[Presentation of Information] What makes fluoropolymer excellent in lubrication? We will introduce the characteristics of fluoropolymer PTFE, focusing on its lubrication and low friction properties.
■Types of Lubrication Lubrication can be broadly divided into liquid lubrication using liquids and solid lubrication using solids. A representative example of liquid lubrication is lubrication with oil. On the other hand, lubrication with fluororesin falls under the category of solid lubrication. ■Characteristics of Solid Lubrication Solid lubrication is used in cases where liquids cannot be used or when liquids evaporate or detach in a vacuum. For example, when sliding products, solid lubrication is useful in cases where liquid lubricants would dirty the products. ■Lubricity and Low Friction of Fluororesin (PTFE) Fluororesin has a low coefficient of friction and is used as a solid lubricant. Fluororesin PTFE is structured such that fluorine atoms surround carbon atoms without gaps. The free energy of the fluorine atoms on the molecular surface is low, and the molecules have a very small polarity due to their symmetrical structure. The low coefficient of friction of PTFE is believed to be influenced by this type of molecular structure. ■Reasons for the Low Coefficient of Friction of Fluororesin PTFE → For more details, please check the basic information section.
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■ Reasons for the Low Friction Coefficient of PTFE Fluoropolymer - The strong atomic bonds within PTFE molecules result in weaker intermolecular forces with the contacting material. - Friction (sliding) causes PTFE molecules to adhere slightly to the counterpart material, leading to sliding between PTFE molecules. - The surface of PTFE molecules has minimal roughness and a smooth structure. - The orientation of PTFE molecules allows for easier reduction of friction resistance. For these reasons, PTFE fluoropolymer is considered to have excellent lubricating properties. ■ Solid Lubrication with Fluoropolymer Coating Fluoropolymer coatings can be applied as a film on surfaces such as metals. By applying a fluoropolymer coating, the characteristics of the fluoropolymer can be utilized in components and equipment, making products easier to slide and providing lubrication to parts of devices, which is expected to improve productivity and prevent process troubles.
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■Uses of Teflon Coating Food Equipment ... kneading machines, rollers, baking molds, etc. Industrial Non-Stick Applications ... mixers, centrifuges, heat sealers, molding dies, rollers, etc. Chemical Plants ... piping, tanks, valves, pumps, etc. Semiconductor Manufacturing Equipment ... plating jigs, solder jigs, semiconductor production lines, etc. Lubrication Applications ... bearings, piston rings, precision machine parts, escalator guides, etc. Office Automation Equipment ... fixing rollers, separation claws, etc. Insulation Related ... various electrodes, precision machine parts, insulators, etc. Aerospace Industry Equipment ... molding parts, etc.
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To maximize the performance of manufacturing equipment and machine parts, Yoshida SKT derives the "optimal solution" tailored to our customers from hundreds of surface treatment technologies. - Decreased productivity due to adhesive troubles - Instability in product quality due to friction - Early deterioration of equipment due to corrosion We respond to these challenges in the manufacturing field with our extensive track record and reliable technical expertise. In 1963, we began fluoropolymer processing. In 1968, we signed a licensing agreement with DuPont (now Chemours), supporting manufacturing innovations for over 2,000 customers across various industries, from automotive to medical and aerospace. Furthermore, in 2024, we are focusing on the development of next-generation products, such as PFAS-free coatings, contributing to the advancement of sustainable manufacturing. With a three-base system in Nagoya, Tokyo, and Yamaguchi, we flexibly respond to both mass production and custom orders. Our consistent quality management system ensures that we deliver reliable quality. For solving challenges in the manufacturing field, trust the surface treatment experts at Yoshida SKT.
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