Introduction
A brief introduction of carbide coal mine rock drill bit
Coal bit is now divided into two kinds, hard alloy bit and diamond composite bit. The two wing working parts of hard alloy coal bit use hard alloy as cutting teeth, mainly used for soft bottom layer, the alloy cost is low. It still holds an important position in the market. Diamond composite bits are used as cutting teeth on the two wings of the coal bit. The application of diamond composite bits greatly improves the drilling efficiency o
Details
A brief introduction of carbide coal mine rock drill bit
Coal bit is now divided into two kinds, hard alloy bit and diamond composite bit. The two wing working parts of hard alloy coal bit use hard alloy as cutting teeth, mainly used for soft bottom layer, the alloy cost is low. It still holds an important position in the market. Diamond composite bits are used as cutting teeth on the two wings of the coal bit. The application of diamond composite bits greatly improves the drilling efficiency of the coal bit and is gradually replacing the hard alloy coal bit.
1 coal drill is a kind of three small products promoted by the coal department, divided into dry and wet two kinds. There are two kinds of hardness, type I is suitable for soft rock drilling, type II is suitable for hard rock and hard rock drilling.
2 Installed on the coal drill, mainly used for soft – medium hard rock anchor support hole drilling. Used for rock hard F ≤8 roadway, especially suitable for coal roadway bolt support operations, can drill roof bolt hole.
