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EPB4 plastic plain bearings be used in bottle washing machines
Release date:2009-03-27    Total:5668bout

Plastic plain bearings: Among pharmaceutical machinery, the parts comprising the cleaning and drawing-sealing linkage of bottle washing machines play extremely important roles, and the effectiveness of a bottle washing machine will directly affect the operation of downstream bottling and sealing machines. In addition, the key portion of a bottle washing machine is the bottle washing clamp, which is equipped with self-lubricating bearings.
Bottle washing clamps are in contact with washing fluid for extended periods of time, and must also maintain their precision holding and turning ability. The use of self-lubricating bearings will ensure that the clamps continue to operate smoothly after long-term exposure to washing fluid, and the bearings also maintain long-term wear resistance and precise action. Thanks to their corrosion resistance and excellent wear resistance, EPB4 plastic plain bearings are clearly superior in the pivoting components of bottle washing machines.


EPB4 plastic bearings possess superlative corrosion resistance. The EPB4 self-lubricating material contains a modified high-molecular weight polymer base, which gives this material extraordinary corrosion resistance, and it can easily withstand corrosion even at temperatures on the order of 200°C.
EPB4 plastic plain bearings possess a high degree of wear resistance. The self-lubricating material used in EPB4 plastic plain bearings contains a high-strength polymer base. In order to further enhance the bearings' overall strength, compression resistance, and wear resistance, CSB uses clean technology to implant reinforcing fibers and a special anti-wear agent. CSB special water-immersion anti-wear agent mixture ensures that the bearings still provide remarkable self-lubrication performance even when in contact with water or totally immersed in a solvent. And by minimizing wear, the bearings can ensure the highest degree of operating precision.
EPB4 plastic plain bearings absorb extremely little water. The EPB4 plastic plain bearing's self-lubricating material is made from a polymer with extremely low water absorption. This material has a moisture absorption of only 0.04% at RH50/23°C, which is equivalent to the moisture in ordinary plastic after drying for 12 hours at 100°C in a drier. This ensures that even if bearings made from the EPB4 material operate totally immersed in a solution for extended periods of time, the bearings will not experience seizing because water absorption has caused a change in bearing size.
EPB4 plastic plain bearings possess unbeatable load bearing ability. They can withstand a load of 90 Mpa at a temperature of 23°C, and have deformation of only 2.3% at this maximum load, which ensures that they can operate normally at high loads. EPB4 plastic plain bearings can also bear loads of over 20 Mpa even at temperatures of around 200°C—ordinary plastic plain bearings will have great difficulty matching this performance.
While EPB4 plastic plain bearings are not sensitive to the shaft material, cold-rolled steel and carbon steel are best suited for rotary motion, while stainless steel performs exceptionally well in pivoting shafts. When the load is less than 5 Mpa, a chrome-plated hardened shaft can also be considered. When the foregoing shaft materials are used, the EPB4 material has a dry friction coefficient of 0.07-0.20. And when a fluid medium provides lubrication, the coefficient of friction will remain below 0.12. As a result, EPB4 plastic plain bearings indeed offer superior self-lubricating performance.
Thanks to their remarkable overall performance, EPB4 plastic plain bearings are widely used in pharmaceutical and packaging machinery. These bearings provide superior wear resistance, corrosion resistance, heat resistance, and dimensional stability, which is why they are favorites of among many design personnel.

EPB4工程塑料轴承 EPB4工程塑料轴承压力温度


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