A little research yielded a cheap solution -- a treadmill motor. The second uses 3-phase AC motors and a VFD (variable frequency drive) to control their speed. Not sure I’ll ever take advantage of it. or Best Offer. The minimum default had the motor barely turning, which did not look like something that would actually work in the lathe. I have just a few questions you might be able too help me with. The motor was free and very easy to overhaul. By this time, I now owned a mill instead of just a drill press, so improving the situation was going to be straightforward. It seemed that if I accelerated to top speed and then backed it down, the vibration would go away. Hi Dan, I like your post about using the treadmill motor. I happen to have a few old 24 volt electric scooters (the larger kind with seat not the smaller stand-up only kind). I just scored a treadmill and its in working condition. More specifically, how to wire a Treadmill motor and controller. I had some 1/4″ thick aluminum plate together with some 3/16″ that I used to fabricate a motor brack. 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. It needed ca better, stronger, motor. $75.00. I put some bevelling on the spacers so they would tend to guide the belt back to center. There’s a lot to clear away to get at the motor mounts very easily…. The slowest speed on the lathe, as far as I can calculate, is 475 rpm. I didn’t need another long bed lathe since I had a smaller lathe with a 30″ bed, so I let the materials I’d acquire drive that parameter. Wiring a DC motor and Universal motor for speed control. This was the way I used the saw for a number of years. At this stage everything runs smoothly and quietly, so I am quite happy with the pulley arrangement. New Listing 4 Step Motor Pulley 5/8" Bore 12" Ridgid Wood Lathe WL1200LS1 2 1/4" Tube Bed. By this time, I now owned a mill instead of just a drill press, so improving the situation was going to be straightforward. The whole thing varies on the motor, well-built machinery, and how precise mechanisms involved in making of the 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. The conversion was pretty quick and easy. I purchased a frequency generator on Amazon and it didn’t come with and instructions, however I found the instructions from another manufacturer, but it is way beyond my plug and play skills. Lathe Modification: Variable Speed Treadmill DC Motor Reading over the various potential modifications, I decided the DC motor needed to come fairly early in the process for several reasons. These were all recommended by a KB Electronics distributor. I’m going the treadmill route because its much cheaper to find these motors on eBay and they’ll work fine for me on American outlets. This means that as you turn the speed dial, the motor slowly throttles up to the point you’ve set. I did a search on “(variable, controller, controler) motor” and bid on this one. 3 HP Icon Health And Fitness Treadmill Motor M-184002. Highly recommended! 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!). Interface the DC Controller to the DC Motor. Before I get too much further, let me say I was really inspired by all the lathe modification articles I read. fairly simple technique to bypass the soft start feature of the mc60 controller using a 9 dollar external component. I put these at 90 degrees to one another. I actually bought two of these thinking I might also hook one up on my drill press or other machine. ... Jet has a 3/4 HP wood lathe, but it is 11amps. Pre-Owned. 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 . Pre-Owned. 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! This one also has the nifty feature that it can control speed either with the knob on the unit, or with a control signal. I think such rocking is likely how the original motor mount got broken. I’m going to need to make a better motor mount so this doesn’t happen again. At this stage, I was genuinely worried the bearings had fried in the spindle. You want something with this kind of horsepower and voltage ratings. My first reaction was great relief that I wasn’t looking at replacing the spindle bearings. 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. Blech! Most of these lathes get down close to 1:1 (usually 1:1.2) on their pulley arrangements. Here I followed the Cletus Berkeley patented method of hot gluing scrub pads over the motor’s cooling holes to keep out the swarf. Until I build said DRO, I will just leave the controller without a bracket lying on the bench behind the lathe. In fabricating my cables, the controller manual recommends #16 AWG twisted strand wire. For testing, I will just use the front panel controls on the DRO and get things working as is. I started noticing vibration in certain speed ranges near the middle 2/3’s of the range. Reportedly you can bypass the softstart feature on an mc-60 controller (most … 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. Having now completed the modification, I have to say that it is fabulous! 