Method for removing burrs of threaded head buckle and threaded tail buckle through numerically controlled lathe
A thread and burr technology, which is applied in the field of removing burrs of threaded head and tail buckles by CNC lathe, can solve the problems of high work intensity and low work efficiency of the head and tail buckle burrs of aero-engine parts, so as to reduce the work intensity, improve the integrity rate, and improve the processing efficiency Effect
Active Publication Date: 2020-08-14
CHENGDU HOLY AVIATION SCI & TECH CO LTD
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Problems solved by technology
[0004] The purpose of the present invention is to provide a method for removing burrs on the threaded head and tail buckle of a numerical control car. By setting the imaginary C-axis coordinate value, the imaginary C-axis movement angle and the pitch to be moved are calculated, and the processing program is written according to the calculation process and results. The CNC lathe removes the burrs of the head and tail buckles of the thread, and solves the technical problems of manual filing of the head and tail buckle burrs of aero-engine parts, high work intensity, low work efficiency and other surface of the workpiece.
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Embodiment 2
[0056] S0 uses drawing software to draw a processing curve 2 that continues processing along the thread;
[0057]S01 divides the curve with an imaginary angle of 30°, and obtains the radius values 14.968, 15.164, 15.714, and 16.5 corresponding to the four angles of 0°, 30°, 60°, and 90°, respectively, and then calculates the diameter corresponding to each angle Values 29.936, 30.328, 31.428 and 33;
[0058] S1 calculates the required thread end point and pitch, and compiles a special processing program for deburring the first screw thread;
[0059] S101 Calculate the movement distance of the diameter coordinates through the diameter value to be processed next time and the diameter value to be processed currently;
[0060] S102 imagine the next imaginary angle and the current imaginary angle corresponding to the diameter to be processed next time and the diameter to be processed currently, that is, the next imaginary C-axis coordinate value and the current imaginary C-axis...
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The invention provides a method for removing burrs of a threaded head buckle and a threaded tail buckle through a numerically controlled lathe, and relates to the technical field of removal of burrs of a threaded head buckle and a threaded tail buckle through a numerically controlled lathe. The technical problem that workload of manually filing away the burrs of the threaded head buckle and the threaded tail buckle on the surface of an aero-engine part is large, and the machining efficiency is low is solved. The method for removing the burrs of the threaded head buckle and the threaded tail buckle through the numerically controlled lathe comprises the steps that S0, drawing software is used for drawing a thread curve (2) continuing to be machined along a thread; S1, a needed thread end point and screw pitch are calculated, and a special machining procedure for removing the burrs of the threaded head buckle and the threaded tail buckle is compiled; and S3, machining is carried out according to the compiled machining procedure. The method can be used for the numerically controlled lathe to remove the burrs of the threaded head buckle and the threaded tail buckle, the workload of a technicist is reduced, and the machining efficiency is improved.
Description
technical field [0001] The invention relates to the technical field of removing burrs from threaded buckles by a numerically controlled lathe, and in particular to a method for removing burrs from a threaded buckle by a numerically controlled lathe. Background technique [0002] The structure of the outer circle and the inner cavity of the aero-engine parts is relatively complex, and the precision requirements are high. After the bushing is machined with a rectangular thread by the CNC lathe, the shape of the thread head and tail is naturally formed during the processing. However, the head and tail buckle of the sample has half of the thread removed, and the transition with the large diameter flat top of the thread is smooth. The fitter grinds according to the sample, and can only use manual filing. [0003] However, due to the high requirements of aero-engine parts, it is not conducive to manual deburring of parts, and manual deburring is extremely unstable; secondly, manu...
Claims
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IPC IPC(8): B23G9/00
CPCB23G9/00
Inventor 黄和兵周向华刘尚明张百涛杨虎荣
Owner CHENGDU HOLY AVIATION SCI & TECH CO LTD