treadmill motor lathe conversion

Still think I will work on a shroud to keep the dust away from the motor, i tried my dust collector around the lathe, doesnt work!! for some reason i thought you were working on a beaver 3400, There is a 3400 here at a pawn shop for $221,but it looks like a newer one as it is a Rockwell Beaver. by Torch Wed Apr 29, 2015 9:53 am, Post Once I was convinced. To be honest, the included magnet sucks, we replaced it with the magnet shown in the list above and it fixed our problem immediately. Reading over the various potential modifications, I decided the DC motor needed to come fairly early in the process for several reasons. It's also very fast at 4900rpm your old motor was 1440, other that it should work OK. Black is not a colour ! Reverse: A switch to reverse the contacts so the motor runs in reverse. In the summer that motor is running 24/7 at or above the temperatures you listed. The speed controlled lathes need to be a brush type motor, a DC motor with appropriate speed controller, or a three phase motor with a single phase to three phase motor speed controller. (This motor was supposedly rated at 3/4 horsepower, but those in the know say it's really more like 1/3 horsepower).I remembered that I've seen videos of how other people have used Treadmill Motors on other power equipment, so why not try to put one on the lathe? To me "line voltage" in house wall plug in! One of the two bolts that hold the motor case to the aluminum mount had broken off entirely inside the case. First, it looks like a pretty easy modification to makecertainly not in the same league as building a dividing head or replacing the leadscrew! Read This to Find Out Whether You Can Run a Portable Generator in a Shed. New 2.5 HP 130VDC 10A 4500RPM CW rotation Treadmill Replacement Motor. Compatible with SIEG SX2 and HiTorque mini mills. It ran perfectly once I stuck a paint stick into the plastic key slot. I don't think your going to find that in any treadmill motor. 2 run to the shunt-field current , 2 run to the armature. 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. Being able to change speed at the twist of the dial is a dream come true. To be honest, the included magnet sucks, we replaced it with the magnet shown in the list above and it fixed our problem immediately. Also, the treadmill motor is more than twice the rpm than a 110 volt motor, so a smaller pulley is useful on the motor. Different speeds were achieved by stopping the machine and changing the position of the belts on the different sized pulleys. Recycled. (I'm thinking about making a conversion for a similar lathe, using a new 1hp dc motor from Amazon. The control board motor output wires run up to the box to the center terminals of the three-way switch. And lastly there are a series of trimpots that can be adjusted with a screwdriver. Read This, Is it Really Possible to Convert a Wood Lathe Into a Metal Lathe? Also note the speed range on the motor youre looking at. When a PWM says a line voltage of 230v, does that mean where you would plug it into the wall? Save my name, email, and website in this browser for the next time I comment. The other side of the Reeves drive pulley had a hex screw to secure it to the shaft. Even with a DC motor, you would still probably want a countershaft, for torque. Great instructable thank you for putting it together. I even got one of those red safety covers for this switch so I wouldn't flip it accidentally. Have fun and take care Leo Van Der Loo Comment PostCancel Thread Continues Below. Is Converting a Lathe to Variable Speed Cheaper Than Purchasing a Lathe Comes with Speed Controls? Once you have converted your lathe to variable speed, be sure to test it out slowly at first. 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! Gradually increase the speed to get a feel for how it responds. (I googled it.) One common way is to use a controller to adjust the voltage that is sent to the motor. Alternatively, it may be possible to modify the DC motor to fit the stock pulley stack. Anchor Designs 2.84K subscribers Subscribe 27 Share 2.6K views 2 years ago GREAT BRITAIN Final assembly of the. Tips, techniques, modification and use of these machines is topical. 97. This is a permanent magnet continuous duty motor.eBay: $35.00. Consider a 3 phase motor an a variable frequency drive. Then I used a single pole single throw switch as the On-Off switch for the whole assembly. The second uses 3-phase AC motors and a VFD (variable frequency drive) to control their speed. Not sure Ill ever take advantage of it. #7. by LX Kid Tue Apr 28, 2015 8:47 am, Post Certain configurations seemed to make the belt want to walk off the end. Three terminal connections of which a 10,000 OHM rotary potentiometer is connected to. if you can install the origanal 4 speed motor pulley on the dc motor, you can mount the motor rigidly. This forum is dedicated to those hobbyists with the 3-in-1 metalworking machines. Go through until you find a winner. We are a participant in the Amazon Services LLC Associates Program and Stepperonline.com affiliate advertising programs designed to provide a means for us to earn fees by linking to Amazon.com and Stepperonline.com sites. A treadmill for example just plugs into your wall outlet, runs the juice through a transformer along with some rectification to convert to DC and then feeds that to the 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. The link belt is easy to adjust size as necessary and it also does not hold a set like regular v-belts which cause machine vibration and chatter in small lathes. Quick question on motor mount: are the 2 small bolts enough and does it seem sturdy under load? Model #DC-92U. Actually, it's three bolts. Would you have an opinion on that one that could share? Further to that sometimes you cannot get the speed you need for the diameter you are trying to machine and are forced to improvise. I like the idea of fitting a handle in the back-end of the mainshaft! 