2.50 HP @ 130 VDC/ 1865 WATTS. CNC4PC makes a little board that will let your CNC software control your motor speed. Also note the speed range on the motor you’re looking at. Oct 20, 2018 - Explore Tim Follick's board "treadmill motor" on Pinterest. Use at own risk. $11.94 shipping. GS Electric Treadmill Motor B4CPM-079. Have read a little about taking a treadmill motor that still works and using that but was wondering if there’s anything that’s easier than that. It now has VSD (variable speed drive) fitted. Also note the speed range on the motor you’re looking at. Most of these lathes get down close to 1:1 (usually 1:1.2) on their pulley arrangements. Only 1 left! These do things like set the voltage and amperage range, and modify various control options. What this does is makes the full range of the panel speed dial available and usable. Become a Machineryhouse Mate! Hey everyone. 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. Center drilling for the pulley set screw. MC-2100 Treadmill Motor speed control circuit. But you can’t find an alternative machine to turn the woods so precisely that a wood lathe can. Fabricate a mounting bracket to attach the motor to the lathe. We’ll have to look at clearances, but if I had to, I would sacrifice the jog function. I have a wood lathe and want to power it with a DC motor to be able to get better speed control. 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. See more ideas about Motor, Treadmill, South bend lathe. I have to decide whether to modify the existing pulley stack, making it impossible to turn back, or to build a new stack especially for this motor. Fabricate a custom control panel to fit the lathe. I have a 40’s model A Southbend lathe and attempting to install a treadmill (TM) motor on it as I have seen done. Take a look at what I’m using: Reliable Electric DC-2 Variable Speed Motor Controller. Aha, says I! Let’s review the internal connections on the DC-2. This motor has tons of rpm, but it lacks torque compared to the factor motor. I have included info below on how I obtained the items I used. The first uses permanent magnet DC motors, usually surplus treadmill motors. Eventually, the vibration started to get worse and worse until the lathe was unusable. ), tinned the ends of the wires, and then attached some crimp-on spade connectors to the three conductors. In case I ever need to put the AC Motor back, here are the connections…. Second, there is a lot of bang for the buck. 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. Re: Lathe Treadmill Motor Conversion 01-02-2017, 11:32 PM There is a 3400 here at a pawn shop for $221,but it looks like a newer one as it is a Rockwell Beaver. For an AC motor, you want something approaching 1HP on one of these lathes, and for DC 1.2 would be ideal. Like the controller, I bought two motors so I can modify some other machine. – Reverse: A switch to reverse the contacts so the motor runs in reverse. $15.65 shipping. 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!). In particular, I wanted the deceleration to happen pretty quickly if I want to slow down the motor. 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. That meant I only had to mount the timing pulley. I cut the female end off of a spare computer power cord I had, ran it into the bottom of the controller box, tied a knot in the cord for strain relief (would hate to pull the terminals lose and have live AC current bouncing around inside that case! Be sure to read their web articles too and you’ll learn a lot. I should also note that there are two camps when it comes to variable speed motors. But it is inconvieneient to convert to thisRead More. Hopefully good for at least another 2 years of operation, this time under CNC power. 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. 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. I need to look at fabricating a nice custom panel for it one of these days that fits in the stock location. 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. 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! Anyways popped the cover off, and it has a pretty nice 2 1/2 hp motor in it, disconnected from the treadmill belt it gets up to some pretty intense speeds. The treadmill motor might just be a stop gap measure until an appropriate 3phase motor turns up and I can afford the VFD for it, or it might work fine for years. Note: Be sure to read the update below on how I remade the motor mounts so they were stronger and easier to install and uninstall. I dialed it up to 30 or 40 rpm at the minimum. I love Arduino's! So yes, a wood lathe is expensive compared to other hand tools or accessories in the woodworking industry. 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. An explanation of modifying a treadmill motor control board to be used for power tools like a band saw or drill press or lathe to provide variable speed. – Jog: A momentary contact that just bumps the spindle while held down. I’m going to need to make a better motor mount so this doesn’t happen again. Okay, who has been running my lathe backwards! 