GOST 24248-80
GOST 24248−80 cutting Inserts, replaceable carbide faceted square shape, with a hole and a chip breaking C-grooves on two sides. The design and dimensions (with Amendments No. 1, 2, 3)
GOST 24248−80
Group 56
INTERSTATE STANDARD
CUTTING INSERTS, REPLACEABLE CARBIDE FACETED
SQUARE SHAPE WITH HOLE AND CHIP BREAKING C-GEOMETRY
GROOVES ON TWO SIDES
The design and dimensions
Square throw-away (indexable) carbide cutting inserts with cylindrical
holes and chip-breaking flutes on both faces. 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 SNMG
4. INTRODUCED FOR THE FIRST TIME
5. REFERENCE NORMATIVE AND TECHNICAL DOCUMENTS
| The designation of the reference document referenced |
Item number |
| GOST 19042−80 |
5 |
| GOST 19086−80 |
6 |
6. The expiration time limit is removed by the Resolution of Gosstandart of the USSR from
7. EDITION with Amendments No. 1, 2, 3, approved in October 1984, April 1987, December 1990 (IUS 2−85, 8−87, 4−91)
The requirements of this standard are mandatory.
(Added, Rev. N 3).
1. (Deleted, Rev. N 2).
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* |
|||||
| 03125−090304 | SNMG-090304 | 9,525 | 3,18 | 0,4 | 1,808 |
3,81 | |
| 03125−090308 | SNMG-090308 | 0,8 | 1,644 |
||||
| 03125−120404 | SNMG-120404 | 12,700 | 4,76 | 0,4 |
2,465 | 5,16 | |
| 03125−120408 | SNMG-120408 | 0,8 | 2,301 |
||||
| 03125−120412 | SNMG-120412 | 1,2 | 2,137 |
||||
| 03125−150412 | SNMG-150412 |
15,875 | 1,2 | 2,795 | 6.35 mm | ||
| 03125−150416 | SNMG-150416 | 1,6 | 2,630 |
||||
| 03125−150608 | SNMG-150608 | 6.35 mm | 0,8 | 2,959 |
|||
| 03125−150612 | SNMG-150612 | 1,2 | 2,795 |
||||
| 03125−190612 | SNMG-190612 | 19,050 | 1,2 | 3,452 |
Of 7.93 | ||
| 03125−190616 | SNMG-190616 | 1,6 | 3,288 | ||||
| 03125−250716 |
SNMG-250716 | 25,400 | Of 7.93 | 1,6 | 4,598 | 9,12 | |
| 03125−250724 | SNMG-250724 | 2,4 |
4,274 | ||||
________________
* See Annex 4.
Example of designation when ordering plates of hard alloy VK6 brand, class M tolerance, cutting edge length =9,525 mm radius
=0.4 mm:
19 6524
2055 090304
(Changed edition, Rev. N 2, 3).
3. The shape and dimensions of a chip breaking C-grooves are provided in Annex 1.
4. Approximate weight plates are given in Appendix 2.
5. The notation of plates according to GOST 19042.
6. Technical requirements — GOST 19086.
7. Applied alloys is given in Appendix 3.
(Added, Rev. N 3).
ANNEX 1
Recommended
The shape and dimensions of a chip breaking C-grooves on the front surfaces of the plates indicated in the drawing and in the table.
Dimensions, mm
| Digital signage plates |
|||||
| 03125−090304 |
0,2 | 1,50 | 0,8 | 0,22 | 26°10' |
| 03125−090308 |
|||||
| 03125−120404 |
1,95 | 1,2 | 0,24 | 17°30' | |
| 03125−120408 |
|||||
| 03125−120412 |
|||||
| 00125−150412 |
0,3 | Of 2.05 | |||
| 03125−150416 |
|||||
| 03125−190612 |
0,4 | 2,25 | 1,7 | 18°50' | |
| 03125−190616 |
|||||
| 03125−250716 |
0,8 | 2,80 | 2,0 | 17°30' | |
| 03125−250724 |
|||||
| 03125−150608 |
0,3 | Of 2.05 | 1,2 | ||
| 03125−150612 |
APPENDIX 1. (Changed edition, Rev. N 1).
