Combined machining method for threaded hole in high-volume-fraction aluminum-based silicon carbide
An aluminum-based silicon carbide and composite processing technology, applied in metal processing equipment, manufacturing tools, thread cutting machines, etc., can solve problems such as low processing efficiency, chipped teeth and edges of screw holes, severe tool wear, etc., and achieves improved tooth profile surface Improve the quality, improve the accuracy of the screw tooth shape, and ensure the quality of the processed surface
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[0026] The present invention will be further elaborated below.
[0027] High-volume SiCp / Al materials have typical hard and brittle characteristics. In view of the current existing technologies, the phenomenon of serious edge chipping at the exit during small hole drilling, and large-area surface defects caused by particle shedding in thread processing, the present invention provides a A milling-grinding integrated processing method based on multi-dimensional ultrasonic vibration, through tool design and process parameter optimization to reduce unfavorable processing status, improve the quality and efficiency of thread processing.
[0028] The basic idea of the method of the present invention is: the threaded hole is processed on the multi-dimensional ultrasonic vibration machine tool using a milling tool, and the thread processing is completed by means of the tool path design of the milling process, and the micro-cutting function of the abrasive particles on the milling tool...
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