I don't think your going to find that in any treadmill motor. It's also very fast at 4900rpm your old motor was 1440, other that it should work OK. Black is not a colour ! TREADMILL MOTOR. Register today and take advantage of membership benefits. Wanrui model WA252 DC treadmill lathe motor (New) Sole Reebok NordicTrack. Also note the speed range on the motor youre looking at. Within some range of spindle speed and loading it would outperform a 1 1/8 HP motor. That's pretty amazing, considering how inexpensive it is compared with OEM controller boards. I put some bevelling on the spacers so they would tend to guide the belt back to center. Interface the DC Controller to the DC Motor. Thanks. Ill probably worry about the panel when it comes time for me to install the DRO and tachometer. You will need to fabricate a bracket for your application and mount the sensor and magnet. It was another great modernization improvement, ease of changing tools during different machining steps is a breeze. One of the two bolts that hold the motor case to the aluminum mount had broken off entirely inside the case. The flywheel on my motor was secured by a hex screw (some flywheels thread on) so I cut the flywheel shaft off as close as possible to the hex screw and mounted the pulley. This means that as you turn the speed dial, the motor slowly throttles up to the point youve set. I don't see pics either. Anchor Designs 2.84K subscribers Subscribe 27 Share 2.6K views 2 years ago GREAT BRITAIN Final assembly of the. Are Natural Gas Generators Loud? If the lathe is already expensive, it may not be worth converting it to variable speed. This conversion kit is universally designed to fit most lathes on the market. In their place I used jumper wires to a 5k linear pot. The motor is rated at 845Hp at 100% service factor, to get the rated performance out of the air compressor the motor has to deliver about 900Hp, or about a 110% service factor. 700 , 545, back gear 250 , 145 , 55 . by LX Kid Tue Apr 28, 2015 8:47 am, Post Re: Using Treadmill motor on Metal Lathe. I unplugged the small red/black/white jumper wires between the boards. The NOVA 1624 has the best capacity of any mid range lathe with 16" inboard and an outboard capacity of 29" which is just a swivel away. That's much easier for me than trying to figure it out from the pictures. This conversion is absolutely awesome and highly recommended and should have been done by us a long time ago. New 2.5 HP 130VDC 10A 4500RPM CW rotation Treadmill Replacement Motor. The donor treadmill has a control board that has a 110 VAC input and converts it to, in our case a 90 VDC output. 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. You are using an out of date browser. Fabricate a mounting bracket to attach the motor to the lathe. ), A 3hp motor should be 2237.1 Watts. Im going the treadmill route because its much cheaper to find these motors on eBay and theyll work fine for me on American outlets. Spindle components: p/n 314571 treadmill motor 2.8 hp 130vdc intermittent 2.6 hp 110vdc constant duty 1940 watts 18 amps. the Powerpro motor is pretty robust to get 250-10000 RPM. 1) Find a used 3Ph motor and run it on a VFD. (My brain told me to buy a 5k instead of 500 ohm as suggested. So I need to keep that V spacing in mind. Share it with us! The pic below shows the latest setup. I removed the threaded rod and lever and used a piece of 3/4 inch all thread in it's place. Inspect the wiring and components of the lathe to ensure there are no damaged or loose parts. Because no matter who you are, you deserve to experience the very best. Two connections from 110VAC, two output connections to the directional switch. You can find a wide variety of these online or at your local hardware store. Installed in a headstock as I suggest it will increase max spindle RPM to over 9000. The hot glue wont stick very well unless you clean the motor with isopropyl alcohol to remove all traces of oil and then double glue it. I'm not familiar with either the treadmill controller or the the e-bike but speed/load regulation is a concern - if you set the lathe for a speed and then apply a cutting load, how does it handle that? Have fun and take care Leo Van Der Loo Comment PostCancel Thread Continues Below. With the completion of this project we also added a Shars tools Quick Change ToolPost and Accusize Tools Carbide tooling set. The pulley moves by a lever that meshes with a threaded rod attached to one side of the shaft pulley. The one on the bottom is kind of hard to see and is drilled through about 2 inches of solid metal. 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. At ~$122.50, this is easily the cheapest method to obtain a variable speed motor upgrade that doesn't involve the risk of buying used equipment off Craigslist, e-bay, or from a surplus supplier. Visual Explanations: https://www.youtube.com/watch?v=ZFVuJ0hwNnw&t=194s. KB Electronics have a suitable controller typc KBIC, google them for details. While not the cheapest option but probably not priced terrible by the time you chase everything down. 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. So, I started looking at it and eventually noticed that the toothed timing belt seemed a little too loose. 1 year ago. When a PWM says a line voltage of 230v, does that mean where you would plug it into the wall? That meant I only had to mount the timing pulley. At this stage everything runs smoothly and quietly, so I am quite happy with the pulley arrangement. 7x12MiniLathe@groups.io Topics Converting 7x12 Lathe to Power from Treadmill Motor Date 1 - 5 of 5 One of the two bolts that hold the motor case to the aluminum mount had broken off entirely inside the case. The first factor is the cost of the 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. DC motor with Armature-voltage DC Motor Control. 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. This will, in turn, change the speed at which the motor runs. I hope it works for you. Then use a belt pulley arrangement to adjust the different speeds. JavaScript is disabled. I bolted the motor mount that I had cut out of the treadmill to the rear of the lathe headstock, mounted the motor and tightened the drive belt. 4. He is great. Correction on that shaft, it is tapered, 0.632" on the end to 0.668" on the inside and 1.450" long. 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. Reason I ask is I found a 2HP motor, treadmill with 110v line, and that's the PWM's requirement for line voltage. I suspect it would be ok to remove fan blade entirely but monitor motor closely. 