rock bit

Design calculation process as well as machining technology of rock bit are detailed introduced.

详细介绍了104牙轮钻头的设计计算过程和加工工艺.

Test research of drilling force for XYZ series rock bit

XYZ系列岩石钻头钻削力试验研究

Start collaring with reduced throttle to the impact mechanism and feeding, let the bit work its way slightly into the rock.

开孔时，应采用最小的冲击和推进力，使钻头平稳地进入岩层。

Carbide welded taper shank core drill cone type roller bearing rock bit

硬质合金焊接式锥柄扩孔钻滚柱轴承锥形牙轮钻头

Diameter controlling is of great importance in rock bit manufacturing.

保证三牙轮钻头的直径是钻头制造工艺的重点.

Cone type roller bearing rock bit The tapered gear box and universal shaft transmit smooth power and are simple to assemble and disassemble.

滚柱轴承锥形牙轮钻头锥齿轮箱＋万向轴动力上台，传动可靠，装拆方便。

A thin bit of rock that is detached from the main face.

一片很薄的岩块,它与主岩面分离.

This paper analyses the factors that affect the contact stress of rock bit journal bearing.

文章分析了牙轮钻头滑动轴承接触力学性质的影响因素.