A068 •長度單位 Unit of Length (mm) INSERT 粒度及特性 -CBN CBN GRAIN SIZE & FEATURES CBN250 CBN300 CBN400 粒度Grain Size 1μm 硬度 Hardness 2400Hv 切削速度 Cutting Speed 100~400 Vc(m/min) 粒度Grain Size 2μm 硬度 Hardness 2400Hv 切削速度 Cutting Speed 100~400 Vc(m/min) 粒度Grain Size 3μm 硬度 Hardness 2400Hv 切削速度 Cutting Speed 800~220 Vc(m/min) 是耐磨與耐崩刃性的通用材質。適合 刀具使用壽命更長的應用。在對灰鑄 鐵和硬鑄鐵進行斷續加工、淬硬鋼銑 削對大多數鐵基閥座環加工時表現優 異。是大多數鐵基粉末金屬的優先選 擇材質。 CBN250 is a general material with high wear resistance and abrasion extending the tool life. Excellent performance on interruptedly cutting gray and hard cast iron, milling of quenched steel, and machining valve seat ring alloys. It is the most common material choice for powder metallurgy. 提高了粒子間的結合強度，是切刃強 度最高的材質。適用於所有常見硬化 鋼的中度到重度斷續車削。在韌性、 月牙灣和後刀面耐磨性之間實現很好 的平衡。還可用於鐵基閥座環的插銑 加工。 CBN300 is the strongest cutting edge material as it has a better bonding strength between particles. Applicable for moderate to heavy interrupted turning hardened steel. Perfect balancing between the toughness of the crater and the wear resistance of the flank. Idea for plunge milling the valve seat rings. 適用於汽車用鋼的輕度斷續切削，由 於具有較優的耐磨性，所以非常適用 在冷作工具鋼和某些閥座用合金。還 建議用於拋光粗糙的高強度鑄鐵。 It is suitable for continuous and lightly interrupted cutting of automotive industries. Excellent abrasion resistance makes CBN400 the ideal choice for cold work tool steels and certain valve seat alloys. It is also Recommendeded for finishing abrasive high strength cast irons. 超硬燒結合金 Super-hard sintered alloy 中切削硬化鋼 Interrupted cutting of hardened steel 連續〜輕切削加工 Continuous~ Light interrupted cutting
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