uses of fast speed 2plf series grading teeth-roller
Mobile Mining Crusher Product Overview. 2021-3-1 · This grading method addresses the dominant failure mode and divides the bit lifespan into five stages as follows: Class 1: new bit, Class 2: appearance of slight wear on teeth tips and cone edges, Class 3: bearing(s) beginning to loosen because of damaged outer roller bearing, progressive tooth wear, and missing teeth, Class 4: deterioration ...
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