It is available to strengthen the bit teeth by replacing the granular casting tungstencarbide with the spheroidal sintering tungsten carbide.
用球状烧结碳化钨代替粒状铸造碳化钨作钢齿钻头齿面堆焊材料是提高齿面强化效果的有效途径。
2
The drill bit body has three wings four cylindrical tungstencarbide inserts and curved slots for removal of cuttings.
在结构上采用了三翼四齿的钻头体、弧槽形排粉沟槽，适用于硬、中硬、软岩的三种齿形。
3
In order to improve bit life span this paper puts forward a thought of using the techniques and formulas of making diamond enhanced tungstencarbide composite button to make impregnated diamond bit.