2results about How to "Reduce cutting heat" patented technology

The utility model discloses a kind of concave composite chamfering cutter, belong to machining tool design technical field, the composite chamfering cutter includes two center symmetrical cutter teeth, cutter tooth is composed of back rake face, oblique front and cylindrical arc surface, wherein: the included angle range of back rake face and vertical face is 35 ° to 50 °, the included angle range of oblique front and vertical face is 8 ° to 15 °, cylindrical arc surface is the extension of cylindrical cutter body, the top end of cutter tooth is also provided with tooth end face, the included angle range of tooth end face and horizontal plane is 3 ° to 8 °. Compared with prior art, the composite chamfering cutter carries out mirror image processing to the two blades of tool, and designs specific cutter tooth angle, and the oblique front of specific angle can effectively increase the strength of tool, facilitate chip removal, and the back rake face of specific degree can reduce the wear of cutting edge while reducing vibration;The stability and service life of tool are improved, and the overall tool can effectively reduce the vibration interference in the machining process during the machining process, to ensure the stability and consistency of machining quality.

This invention belongs to the field of ceramic matrix composite material machining technology, and discloses a SiC f A method for drilling small, oblique holes in SiC ceramic matrix composites includes: using a grinding head with applied ultrasonic vibration to drill the SiC... f The SiC ceramic matrix composite workpiece is subjected to dot-mapping to form a slanted small hole inlet platform; an ultrasonically vibrating drill bit is used at the slanted small hole inlet platform to drill the SiC to be processed. f This invention aims to solve the problem of drilling oblique small holes in SiC ceramic matrix composite workpieces. f The high hardness, brittleness, and inhomogeneity of SiC ceramic matrix composites present technical challenges, such as difficulty in drilling small oblique holes and easy tool breakage during the machining process.