kaustin | Posted in Turning and Carving on July 4, 2009 03:14am. This arrangement is typical of most older treadmills and the preferred circuit board type for simple power tool conversions. TREADMILL MOTOR. This modification requires the following steps: 1. I was going to make a larger mainshaft pulley, but space is too limited, so the cover needs modifying too. With the completion of this project we also added a Shars tools Quick Change ToolPost and Accusize Tools Carbide tooling set. The brightness variation on the tach numbers is due to the camera, not the tach. I actually bought two of these thinking I might also hook one up on my drill press or other machine. Anchor Designs 2.84K subscribers Subscribe 27 Share 2.6K views 2 years ago GREAT BRITAIN Final assembly of the. A wood lathe is a, How to Make Pool Cues With a Lathe? I was working on turning an Oak bowl when the motor shorted out. In their place I used jumper wires to a 5k linear pot. We happened to have a treadmill that was broken that we used as donor components of the motor and control board, the rest of the required items were purchased. By this time, I now owned a mill instead of just a drill press, so improving the situation was going to be straightforward. The answer to this question depends on a few factors. I fianlly got it all working and here is the scoop. Go through until you find a winner. DC Permanent Magnet with PWM controller (Great for torque at all speeds).2 wires to the motor (Usually). Share it with us! This can be helpful in achieving a more precise cut or in making adjustments for different materials. If youre not sure which method would be best for your particular application, its always best to consult with an expert before proceeding. by wsippola Wed Apr 29, 2015 6:34 pm, Post I havent had occasion to use this function, but most folks seem to include it. Like with any machinery, there are always potential risks involved when modifying or converting your lathe to variable speeds. Yes, line voltage refers to the AC supply voltage. The pulley moves by a lever that meshes with a threaded rod attached to one side of the shaft pulley. You are using an out of date browser. 4. When I got the whole thing apart, I discovered that it wasnt just a case of bolts working loose due to vibration. This way I can use the lathe to machine the pulley to fit the motor. Not many would spend the time to explain such things in the depth that you present. Visual Explanations: https://www.youtube.com/watch?v=FSMGOP01ulw. Mill-Drill-Lathes. $ 11.49 Buy It Now Free Shipping Condition: New Location: United States We will send you new ones. Now, it works great.The wonder of a killer deal aside, no Reeves drive could compare to the convenience of an electronic variable speed beast. 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. She was told the control boards were toasted, and chose to replace the TM instead of fix it. I assured him it would not get thrown away. The only tool required is a drill and tap set to tap new mounting holes in the lathe bed. Seriously. It is rated at 1.5 hp and for continuous running. Is there a quick and dirty way to estimate how many watts would be used by the 3hp motor running at 130V? Are There Any Potential Risks of Converting Your Lathe to Variable Speeds? 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: Some controls have a fancy electronically braked version of this. Would the controller's specs of 20-220V and (probably) 5KW at 130V be good enough if someone had, say, a 3hp 130V dc motor? Industry: Navigational, Measuring, Electromedical, and Control Instruments Manufacturing , Personal and Household Goods Repair and Maintenance , Other Miscellaneous Retailers , Architectural, Engineering, and Related Services , Scientific Research and Development Services See All Industries, Measuring and controlling devices, nec, Repair services, nec, Direct selling establishments, Testing . Opinions? The maximum current on the motor rating plate will give you full power. Most everyone I've seen that used treadmill motors have either bought one off of Ebay, or found one on Craig's List. Option 1; Replace 1.5 hp motor ( the newer motors are much better than the early ones), replace control board, and upgrade to the duel pulley set up. One of the potential risks is that of damaging the motor. Treadmill motors operate on DC voltage, so I was going to need to convert the 120 volts of AC from the wall outlet to DC. This risk can be minimized by making sure that all electrical connections are made correctly and that all electrical components are properly grounded. Read This to Find Out Whether You Can Run a Portable Generator in a Shed. The three phase type motors with the single phase to three phase inverters can perform very well in a wood Lathe such as the upper end Powermatic and Jet Lathes Read This Before Making, Simplified Steps of Making a Pool Cue Using a Lathe If you love playing pool, you know. I will definitely keep the step pulley, and probably put a 3" pulley on the drive. by LX Kid Tue Apr 28, 2015 9:29 pm, Post "Great", I thought, "Now I will have to order one and wait on a slow boat from China". For good measure I added a tachometer so that I can tell what speed the lathe is running while I