chipbreaker and grade Information
chipbreaker
DTF special chip breaker designed to keep both sharp cutting edge
and good impact resistance ,which can efficiently avoid accumulate and suitable for semi-finishing ISO P steel .
| Type of processing | P | M | K | N | S |
| Finishing | DPF/DTF | DMF |
| AK |
|
| Semi finishing | DPM/DPMK/TM | DMM/DMA | DZT/GHB | ALH |
|
| Roughing | DPR/DTR | DTR | Flat |
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Grade Information
1.General chip breaker,suitable for ISO M materials
2. CVD coating : High Co content and fine WC grain substrate ,gives wonderful cutting edge strength,combines with good thermal stability silicon coating ,it has very small coefficient of friction ,and good nano hardness
P Steel | M Stainless steel | K Cast Iron | N aluminum |
| CVD | PVD | CVD | Non-Coating |
| P10 | P20 | P30 | P40 | M10 | M20 | M30 | K10 | K20 | K30 | N20 |
| DH1210 | DH1220D | DH1220 | DH1230 | DP3210 | DP3220 | DP3120 | DO2110 | DO2220 | DO2120 | AK10 |
| DH4100 | DH4200 | DH4130 |
specification
| Size | Model | DH1110P | DH1120P | DH1210 | DH1220 | DP3120 | DP3220 |
| DNMG150404/8 | DMA | P10 Gold Yellow | P20 Gold Yellow | P10 Black | P20 Black | M20 Grey | M20/P20 Purple |
| DNMG150404/8 | TM | P10 Gold Yellow | P10 Gold Yellow | P10 Black | P20 Black | M20 Grey | M20 Grey |
| DNMG120404/8 | DPM | \ | P10 Gold Yellow | P10 Black | P10 Black | \ | \ |
| DNMG150604/8 | DMA | P10 Gold Yellow | P10 Gold Yellow | P10 Black | P20 Black | M20 Grey | M20 Grey |
| DNMG150604/08 | TM | P10 Gold Yellow | P10 Gold Yellow | P10 Black | P20 Black | M20 Grey | M20 Grey |
| DNMG150604/08 | DPM | \ | P10 Gold Yellow | P10 Black | P10 Black | \ | \ |
advantage
 DNMG Model Advantage:
DPM model is designed specially finishing machining for quenched steel up to 42HRC. This model is designed for stainless steel and cast iron as well with different coating .
DPMK Negative insert chipbreaker,the special three-dimensional groove design of double rake angle and variable edge width makes the cutting force small, the chip breaking range is wide, and the edge edge is sharper than epmk. Therefore,even when cutting alloy steel with high viscosity, it can obtain good surface quality; it also has good performance in the case of uneven processing of blank.
DTM Special chip breaker design to keep both sharp cutting edge and good impact resistance, which can efficiently avoid accumulated and suited for semi-finishing ISO M stainless steel material.
.DMA special chip breaker designed to keep both sharp cutting edge and good impact resistance, which can efficiently avoid accumulating and suitable for semi-finishing ISO M and ISO P20-P30 steel material.
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Model Features
For more details ,please contact us
| Picture | Dodel Name | Aplication | Chipbreaker characteristic |
 | DPM | Semi-Finishing | DPM Semi-Finishing chip-breaker for steel machining and slight interrupted cutting ISO P tool steel material.Negative chamfer designation gives inserts good strength .The blade intensity and impact-resistance are increased ,it can efficiently break chip and extend chip breaker filed. |
 | DMA | Semi-Finishing | DMA special chip breaker designed to keep both sharp cutting edge and good impact resistance ,which can efficiently avoid accumulate and suitable for semi-finishing ISO M and ISO P material. |
 | PMK
| Semi-Finishing | DPMK Negative insert chipbreaker,the special three-dimensional groove design of double rake angle and variable edge width makes the cutting force small, the chip breaking range is wide, and the edge edge is sharper than epmk. Therefore,even when cutting alloy steel with high viscosity, it can obtain good surface quality; it also has good performance in the case of uneven processing of blank. |
 | DTM | Semi-Finishing | DTM Special chip breaker design to keep both sharp cutting edge and good impact resistance, which can efficiently avoid accumulated and suited for semi-finishing ISO M meterial. |
 | TM | P-General | TM Designed special for steel .Its variable front Angle, variable cutting depth and large range of width,suitable for steel |
 | DTF | P(Hardness Steel) - General | DTF Double-sided trigon insert, positive rake angle that varies along the edge to negative in order to prevent chipping. Special design reduces cratering. |
 | DMA | M /P - General | General chip breaker,suitable for ISO M materials |
 | DMS | M-General | General chip breaker,suitable for ISO M materials |
Application Cases
Application Cases For Steel
| Negative chamfer designed on sharp blade, blade intensity and impact-resistance are increased, it can efficiently break chip and extend chip break filed. DPM is suitable for semi-finishing and slight interrupted cutting ISO P material. |  |  |
| Application Case 1: Cutting for steel | Application Case 2: Cutting for steel |
| Customer: | XX company | Customer: | XX company |
| Workpiece: | outer bearing | Workpiece: | outer bearing |
| Workpiece material: | Gcr15 | Workpiece material: | 65# forge steel |
| Lathe type: | SK50P | Lathe type: | Horizontal steel |
| Dohre Insert: | WNMG080408 | Dohre Insert: | WNMG060412-DPM |
| Compare Insert: | well-known manufacturer | Compare Insert: | well-known manufacturer |
| Cooling type: | Fluid cooling | Cooling type: | No |
| Processing type: | External semi-finishing turning | Processing type: | End face and external |
| Cutting parameter | VC=393m/min,Fn=0.18mm/r,AP=1.0mm | Cutting parameter | VC=160m-220/min,Fn=0.2-0.28mm/r,AP=1.0mm |
| Test conclusion (Life-time) | Test conclusion (Life-time) |
| Well-known manufacturer | 70pcs | Well-known manufacturer | 40pcs |
| Dohre | 109pcs | Dohre | 70pcs |
