How to Make a Rubber Joint

Rubber joint is also called rubber shock absorber, suspension throat, the product is noise reduction.it is consist with inside and outside glue, steel flange,steel wire intensity,end seal face,jinglun curtain thread,under high temperature vulcanization molding again.

This type rubber expansion joint both ends is a flange,in the middle of the rubber is the rubber ball,the both ends of the flange and the average of the flange is not the same, because to open a closely integrated with the rubber groove,there are some requirement on groove diameter,outer diameter depth , different diameter is not the same.Intermediate rubber,pressed into a mold, before the rubber part by hard tooling making,now,but accounted for a largest share of the market is made of inflatable, internal by air liner support, external mold,in the middle of the rubber processing into certain shape into the mould heating sulfur,after a certain period of time can only need to use special tools will flanges and rubber nested together to form a whole.