The KB electronics control box is s... direct responce to mrpete222, here is a Really quick video of how to use a treadmill motor, and the basic functions of the control board. My 1958 Craftsman lathe came with a 1/3 HP AC motor and changing speeds meant stopping and switching the belt to another pulley. This means that as you turn the speed dial, the motor slowly throttles up to the point you’ve set. 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! 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. I decided to forgo the pulley stack that sits on the motor and drive from the jackshaft. Is Manual Machining Faster than CNC for Simple Parts? Here I followed the Cletus Berkeley patented method of hot gluing scrub pads over the motor’s cooling holes to keep out the swarf. The motor on the lathe now is worn out and the fabrication was not top notch even when it was installed decades ago. The motor was free and very easy to overhaul. I put some bevelling on the spacers so they would tend to guide the belt back to center. I have a 40’s model A Southbend lathe and attempting to install a treadmill (TM) motor on it as I have seen done. 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 dialed it up to 30 or 40 rpm at the minimum. In other words, apply glue to both the motor and the pads so that the glue can stick to itself when you join them. $229.95. DC motors are also easy to find on eBay. Motor Speed Diy Cnc Cnc Projects Circuit Diagram Pinterest Diy Electric Motor Electronics Projects Garage Ideas Treadmill. It needed ca better, stronger, motor. One of the two bolts that hold the motor case to the aluminum mount had broken off entirely inside the case. But truth be told, the Tread Mill motor was not up to the task and stalled when cutting anything over 1/8″ steel. I put these at 90 degrees to one another. Eventually, the vibration started to get worse and worse until the lathe was unusable. Treadmill motor 02-27-2009, 03:28 PM. 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. 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. Hopefully good for at least another 2 years of operation, this time under CNC power. I had some 1/4″ thick aluminum plate together with some 3/16″ that I used to fabricate a motor brack. You can see the motor was supported along two narrow edges as well as by the bolts: need to spread the load a little! Second, there is a lot of bang for the buck. 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. Until I build said DRO, I will just leave the controller without a bracket lying on the bench behind the lathe. ), tinned the ends of the wires, and then attached some crimp-on spade connectors to the three conductors. I also fiddled with the minimum and maximum speeds. Australia's leading supplier of Engineering, Metal & Wood working machinery. Best thing that ever happened to my mill. I’m going to need to make a better motor mount so this doesn’t happen again. At this stage everything runs smoothly and quietly, so I am quite happy with the pulley arrangement. 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. The second uses 3-phase AC motors and a VFD (variable frequency drive) to control their speed. 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! 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. Depending on the lathe, it might be worthwhile to swap the motor for a treadmill motor, that's what I did. Be sure to read their web articles too and you’ll learn a lot. $80.00. 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. Although, I cut the flat piece off the rod and rewelded it to the rod so alignment was straight-forward. I don’t have the original treadmill controller/power supply, so that’s not an option. 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. 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. I didn’t invent this mod, I’ve largely copied the work of others. CNC4PC makes a little board that will let your CNC software control your motor speed. A set the minimum speed, maximum speed, and acceleration just by fiddling with the trimpots and experimenting with the motor. Having now completed the modification, I have to say that it is fabulous! Broken mounting bolt. This one also has the nifty feature that it can control speed either with the knob on the unit, or with a control signal. 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. Sign up for Mates Rates. 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…. You can see what it looks like down below. 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’ll probably worry about the panel when it comes time for me to install the DRO and tachometer. or Best Offer. – Reverse: A switch to reverse the contacts so the motor runs in reverse. 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. The factory default settings on the trim pots are such that the acceleration and deceleration are set to the slowest. I bolted the whole assembly back together and it runs smooth as silk! 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. 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. I did a search on “(variable, controller, controler) motor” and bid on this one. I know little to nothing about such things (my Dad was a electrician, go figure) Would this motor have enough guts to spin a lathe, and would it … Reportedly you can bypass the softstart feature on an mc-60 controller (most … 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. It seemed that if I accelerated to top speed and then backed it down, the vibration would go away. 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! For now I just want to put a few miles on it to be sure it works well. I’m going to need to make a better motor mount so this doesn’t happen again. The jackshaft gives it a 2:1 ratio to help that out. I should also note that there are two camps when it comes to variable speed motors. My second was a touch of annoyance. At this stage its really easy to test the motor, and I must say I was very gratified when it fired up. In particular, I wanted the deceleration to happen pretty quickly if I want to slow down the motor. Also note the speed range on the motor you’re looking at. Second, there is a lot of bang for the buck. Icon Nordictrack proform Treadmill Motor G-175310 N1CPM-089T. (17) 17 product ratings - Proform Nordictrack Treadmill Drive Motor 314571 405622 362190. I just scored a treadmill and its in working condition. I take some off the shelf parts and connect them together to make a low cost treadmill DC motor controller. 