1).The chill cast shell and the inner part of the roll can be poured separately. Thus different composition of iron for the shell and for the inner part can be chosen freely according to different requirements. 2).The thickness and the hardness of the chill cast shell can be controlled more precisely and uniformly. 3).The molten iron is condensed under the centrifugal force.The surface of the shell is free from porosity, sand hole, slag inclusion, or other casting defects. 4).When the roll is made by ordinary gravity pouring process, there is always a layer of mottled iron formed between the white iron(chill cast iron) and the gray cast iron. When drilled roll is used, this mottled cast iron layer always makes the drilling very dificule. When the roll is made by centrifugal pouring process, there is no mottled iron layer formed at all. The mottled iron layer problem no longer exists. The drilling can be done easily and precisely. 5).When proper materials are used and centrifugal pouring process is adopted. the hardness of the chill cast shell can hold as high as HS 74+/-2.The tensile strength of the roll can reach as high as 250 MPa. The working life of the roll made by centrifugal pouring process would be three to five times the working life of the rolls made by ordinary gravity pouring process.
1.The roller is made of cold-hard alloyed ingot iron 2.It is easy and safe operate 3.The machine main uses are following in rubber product, factory: natural rubber refining, raw rubber and compound
1. These series products have advantages of big unit area pressure to guarantee quality of products. We also can provide push pull mode device according to technique request of rubber products to dece
This production is used for recycle waste tires (600mm-1200mm) to make rubber particle or rubber powder. The size of final particle is from 5 meshes to 120 meshes. Finally you can also get steel wire
Vulcanizing unit are adapted to ordinary rubber conveyor belt, nylon conveyor belt, PVG belt, rope and other conveyor belt of textile construction. The main machine is adopt fro modern frame structure
1.Former top open mold for can be used for a variety of two-story or three mold pattern, is a multi-functional model. 2.adopting the dual power, designing the circuit respectively, the machine can op
1)The machine is in frame structure with below pressing form (upwards). 2)Under the working hydraulic pressure, the embolism ascends to make hot plate close for getting pressure, while the embol
1)The machine is in frame structure with below pressing form (upwards). 2)Under the working hydraulic pressure, the embolism ascends to make hot plate close for getting pressure, while the emb
XLB series plate vulcanizing press is a new type of hydraulic plate vulcanizing press and the old model of pressure molding machine. Compared to suppress can productivity1. The machine is body, electr
1.be used for crude and broken rubber, waste tire 2.being made of cold hard alloy cast iron, the roll has three types-double-channeled roll, single-channeled roll, single-channeled. 3.the safety shu
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