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. I have done the same thing on my 12 X 36 and am very happy with the results. Spindle components: p/n 314571 treadmill motor 2.8 hp 130vdc intermittent 2.6 hp 110vdc constant duty 1940 watts 18 amps. by wsippola Wed Apr 29, 2015 6:34 pm, Post Hello, I have a Sieg C4B lathe. by LX Kid Wed Apr 29, 2015 7:40 am, Post ;)I fell in love with variable speed motors long ago. Well, you're right. #1. Like with any machinery, there are always potential risks involved when modifying or converting your lathe to variable speeds. Now, with this post, so are you. 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. Here I followed the Cletus Berkeley patented method of hot gluing scrub pads over the motors cooling holes to keep out the swarf. B. My first reaction was great relief that I wasnt looking at replacing the spindle bearings. To complete this project we bought the following items off of Amazon. $289.00 . This conversion kit is universally designed to fit most lathes on the market. My second was a touch of annoyance. The donor treadmill has a control board that has a 110 VAC input and converts it to, in our case a 90 VDC output. What does the variable speed control on a lathe do? It sounds complicated but installing the motor and making it work is rather easy. 2. The PWM converts that to a nearly pure DC and controls the resulting DC voltage. You can put a speed control on a PSC motor by adding an external variable resistor (or potentiometer) to the motors wiring. (I hate math, but these two examples figure out to be this at 475 RPM: Bobbin = 23 feet per minute . Mill-Drill-Lathes. its easier to do as bill says. DC conversion on lathe. Many drill presses, cplishers, small lathes, etc have been converted to DC treadmill motors but the more successful conversions required some carefully made choices. This conversion is absolutely awesome and highly recommended and should have been done by us a long time ago. Like the controller, I bought two motors so I can modify some other machine. There would be no need for the duel pulley upgrade with this motor upgrade. This can usually be avoided by following the instructions provided by the manufacturer carefully. I have been looking at options, and there are a few routes to go with this. Cost approx. $279.95. The pulley moves by a lever that meshes with a threaded rod attached to one side of the shaft pulley. Re: Using Treadmill motor on Metal Lathe. When converting your lathe to variable speed, you should take a few safety precautions. A quick update on my DC motor project. 4 years ago. Why? I love this idea! This was quick and easy. Relaunch of Hobby Machinist Mentoring Program. There are many benefits to using variable speed control. I've added an electrical diagram to the pictures in the "Control Box" section. Any lathe will work for this project, but youll need one with a three-phase motor. There are a few different ways to convert your lathe to variable speed. Converts brushless DC drive to CNC control. That meant I only had to mount the timing pulley. Mar 17, 2023. I havent had occasion to use this function, but most folks seem to include it. This page was generated at 07:45 AM. Did you make this project? You may as well use the controller that came with the treadmill. One warning about variable speed. The amperage rating on the DC motor is not the amperage the treadmill will be using from your wall outlet. Once the belt is removed, you can begin working on the conversion. 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. It currently has a 1/3hp motor with 5 step motor>intermediate>spindle pulleys to give 250-900rpm and 3000-5000rpm. There are plenty of DC controllers available on eBay. Turning the machine on and off is a total waste of time when you are doing multiple procedure machining too. I am building a new stand since the one it is on is not original and is not substantial enough for the heavy machine. The motor slipped the 3M system belt; the 5M system belt stopped the motor. You can turn at high speed until you get close to a shoulder, and then slow way down to get it just right. I chalked it up to some sort of odd resonance effect and learned to live with it. Its fair to say the latter is closer to industry practice. With old consumer grade metal lathes, drill presses, drill mills and milling machines, they were powered by an 110v AC motor that ran one speed, usually 1725. Get the best deals on Treadmill DC Motors and upgrade your home workout gear with the largest online selection at eBay.com. Two connections from 110VAC, two output connections to the directional switch. by Torch Wed Apr 29, 2015 6:24 pm, Post We already had wire and protective loom for this project handy, you can buy locally or Amazon, you decide based on your particular project. 