Tungsten Carbide Multithread Hobbing Cutter Introduction

Details: Category: Tungsten Information; Published on Wednesday, 05 November 2014 18:32

Tungsten carbide multithread hobbing cutter is a kind of cutting tool used in gear machining. The kind of hobbing cutter normally adopted is single-thread hobbing cutter with only one helix, while multithread hobbing cutter is of several helixes. Generally, when the number of thread in a hobbing cutter increases, its efficiency will also be higher, but the gear being processed will lower its quality. Other cutting parameters remaining the same, when the single-thread hobbing cutter makes one rotation, the gear processed will move one of its teeth, and when the multithread hobbing cutter makes one rotation, the gear processed will move several of its teeth. It seems that the efficiency of multithread hobbing cutters will be much higher than that of the single-thread ones, but actually it is just a theoretical assumption. The fact is the tungsten carbide hobbing cutter should change its corresponding parameters taking into consideration various kinds of parameters like the rigidity of machine tools, so its efficiency is actually lower than the theoretical one. In addition, its machining precision is lower than that of the single-thread hobbing cutter due to the influence of its indexing accuracy. To put it simply, multithread hobbing cutters have lower precision but higher efficiency than that of single-thread hobbing cutters.

However, due to the high processing efficiency, if the machining precision of the tungsten carbide multithread hobbing cutter can be improved, it will surely gain wider and wider applications in gear machining.

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