work. I have had to bore out pulleys before to accommodate these odd dc motor drives, but never one as big as a step pulley. I dialed it up to 30 or 40 rpm at the minimum. Another risk is damaging the gears inside the lathe. Well.. You want something with this kind of horsepower and voltage ratings. The brightness variation on the tach numbers is due to the camera, not the tach. Copyright 2023 Home Tools Pro | Powered by Astra WordPress Theme. Sep 21, 2019 at 8:52pm. by LX Kid Tue Apr 28, 2015 8:54 pm, Post Comnpatible with SIEG SC2 and HiTorque mini lathes. $700.00. There are a few different ways to convert your lathe to variable speed. Well done, and cleverly executed. You will need to fabricate a motor mount or use the treadmill mount on your bench. today was the day. New 2.5 HP 130VDC 10A 4500RPM CW rotation Treadmill Replacement Motor. #7. if you can install the origanal 4 speed motor pulley on the dc motor, you can mount the motor rigidly. I even got one of those red safety covers for this switch so I wouldn't flip it accidentally. Fabricate a custom control panel to fit the lathe. For an AC motor, you want something approaching 1HP on one of these lathes, and for DC 1.2 would be ideal. You can find a treadmill motor kit at your local hardware store. JavaScript is disabled. 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. Reason I ask is I found a 2HP motor, treadmill with 110v line, and that's the PWM's requirement for line voltage. I need to look at fabricating a nice custom panel for it one of these days that fits in the stock location. For testing, I will just use the front panel controls on the DRO and get things working as is. Having now completed the modification, I have to say that it is fabulous! (I hate math, but these two examples figure out to be this at 475 RPM: Bobbin = 23 feet per minute . An external fan that directs a flow over motor may be needed for extended turning times. He is great. The motor slipped the 3M system belt; the 5M system belt stopped the motor. The same bracket will be set up to eventually accomodate a DRO. The third factor is the value of having a variable speed lathe. Once the belt is removed, you can begin working on the conversion. Thanks for the good words. Also note the speed range on the motor youre looking at. Jog: A momentary contact that just bumps the spindle while held down. Mill-Drill-Lathes. - with a simple disconnect for when I don't need it? I chalked it up to some sort of odd resonance effect and learned to live with it. This was slightly touchy. The picture shows how to do the wiring. With the completion of this project we also added a Shars tools Quick Change ToolPost and Accusize Tools Carbide tooling set. Home > 2023 > April > 9 > Electric Brushless Conversion Kit Speed Controller For Go Kart Scooter 72V 3000W Electric Brushless Conversion Kit Speed Controller For Go Kart Scooter 72V 3000W. Once I was convinced. I should also note that there are two camps when it comes to variable speed motors. 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. At the low end, I can run it at a virtual crawl ~100 rpm), but can stop it by hand until I get the rpm up to just over 400 rpm. $125.62. I've had the motor and controller running on the bench for a few days while I pondered the belt and pulley requirements. It is similar in size to Sieg SC4 lathe but it has a AC reversible motor and belt and pulley system for speed control. by LX Kid Wed Apr 29, 2015 3:35 pm, Post jimi. 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. It sounds complicated but installing the motor and making it work is rather easy. Figure your max desired spindle rpm and divide it by 1.2 for a decent estimate of what maximum speed youll need from your motor. Why? The motor cooling does not keep up with high torque low speed cuts, you need to use the belts. Another potential risk is that of electric shock. You can see what it looks like down below. I will do this before installing the motor on the lathe and bench run to be sure the motor and controller work correctly. I did a search on (variable, controller, controler) motor and bid on this one. Top. The thread "Mini lathe reduction gear" peaked my interest when Ralph suggested a motor replacement with a Consew variable speed brushless DC motor. This forum is dedicated to those hobbyists with the 3-in-1 metalworking machines. You do that to a motor and sooner or later something is going to give. It looks like the controller you used could handle just about any treadmill motor you could find. 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: Wiring for Start/Stop/Jog uses these three: 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. There are many benefits to using variable speed control. So I need to keep that V spacing in mind. Fabricate a pulley assembly to allow the motor to drive the lathe geartrain. This conversion is absolutely awesome and highly recommended and should have been done by us a long time ago. With the treadmill conversion changing speeds or hitting the exact speed you need is as simple as turning a knob without turning the machine off, super convenient. You just have to remember to stop the motor before you reverse the switch. 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