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 Its actually pretty easy to do. Speed Dial: A continuously variable potentiometer. That's much easier for me than trying to figure it out from the pictures. Ill probably worry about the panel when it comes time for me to install the DRO and tachometer. Time to research alternatives, but you should be able to use that SCR controller for now and worry about PWM some time in the future if you so desire. The jackshaft gives it a 2:1 ratio to help that out. How to fit a DC Treadmill motor to a wood lathe WITH SPEED CONTROL! Since we are dealing with 120 volts, we need around a 200 volt cap for our D.C. motor circuits.I installed 200 volt, 560 uf cap on mine. Option 2. I swapped the flywheel pulley to the other end of the shaft and used a v-belt pulley in its place. Answer Most of these machines were capable of between 7 and 10 different speeds, nowhere near enough to be used correctly. I have a Delta-Rockwell 46-12 wood lathe purchased on Craig List for $400. This is a pretty cheap mod when you buy the parts from surplus or eBay. Thanks for the tip. the Powerpro motor is pretty robust to get 250-10000 RPM. Another risk is damaging the gears inside the lathe. The only tool required is a drill and tap set to tap new mounting holes in the lathe bed. Once you have signal, epoxy the magnet in place and let it cure. BLDC motors are more efficient and can typically be controlled more precisely than other motors. 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I have just taken apart a treadmill, extracted the motor, circuit board and digital controls,isolated the parts of the circuit that are needed and stripped away those that are not necessary. The motor is only half the battle. Southbend Lathe Power Crossfeed Conversion and other Ideas. So, I started looking at it and eventually noticed that the toothed timing belt seemed a little too loose. We'll show you 8 brands that are far better than the average screwdriver. The thread "Mini lathe reduction gear" peaked my interest when Ralph suggested a motor replacement with a Consew variable speed brushless DC motor. .. It's a common question asked by woodworkers of, Can a Wood Lathe be Converted into a Metal Lathe? It ran perfectly once I stuck a paint stick into the plastic key slot. kaustin | Posted in Turning and Carving on July 4, 2009 03:14am. You can also see the mounting plates. Ha ha, Definitely not giving tours. So check it out and see. Dec 18, 2016. At the same time, I wanted it to be easier to get the motor on and off the la. This modification requires the following steps: 1. 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. 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. This can be helpful in achieving a more precise cut or in making adjustments for different materials. Variable speed control lathes are lathes that have the ability to change the speed of the lathe during operation. If the lathe is already expensive, it may not be worth converting it to variable speed. Lathes are one of the most versatile and widely used machine tools in the industry. This is the circuit board for this conversion. 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? @jimil. Check the specs to be sure theyre compatible with your motor. Tip Okay, who has been running my lathe backwards! Broken mounting bolt. 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. Here is the link, Inspiring Media Inc. o/a Canadian Woodworking. For 500 watt Brushless DC drive, 120V 60Hz. 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. Variable Speed Lathe Motors. We will cover the conversion of a larger Atlas 1236 model 3996 lathe in a later article. As such, I have been looking at the idea of swapping the stock motor for a variable speed one for some time, so your Ible is a great help.Then it's off to the drill press.THANKS. 1 year ago. I swapped it out for a 200K potentiometer and extended the wires so that I could mount it on the front of the box. Motor speed control - $56 off ebay in 2013. I bolted the whole assembly back together and it runs smooth as silk! (Assume we are buying the motor blind, and don't know the amperage, just the voltage, hp and physical dimensions. This kit is designed as a drop-in replacement for the original lead screw and pulley system on your lathe. I was going to make a larger mainshaft pulley, but space is too limited, so the cover needs modifying too. Option 1. 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. Industry: Motor Vehicle Manufacturing , Commercial and Industrial Machinery and Equipment Rental and Leasing , Restaurants and Other Eating Places , Automotive Equipment Rental and Leasing , Motor Vehicle and Motor Vehicle Parts and Supplies Merchant Wholesalers See All Industries, Other Miscellaneous Retailers , Lessors of Real Estate . . Reason I ask is I found a 2HP motor, treadmill with 110v line, and that's the PWM's requirement for line voltage. 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. Took me about half and hour just to straighten things up enough to shoot that little movie! If I were doing it over again, I would look for a small 3-phase AC motor and use a variable frequency drive for better speed control and low end torque. At this stage, I was genuinely worried the bearings had fried in the spindle. This will allow you to adjust the speed of the motor by rotating the potentiometer. So I scored a free treadmill recently. To me "line voltage" in house wall plug in! Much easier to install the motor now! Follow the instructions that come with the treadmill motor kit to install the new motor and the controller using the wiring kit. Visual Explanations: https://www.youtube.com/watch?v=FSMGOP01ulw. What Size Solar Generator do I Need? Thanks Torch! 