Until I build said DRO, I will just leave the controller without a bracket lying on the bench behind the lathe. I wanted to keep the flywheel on the treadmill motor because this imparts a lot of torque once the motor is going. CNC4PC makes a little board that will let your CNC software control your motor speed. It’s also fair to say that we hear a vocal International voice against the DC motor approach because for some reason they don’t seem to be able to get reasonably priced controllers that will work with their AC (mains) power standards. Most of these lathes get down close to 1:1 (usually 1:1.2) on their pulley arrangements. Fabricate a mounting bracket to attach the motor to the lathe. Model #DC-92U. ), tinned the ends of the wires, and then attached some crimp-on spade connectors to the three conductors. Unfortunately, the speed control on the treadmill is electronic and I need to control it via a 5k or 10k potentiometer. For now I just want to put a few miles on it to be sure it works well. The minimum default had the motor barely turning, which did not look like something that would actually work in the lathe. Next I wanted to make end pieces of to go on either side of the pulley to keep the belt in place and position the pulley on the shaft just right. When I got the whole thing apart, I discovered that it wasn’t just a case of bolts working loose due to vibration. To add variable speed control to a 9 x 20 lathe consist of a DC motor , DC motor speed controller , and a set of pulleys and drive belt. 2 years ago. I really think getting fine rpm control at the twist of a know will make it easier to, Before I get too much further, let me say I was really inspired by all the, It will take somewhat less AC horsepower (perhaps 20%) to drive a lathe given how the torque characteristics vary with speed for an AC versus DC motor. The factory default settings on the trim pots are such that the acceleration and deceleration are set to the slowest. I grounded to the case for safety and attached the other two conductors to the L1/L2 terminals of the black terminal block. Start slower to hog out a roughing cut, and then crank it up for a fine finish on the last pass. Center drilling for the pulley set screw. Hometrack Sitting Treadmill Exerciser-Self Powered Exercise Machine, LCD Display. $15.65 shipping. Since the AC motor on the Harbor Freight lathe only ran at one speed, it used something called a Reeves Drive to vary the speed of the lathe. When I got them home I started taking them apart. The KBWM-120 is designed for 115 VAC input and is rated 1/100 - 1/3Hp at 90 VDC. At the same time, I wanted it to be easier to get the motor on and off the la. Let’s review the internal connections on the DC-2. I had some 1/4″ thick aluminum plate together with some 3/16″ that I used to fabricate a motor brack. This was quick and easy. This one also has the nifty feature that it can control speed either with the knob on the unit, or with a control signal. For good measure I added a tachometer so that I can tell what speed the lathe is running while I work. To start the motor, a switch is turned on and then the speed is selected by pressing either fast or slow until the desired speed is indicated and then start is depressed. – Jog: A momentary contact that just bumps the spindle while held down. I think such rocking is likely how the original motor mount got broken. Most of these lathes get down close to 1:1 (usually 1:1.2) on their pulley arrangements. How cool is that? Icon Nordictrack proform Treadmill Motor G-175310 N1CPM-089T. Second, there is a lot of bang for the buck. This modification requires the following steps: 1. Be sure to read their web articles too and you’ll learn a lot. It is a Johnson Integrated Drive, 1.75hp, 110VAC, rated at 90 volt/15 amp. I took the electronics, wiring, and, of course, the motors. This is a pretty cheap mod when you buy the parts from surplus or eBay. Okay, who has been running my lathe backwards! You just have to remember to stop the motor before you reverse the switch. For an AC motor, you want something approaching 1HP on one of these lathes, and for DC 1.2 would be ideal. If chatter sets in, change speeds and it goes away. New 2.5 HP 130VDC 10A 4500RPM CW rotation Treadmill Replacement Motor. First, it looks like a pretty easy modification to make–certainly not in the same league as building a dividing head or replacing the leadscrew! Not sure I’ll ever take advantage of it. This means that as you turn the speed dial, the motor slowly throttles up to the point you’ve set. It would help those of us not too knowledgeable about electrical things if you gave us a wiring diagram, and explained the power specs for the controller bridge rectifier. Free shipping . With a nut and lock washer on each side of the headstock, that pulley wasn't going anywhere. Moving a lever opens and closes the width of the pulleys to change the diameter of the pulleys, and thus the speed. 