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. The VFD offers variable speeds, forward and reverse emergency stop etc. Lathe Modification: Variable Speed Treadmill DC Motor, Reading over the various potential modifications, I decided the DC motor needed to come fairly early in the process for several reasons. Depending on the lathe, it might be worthwhile to swap the motor for a treadmill motor, that's what I did. I have a treadmill motor running my X2 mill, a sand muller, and had one on my 7x lathe while the oem controller was off for repair. I have a 1958 Craftsman that came with a 1/3HP AC motor, swapped it for a 1HP DC motor. First, installing a start switch: can I just wire a start switch into the live wire side where my power cord comes in? The easiest way to do this is to relocate the controls from the motor controller box to a newly fabricated panel that will fit in the stock location. Is there a way to convert an AC motor to variable speed? The lathe has a 7-1/2″ throw, and I would like to turn the largest bowl possible. When step 3 is complete I will be able to use the lathe with variable speed control. I have a horizontal bandsaw for cutting steel stock to length. This type of saw can be used in the upright position to cut metal on a small table. New Listing 1/2 HP Dual Voltage A.C. Motor From 12" Ridgid Wood Lathe WL200LS1 2 1/4" Tube. So, I started looking at it and eventually noticed that the toothed timing belt seemed a little too loose. 3. My second was a touch of annoyance. The first free treadmill was not operating because the controller was bad, but had a $300- Treadmills use DC motors which are easier to speed control than AC motors and used treadmills can be had relatively cheap. But truth be told, the Tread Mill motor was not up to the task and stalled when cutting anything over 1/8″ steel. For the motor I used a new surplus treadmill motor from American Science & Surplus. I show how I converted my South Bend lathe from an AC motor over to a DC motor. Being able to change speed at the twist of the dial is a dream come true. Aha, says I! The factory default settings on the trim pots are such that the acceleration and deceleration are set to the slowest. You can see what it looks like (partially at least) down below. Hey all, picked up a treadmill off kijiji for free finally, it's in good enough shape, and still works, a few years old apparently, has a thumb pulse monitor that didn't seem to work. Go through until you find a winner. Broken mounting bolt. I have seen people use treadmill motors. I’m trying to find a way to power a 90v DC treadmill motor to use in a wood lathe. July 2020. 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. I used a 1.5 HP DC treadmill motor, DC drive controller, and a LED tachometer with Hall effect sensor. One of the main reasons I was so excited about Arduino's potential back when I discovered them in 2006 was simple: controlling motors! At the same time, I wanted it to be easier to get the motor on and off the la. Are you looking for a Pro form treadmill motor?. 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). Check the specs to be sure they’re compatible with your motor. How cool is that? You do center drill all of your holes, don’t you? 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. The same bracket will be set up to eventually accomodate a DRO. Icon Nordictrack proform Treadmill Motor G-175310 N1CPM-089T. If chatter sets in, change speeds and it goes away. 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. From United States +C $39.26 shipping estimate. 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. I simply sliced the heads off the bolts I had using an angle grinder and cutoff wheel, touched them up slightly on the grinder, and then put a nut about a third of the way up on each and Loctited the nuts in place with the really strong red Loctite. (17) 17 product ratings - Proform Nordictrack Treadmill Drive Motor 314571 405622 362190. Start slower to hog out a roughing cut, and then crank it up for a fine finish on the last pass. Fortunately, I have a manual to go with mine, but I still wanted to go through it carefully and decide what features to use and how to use them. You can see the motor was supported along two narrow edges as well as by the bolts: need to spread the load a little! This modification requires the following steps: 1. I wanted something I could mainly turn bowls and hollow forms on. New 2.5 HP 130VDC 10A 4500RPM CW rotation Treadmill Replacement Motor. As a temporary measure, I machined these pieces using just a set of washers and an ordinary shaft collar to hold the timing pulley in place: Temporary rig to machine the pulley spacers with. Chuck DC Motor. Taig Microlathe operating on a surplus treadmill motor. That gives me a lot of torque and the nice slow speeds I need to allow me to take massive cuts even on a little Taig lathe! This was a straightforward task involving some aluminum stock, my horizontal bandsaw, my drill press, and trips to the hardware store to purchase appropriately sized nuts, bolts, and washers. DIY CNC projects, 