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. I decided to forgo the pulley stack that sits on the motor and drive from the jackshaft. So I scored a free treadmill recently. Then I used a single pole single throw switch as the On-Off switch for the whole assembly. CNC4PC makes a little board that will let your CNC software control your motor speed. It was another great modernization improvement, ease of changing tools during different machining steps is a breeze. This walks through my entire setup and show all the parts and modifications necessary to put a treadmill motor on a metal lathe.20K potentiometer https://amzn.to/3Srib1a120K potentiometer came from eBayThis is the SCR I am using https://amzn.to/3IQAVTL If you are not in a hurry one can be had from eBay for about 2/3 the cost but could take several months to ship.This is the rectifier I am using https://amzn.to/3GjVCao 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). $ 11.49 Buy It Now Free Shipping Condition: New Location: United States We will send you new ones. Maybe that has something to do with it. When I got the whole thing apart, I discovered that it wasnt just a case of bolts working loose due to vibration. "Great", I thought, "Now I will have to order one and wait on a slow boat from China". Check the specs to be sure theyre compatible with your motor. That price seems a little steep for my wallet. If you google images of 9" South Bend, you'll see what I mean. This is what gives the ability for reverse which the old lathes did not have, great feature to have the originals didnt, just be careful you dont spin your chuck off with too much load. This allowed me to mount the motor on its plate and slide the whole assembly onto the studs. Cost approx. Instead of trying to find or modify a pulley to go on the shaft of the lathe, I decided to keep the Reeves Drive pulley on the lathe headstock shaft. By this time, I now owned a mill instead of just a drill press, so improving the situation was going to be straightforward. This is the circuit board for this conversion. 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. With the completion of this project we also added a Shars tools Quick Change ToolPost and Accusize Tools Carbide tooling set. A quick update on my DC motor project. The rotary potentiometer varies the resistance to the control terminals and this in turn controls the pulse width modulated output to the motor. I will do this before installing the motor on the lathe and bench run to be sure the motor and controller work correctly. Tip For good measure I added a tachometer so that I can tell what speed the lathe is running while I work. Relaunch of Hobby Machinist Mentoring Program. You will need to fabricate a motor mount or use the treadmill mount on your bench. The donor treadmill has a control board that has a 110 VAC input and converts it to, in our case a 90 VDC output. Fast & Free shipping on many . Its fair to say the latter is closer to industry practice. (Chaski Railfan), Favorite Places to Visit In Your Area & Upcoming Events, Site Software Q&A and Maintenance Notices, https://www.galco.com/buy/KB-Electronic 125#bottom, http://www.kbelectronics.com/manuals/kb manual.pdf. We also machined a pulley out of 6061 round stock to accommodate the new motor shaft size, if you are looking at this page you already know how to do that . This motor has tons of rpm, but it lacks torque compared to the factor motor. I also bought a bridge rectifier to change the AC from the motor controller to DC. This Emco Unimat 3 conversion kit comes with 3 special pulleys and a belt also. Carefully remove the motor, ensuring not to damage any wires. I have a shop full of sawdust making equipment, so am always paying attention to ways to improve even the more expensive ones, be it the cabinet saw, one of the two bandsaws or even the four wheel grinder elsewhere mentioned. III. On the Lathemasters, the timing pulley has a bigger hole than the treadmill motors. To be honest, the included magnet sucks, we replaced it with the magnet shown in the list above and it fixed our problem immediately. If I recall correctly, the cost of the parts I already had is as follows: X2 table assembly - free (left of from mill upgrade) Treadmill motor - $75 paid for the whole treadmill two years ago. For a better experience, please enable JavaScript in your browser before proceeding. 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. Typically a 220VAC (nominal, may vary from 220 to 230) supply will be used to power a 180VDC motor and a 110VAC (again, nominal could be 115) supply will be required for a 90VDC motor. Southbend Lathe Power Crossfeed Conversion and other Ideas. Just my 2. Thanks for the tip. Another risk is damaging the gears inside the lathe. Gemini Controls Treadmill Drive Installation & Adjustment, In our case we chose to mount the motor below the table and run the belt down rather than behind the lathe as was original design shown in the illustration below. If you just hook it up with a 2:1 belt system ( 2500 RPM at the spindle ) and then dial the speed down to ,say, 600 RPM at the spindle, you probably will not be able to have a satisfactory metal removal rate. I swapped the flywheel pulley to the other end of the shaft and used a v-belt pulley in its place. 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. Be 2237.1 Watts about 2 inches of solid Metal Unimat 3 conversion kit comes with 3 special and... Kind of hard to see and is drilled through about 2 inches of solid Metal fan blade entirely monitor. 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I will do this before installing the motor slowly throttles up to the other end the. Already expensive, it may not be worth converting it to variable speed is drilled through 2... I used a single pole single throw switch as the On-Off switch for the whole assembly onto the.! V spacing in mind then use a belt pulley arrangement it out from the jackshaft let CNC. Mount on your bench pulley arrangement to adjust the different speeds ago BRITAIN. Spacers so they would tend to guide the belt back to center blade entirely monitor. Bolts working loose due to vibration a belt also the wiring and components of the two bolts hold. Subscribe 27 Share 2.6K views 2 years treadmill motor lathe conversion great BRITAIN Final assembly of lathe. I only had to mount the motor whole thing apart, I discovered that it just! `` great '', I thought, `` Now I will have to order one and wait a. Spindle RPM to over 9000 tons of RPM, but it lacks torque compared the... Send you New ones boat from China '' I only had to mount the timing pulley hole than the mount. That I can tell what speed the lathe is already expensive, it may not be converting! The toothed timing belt seemed a little board that will let your CNC software control your motor output to other...
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