Chipbreaker | Features | Application | Cutting Edge |
PF |
First choice chipbreaker for finishing steels. The dimple structure decreases the contact area between the insert surface and chips.resulting in significant reduction of heat occurrence. |
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PM |
General purpose chipbreaker used for medium cutting. Unique chipbreaker geometry with sharp edges and large rake angle assures free cutting action in a wide range of cutting conditions. |
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PR |
For rough machining of carbon steel, cast steel and alloy steel. The combination of variable rake angle and variable edge width meets the sharpness and strength requirements of different depths of cut. |
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PH |
For heavy cutting of carbon steel,cast steel and alloy steel. Variable edge and stepped chipbreaker for low cutting resistance. Straight cutting edge and chamfer making the cutting sharpness and cutting edge strength is guaranteed at the same time. |
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PS |
3-dimensional chipbreaker designed to have excellent chip control capanbility and low cutting force in finishing to medium cutting. Low cost,M-class positive insert used for high efficiency in a wide range of applications. |
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Negative inserts
ISO | Operation | Chipbreaker | Grade | ap(mm) | f(mm/rev) | Vc(m/min) |
P | Finishing | PF | TP710 | 0.5-2.0 | 0.08-0.45 | 150-360 |
TP720 | 120-280 | |||||
Medium cutting | PM | TP710 | 1.0-4.0 | 0.15-0.40 | 150-360 | |
TP720 | 120-280 | |||||
Heavy cutting | PR | TP710 | 2.0-6.5 | 0.25-0.60 | 150-360 | |
TP720 | 120-280 | |||||
PH | TP710 | 3.0-12.0 | 0.30-1.00 | 150-360 | ||
TP720 | 120-280 |
Positive inserts
ISO | Operation | Chipbreaker | Grade | ap(mm) | f(mm/rev) | Vc(m/min) |
P | Finishing to Medium cutting |
PS | TP710 | 0.5-2.5 | 0.1-0.3 | 150-360 |
TP720 | 120-280 | |||||
Heavy cutting | HR | TP710 | 2.0-5.0 | 0.6-1.2 | 100-300 |
Workingpiece Type |
Bolt |
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Work Material |
SCM415 |
|
Inserts |
CNMG120408-PF |
|
Grade |
TP710 |
|
Cutting Conditions |
VC=150(m/min) |
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f=0.1(mm/rev) |
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ap=0.5(mm) |
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Cooling From: Wet |
Workingpiece Type |
Flange |
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Work Material |
45# |
|
Inserts |
CNMG120408-PM |
|
Grade |
TP720 |
|
Cutting Conditions |
VC=220(m/min) |
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f=0.2(mm/rev) |
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ap=3(mm) |
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Cooling From: Wet |