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      橡膠接頭

      橡膠接頭硫化時為什么需求施增大壓力力

         橡膠接頭硫化時為什么需求施增大壓力力?
         
      Rubber joint vulcanization why the demand for increased pressure?
         很多橡膠成品在硫化的時刻都需求施增大壓力力,能夠進步提升橡膠接頭的細密性,消除氣泡兒,進步提升膠猜想到成品物理機械性,進步提升多層成品各層間附致力。硫化壓力的大小由撓性接頭膠料性質、產品構造和技術條件等因素而定。對流動性差的膠猜想到構造雜亂的成品,硫化壓力要大些,但以不影響膠料性能及成品中纖維材料性能為度。壓力達25MPa時,簾線屈伏回數削減,這是由于壓力超過25MPa時能將簾線壓扁,引起膠料難于摻入到織物縫隙中。壓力過大還會使簾線受損,因而棉簾線輪胎的硫化壓力,一般選定在22~25MPa?,F在由于錦綸簾線應用于輪胎,子午線輪胎運用了鋼絲簾線,因而輪胎硫化壓力已大大進步提升。錦綸簾線輪胎和纖維子午線輪胎,硫化壓力為30MPa鋼絲子午胎硫化壓力為50MPa安置安置。

         A lot of rubber finished products in the vulcanization of the moment need to increase the pressure force, can improve the rubber joint fineness, eliminate bubble son, improve the rubber guess to the finished physical mechanical, improve the multilayer product layer adhesion.The vulcanization pressure is determined by the properties, product structure and technical conditions of the flexible joint.The poor fluidity of the guess to the structure of mixed finished products, vulcanization pressure is higher, but it does not affect the performance of the rubber and finished fiber material properties.When the pressure reaches 25MPa, the number of bending cycles of the cord is reduced. This is because the cord can be compressed when the pressure exceeds 25MPa, which makes it difficult for the adhesive to be mixed into the fabric crevice.Too much pressure will also make the cord damaged, and cotton cord tire vulcanization pressure, generally selected in 22 ~ 25MPa.Now due to the nylon cord used in tires, radial tires using steel cord, so tire vulcanization pressure has been greatly improved.Nylon cord tire and fiber radial tire, the vulcanization pressure for 30MPa steel radial tire vulcanization pressure for 50MPa.

      橡膠接頭硫化時為什么需求施增大壓力力?

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