Rules for use of sanding machine

Using the principle of 3. 1. 1 to choose reasonable abrasive belt type different machining workpiece shape of workpiece material, different chooses abrasive belt model is different, the selection of abrasive belt type mainly from the matrix materials, abrasive materials, the types of adhesive and abrasive belt joint way four aspects to choose. On the literature of this knowledge in domestic has been reported many times, here no longer introduced in this paper. 3. 1. 2 to choose the appropriate particle size only to choose the appropriate particle size of abrasive belt to ensure the quality of processing the surface of the workpiece and improve the service life of the abrasive belt. If choose sand with grain size number is too small, can't guarantee the machining surface quality. If with abrasive belt size is too big, abrasive belt when use easy to wrinkle and fracture, reduce the service life of abrasive belt. 3. 1. 3 multichannel abrasive belt grinding process of liu du degree if choose a workpiece using multichannel abrasive belt grinding process, using abrasive belt granularity after compared with the previous way jump can be at most two grain sizes, only in this way, can play the abrasive belt grinding efficiency, to ensure machining workpiece size and shape of the workpiece surface quality. 3. 1. 4 multichannel grinding of abrasive belt grinding process in addition to the two process quantity distribution: QianHouDao distribution than 85/15; The distribution of three procedures: QianHouDao than 65/25/10; The distribution of the four procedures: QianHouDao than 50/30/12/8 3. 1. 5 abrasive belt running direction of choice when using the lap belt, to make the abrasive belt running direction with abrasive belt of the logo on the back in the same direction, or abrasive belt are prone to premature rupture in use process, and affect the quality of machining surface. When using the docking abrasive belt can not consider of the abrasive belt running direction. 3. 2 belt grinding problems and solutions which were liable to occur only when the abrasive belt grinding grain of basic grinding blunt, loss of abrasive belt grinding performance is the end of the normal service life of abrasive belt. But, in the actual process of abrasive belt grinding of abrasive belt quality is bad, the quality of the workpiece is bad, the equipment problems and improper operation, can also cause abrasive belt in grinding grain not dull when scrap.