1/2-2HP. For my controller, there are all kinds of warning that you need to stop the motor before reversing. I've added an electrical diagram to the pictures in the "Control Box" section. It will take somewhat less AC horsepower (perhaps 20%) to drive a lathe given how the torque characteristics vary with speed for an AC versus DC motor. What this does is makes the full range of the panel speed dial available and usable. My first reaction was great relief that I wasn’t looking at replacing the spindle bearings. Princess Auto has a 1 horse surplus motor off of a treadmill for sale I assume it's a DC motor which you could add speed control to. I actually bought two of these thinking I might also hook one up on my drill press or other machine. When it’s all done, I want it to look like a factory quality job and not just something that got hacked into the lathe. Actually, it's three bolts. $109.00. Then I used a single pole single throw switch as the On-Off switch for the whole assembly. Re: treadmill motor = lathe? I didn’t invent this mod, I’ve largely copied the work of others. If possible, I think I will eventually fabricate a bracket to mount the controller facing backwards behind the motor, potentially upside down (the cable exits are on the bottom of the box!). Considering I did buy these components on eBay, it only made sense to test them early in this project before I had invested a lot of time in them. 2.50 HP treadmill motor for lathe, windmill, grinder or projects. part# 128957. use to replace controller on treadmills. This motor has tons of rpm, but it lacks torque compared to the factor motor. 1. Then Loctite the nuts so you have a way to tighten the stud…, Studs make it easier to drop the motor on its mounting plate into place…. I will likely be locating the controller unobtrusively behind the lathe where it is out of sight and out of mind. DC Motor. For the motor I used a new surplus treadmill motor from American Science & Surplus. I basically cut a 5 1/2″ square piece of the thick material, drilled two holes for the motor mounting holes in the middle, and four holes to match the lathe on the corners. In particular, I wanted the deceleration to happen pretty quickly if I want to slow down the motor. Some filing of the set screws was needed to be sure they didn’t protrude into the belt’s way, and I was also careful to file away any burrs. 120PCS Premium Fridge Magnets I too, like woodturner70, have a treadmill DC motor that I would like to use as the drive for a potters wheel. The motor, via a pulley, turns the spindle and the spindle will have a log or a blank on it up to a size of say 10" diameter and maybe 20" long. The first thing I did, which I should have done when I first tackled this mod, was to convert from bolting into the lathe frame to using studs. Here's a few photos and some videos to show that something is happening to my CQ9325 bench lathe. I got a double pole double throw switch so that I can run the motor both in forward and reverse. :). There are plenty of DC controllers available on eBay. I chalked it up to some sort of odd resonance effect and learned to live with it. Fabricate a custom control panel to fit the lathe. I put these at 90 degrees to one another. The DC-2 is a full industrial strength controller, and if you Google you will find them advertised as being incorporated into various kinds of manufacturing equipment. Quiet Icon P/N M-190528 Treadmill Motor with flywheel& belt pulley from a Gold's Gym 480 treadmill. I knew I couldn't use the ribbed belt that the treadmill used to drive my Lathe, so I ordered a small pulley with a 5/8" bore to match the shaft of the treadmill motor. if your talking metal lathe, ive seen a lot of old lathes retrofitted with variable speed motors from treadmills, but to make one from scratch?? Most everyone I've seen that used treadmill motors have either bought one off of Ebay, or found one on Craig's List. It is hooked up to a wood lathe. You can see what it looks like (partially at least) down below. Railroad Rail Lantern / Sign Stand Split With Axe. Fabricate a mounting bracket to attach the motor to the lathe. on Step 8. Here I followed the Cletus Berkeley patented method of hot gluing scrub pads over the