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2024
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Chinese one-piece chip bit
The one-shaped sheet bit is a rock drilling tool product with a history of nearly one hundred years. The domestic annual output reached about 35 million when it was the most.
General Situation of Cemented Carbide Used for Chinese One-piece Sheet Drill
The one-shaped sheet bit is a rock drilling tool product with a history of nearly one hundred years. The domestic annual output reached about 35 million when it was the most. At present, the annual output is about 1800-20 million, the diameter of the drill bit is mainly 38mm-42mm, the size of the alloy sheet is mainly 13mm x 9mm, the weight of the single sheet is about 65-70g, about 14000 drill bits can be produced per ton of alloy sheet, and the annual alloy consumption is about 1500 tons.
China's one-shaped chip bit products and market characteristics
A- shaped sheet carbide drill bit requires less production equipment, easy production and processing, more domestic production enterprises, price competition is fierce. Cemented carbide sheet is the main cost of a-shaped sheet drill bit, so most of the domestic production enterprises will use different types of rock drills according to the drill bit, as well as the type of rock drilled using different quality and different prices of cemented carbide. At present, most of the products produced by the needle industry are made of recycled tungsten carbide powder and medium and low-grade tungsten carbide powder, among which the products of alloy enterprises in Qinghe, Hebei, Linqu, Shandong, Jinan and other places account for a large share.
At present, the construction sites using air-leg rock drills are mainly highway and railway tunnel construction. A- shaped sheet carbide drill bit is cheap, and the construction operation is basically a one-time use. However, in the past ten years, the emergence of small-diameter spherical tooth drill bits and the superiority of their performance have replaced a part of the market for straight-shaped chip drill bits. It can be expected that the market demand for this product will not rise again in the future.
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