We leverage the technology cultivated in the liquid crystal display manufacturing process to provide high-precision "rubbing" technology. Our market share worldwide is 80%.
【Features of the Technology】 1. Uniform Scraping - Unique "Reverse Crown Processing" allows the roller's deflection to be processed to less than 10μm. - The friction force during scraping is detected as a torque value, and automatic correction is performed to maintain a constant torque value. 2. Scraping Large Workpieces - The use of a specially processed cast iron stage base minimizes deformation even for large stages. - An ultra-large grinding machine capable of handling 3,000mm x 6,000mm grinds the stage flatness to less than 20μm. 3. Scraping at Any Angle - The angle between the roller and the stage can be set in increments of 0.1°. - A super-large rotating stage measuring 2,550mm x 2,550mm (total weight 2,500kg) has been manufactured.
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basic information
Examples of Our Technology Adoption - Adoption Process: Liquid Crystal Display Manufacturing Process - Equipment Name: Rubbing Device (RL Series) - Equipment Overview The device processes a polyimide film by 'rubbing' it with a roller wrapped in buff material, aligning the liquid crystal molecules in a specific direction. - Equipment Specifications Maximum Roller Dimensions: φ140mm × 4,000mm L Maximum Roller Speed: 2,000 rpm Roller Angle Setting Range: ±47° Resolution of Roller Pressing Amount: 0.001mm Maximum Stage Dimensions: 2,550mm × 2,550mm Maximum Stage Movement Speed: 1,000mm/sec Gap Precision Between Stage and Roller: ±0.05mm Static Electricity Countermeasures: Humidifier, Soft X-ray, Ionizer
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Applications/Examples of results
Lapping device Fabric covering device Fabric aging device Roller stocker
Company information
Prematech Co., Ltd. has been striving to provide the best products in the industry since its establishment in 1951, based on high-precision component manufacturing technology and adhering to the motto of "customer first" and "quality first." In the field of manufacturing equipment for flat panel displays, we have quickly responded to customer needs and received high praise for our ability to turn those needs into reality. Today, we have established a production system that consistently handles design, component processing, assembly, and on-site support as a "total solution business." We have also grown to be a manufacturer that can provide high-quality services in the development and production of various manufacturing equipment. Our company will continue to challenge itself in the development of future technologies that transform the various problems and requests of our customers into tangible solutions, as well as in the development of products that consider better quality and the environment.
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