91麻豆精品一二三区在线

　　丝杠与光杠的区别

The difference between lead screw and light screw

　　丝杠与光杠：用以联接进给箱与溜板箱，并把进给箱的运动和动力传给溜板箱，使溜板箱获得纵向直线运动。丝杠是专门用来车削各种螺纹而设置的，在进行工件的其他表面车削时，只用光杠，不用丝杠。同学们要结合溜板箱的内容区分光杠与丝杠的区别。

Screw and light screw: used to connect the feed box and the slide box, and transmit the motion and power of the feed box to the slide box, so that the slide box can achieve longitudinal linear motion. The lead screw is specifically designed for turning various threads. When turning other surfaces of workpieces, only the bare screw is used, not the lead screw. Students need to differentiate between light screws and lead screws based on the content of the slide box.

　　溜板箱：是车床进给运动的操纵箱，内装有将光杠和丝杠的旋转运动变成刀架直线运动的机构，通过光杠传动实现刀架的纵向进给运动、横向进给运动和快速移动，通过丝杠带动刀架作纵向直线运动，以便车削螺纹。

Slide box: It is a control box for the feed motion of the lathe, which is equipped with a mechanism to convert the rotational motion of the light screw and the lead screw into the linear motion of the tool holder. The longitudinal feed motion, transverse feed motion, and rapid movement of the tool holder are achieved through the light screw transmission. The lead screw drives the tool holder to perform longitudinal linear motion for turning threads.

　　主要组成部件有：主轴箱、交换齿轮箱、进给箱、溜板箱、刀架、尾架、光杠、丝杠、床身、床脚和冷却装置。1797年，英国机械发明家莫兹利创制了用丝杠传动刀架的现代车床，并于1800年采用交换齿轮，可改变进给速度和被加工螺纹的螺距。1817年，另一位英国人罗伯茨采用了四级带轮和背轮机构来改变主轴转速。

The main components include: spindle box, exchange gearbox, feed box, slide box, tool holder, tailstock, light screw, lead screw, bed body, bed foot, and cooling device. In 1797, British mechanical inventor Mozley created a modern lathe with a screw driven tool holder, and in 1800, it adopted an exchange gear that could change the feed rate and the pitch of the processed threads. In 1817, another British man, Roberts, adopted a four stage pulley and back wheel mechanism to change the spindle speed.

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