Plastic bearing

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Plastic bearing

Source: China Bearing Network Time: 2018-07-18
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Fine plastic bearings, fine plastic bearings; better than the fineness and public service of traditional plastic bearings. All the inner and outer rings are suitable for fine processing; the rolling body and the support frame; on the basis of the traditional advantages of plastic bearings; It is used in fine and high-speed working conditions. Usually POM, PPS, or PEEK is used for inner and outer ring materials. Glass fiber reinforced nylon 66 (RPA66-25) or PEEK is used for the frame. The roll body is glass ball, stainless steel ball or ceramic. Ball. Corrosion-resistant plastic bearing alignment is different. There are various data solutions for working conditions; even in the most stringent acid/alkali/salt/solvent/oil/gas/seawater corrosion, it can work freely; ensure the durability of ambition And expected life. Anti-acid and alkali plastic bearings HDPE, PE, UHMWPE data has been proven to be used in relatively weak acid-base intercalation environment (30% CuCl2 solution and 30% NaOH solution test OK), strong acid and alkali environment Using PVDF and PTFE data, PTFE can be used in all concentrated acid and concentrated alkali applications, including HF and fuming sulfuric acid nitric acid (98% or more), high temperature resistant plastic bearings PVDF, PTFE (Teflon), PPS (polyphenylene sulfide) , PEEK (polyether ether ketone), PI (polyetherimide), etc. Ming is the ambition of plastic materials manufacture of high temperature bearings; meanwhile PI can be used in a long time at ambient temperature of 290 ℃; Short-term temperature up to 350 ℃. It is the best one of all known engineering plastics. The plastic bearing seat and plastic outer spherical bearing plastic seat bearing are light in weight; the device is simple; corrosion resistant; free from protection; together with common cast iron seat or stamping seat The vibration and shock resistance functions that are not available. With the continuous development of new materials, it is increasingly used in engineering.
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