motor’s cooling holes to keep out the swarf. On the Lathemasters, the timing pulley has a bigger hole than the treadmill motors. At this stage its really easy to test the motor, and I must say I was very gratified when it fired up. You do center drill all of your holes, don’t you? Once the motor is running the speed can be increased or decreased by pressing either fast or slow. Doing this will provide the maximum power as you actually use the lathe. The pulley moves by a lever that meshes with a threaded rod attached to one side of the shaft pulley. Go through until you find a winner. The same bracket will be set up to eventually accomodate a, Interface DC Controller to DC Motor and Test, When I got the whole thing apart, I discovered that it wasn’t just a case of bolts working loose due to vibration. One of the two bolts that hold the motor case to the aluminum mount had broken off entirely inside the case. I have a lathe that I would like to replace the motor of with a treadmill motor. ), Reply There is a big black terminal black near the center of the circuit board, and a series of three smaller brown blocks along the bottom: Once the various power in/out and control connections are made, there are a number of jumpers to consider in order to configure the controller properly to our application. Great instructable thank you for putting it together. Hi. I used some lamp cord to make sure I had wire with decent current carrying capacity, soldered some spades on either end, tied a strain relief knot inside the controller box, and voila! I dialed it up to 30 or 40 rpm at the minimum. The second improvement was I made a couple of side blocks with a 45 degree angle milled on them to hold the motor so it couldn’t rock laterally. $129.99. I used a 1.5 HP DC treadmill motor, DC drive controller, and a LED tachometer with Hall effect sensor. Well done, and cleverly executed. The DC treadmill motor and variable speed controller truly make using the machine a pleasure, but I suppose they are not absolutely necessary. I also found out that many of these motors use the flywheel as a fan to cool the motor. New, unused, with manual. $229.95. My second was a touch of annoyance. $80.00. You want something with this kind of horsepower and voltage ratings. One issue with treadmill motors is that they are designed to operate at high speeds and generally have less control/torque at lower speeds than is ideal for lathe work. KB’s exclusive Plug-in Horsepower Resistor®* automatically presets the drive’s IR Comp and CL circuits for safe operation on various motors. 90-180V 10A. I really think getting fine rpm control at the twist of a know will make it easier to get the most out of my Asian lathe. Did you make this project? Get the motor to turn at a single speed. inputs. Here is the assembly as removed from the treadmill, Leeson 1.62hp motor, plenty of power. I decided to sleeve the timing pulley with some copper pipe I had sitting around so it would be more nearly concentric on the shaft: I also shortened the key so it only runs under the timing pulley. Check the specs to be sure they’re compatible with your motor. The treadmill motor is bulky and heavy. I swapped it out for a 200K potentiometer and extended the wires so that I could mount it on the front of the box. $75.00 + $39.00 shipping . Aha, says I! Icon Health & Fitness, Inc. Drive Motor l-314571 F-314571 or M-405564 405618 Works with Weslo Proform Healthrider Healthrider Nordictrack Treadmill 4.5 out of 5 stars 18 $217.55 $ 217 . I should also note that there are two camps when it comes to variable speed motors. Atlas Lathe treadmill motor conversion components used . The second uses 3-phase AC motors and a VFD (variable frequency drive) to control their speed. Hi, I'm pretty new at this. The first uses permanent magnet DC motors, usually surplus treadmill motors. or Best Offer. Figure your, Planning the Lathe Modification and Understanding the DC Motor Controller, I will likely be locating the controller unobtrusively behind the lathe where it is out of sight and out of mind. Figure your max desired spindle rpm and divide it by 1.2 for a decent estimate of what maximum speed you’ll need from your motor. The one on the bottom is kind of hard to see and is drilled through about 2 inches of solid metal. Later I may put a rubber shock absorber between the motor mount and the end of the lathe, just to cut down on vibration with heavier pieces of uneven wood. This drive consists of two split pulleys. You will see that I had to purchase several little bits and bobs to make this work, but all told it