A high air pressure drill bit
A drill bit and air pressure technology, which is applied in the direction of drill bits, drilling equipment, earthwork drilling and production, etc., can solve the problems of unstable rotation torque transmission, high stress wave loss, short life, etc., and achieve high torque transmission efficiency and amplified stress wave transmission , long service life effect
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[0011] Below in conjunction with accompanying drawing, the specific implementation manner of this patent is described in further detail.
[0012] Such as figure 1 As shown, a high air pressure drill bit, a drill body 1 and alloy teeth 2, the drill body 1 includes three parts: a crushing head 11, a spline 12 and a drill tail end 13, and the alloy teeth are arranged on the crushing head 11, the length of the crushing head 11 is L 1 , the length of the spline 12 is L 2 , the stroke length of the drill bit tail end 13 is L 3 , the length of the tail end of the drill bit is also called the stroke length of the drill bit, L 1 +L 2 +L 3 =230mm, the L 1 :L 2 :L 3 It is 1:1.7:1.
[0013] The diameter of the crushing head is D 1 , the diameter of the spline is D 2 , the diameter of the tail end of the drill bit is D 3 , the D 1 2 :D 2 2 :D 3 2 It is 1:1.5:3.2.
[0014] The length of the drill body 1 is L 1 +L 2 +L 3 =230mm is far less than the length of the existin...
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