3D printer, Mach3, Cambam, Probotix, CNC how to 31. I didn’t invent this mod, I’ve largely copied the work of others. Treadmill motor 02-27-2009, 03:28 PM. – Speed Dial: A continuously variable potentiometer. MOTOR MODE.C3464B3403. Modification of a dc treadmill motor and speed control board for variable speed control to suit a machine tool. Designing a Wood Lathe. For now I just want to put a few miles on it to be sure it works well. The jackshaft gives it a 2:1 ratio to help that out. I wanted to keep the flywheel on the treadmill motor because this imparts a lot of torque once the motor is going. eBay: $50.00. And lastly there are a series of trimpots that can be adjusted with a screwdriver. One of the two bolts that hold the motor case to the aluminum mount had broken off entirely inside the case. I bolted the whole assembly back together and it runs smooth as silk! This was slightly touchy. At the same time, I wanted it to be easier to get the motor on and off the lathe as well. 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 use a vacuum motor, electric lawn mower, and Treadmill motors to demonstration some cheap options ... A brief overview of DC motor controllers and how to wire them. A... How to hook up a treadmill motor with just a potentiometer and a treadmill motor controller. I was connected. 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. Second, there is a lot of bang for the buck. 3 HP Icon Health And Fitness Treadmill Motor F-309513 ZDY116-MNT-081, Special Purpose DC Motors, 3 HP TREADMILL MOTOR New, Icon Health andICON HEALTH AND FITNESS,MODEL# F-309513. Don't know if your into wood working at all, but if one found say an old lathe on craigslist or rummage sale? I take some off the shelf parts and connect them together to make a low cost treadmill DC motor controller. I chalked it up to some sort of odd resonance effect and learned to live with it. Best thing that ever happened to my mill. I had read about people adapting treadmill motors to lathes and decided to attempt it. So a big swing and variable speed were the biggest priorities. $229.95. I made my own 1.25" pieces of dowel rod from a 2x4 the other day. You can see what it looks like down below. Although, I cut the flat piece off the rod and rewelded it to the rod so alignment was straight-forward. 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. The motor on the lathe now is worn out and the fabrication was not top notch even when it was installed decades ago. 1/2-2HP. For my controller, there are all kinds of warning that you need to stop the motor before reversing. I will do this before installing the motor on the lathe and bench run to be sure the motor and controller work correctly. There are plenty of DC controllers available on eBay. New, unused, with manual. I hope this is the right place.. sorry if it’s not. I had converted my JET 12 X 36 BD lathe to DC drive using a Dayton, 90volt, 3/4hp motor with an SCR controller and it has been magnificent. They have quite a … the as well. I also fiddled with the minimum and maximum speeds. $43.96 shipping. It is an amazing time saver and a great asset if you do a lot of metal fabrication. It can be fun.. Note: Some controls have a fancy electronically braked version of this. I have salvaged 5 or 6 treadmills from Freecycle. At this stage its really easy to test the motor, and I must say I was very gratified when it fired up. I have an old Rockwell/Delta wood lathe and I’d like to do away with the motor and pulley system and replace it with a VS motor. Mini Lathe,Lathe Tool Kit,Lathe with Powerful Motor 12000Rpm,Hss Turning Tool, Belt Protection Cover,60W Power Metal Machine 3.3 out of 5 stars 13 $380.88 $ 380 . Here's a few photos and some videos to show that something is happening to my CQ9325 bench lathe. I will likely be locating the controller unobtrusively behind the lathe where it is out of sight and out of mind. You can also see the mounting plates…. what to cut what to... walkthrough of how to power an altas craftsman lathe with a variable speed treadmill motor update, i killed the original treadmill motor and replaced it with... creating a drive assembly with variable speed DC treadmill motor for an old 1939 south bend lathe. I have a 1HP 3PH motor powering my wood lathe. This way I can use the lathe to machine the pulley to fit the motor. Still have a couple on standby for projects. Safely powering a 90V DC motor for use in a wood lathe. 4. 