
22,225 | 6.35 mm | ||
| 12224−250700 | RCMM-250700 |
25,400 | Of 7.93 | 9,12 | |
Example of designation when ordering plates of hard alloy material VK8 class of tolerance M, diameter =9.525 mm:
19 6525
2059 090300
(Changed edition, Rev. N 1).
3. The shape and dimensions of a chip breaking C-grooves are provided in Annex 1 GOST 19071.
4. Approximate weight plates specified in Appendix 1.
5. The notation of plates according to GOST 19042.
6. Technical requirements — GOST 19086.
7. Applied alloys is given in Appendix 2.
(Added, Rev. N 2).
ANNEX 1
Reference
Approximate weight plates
| Marking plates | Approximate weight of plates, g, carbide grades |
Approximate weight of plates, g, of a solid coated carbide grades | ||||||
| VK6 | VK8 | Т5К10 | Т14К8 | T15K6 | ВП1255 | ВП3115 |
ВП3325 | |
| 12224−090300 |
2,44 | 2,41 | 2,12 | Of 1.91 | Of 1.88 | 2,24 | 2,44 | 2,41 |
| 12224−120300 |
4,28 | Of 4.23 | 3,71 | 3,36 | 3,30 | 3,93 | 4,28 | Of 4.23 |
| 12224−150400 |
10,20 | 10,00 | 8,79 | 7,96 | 7,83 | 9,30 | 10,20 | 10,00 |
| 12224−190400 |
14,10 | 13,90 | 12,20 | 11,10 | 10,90 | Of 12.92 | 14,10 | 13,90 |
| 12224−220600 |
Of 26.90 | 26,50 | 23,30 | 21,00 | 20,60 | 24,64 | Of 26.90 | 26,50 |
| 12224−250700 |
17,40 | 46,80 | 41,00 | 37,20 | 36,50 | 43,52 | 47,40 | 46,80 |
APPENDIX 1. (Changed edition, Rev. N 2).
APPENDIX 2 (recommended). Applied grades of plates
ANNEX 2
Recommended
| Marking plates | The main application | The additional use of |
Application by special order |
| 12224−090300 | - | - | N 3, N 4, N 5, N 6, N 7, N 9, N 10, N 11 |
| 12224−120300 | - | N 3, N 9 | N 4, N 5, N 6, N 7, N 10, N 11 |
| 12224−150400 | N 4, N 5, N 6, N 7 |
N 3, N 9, N 11 | N 10 |
| 12224−190400 | N 4 | N 10 | N 3, N 5, N 6, N 7, N 9, N 11 |
| 12224−220600 | - | N 7 |
N 3, N 4, N 5, N 6, N 9, N 10, N 11 |
| 12224−250700 | N 5 | N 11 | N 3, N 4, N 6, N 7, N 9, N 10, N 11 |
N 3 — VK6; N 4 — VK8; N 5 — Т5К10; N 6 — Т14К8; N 7 — T15K6; N 9 — ВП3115; N 10 — ВП3325; N 11 — ВП1255.
APPENDIX 2. (Added, Rev. N 2).
