Do Polishing Tools for Mirror Polishers Need Regular Replacement? How to Judge the Replacement Timing
The polishing tools (such as polishing wheels and polishing pads) of mirror polishers are the "direct executors" for achieving mirror-like effects. Their wear level directly affects the processing quality of mirror polishers, so regular replacement is essential, and there are clear judgment standards—similar to how daily tools need regular replacement to ensure effectiveness.
Different types of polishing tools are suitable for different processing scenarios of mirror polishers, and their replacement logic and judgment timing also vary:
- Wool Wheels: Mostly used in the metal fine polishing process of mirror polishers. Under normal use, after polishing 50-100 pieces of 100mm×100mm stainless steel workpieces with the mirror polisher, if obvious wear and tangling of wool fibers are observed, and the polishing efficiency of the mirror polisher decreases by more than 30%, continued use will cause the workpieces to lose luster, and immediate replacement is required.
Before replacement, clean the residual abrasives on the surface with alcohol to avoid contaminating the new wheel and ensure stable subsequent processing quality of the mirror polisher.
- Polyurethane Polishing Pads: Suitable for the polishing needs of non-metallic materials such as glass and ceramics with mirror polishers, with a service life of approximately 200-300 hours. When it is found that the "grooves on the surface of the polishing pad become shallow" or the Shore D hardness increases by 5-8 degrees through hardness testing, it will cause uneven distribution of the grinding fluid in the mirror polisher and greater fluctuations in the surface roughness of the workpieces, so timely replacement is necessary.
After installing the new pad on the mirror polisher, it needs to be ground with a diamond dresser for 10-15 minutes to ensure the surface flatness is ≤ 0.002mm, so as to meet the high-precision processing requirements of the mirror polisher.
- Asphalt Polishing Wheels: Used in the ultra-mirror processing link of mirror polishers. Before use, fine abrasives are needed for "edge opening" to expose the fresh asphalt surface. After being used 10-15 times with the mirror polisher, if scratches and depressions appear on the surface and the adhesion of abrasives decreases, which will affect the ultra-precision polishing effect of the mirror polisher, it needs to be re-cast or directly replaced.
In summary, as the core consumables of mirror polishers, regular replacement of polishing tools is a necessary operation. According to different tool types (wool wheels, polyurethane polishing pads, asphalt polishing wheels), the replacement timing should be judged based on indicators such as usage frequency, wear status, and processing effects.
Only by timely replacing suitable polishing tools can the mirror polisher continuously and stably output high-precision mirror-like effects, avoid quality problems and economic losses caused by tool wear, and ensure the efficient operation of the production process.
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