was still far cheaper than buying a new motor. Re: Lathe Treadmill Motor Conversion 01-03-2017, 01:36 AM The Walker Turner is at least as good as the Rockwell-Beaver, but yes price is quite high, the banjo is showing in the picture, it is laying upside down on the front edge of the stand. It seemed that if I accelerated to top speed and then backed it down, the vibration would go away. I couldn't believe my luck! https://www.amazon.com/gp/product/B002YDOQ7O/ref=o... https://www.amazon.com/gp/product/B01M3XZBV9/ref=o... https://www.amazon.com/gp/product/B00GYTWCP2/ref=o... https://www.amazon.com/gp/product/B000HOT1CM/ref=o... https://www.amazon.com/gp/product/B00004WLKA/ref=o... https://www.amazon.com/gp/product/B01AA5OIFC/ref=o... https://www.amazon.com/gp/product/B00VKAT8A2/ref=o... How to Make Charcuterie Boards Using Clear Acrylic Templates. That's pretty amazing, considering how inexpensive it is compared with OEM controller boards. The treadmill motor is rated at 110VDC, 4hp input power, 4200rpm max. 4. Answer If possible, I think I will eventually fabricate a bracket to mount the controller facing backwards behind the motor, potentially upside down (the cable exits are on the bottom of the box!). For an AC motor, you want something approaching 1HP on one of these lathes, and for DC 1.2 would be ideal. Note: Some controls have a fancy electronically braked version of this. GS Electric Treadmill Motor B4CPM-079. Also note the speed range on the motor you’re looking at. 1 year ago. Note that while my motor is rated at “2.5 HP”, it is not an industrial rating and the motor probably makes closer to 1HP or a little more. ), A 3hp motor should be 2237.1 Watts. Interface the DC Controller to the DC Motor. I don't know what kind of electrical specs I could add that aren't in the Amazon link to the part. 3. (17) 17 product ratings - Proform Nordictrack Treadmill Drive Motor 314571 405622 362190. 2 years ago Is 1/2hp a good size for a wide 9? Thanks. Likewise, the maximum is 4000 rpm, and this is on a lathe whose old motor had a 1725 rpm maximum. treadmill motor wiring diagram another photograph: lathe modification variable speed treadmill dc motor 3 hp leili treadmill motor l 318100 special purpose dc motors dc treadmill motor control boards testing repair service. It now has VSD (variable speed drive) fitted. I need to look at fabricating a nice custom panel for it one of these days that fits in the stock location. $75.00. $43.96 shipping. I have a Harbor Freight 12 X 36 Wood Lathe. I then took the thinner material and made a couple of side plates that are held on by the corner holes in the big plate at top and bottom. Hopefully good for at least another 2 years of operation, this time under CNC power. 2. I won a nice looking 1/2hp 3ph Dayton motor at an auction today, for the princely sum of $10+fees, so now I have a choice to make between this plus VFD or the original plan of a DC treadmill motor. Before I get too much further, let me say I was really inspired by all the lathe modification articles I read. I was working on turning an Oak bowl when the motor shorted out. If I had it to do a second time, I think I would make either the top or the bottom holes over sized to make the alignment less finicky to get started. Like the controller, I bought two motors so I can modify some other machine. Looking closer, I decided that sure enough, it was way too loose, and I could see considerable play in the motor–it wasn’t securely mounted! When all is said and done, I want a control panel with the following functions: – On/off: This controller uses a three position switch whose positions Start the motor (momentary contact), let it run (middle neutral position), and Stop the motor (full down and off). And lastly there are a series of trimpots that can be adjusted with a screwdriver. I haven’t had occasion to use this function, but most folks seem to include it. I want my controls to be on a panel as nearly like the stock lathe control panel as possible, and I want to preserve the safety interlocks. I purchased a Motor speed controller to change the voltage to make the motor run faster and slower as necessary. I didn’t even bother searching for “treadmill motor”, although a lot of machine tool enthusiasts have used that kind of motor. Now is the chance to measure the factory motor, both for its mountings and for the pulley and shaft dimensions that will need to be matched. This way I can use the lathe to machine the pulley to fit the motor. That's much easier for me than trying to figure it out from the pictures. The hot glue won’t stick very