Analysis of several plastic bearings

Source: Bearing network time: 2013-06-15

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1. 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; Used in fine and high-speed working conditions. Usually POM; PPS; or PEEK for inner and outer ring data; glass fiber reinforced nylon 66 (RPA66-25); or PEEK; roll body for glass ball; stainless steel ball or ceramic ball.
2. 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 and expectation of ambition Lifespan.
3. Anti-acid and alkali plastic bearings HDPE, PE, UHMWPE data have been proven to be used in relatively weak acid-base intercalation environments (30% CuCl2 solution and 30% NaOH solution test OK), PVDF and PTFE data can be used in strong acid and alkali environment In the meantime, PTFE can be used in all concentrated acid and concentrated alkali applications, including HF and fuming sulfuric acid nitric acid (98% or more).
4. High temperature resistant plastic bearings PVDF, PTFE (Teflon), PPS (polyphenylene sulfide), PEEK (polyetheretherketone), PI (polyetherimide) have proved to be the ambition to manufacture high temperature plastic bearings; It is used in a long-term temperature environment of 290 Â° C; short-term temperature resistance up to 350 Â° C. It is the best one of all known engineering plastics.
5. Plastic bearing housing and plastic outer spherical bearing plastic bearing bearing is light and light; the device is simple; corrosion-resistant; free of protection; together with the common anti-vibration and anti-shock function of cast iron seat or stamping seat. Follow the new information constantly Development is increasingly being widely used in engineering.

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