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The pulley of shower room should choose what kind of material is more appropriate? -

by:Appollo bath     2021-01-28
Pulley is the top priority of shower room, shower room only good pulley can guarantee the life of the shower door, and the safety of the user. Many pulley set the nylon jacket, but there were things around - — Bearings. The service life of bearing for roller has played a decisive factor. More on the market at present is copper, carbon steel, zinc alloy, stainless steel bearings, the best choose 304 stainless steel pulley, second choose copper material, as for the alloy material belongs to poor materials with carbon steel, low service life. ( 1) Stainless steel bearing import 304 stainless steel bearing wheel round the totally enclosed, after 100000 times of continuity, destructive push-pull test without any damage and abnormal, normal service life of more than five years, and effectively prevent wear and bearing oil leakage. Pulley used nylon bag adhesive, heat resistance, wear-resisting and have derailment prevention design, with a slow buffer design, guarantee the shower room of push-pull flow and safety. ( 2) Copper shaft package plastic pulley the pulley, the most common in the middle part is yellow copper, with stainless steel bead inside, outside white plastic materials, when used for stainless steel bead friction when copper and plastic soft hardness, copper shaft with outsourcing adhesive wear easily, cause the pulley gap is more and more big, finally come unglued. ( 3) Carbon steel pulley carbon content lower than 2%, and has a small amount of silicon, manganese, phosphorus, sulfur and other impurities of iron carbon alloy material production of pulley, the pulley high hardness and brittleness material, easy to rust, corrosion, short service life. ( 4) Zinc alloy wheel for zinc alloy material production base material to join other elements of the pulley. Zinc alloy low melting point, good liquidity, easy fusion welding, brazing and plastic processing, deformed material easy to recycle and remelting; But low creep strength, corrosion resistance is poor, prone to natural aging, caused by changes in the tensile strength at high temperature and low temperature impact properties are weak, generally the service life of zinc alloy roller in 2 ~ 3 years.
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