Ultrasonic vibration assisted spiral thread milling and grinding method
A technology of ultrasonic vibration and helical milling, which is applied in metal processing equipment, tangent devices, manufacturing tools, etc., can solve the problems of scrapped processing efficiency of parts and fast wear of taps, etc., to improve processing efficiency, reduce microcracks, and increase feed speed Effect
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[0039] Example: Carry out M10 thread processing on the silicon carbide particle reinforced aluminum matrix composite material with a volume fraction of 63%, and the processing thread accuracy requirement is 6H.
[0040] According to the requirements of the embodiment, it can be seen that the nominal diameter D of the M10 internal thread is 10mm, the pitch P is 1.5mm, and the minor diameter of the thread is D 1 8.6mm can be selected. The profiling grinding wheel on the tool head is electroplated with diamond abrasive grains with a particle size of 200 / 230, and the diameter of the profiling grinding wheel on the tool head is D s Choose 8.3mm, the diameter d of the tool rod in the middle of the tool is 4mm, the connection mode between the tool and the ultrasonic vibration tool holder adopts the conical sectional connection mode, the diameter of the central cooling hole in the tool axis is 2mm, and the vibration amplitude A at the end of the tool is kept at 5~ 7 μm. The profilin...
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