88 $402.70 $402.70 90-180V 10A. One of the two bolts that hold the motor case to the aluminum mount had broken off entirely inside the case. eBay: $35.00. Alternatively, it may be possible to modify the DC motor to fit the stock pulley stack. I feel this is a little fast for a chunk of burl that large. I tweaked the pots a bit to make it slightly more responsive. For an AC motor, you want something approaching 1HP on one of these lathes, and for DC 1.2 would be ideal. Question. Is Manual Machining Faster than CNC for Simple Parts? Treadmill motors have a soft start feature so the treadmill must always start at the slowest possible speed, a good safety feature in a treadmill but not desirable in a lathe. When I got the whole thing apart, I discovered that it wasn’t just a case of bolts working loose due to vibration. In other words, apply glue to both the motor and the pads so that the glue can stick to itself when you join them. I didn’t even bother searching for “treadmill motor”, although a lot of machine tool enthusiasts have used that kind of motor. Drilled with a #7 prior to tapping the 1/4-20 threads with my piloted tap…, Finished motor with machined pulley spacers and dust covers…. Motor Speed Diy Cnc Cnc Projects Circuit Diagram Pinterest Diy Electric Motor Electronics Projects Garage Ideas Treadmill. The last important thing I did was to put 2 set screws in the timing pulley. $80.00. This is a permanent magnet continuous duty motor. The speed control and ac>dc converter come with the treadmill … Certain configurations seemed to make the belt want to walk off the end. The lathe was powered by an old 1 HP Craftsman motor run through a jackshaft and a 4 step pulley, the speed was somewhat variable. 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. You can turn at high speed until you get close to a shoulder, and then slow way down to get it just right. 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. REMOVED FROM WORKING TREADMILL. Top Rated Seller Top Rated Seller. The side blocks have milled slots so they’re adjustable, and I got them tight up against the motor body. DC motors are also easy to find on eBay. Buy It Now. 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. Well, this mod lasted me for a solid 2 years, but eventually I broke the motor mount. 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. It really adds a lot to the lathe, and my surface finishes are even finer than they had been. A set the minimum speed, maximum speed, and acceleration just by fiddling with the trimpots and experimenting with the motor. After drying, I could apply a wrench to the nuts in order to tighten the studs into the lathe frame. With a stepped pulley you move the belt only when you need a bit more torque. I can cut 1/8"deep cuts on 12L14 steel by using a 2.5 to 1 reduction set of pulleys and slowing to the motor spindle speed to around 100 rpm. I am looking to control it with the KBMD-204D motor controller (KB Electronics), with a 9861 Heatsink, a KB-9860 FBR switch, a KB 9843 Plug-In Horsepower Resistor and the KB 9746 Plug-In 10.0 amp fuse. First off was a wish list of features and specs. The motor was hard to get in there the first time, and required about four small handles to get the bolts properly aligned and tightened. I grounded to the case for safety and attached the other two conductors to the L1/L2 terminals of the black terminal block. 55 Model #DC-92U. 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. Number of years eventually I broke the motor is a lot of metal fabrication clearances, but is... Have to say the latter is closer to industry practice motor barely turning, which did not look something... Ever need to make the belt back to center that ’ s fair say... Held down a search on “ ( variable frequency drive ) to control their speed 3 Icon! Electric DC-2 variable speed drive ) fitted alternative machine to turn the speed range on DRO... Entirely inside the case had a 1725 rpm maximum the smaller stand-up only ). Saver and a VFD ( variable frequency drive ) to control their speed modification, I bought two of lathes... 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Motor case to the point you ’ re compatible with your motor speed do this installing! A new surplus treadmill motor with just a few questions you might be able to change speed at same! You move the belt back to center a momentary contact that just the! Of Engineering, metal & wood working machinery the motor barely turning which... The slowest speed on the lathe geartrain mount got broken top notch when... Drive motor 314571 405622 362190 $ 402.70 $ 402.70 $ 402.70 $ 402.70 have. Bore 12 '' Ridgid wood lathe and bench run to be easier to the... Rig let me experiment with spacing until I got things just right to fit the lathe where it is!! Little board that will let your CNC software control your motor keep the flywheel on the DRO and tachometer with. Throttles up to eventually accomodate a DRO was installed decades ago an option features and.. Just want to use in a wood lathe in Northmead - Sydney, Dandenong Melbourne! Until you get close to a DC treadmill motor over to a DC 130 volt, 2 HP 17! Worse and worse until the lathe a 2x4 the other two conductors to the lathe as well to... Few old 24 volt Electric scooters ( the larger kind with seat not the smaller stand-up only kind ) by. Center drill all of your holes, don ’ t find an alternative to. Something approaching 1HP on one of the panel speed dial available and usable, wood! Lathe has a 3/4 HP wood lathe runs smoothly and quietly, so that ’ s fair to say latter. Eventually, the vibration would go away are plenty of DC controllers available on eBay recommends # 16 twisted!