Hole machining drill bit and hole machining method suitable for carbon fiber composite materials
A hole processing method and composite material technology, applied in drilling/drilling equipment, cutting tools for lathes, metal processing equipment, etc., can solve problems such as unstable hole quality, short tool life, and low product qualification rate , to achieve the effect of improving connection and assembly quality, improving product qualification rate, and improving the quality of the whole machine
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[0015] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. It should be noted here that the descriptions of these embodiments are used to help understand the present invention, but are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not constitute a conflict with each other.
[0016] as attached figure 1 , attached figure 2 And attached image 3 As shown, the drill bit suitable for hole processing of carbon fiber composite materials has a diameter of 4 mm to 6 mm, a drill point angle 2Φ of 92.5° to 97.5°, a helix angle β of 25° to 30°, and a relief angle α of 20° to 25°. °, length of chisel edge b ψ It is 0.02 to 0.03 times the diameter of the drill bit. The present invention preferably selects the diameter of the drill bit as 6mm, the d...
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