Resistance to tropical straightness exceed the standard band bending, bending due to equipment, but also because the operation, is very important and the correct analysis of the reasons caused. When bending occurs, should first check the three clamp plate vulcanization machine holder is a straight line. Especially the nylon core and EP core must be two times cold modulus, if the curing a stretch and two cold modulus clamping angle is not 90 degrees, often caused by bending zone. So the workers in tension angle is not positive, or clamp has side loose and tight, may also cause the bending zone. In addition, strip thickness around the error is too large, while the thick side of the thin, while curing thick by compression than the thin side slightly long, each plate is accumulated, it will cause the blank thickness of singing, and thin and short, resulting in bending. In curing the green belt, if placed in the mold frame is not positive, put off, may also cause the bending zone.

Solution:

As much as 1 forming process will have the use of canvas drawing staggered selvage around, drawing to identical, students cannot side thin one thick:

2 vulcanization belt to Fangzheng mould frame, can not be placed too;

3 regular check, three clamping angle device operation, and the clamping around the oil pressure is consistent, whether there are side loose and tight phenomenon;

4 regular adjustment of the flat, reduced about the error.