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BN-K20 PCBN Inserts processing brake drum
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Machining Part：Brake Drum
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Machining Materials:FC250
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Workpiece Hardness:HB220~260
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Inserts Grade:BN-K20 WNGA080408-6S
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Cutting Type:Dry Cutting
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Cutting Parameters:ap=0.3mm,Fr=0.25mm/r,Vc=350m/min
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Testing Performance
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Inserts Materials
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Surface Roughness
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Linear Speed(m/min)
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Lifetime/edge
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Halnn BN-K20
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Ra1.0
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350
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120
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Coating Inserts
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Ra2.0
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150
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70
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From above chart, we can see the tool life of Halnn BN-K20 will be about 2 times of coating inserts.
