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为了提高攻丝精度,采用一种差动螺母的靠模攻丝机构。其机构原理如图所示。攻丝接杆10的尾柄装在攻丝主轴8的中孔内,而在该接杆的中孔内则装有接杆5的柄部。在这两个接杆10及5的外圆周
In order to improve the tapping accuracy, using a differential nut by tapping mechanism. The principle of its organization as shown. Tailstock taper rod 10 is mounted on the tapping spindle 8 in the middle hole, and in the middle of the post hole is equipped with a stem 5 of the post. Outer circumference of the two posts 10 and 5