ANNEX 2 (informative). Approximate weight plates
ANNEX 2
Reference
| Marking plates | Approximate weight of plates, g of solid alloy grades | |||||
| VK6 | VK8 | Т5К10 | Т14К8 | T15K6 | from tungsten carbide brand ТН20 | |
| 03125−090304 | 3,39 | 3,34 | 2,93 | Of 2.66 | 2,61 | 1,32 |
| 03125−090308 | 3,37 | 3,32 | Of 2.91 | 2,65 | 2,60 | Of 1.31 |
| 03125−120404 | 8,92 | 8,79 | Of 7.71 | 6,99 | 6,86 | 3,47 |
| 03125−120408 | Of 8.91 | Of 8.78 | 7,70 | Of 6.98 | 6,85 | 3,47 |
| 03125−120412 | Of 8.87 | Is 8.74 | 7,67 | 6,95 | Of 6.83 | 3,45 |
| 03125−150412 | 13,90 | Of 13.70 | 12,10 | 10,90 | 10,70 | 5,43 |
| 03125−150416 | 13,90 | Of 13.70 | 12,00 | 10,80 | 10,60 | 5,43 |
| 03125−190612 | 26,60 | 26,20 | 23,00 | Of 20.80 | 20,50 | - |
| 03125−190616 | 26,50 | 26,10 | 22,90 | 20,70 | 20,40 | - |
| 03125−250716 | 61,20 | 60,30 | 52,90 | 48,00 | 47,10 | - |
| 03125−250724 | 61,00 | 60,10 | 52,70 | 47,80 | 46,90 | - |
| 03125−150608 | 18,60 | 18,30 | 16,20 | Of 14.60 | 14,32 | 7,30 |
| 03125−150612 | 18,54 | 18,26 | 16,14 | Of 14.54 | Was 14.27 | 7,24 |
APPENDIX 2. (Changed edition, Rev. N 3).
APPENDIX 3 (recommended). Applied grades of plates
APPENDIX 3
Recommended
| Digital signage plates | The main application | The additional use of | Application by special order |
| 05125−120404 | N 1, N 3, N 2, N 7, N 11 |
- | N 5, N 6 |
| 05125−120408 | N 1, N 2, N 7, N 11 | N 5, N 6 | |
| 05125−120412 | |||
| 05125−160608 |
N 1, N 11 | N 5 | N 2, N 3, N 6, N 7 |
| 05125−160612 |
|||
| 05125−190608 |
N 5, N 11 | N 1 | N 3, N 2, N 6, N 7 |
| 05125−190612 |
N 5 | N 1, N 3, N 2, N 7 | N 6 |
| 05125−190616 |
N 1 — ВК10-HOM; N 2 — VK6-OM; N 3 — VK6; N 5 — Т5К10; N 6 — Т14К8; N 7 — T15K6; N 11 — ВП1255
ANNEX 4 (reference). The applicability of the plates
ANNEX 4
Reference
| Marking | Plate with a chip breaking C-grooves on two sides | |||||
the radius | ||||||
| 0,4 | 0,8 | 1,2 |
1,6 | 2,4 | ||
| 12,7 |
CNMG 1204 | + | + | + | ++ | +++ |
| 15,875 |
CNMG 1606 |
+++ | + | + | ++ | +++ |
| 19,05 |
CNMG 1906 | +++ | + | + | + | ++ |
| 25,4 |
CNMG 2509 | +++ | +++ | +++ | +++ | ++ |
Note. + — plates of the basic application, standardized.
++ — plates have limited use, not standardized.
+++ — plates are not recommended for use.
APPS 3, 4. (Added, Rev. N 3).
