The utility model relates to a wear-resistant hob

Key words wear-resistant hob, hob |2018-06-20 08:47:34| industry patent

Application number: 201720488797.3

Application date: 2017.05.05

Inventor: tong junfeng;ShangQingHui;Meng Weimin;Wang Feishan;Du Jie;sail

Abstract: The utility model relates to the cutting tool technical field, and its name is a wear-resistant hob, including a cylindrical steel cutter ring body, in front of which is a working feed part, and the working feed part is provided with a spacing slot and a wear-resistant sintered block is brazed in the slot.On the knife lap steel body, is interval between adjacent sintered wear-resisting block area, referred to the interval of divided into two groups, were the first group interval and a second group of interval, the first group interval and a second group of interval interval set, the first group of spacer brazing polycrystalline diamond compact, polycrystalline diamond compact also brazing connection on both ends adjacent wear-resisting sintering block;The first group of interval zone spray wear resistant plasma protection layer.Such wear-resistant hob has made the hob more effective rock entry, can also play a protective role on the steel body of the hob ring, enhance the wear resistance of the hob ring. 

Main claim:

The utility model relates to a wear-resistant hob, including a cylindrical cutter ring steel body, in front of which is a working forward part, characterized by: the working forward part is provided with a slot arranged at intervals, and a wear-resistant sintered block is brazed in the slot;On the knife lap steel body, is interval between adjacent sintered wear-resisting block area, referred to the interval of divided into two groups, were the first group interval and a second group of interval, the first group interval and a second group of interval interval set, the first group of spacer brazing polycrystalline diamond compact, polycrystalline diamond compact also brazing connection on both ends adjacent wear-resisting sintering block;The first group of interval zone spray wear resistant plasma protection layer.

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