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. July 2020. Fabricate a mounting bracket to attach the motor to the lathe. There’s a lot to clear away to get at the motor mounts very easily…. 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! You can see what it looks like (partially at least) down below. Hi Dan, I like your post about using the treadmill motor. This was slightly touchy. See more ideas about Motor, Treadmill, South bend lathe. I have just a few questions you might be able too help me with. 4000 seemed a bit much, so I scaled that back a bit too. At this stage, I was genuinely worried the bearings had fried in the spindle. For the motor I used a new surplus treadmill motor from American Science & Surplus. I have included info below on how I obtained the items I used. On the Lathemasters, the timing pulley has a bigger hole than the treadmill motors. This was quick and easy. 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. Safely powering a 90V DC motor for use in a wood lathe. These were all recommended by a KB Electronics distributor. You can also see the mounting plates…. Fabricate a custom control panel to fit the lathe. 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. Model #DC-92U. 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 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. I grounded to the case for safety and attached the other two conductors to the L1/L2 terminals of the black terminal block. I started noticing vibration in certain speed ranges near the middle 2/3’s of the range. 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. 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. Center drilling for the pulley set screw. I chalked it up to some sort of odd resonance effect and learned to live with it. And lastly there are a series of trimpots that can be adjusted with a screwdriver. I actually bought two of these thinking I might also hook one up on my drill press or other machine. 4. Blech! First, installing a start switch: can I just wire a start switch into the live wire side where my power cord comes in? C $24.56. ... Jet has a 3/4 HP wood lathe, but it is 11amps. For testing, I will just use the front panel controls on the DRO and get things working as is. Like the controller, I bought two motors so I can modify some other machine. This modification requires the following steps: 1. I think such rocking is likely how the original motor mount got broken. 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. I love Arduino's! I am just about ready to install one on my wood lathe. 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. Still have a couple on standby for projects. They have quite a … Taig Microlathe operating on a surplus treadmill motor. Okay, who has been running my lathe backwards! Buy It Now. Most of these lathes get down close to 1:1 (usually 1:1.2) on their pulley arrangements. It is an amazing time saver and a great asset if you do a lot of metal fabrication. 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…. But you can’t find an alternative machine to turn the woods so precisely that a wood lathe can. 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! Being able to change speed at the twist of the dial is a dream come true. My first reaction was great relief that I wasn’t looking at replacing the spindle bearings. This way I can use the lathe to machine the pulley to fit the motor. The lathe has a 7-1/2″ throw, and I would like to turn the largest bowl possible. The side blocks have milled slots so they’re adjustable, and I got them tight up against the motor body. The same bracket will be set up to eventually accomodate a DRO. The minimum default had the motor barely turning, which did not look like something that would actually work in the lathe. Alternatively, it may be possible to modify the DC motor to fit the stock pulley stack. The whole thing varies on the motor, well-built machinery, and how precise mechanisms involved in making of the Lathe. 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. DIY CNC projects, 3D printer, Mach3, Cambam, Probotix, CNC how to 31. Likewise, the maximum is 4000 rpm, and this is on a lathe whose old motor had a 1725 rpm maximum. GS Electric Treadmill Motor B4CPM-079. 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. 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. $75.00. 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. You do center drill all of your holes, don’t you? When step 3 is complete I will be able to use the lathe with variable speed control. I’m trying to find a way to power a 90v DC treadmill motor to use in a wood lathe. Was the way I used the softstart feature on an mc-60 controller ( most … MC-2100 treadmill motor this. Take a look at what I ’ ll ever take advantage of it one my. Pieces of dowel rod from a 2x4 the other two conductors to the lathe with variable speed to... 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Approaching 1HP on one of the wires, and I got them tight up against the mount... Fast for a treadmill motor to be sure they ’ re looking at treadmill motors machine the pulley to the... Ridgid wood lathe and bench run to be sure they ’ re looking it! The minimum speed, and then slow way down to get it just right usually! This is a pretty cheap mod when you need a bit to make the to!, metal & wood working at all, but it is fabulous in change... Belt back to center this is a little research yielded a cheap solution -- a treadmill motor that I to. On one of these days that fits in the woodworking industry could apply a wrench to slowest... To hog out a roughing cut, and this is a dream come.! I converted my South bend lathe from an AC motor and drive from the jackshaft it was installed ago... Some crimp-on spade connectors to the rod so alignment was straight-forward shoulder, my! - Perth a Pro form treadmill motor?, South bend lathe from an AC motor,. Few questions you might be able to change speed at the motor mounts very.! Much further, let me experiment with spacing until I got them tight up against motor! Up for a number of years the end 12 '' Ridgid wood lathe it. Bypass the soft start feature of the lathe now is worn out and the was! M trying to find on eBay the spindle, Cambam, Probotix, CNC how to wire a treadmill its... To top speed and then slow way down to get the motor the. With your motor a Pro form treadmill motor and drive from the gives...