Application of white corundum in scraping and polishing plastic eyeglass frames
The application of white corundum in scraping and polishing plastic eyeglass frames is mainly reflected in the following aspects:
1. Surface pretreatment and cleaning
Removal of burrs and impurities
White corundum scraping can effectively remove burrs, parting lines and tiny impurities on the surface of plastic frames to ensure a smooth surface. Its high-hardness particles can accurately remove burrs of materials such as bakelite and plastic through high-speed impact to avoid defects in subsequent processing.
Surface activation and roughness adjustment
Scraping can moderately increase the roughness of the plastic surface and enhance the adhesion of subsequent coatings (such as anti-scratch coatings). By adjusting the size of white corundum(usually fine size) and the injection pressure, the surface microstructure can be controlled to meet different design requirements.
2. Polishing and surface beautification
Exquisite polishing effect
Fine white corundum (such as fine grade or ultra-fine grade) as a polishing material can be used to mirror the plastic surface, eliminate fine scratches, and make the frame present a uniform matte or high-gloss effect. No additional cleaning is required after polishing, and the surface is clean and free of residue.
Decorative texture processing
Special textures (such as frosted and gradient effects) can be customized through white corundum sandblasting to enhance the aesthetics and touch of the eyeglass frame. Combined with etching technology, personalized pattern engraving can also be achieved.
3. Process advantages
High precision and stability
White corundum particles are uniform in size and wear-resistant, which can ensure the consistency of surface treatment effects in mass production and are suitable for the processing of precision parts such as eyeglass frames.
Environmentally friendly and safe
White corundum has stable chemical properties, does not produce harmful substances, and meets the safety standards for eyeglass products. Residual particles after sandblasting can be completely removed by conventional cleaning.
4. Parameter selection recommendations
Sizes: usually #400-#2000 mesh ultra-fine white corundum is selected to avoid excessive wear on the plastic surface
Spraying pressure: controlled within the range of 0.2-0.5MPa to prevent plastic deformation.
Reuse rate: White corundum can be recycled 3-5 times to reduce production costs.
In summary, white corundum, with its controllable surface treatment capabilities and environmentally friendly characteristics, has become an ideal choice for the sandblasting and polishing process of plastic eyeglass frames, which can take into account both functional and aesthetic requirements.
The conventional production sizes of Haixu Abrasives White Corundum Factory are:
F standard: F16 F20 F22 F24 F30 F36 F46 F54 F60 F70 F80 F90 F100 F150 F180 F220 F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 F2000
JIS standard: #8 #12 #14 #16 #20 #24 #30 #36 #46 #54 #60 #70 #80 #90 #100 #120 #150 #180 #220 #240 #280 #320 #360 #400 # #500 #600 #700 #800 #1000 #1200 #1500 #2000 #2500 #3000 #4000 #6000 #8000 #10000
W standard: W63 W50 W40 W28 W20 W14 W10 W7 W5 W3.5 W2.5 W1.5 W0.5