Cutting track optimization method for helical milling of external thread of cylinder
A trajectory optimization, helical milling technology, applied in the direction of thread trimmers, thread trimmers, metal processing equipment, etc., can solve the problems of overcutting of milling cutters, affecting the machining accuracy of external threads, etc., and achieve the effect of improving machining accuracy and reducing interference.
Active Publication Date: 2018-11-16
XIANGTAN UNIV
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Problems solved by technology
[0003] However, when the thread milling cutter cuts in and out of the workpiece, the milling cutter will overcut the workpiece, which greatly affects the machining accuracy of the external thread
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[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0039] see figure 1 , which is a schematic flow chart of a method for optimizing the cutting trajectory of cylindrical external thread helical milling provided by an embodiment of the present invention. An embodiment of the present invention provides a method for optimizing the cutting trajectory of cylindrical external thread helical milling, which is suitable for multi-axis machine tools using thread milling cutter 20 to process cylindrical external thread 10 (se...
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The embodiment of the present invention discloses a cutting track optimization method for helical milling of an external thread of a cylinder. The cutting track optimization method for helical millingof the external thread of the cylinder, for instance, comprises the following steps (X1) the large diameter D, the small diameter D1 and the pitch P of the to-be-machined external thread of the cylinder and the large diameter of a thread milling cutter are obtained; (X2) the helical radius of an external thread machining track is determined based on the pitch P, the small diameter D1 and the large diameter d; (X3) the cutting mode for milling the external thread is determined according to the large diameter D and the large diameter d; (4) a cutting track for milling the external thread is calculated; and (X5) the cutting track for milling the external thread is optimized. By adoption of the cutting track optimization method for helical milling of the external thread of the cylinder, excessive cutting of a workpiece by a milling cutter can be reduced, and the machining precision of the external thread of the cylinder is improved.
Description
technical field [0001] The invention relates to a processing technology for external thread milling, in particular to a method for optimizing the cutting track of cylindrical external thread helical milling. Background technique [0002] Threads are widely used and can be found everywhere in aircraft, automobiles and aerospace equipment, so the accuracy of thread processing is particularly important. Traditional external thread processing generally uses a thread turning tool to turn the thread or manually taps a die. With the rapid development of CNC machine tools, thread milling technology is more and more widely used in the machinery manufacturing industry. Moreover, the same thread milling cutter can process external threads with different rotation directions and external threads with the same pitch and different diameters, and the processing accuracy and processing efficiency of the threads are improved at the same time. [0003] However, when the thread milling cutter...
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IPC IPC(8): B23G1/32
CPCB23G1/32
Inventor 胡自化樊远皞唐翊然陈小告秦长江张旭东
Owner XIANGTAN UNIV