Nozzle with knife cut tooth has the following features:
1, the Hydra knife cut cylinder coal effect is good.
2, coal lump coal rate can be improved;
3, spray dust effect is good, and curb the risk of friction sparks, extend the life of the cutter tooth;
4, reduce cutting resistance, lower power consumption;
7, cutter teeth and nozzle can be replaced rapidly, reduce maintenance time;
8, knife cut cut teeth, tooth cutting depth is greater than the pick cutting coal effect is good, can improve the drawing speed;
9, the coal winning machine rocker and protect the machine;