Patent ID: 9687952
Date: 2017-06-27
CPC Classifications: B24B

Claim:
1. An intelligent grinding device for short pulse electrical melt chip removal cooling, including a diamond grinding wheel ( 1 ) fixed on a grinding wheel shaft of a CNC grinding machine, a pulse power supply ( 10 ), a force meter sensor ( 4 ) fixed on a horizontal work table ( 5 ) of the CNC grinding machine, thermocouple ( 3 ) in a hole of work piece ( 2 ) for measuring machining temperature, a voltage sensor ( 12 ), a current sensor ( 11 ), a temperature collecting card ( 6 ), a charge amplifier ( 7 ), a force meter ( 8 ), a digital oscilloscope ( 13 ) and a discharge parameter feedback adjustment system ( 14 ), the diamond grinding wheel ( 1 ) is a metal-bonded diamond grinding wheel, the pulse power supply ( 10 ) having a positive pole connecting with the grinding wheel ( 1 ), and a negative pole connecting with the work piece ( 2 ), forming a discharge circuit, the voltage sensor ( 12 ) and the current sensor ( 11 ) respectively putting collected discharge voltage and current wave of the discharge circuit to be stored in a display terminal ( 9 ) through the digital oscilloscope ( 13 ), the thermocouple ( 3 ) connecting with the display terminal ( 9 ) by the temperature collecting card ( 6 ), and the force meter sensor ( 4 ) connecting in sequence with the charge amplifier ( 7 ), the force meter ( 8 ) and the display terminal ( 9 ), the discharge parameter feedback adjustment system ( 14 ) is used for self-adaptively adjusting voltage and current value of the pulse power supply ( 10 ) according to pulse discharge parameters including peak current, pulse continuous time, which are transformed by collected voltage and current wave characteristics, performing intelligent discharge grinding.