Remember the Fisher & Paykel Smart Drive Washing Machine Wind Generator from earlier this month? Well it looks like there is more uses for those motors! How about recycling 3 used washing machines into a huge powerful CNC machine. It takes a bit of work but apparently the 3 phase stepper motor makes for a good and accurate CNC motor.
"The motors from a fisher and pykel washing machine are removed along with the control board. Three motors are required. Connecting the stepper motors to the HM30 machine The hole at the end of the plastic housing the motor spindle, slips over the end of the x,y axis on the mill table. The spindle is shortened and drilled to allow the shaft from the table to slide into the shaft from the washing machine. A tapered pin and hole, hold the two together. The motor is basicly a three phase stepper motor. Good luck finding a driver for it. A driver can be made by using the FETs from the washing machine controller. A PICAxe chip (see Oatley electronics) is programed to take the step and direction pulse’s and energise three outputs for the three coils (5 input/outputs fits on the PICXE08 model, this is programmed with free software on the serial port of the PC). The three outputs are used to drive a darlington pair in the chip ULN2003 (drives up to 8 outputs), this in turn drives our FETs from the washing machine."
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