硬耐用，可多次修磨使用。 Application: It is utilized in cutting the crown and side-wall of waste tire into a certain sized of long rubber strip. Construction and Principle: The unit is consist of a pair of knife, Speed reducer, frame and transmission.The principle is that Speed reducer through transmission, driving two knives constant speed operation and making two knives constitute a trend of shear, the material placed between the two knives, move forward to achieve the shear effect. Characteri