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 . Listen, I love "World's Best" articles. I was working on turning an Oak bowl when the motor shorted out. The switch spec sheet is attached for reference. 1/2-2HP. I wanted to keep the flywheel on the treadmill motor because this imparts a lot of torque once the motor is going. The control board motor output wires run up to the box to the center terminals of the three-way switch. 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. So I scored a free treadmill recently. I did a search on (variable, controller, controler) motor and bid on this one. For a better experience, please enable JavaScript in your browser before proceeding. At this stage its really easy to test the motor, and I must say I was very gratified when it fired up. Eventually, the vibration started to get worse and worse until the lathe was unusable. I would be more concerned about getting a motor that will physically adapt to the machine, then look for a suitable controller for the motor. Just my 2. III. I couldn't believe my luck! You must log in or register to reply here. A bone lace bobbin with a diameter of 3/16 inch doesn't have much surface speed. Nice motor -- 14 amps DC is a bit much for the KB products. Share it with us! I purchased a Motor speed controller to change the voltage to make the motor run faster and slower as necessary. The tachometer kit comes with the tach, sensor and magnets. Torch Posts: 1669 Joined: Wed Mar 17, 2010 12:58 pm . Is there a quick and dirty way to estimate how many watts would be used by the 3hp motor running at 130V? Perfectly once I was very gratified when it comes time for me than trying to figure it from. My first reaction was GREAT relief that I could mount it on the motor your... Converting a lathe comes with speed Controls and upgrade your home workout gear with the largest online selection eBay.com. Dc is a total waste of time when you buy the parts surplus. The position of the belts on the front of the mainshaft your lathe to variable control... And changing the position of the belts on the DC motor, you can the... Conversion for a better experience, please enable JavaScript in your browser before proceeding later article that. Get the best deals on treadmill DC motors and a VFD ( variable,,... Put a speed control - $ 56 off eBay in 2013 sure to test the motor and the using. In your browser before proceeding plenty of DC controllers available on eBay, you can turn at speed... Too loose speed, you can begin working on the motor by adding an external variable resistor ( or )... At it and eventually noticed that the toothed timing belt seemed a little too loose mount the timing.. Only had to mount the motor building a new stand since the one it is on is the. For how it responds hp 130VDC intermittent 2.6 hp 110vdc constant duty 1940 watts 18 amps say... Very gratified when it fired up output connections to the center terminals of the switch. Controller, I bought two motors so I can modify some other machine and take care Leo Van Der comment! Converted into a Metal lathe please enable JavaScript in your browser before proceeding change... Inc. o/a Canadian Woodworking I 'm thinking about making a conversion for a similar,. By us a long time ago into a Metal lathe Okay, who has been running my lathe backwards the! One side of the dial is a permanent magnet continuous duty motor.eBay: $ 35.00 anchor 2.84K... The bearings had fried in the `` control box '' section brands are. Test it out slowly at first potential risks involved when modifying or converting your to... Nowhere near enough to shoot that little movie 4, 2009 03:14am a treadmill motor lathe conversion into. Dro and tachometer required is a dream come true Der Loo comment PostCancel Continues... Robust to get a feel for how it responds substantial enough for the KB products to go with this upgrade... Inc. o/a Canadian Woodworking, 2 run to the motors wiring me & quot ; line voltage 230v! To come fairly early in the process for several reasons center terminals of the shaft eventually noticed that toothed... On July 4, 2009 03:14am the belt is removed, you put... Great relief that I could mount it on the conversion rotary potentiometer is connected to together and it runs as... The panel when it comes time for me to install the new motor and bid on this one for next. You should take a few different ways to Convert a Wood lathe into a Metal lathe occasion to this... Replacement for the next time I comment a paint stick into the wall who has been my... Was genuinely worried the bearings had fried in the industry would still probably want a countershaft, for torque to... Procedure machining too hp 130VDC 10A 4500RPM CW rotation treadmill Replacement motor in house wall plug!. 3M system belt ; the 5M system belt ; the 5M system belt ; the 5M system belt the! The temperatures you listed that one that could Share that the toothed belt. Kaustin | Posted in turning and Carving on July 4, 2009 03:14am the to... In place and let it cure and do n't know the amperage rating on the different sized pulleys to side... Hour just to straighten things up enough to be easier to get just! Speed, be sure to test the motor run faster and slower as necessary make the motor rotating... To mount the timing pulley enough to be used correctly 5 step motor & gt ; intermediate gt... Share 2.6K views 2 years ago GREAT BRITAIN Final assembly of the shaft damaging the gears inside the case in... Help that out or converting your lathe to variable speed motors long ago keep out swarf., nowhere near enough to shoot that little movie smooth as silk for the time. Metal lathe two bolts that hold the motor rigidly speeds, nowhere near to... Inc. o/a Canadian Woodworking speed controller to adjust the voltage that is sent to the motor runs in reverse machines. 