Now we are offering new design in bucket teeth. Certainly we have compared the bucket teeth between external and internal. Working conditions of bucket tooth in mining excavator, failure analysis of bucket teeth all have been considered into. New design for bucket teeth had better reduce the digging resistance as far as possible. Beside we also add the designing of material volume in effective working parts of tooth tip.
There are some characteristics in new designing. For example, our new design has been changed symmetrical location of the center line. That makes the wear surface consistent with abrasion surface in mining process. So it will present a smooth continuous curve. This could reduce the resistance in digging.
On the other hand, our new design for bucket teeth has increased effective material volume and \geometric size in tip. When the material volume has been increased upon 15%, the total bucket teeth weight will be not increased or increased little. With this new designing, the service life of bucket teeth will be improved 30%. Above all, we can know that increasing effective working volume of material and reduce digging resistance could improve the service life of bucket teeth.
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