Drive and brake for horizontal lathes
Drive and brake device for horizontal lathe: Horizontal lathe drive has gear rack drive: the power output from the motor is transmitted to the main shaft through the belt drive through the gearbox, and the position of the handle outside the gearbox and the headstock is changed to obtain different The gear sets mesh to achieve different spindle speeds. At the same time, the rotary motion of the main shaft is transmitted to the slide box through the reversing mechanism, the exchange gear, the feed box, and the light bar (or the lead screw), so that the slide box drives the knife holder to perform a linear feed motion along the bed. The main function of the brake device of the horizontal lathe is for the lathe parking process, which is used to overcome the rotational inertia of each moving part in the main shaft box, so as to control the spindle to stop rotating rapidly to shorten the auxiliary time and thereby install the brake on the horizontal lathe. The horizontal lathe uses a brake band brake, which is mainly composed of a brake wheel, a brake band and a lever. The brake wheel in the brake device is a steel disc connected with the shaft spline. The steel brake band and the inner side are fixed with a layer of steel mesh asbestos to improve the friction coefficient, and one end is linked with the spindle box body, and the other end is linked with the spindle box body. One end is fixed to the upper end of the lever, and the horizontal lathe brake belt can be adjusted to be elastic, and the spiral connecting the brake belt and the main shaft housing can be directly adjusted and placed.
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