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2020
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Market situation of light rock drilling machine application
At present, there are quite a few underground mines in our country that use drilling tools for drilling mining blasting holes. The products are D32- R32 metric thread length 1.1M,1.2M connecting rod row and 60mm diameter ball five-tooth drill bit.
Market situation of light rock drilling machine application
From the brazing steel brazing tool association paper
1. Light rock drilling machine with drilling products output
H22mm cone connecting drill rod, the current annual output of 80000 tons/year, equivalent to 13 million. D38-42mm cone is connected with a shape of chip bit, 23 million pieces/year. 32- 42mm cone connection ball tooth bit, 11 million pieces/year.
2. D32 connecting rod drill rod for guide rail type mining bench
At present, there are quite a few underground mines in our country that use drilling tools for drilling mining blasting holes. The products are D32- R32 metric thread length 1.1M,1.2M connecting rod row and 60mm diameter ball five-tooth drill bit. Connecting sleeve. YYG90 drill drill drill tail. D32 drill rod is mainly used for drilling mining blasting holes in underground metal mines. R32 metric threaded connecting rods are used for drilling, usually with a drilling depth of 20-25 meters. At present, domestic drilling tool enterprises produce 28-300000 R32 metric threaded connecting rods every year, nearly 80000 D60mm diameter R32 metric threaded connecting ball tooth drill bits, and about 14000 drill tails for YYG90 independent rotary guide rail drilling rigs. The 35SiMnMoV and 55SiMnMo steel used for drill pipe and drill tail can meet the requirements of drilling rig.
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