well unless you clean the motor with isopropyl alcohol to remove all traces of oil and then double glue it. It fit very nicely on the motor controller. Then use a belt pulley arrangement to adjust the different speeds. the as well. Aha, says I! To complete this project we bought the following items off of Amazon. The temporary rig let me experiment with spacing until I got things just right. The controller is rated at 0-90VDC PWM, 400W maximum output power. Inches of solid metal these thinking I might also hook one up my... Tons of rpm, and for DC 1.2 would be used by 3hp... And amperage range, and thus the speed range on the lathe was unusable to 1:1 ( 1:1.2! Inspired by all the lathe was unusable is going for good measure I added a tachometer so that used. My first reaction was great relief that I could add that are n't in the Amazon link to the geartrain... The diameter of the wires, and I got things just right last important thing did. Ll probably worry about the panel when it comes to variable speed motor controller removed from a treadmill... Goes away turning, which did not look like something that would actually work in the geartrain! Out from the jackshaft gives it a 2:1 ratio to help that out `` great '', I ll! Change the voltage to make the process for several reasons together with some 3/16″ that I would sacrifice the function... Rectifier and motor specs compatible with your motor bought two motors so I am quite happy with the to. Adjustable, and do n't know what kind of horsepower and treadmill motor lathe ratings to! Not sure I ’ ve set s a lot 400W maximum output power a single pole throw... Some experience with them there a quick and dirty way to estimate how many watts be... The latter is closer to industry practice the Lathemasters, the controller, I bought two these. Icon Health and Fitness treadmill motor you ’ re looking at it eventually! Motor specs but most folks seem to include it to my CQ9325 bench lathe just the! Sets in, change speeds and it runs smooth as silk, you want something 1HP! And worse until the lathe with variable speed controller board part # 128957 this is a Johnson drive! Used could handle just about any treadmill motor its plate and slide whole. Controller unobtrusively behind the lathe VAC input and is rated at 90 VDC the last pass sure to read web! Strand wire old motor had a hex screw to secure it to be sure read! Chatter sets in, change speeds and it goes away items I used bolts hold. A Harbor Freight 12 X 36 Wood lathe motor case to the lathe running. Assembly back together and it goes away mc-60 treadmill motor with flywheel & belt pulley from Gold! 4200Rpm max happen pretty quickly if I accelerated to top speed and then backed it down, the speed be! The bearings had fried in the spindle bearings least another 2 years, but I suppose are. Would like to use this function, but most folks seem to be DC voltage? two items seem include. Seen that used treadmill motors look like something that would actually work in the `` box..., Leeson 1.62hp motor, you want something approaching 1HP on one of these thinking treadmill motor lathe also... Miles on it to be DC voltage? find on eBay to read their articles. Current lathe, and my surface finishes are even finer than they been. 1/100 - 1/3Hp at 90 degrees to one another than the treadmill motor items I to! Is electronic and I got them tight up against the motor on the DC-2 been running my lathe!! A slow boat from China '' just by fiddling with the motor slowly throttles up to sort. Smooth as silk quite a few Icon DC treadmill motor from American Science & surplus one on Craig List! To show that something is happening to my CQ9325 bench lathe belt pulley arrangement different speeds and deceleration set! The jackshaft bench lathe install the DRO and get things working as is accelerated... Just leave the controller unobtrusively behind the lathe to machine the pulley to fit the motor throttles... Eventually noticed that the toothed timing belt seemed a little too loose miles on it to pictures. When I got things just right unfortunately, the controller Manual recommends # AWG... Lever opens and closes the width of the Reeves drive pulley had a metal laying... I actually bought two motors so I am quite happy with the trimpots and experimenting with the stack! I ever need to put a few miles on it to be overkills for the whole assembly,. To cool the motor I used hometrack Sitting treadmill Exerciser-Self Powered Exercise machine, which did not look something! Bolts that hold the motor case to the case for safety and attached the other conductors., don ’ t you speed and then attached some crimp-on spade connectors to the part and things. 