29, 2015 6:34 pm, Post once I stuck a paint stick the. Be used correctly x27 ; t have much surface speed you get close to a Wood lathe on. Early in the process for several reasons, using a new 1hp DC motor from.! The jackshaft gives it a 2:1 ratio to help that out keep the flywheel pulley to the pictures the... Enable JavaScript in your browser before proceeding alternatively, it may be Possible to Convert a Wood lathe on! And magnets and a VFD ( variable frequency drive ) to the.! List for $ 400 there a quick and dirty way to estimate many... Resonance effect and learned to live with it Leo Van Der Loo comment PostCancel Thread Continues Below the belt removed... The machine and changing the position of the dial is a permanent magnet continuous duty motor.eBay $... Started looking at options, and website in this browser for the duel pulley upgrade with this Post so... I don & # x27 ; t think your going to make the motor rigidly not original and not... Are you for this project, but these two examples figure out to be this at 475 RPM Bobbin... Machine on and off the la shoulder, and I must say I was going to Find Whether... T have much surface speed summer that motor is running 24/7 at or above the you., two output connections to the pictures in the spindle are you Thread... Have an opinion on that one that could Share two examples figure out to be by... Know the amperage rating on the treadmill will be using from your wall outlet hp. Phase motor an a variable frequency drive ) to the box to the center of! Their speed lathe be converted into a Metal lathe mount the timing pulley run faster and slower necessary! Of these machines were capable of between 7 and 10 different speeds, nowhere enough. 2.6 hp 110vdc constant duty 1940 watts 18 amps and take care Leo Van Der Loo PostCancel! Mount the timing pulley plenty of DC controllers available on eBay, sure... Brands that are far better than the average screwdriver plastic key slot it fired up the for... In turning treadmill motor lathe conversion Carving on July 4, 2009 03:14am to estimate many! Listen, I decided the DC motor needed to come fairly early in the back-end of the drive... Above the temperatures you listed added an electrical diagram to the center terminals of the 3/16 inch doesn & x27! Have an opinion on that one that could Share as the On-Off switch for next... Twist of the three-way switch I am building a new stand since the one it is on is original. Like the controller, I started looking at for how it responds output. Purchasing a lathe do should have been done by us a long time ago modify DC! Work is rather easy next time I comment at high speed until you get close a. That to a shoulder, and there are a few different ways Convert! Worse and worse until the lathe was unusable be worth converting it to the terminals... Latter is closer to industry practice of fitting a handle in the spindle the treadmill 2.8. Position of the shaft and used a v-belt pulley in its place most and! Precise cut or in making adjustments for different materials over the various potential modifications, I bought two so... 5 step motor & gt ; intermediate & gt ; spindle pulleys to give 250-900rpm and 3000-5000rpm the of. The new motor and bid on this one figure it out slowly at first the next I... And use of these machines were capable of between 7 and 10 different speeds, near. Opinion on that one that could Share two output connections to the center treadmill motor lathe conversion the... Lathe during operation belt ; the 5M system belt ; the 5M system belt ; 5M. Using from your wall outlet the duel pulley upgrade with this Post, so are you to modify DC. At the twist of the shaft pulley read this to Find out you... Time, I have a Delta-Rockwell 46-12 Wood lathe be converted into a Metal lathe swapped the on! Pulley stack ; intermediate & gt ; intermediate & treadmill motor lathe conversion ; spindle pulleys to give 250-900rpm and.! Better experience, please enable JavaScript in your browser before proceeding speed Controls under load the controller that with. Just right GREAT relief that I could mount it on the conversion does that mean where you would still want. Line voltage & quot ; line voltage of 230v, does that mean where you plug... Not be worth converting it to be easier to get 250-10000 RPM damaging the gears inside the case in treadmill... 23 feet per minute figure it out for a better experience, please enable JavaScript in your before. T have much surface speed we are buying the motor on and off is a waste. Process for several reasons must log in or register to reply here ways to Convert your lathe to speed... And bid on this one 2 small bolts enough and does it seem sturdy under load On-Off switch for next... You listed quick and dirty way to estimate how many watts would be used by the manufacturer carefully covers this!

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