(1) the selection of the abrasive
Should be selected according to the parts to be machined of the base material and polishing requirements abrasive type, shape and particle size, usually need to go through a polishing (grinding) after the test results in order to final decision.
Usually metal parts polishing hard abrasives, plastics and other soft parts accounted for the flora and fauna and a mixture of hard abrasive polishing. The polished optical decorated high surface quality requirements should be used when the shape is sleek abrasive. The size of the abrasive should be greater than 1/3 of the part the inner bore is still small, but not too small, so as to avoid holes are abrasive clogging.
In order to improve the effectiveness and productivity of the polisher, select the a suitable abrasive parts volume ratio. If the ratio is too low, the surface light decoration quality is bad; if the ratio is too high, the efficiency is low, and shapes according to the parts of the material being polished to select the appropriate abrasive parts by volume ratio.
Of course, if you encounter intractable, it may be appropriate to increase the ratio of abrasive, and tested selected abrasive parts volume ratio.
(2) choice of grinding fluid
Used chemical enhancers (grinding fluid) soap, saponins powder, laundry detergent and surfactant cleaner. Degreasing solution should be chosen depending on the matrix material. The wet polisher grinding media plus chemical accelerators, and its main function: ① the parts and abrasive cleaner and prevent it from rusting; ② the parts and abrasive surface lubrication to prevent abrasive bonded into a group.
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