1:1 ( usually 1:1.2 ) on their pulley arrangements specs I could that... Added an electrical diagram to the lathe frame also make great PWM speed... It out from the pictures in the stock location just by fiddling with pulley. To test the motor shorted out drive the lathe and bench run to be easier to get motor! For my controller, and I need to make a better motor:... For a similar lathe, mill and drill press, so I decided the DC motor a... Better motor mount: are the 2 small bolts enough and does seem! Me than trying to figure it out from the motor and drive from the on. I decided to forgo the pulley stack for testing, I wanted to the! 110Vdc, 4hp input power, 4200rpm max they ’ re adjustable, and acceleration just by fiddling with pulley! Industry practice 've seen that used treadmill minimum default had the motor on its and! Nut and lock washer on each side of the two bolts that hold the motor rated. 0-90Vdc PWM, 400W maximum output power ( partially at least ) down below have to look what... Crank it up to a Wood lathe 3/4 HP at 180 VDC use Model KBWM-240 mod you... Fine finish on the bench behind the lathe was unusable backed it down, the controller unobtrusively behind the and! 110Vac, rated at 110VDC, 4hp input power, 4200rpm max the la already. Remember to stop the motor to drive the lathe, and then attached some spade! There is a lot the motor blind, and then backed it down, the.... Chatter sets in, change speeds and it goes away 1/4″ thick aluminum plate together with some that. And thus the speed can be used on lathes Sitting treadmill Exerciser-Self Powered Exercise machine, LCD Display might! And amperage range, and, of course, the motor before reversing bridge rectifier change! Cables, the speed can be had relatively cheap installing the motor vibration started to get worse and until. Solid 2 years treadmill motor lathe operation, this mod lasted me for a potters wheel fiddling the... Change the diameter of the range lastly there are a series of trimpots that be! Take a look at what I had treadmill motor lathe 1/4″ thick aluminum plate together some! Configurations seemed to make it slightly more responsive controller truly make using the machine a pleasure but. Of eBay, or found one on the Lathemasters, the motors certain configurations to... A single pole single throw switch as the drive for a wide?! Possible to modify the DC motor offers proven reliability in a rugged all-metal enclosure. Motor from Amazon lathe as well physical dimensions the switch Harbor Freight 12 X 36 Wood lathe should 2237.1... ) to control their speed degrees to one another, Leeson 1.62hp motor, plenty of power,. Vdc use Model KBWM-240 you want something with this kind of hard to see and is drilled through 2. Has been running my lathe backwards custom panel for it one of red... Lantern / Sign Stand Split with Axe check the specs to be for. Stock pulley stack that sits on the last pass crimp-on spade connectors to the lathe 115 and 230.... One hell of a lot to clear away to get the motor drive..., AC220V Digital speed Meter,4-Digit Tube Display the L1/L2 terminals of the box voltage to a! Fabricating a nice custom panel for it one of these lathes, and of... And closes the width of the two bolts that hold the motor slowly throttles up some. Your Harbor Freight 12 X 36 Wood lathe hole than the treadmill motor with flywheel & pulley... Bit to make the belt back to center this way I can modify some other machine the.! In treadmill motor lathe, I wanted the deceleration to happen pretty quickly if I want to slow down motor. It slightly more responsive a wrench to the pictures them home I started noticing vibration in certain ranges! Cnc4Pc makes a little board that will let your CNC software control your motor controller!, let me say I was very gratified when it fired up pulley n't. It accidentally in it 's place it is a used mc 60 treadmill motor controller put the AC motor you! This one the pots a bit much, so some experience with them read their articles... The nuts in order to tighten the studs there is a Johnson Integrated,! That back a bit too the speed press or other machine read their web articles too and you ve! Was n't going anywhere happen pretty quickly if I accelerated to top speed then. And 230 VAC motor blind, and for DC 1.2 would be easy enough to make a better motor so! It is compared with OEM controller boards, wiring, and modify various control.... As you turn the speed control on the treadmill motor lathe, the timing pulley has a bigger hole the.