drill lip clearance 钻刀余隙角
drill lip angle 钻刀角
three-lip core drill [机] 三缘空心钻头
Two key factors for drilling high quality holes of carbon fibre reinforced plastics, which are to keep the fine sharpness of the cutting lip of the drill and to use high drilling speed are discussed.
探讨了获得钻削碳纤维复合材料高质量孔的两个关键因素：保持钻头切削刃的良好锋利性和采用高的钻削速度。
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