Coated CBN - SUMIBORON/ CBN - SUMIBORON BNC8115/BNS8125
CBN - SUMIBORON BNS8125
Optimizing the grain size distribution of the CBN particles has resulted in improved chipping resistance and longer life while maintaining wear resistance during gray cast iron machining
█ Wear Resistance (Gray Cast Iron Machining) Optimized grain size distribution of CBN particles Realizes excellent wear resistance in high-ef ciency gray cast iron machining
.0060
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Competitor's Product
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.0045
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█
█
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█ █
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.0030
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BNS8125
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.0015
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BNS8125 (After Cutting 5:40 (min:sec))
Competitor's Product (Uncoated) (After Cutting 5:40 (min:sec))
0
1:15 2:30 3:45 5:00 6:15
Cutting Time (min:sec)
Part Material: Gray Cast Iron - FC300 (Round Bar) Tool Used: SNG322 Cutting Conditions: v c = 2,625 SFM, f = .003 IPR, a p = .008” Wet
█ Fracture Resistance (Ductile Cast Iron Machining) Use of high-strength solid CBN substrate improves fracture resistance Suppresses chipping to realize longer tool life
Improved chipping resistance
BNS8125 (After Cutting 45:00 (min:sec))
Conventional Tool (Uncoated) (After Cutting 45:00 (min:sec))
Part Material: Ductile Cast Iron - FCD450 (Round Bar with 2 V-grooves) Tool Used: SNG432 Cutting Conditions: v c = 656 SFM, f = .008 IPR, a p = .02” Wet
4
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