Ribbon Cast Polyurethane casting machine System for Roller Manufacturing without the Mold tools
Machines used for manufacturing both small and large rollers using polyurethane. A ribbon of liquid urethane is applied to a rotating roller and moved across the cylindrical surface. The method is somewhat similar to turning, but the material is applied instead of being removed. It is possible to build layers to different thicknesses for subsequent machining to accurate dimensions.
Two different types of machines to make the PU rollers .
First method to make the polyurethane roller is mold injection . It's general way to produce the pu roller in the market . This is our two components mold injection pouring machine for rollers . The operation process is easy and the raw chemical is much cheaper too . And you also can choose 3 components machines to do the mold injection pu roller according to your different raw chemical requirement . Mold tool injection , it can make wide range and different size, colorful rollers . So most customers choose the mold injection method to produce the roller . But this produce method need a lot mold tools for every size roller . And it need long post curing time after pouring .
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