What Is The Basic Working Principle Of The Excircle Polishing Machine?

What is the basic working principle of the excircle polishing machine?

The working principle of polishing machine is similar to the pipe polishing machine, is the original reason of centerless grinding polishing and sent to two institutions, by adjusting the grinding feed of the workpiece can be made large amount of fine grinding or polishing, by adjusting the guide wheel spacing, can process the workpieces of different specifications, mechanism the stepless speed change device to the machine, by changing the feeding speed of workpiece, the workpiece to achieve the ideal polishing effect.


And according to the requirements of different materials and polishing a workpiece flexible selection of emery cloth wheel, flax wheel, cloth wheel, nylon wheel and other polishing tool on the workpiece grinding. The workpiece supporting plate is made of wear-resistant material, and it is not necessary to adjust frequently. When the workpiece specification changes, the machine adopts the structure of "one way, two way", so that the pallet adjustment work is greatly simplified. The whole production line consists of three parts: polishing machine, feeding device and discharging device. And there are standard type, automatic type, environmental protection type and economic type and other models for users to choose.


In order to improve the polishing speed, the external polishing machine should be carried out in two stages, namely rough polishing and fine polishing. The purpose is to remove the rough polishing polishing damage layer, this stage should have the maximum polishing rate, rough polishing surface damage is the formation of a secondary consideration, but also should be as small as possible; the second is fine polishing (or final polishing), its purpose is to remove the surface damage of rough polishing, polishing to minimize damage.


When polishing machine is polished, the sample grinding surface and the polishing disc should be absolutely parallel and uniformly pressed lightly on the polishing disc, and attention should be paid to prevent the sample from flying out and producing new grinding marks due to too much pressure. At the same time, the sample should be rotating and moving back and forth along the radius of the turntable, so as to avoid the local wear of the polishing fabric too quickly, and the suspension of fine powder should be added continuously during the polishing process so as to maintain a certain moisture content of the polishing fabric.


Fine polishing appropriately increasing the speed dial polishing time to remove the damaged layer of rough polishing is appropriate. After the fine grinding polishing bright as a mirror, can not see the scratches on the bright field microscope conditions, but in contrast lighting conditions will still see the marks. The polishing quality of the polishing machine seriously affects the structure of the sample, and has gradually attracted the attention of the experts.


Only by understanding the basic working principle of the external polishing machine, can we better operate it, so as to play its greatest practical effect. With the continuous development of the cylindrical polishing machine, it will be applied to more fields.

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