首页|Study on the Kinematics of the Lips of the Twist Drill on the Axial vibration Part 2: Theoretical Chip Length and Dynamic Angles of the Drill
Study on the Kinematics of the Lips of the Twist Drill on the Axial vibration Part 2: Theoretical Chip Length and Dynamic Angles of the Drill
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Trans Tech Publications Ltd
In vibratory drilling, the chip lengths and working angles alter respectively, and play important part in the process for the quality, efficiency, and chip breakage. The length of the edge movement in real drilling is just the theoretical length of the chip as the distance between the adjacent entering point and detaching point. It is revealed that from the condition of h_m=0, the chip breaks automatically in the disjunction vibratory drilling pattern. Change of the dynamic angles was researched and based on the finding that the dynamic angle change undulates cyclically versus vibratory phase angle as well as the axial velocity in magnitude and direction of the drill, generated from the input of vibratory signals, the best performance of the drill in work may be pursued with the optimal working angle and clearance angle obtained by selecting the input vibratory parameters and selecting other drilling parameters in proper order.
kinematicstwist drillaxial vibrationchip breakage
L.Z. Gu、Q. Hong、C.J. Xiang
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College of Mechanical Engineering and Automation, Huaqiao University, Fujian, 362021, China
NETL
NSTL
Trans Tech Publications Ltd
