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Thread: Looking to add a treadmill motor to a JD Wallace vintage bandsaw.

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  1. #1
    Supporting Member C-Bag's Avatar
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    The MC-60 as far as I can find is a PWM but that kind of stuff is above my pay grade. Like I mentioned it's a really common controller it turns out. There's even talk about it on the CNC forums and I guess there's mods for it. I wish there was a pin out for the controller that was on the mill I got gym motor off of, but unlike the MC-60 all the contols connected thru a single ribbon plug. Very pro and tidy. It also sat on top of a unit that is all choke/coils ? and the motor output went from controller board thu one of those coils then to the motor. Do you know what they are for? Speaking of eBay, there's a guy on there selling mill motors with what looks like the stock MC-60 controller with vid demos. In the demo there's a smaller coil like mine and he says" you don't even need this, very simple" he keeps saying.

    I have no idea if this box I got is going to work long term but I like the control layout. And the use of a knob for speed means theres no memory or poking the control panel for speed control. But the box is plastic and has no mount tabs and looking at all these controllers they use the al unit they are built on as a heat sink so I don't want to drill into the box to mount for fear of drilling into the board/heat sink and it being enclosed like this is it going to get hot? Too many questions for a poor noob.......
    Last edited by C-Bag; Aug 25, 2015 at 07:23 AM.

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    Supporting Member jere's Avatar
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    Quote Originally Posted by C-Bag View Post
    The MC-60 as far as I can find is a PWM but that kind of stuff is above my pay grade. Like I mentioned it's a really common controller it turns out. There's even talk about it on the CNC forums and I guess there's mods for it. I wish there was a pin out for the controller that was on the mill I got gym motor off of, but unlike the MC-60 all the contols connected thru a single ribbon plug. Very pro and tidy. It also sat on top of a unit that is all choke/coils ? and the motor output went from controller board thu one of those coils then to the motor. Do you know what they are for? Speaking of eBay, there's a guy on there selling mill motors with what looks like the stock MC-60 controller with vid demos. In the demo there's a smaller coil like mine and he says" you don't even need this, very simple" he keeps saying.

    I have no idea if this box I got is going to work long term but I like the control layout. And the use of a knob for speed means theres no memory or poking the control panel for speed control. But the box is plastic and has no mount tabs and looking at all these controllers they use the al unit they are built on as a heat sink so I don't want to drill into the box to mount for fear of drilling into the board/heat sink and it being enclosed like this is it going to get hot? Too many questions for a poor noob.......
    I did a quick search for the mc-60, its definitely a pwm and are in lots of different mills like you said. was the choke part a donut with some windings around it? if so it is for limiting interfering "dirty" ac current frequencies. then let "ckean" DC frequency pass thru if the. DC motor can run without it I would suspect there to still be long term problems like shorter motor life maybe speed control and or power output. maybe someone else might chime in I don't know much on the subject either unfortunately.

    as for mounting I would just open the plastic box up if possible. then find a spot on the extruded al heat sink that is out of the way. run a bit and bolt through the plastic and metal in the same spot Looking to add a treadmill motor to a JD Wallace vintage bandsaw.-20150825_124048.jpg
    you might have some space to work with like this one
    Looking to add a treadmill motor to a JD Wallace vintage bandsaw.-20150825_124153.jpgLooking to add a treadmill motor to a JD Wallace vintage bandsaw.-20150825_124518.jpg
    Looking to add a treadmill motor to a JD Wallace vintage bandsaw.-20150825_124501.jpg
    this is sort of how the other Taiwanese controller was mounted. the heat sink is bolted to half of the mounting box. I am planning to make a dust cover and bolt on a support to the galvanized steel sheet. the fan from the motor blew air over the board so I will add a small fan to replace it.

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    Supporting Member C-Bag's Avatar
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    Quote Originally Posted by jere View Post
    I did a quick search for the mc-60, its definitely a pwm and are in lots of different mills like you said. was the choke part a donut with some windings around it? if so it is for limiting interfering "dirty" ac current frequencies. then let "ckean" DC frequency pass thru if the. DC motor can run without it I would suspect there to still be long term problems like shorter motor life maybe speed control and or power output. maybe someone else might chime in I don't know much on the subject either unfortunately.

    as for mounting I would just open the plastic box up if possible. then find a spot on the extruded al heat sink that is out of the way. run a bit and bolt through the plastic and metal in the same spot Click image for larger version. 

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    you might have some space to work with like this one
    Click image for larger version. 

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ID:	4448Click image for larger version. 

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ID:	4449
    Click image for larger version. 

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    this is sort of how the other Taiwanese controller was mounted. the heat sink is bolted to half of the mounting box. I am planning to make a dust cover and bolt on a support to the galvanized steel sheet. the fan from the motor blew air over the board so I will add a small fan to replace it.
    That was my guess on the coils too. The gym model controller I have is a big double decker thing and includes the inclination gear motor controller. I know my electron theory, can use a voltmeter and can solder really good, but sometimes I wish I would have applied myself more diligently in my electronics classes in high school. Because I have AMG(anti math gene) I thought by my second year I was not suited for the field. That was waaaaay before calculators So I know just enough to get myself in trouble and don't want to get into deep yogurt. The electronics part of this whole thing is my weakest point, so this thread is exactly what I was hoping to pull some of the folks who are good at electronics and could help maybe lend a hand to drop 'er down a gear and give some pointers.

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