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一、丝锥卡芯的渗硼处理丝锥卡芯的形状尺寸如图1所示。它主要用于夹持丝锥而进行自行车车条条帽的攻丝。使用时,丝锥柄部安放在卡芯中心(即图1中的φ2.2
First, the taping card core boronizing taping card shape and size shown in Figure 1. It is mainly used for clamping taps for tapping bicycle bar cap. Use, the tap handle placed in the center of the card (ie Figure 1 φ2.2