joe4homes Posted March 1, 2006 Report Share Posted March 1, 2006 I have a 38 volt dc permanent mag. 900 RPM motor. I want to use it for a faceting machine which is for cutting gemstones. Can anybody give me a design to follow to be able to run off of household ac power and control the speed? Quote Link to comment Share on other sites More sharing options...
ante Posted March 2, 2006 Report Share Posted March 2, 2006 Hi joe,Welcome to our forum,We need to have more info on the motor, A, W and load to know what we are dealing with.And maybe your budget too! ;D Quote Link to comment Share on other sites More sharing options...
joe4homes Posted March 3, 2006 Author Report Share Posted March 3, 2006 Thanks for responding to my post. The only other thing on the motors tag is peak current rating:12 amps max. As far as the budget goes, I've don't have any idea what electrical components cost so I dont have any set amount in mind. At this point any suggestions would be great! Quote Link to comment Share on other sites More sharing options...
ante Posted March 8, 2006 Report Share Posted March 8, 2006 Hi Joe,Sorry for the delay, I haven’t been able to log in for a few days!You need a PWM Pulse Width Modulation control circuit to do this. I don’t know how much you’re into electronics? ;) Quote Link to comment Share on other sites More sharing options...
waferstar Posted March 10, 2006 Report Share Posted March 10, 2006 Dear,There is so many choice for you to use.1.If you are design a good products,you can choose the MCU to control the PWM CHIP to control the Motor2.you can use a Mcu with a PWM output to control the MOS transistor to control the motor3.If you just to design a easy tool for yourself ,you can use the adjustable resistance ,and the NE555,to output the different pulse width to control the MOS and then can adjust the DC motor.================================1.Extract the code for you from programed Mcu for legal use2.Specilized in the Microwave sensor,automatic door sensor,infrared sensor3.OEM PCB and design for you in Chinawww.wafersensor.com[email protected] MSN:[email protected] Quote Link to comment Share on other sites More sharing options...
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