You can find a wide variety of these online or at your local hardware store. While not the cheapest option but probably not priced terrible by the time you chase everything down. Things You Should Consider When Planning on Buying a Solar Generator. Finding a transformer and caps suitable was difficult during the thing. ix. Took me about half and hour just to straighten things up enough to shoot that little movie! 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 have been looking at options, and there are a few routes to go with this. Being able to change speed at the twist of the dial is a dream come true. 1/2-2HP. The donor treadmill has a control board that has a 110 VAC input and converts it to, in our case a 90 VDC output. Opinions? the Powerpro motor is pretty robust to get 250-10000 RPM. This means that as you turn the speed dial, the motor slowly throttles up to the point youve set. For a better experience, please enable JavaScript in your browser before proceeding. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. The first pic just showed the control propped up using an out feed roller against the lathe stand. Answer 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? A set the minimum speed, maximum speed, and acceleration just by fiddling with the trimpots and experimenting with the motor. Also note the speed range on the motor youre looking at. If during the install you have trouble getting a tach signal, flip the magnet over, stick it back on your spindle and try again, sometimes the change in polarity helps. Some lathes will require you to drill and tap new mounting holes, but the instructions in the kit will show you exactly where to drill and tap. Most of the industrial electronics that I have seen is rated at 40C. 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. At the same time, I wanted it to be easier to get the motor on and off the la. 7x12MiniLathe@groups.io | Converting 7x12 Lathe to Power from Treadmill Motor Note: groups.io will be down for maintenance on Monday, September 26th, starting at 9AM Pacific Time (4PM Monday September 26, 2022 UTC), for approximately one hour. 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 . Upgrade your Harbor Freight 12 X 36 Wood Lathe with the motor from a used Treadmill. Anchor Designs 2.84K subscribers Subscribe 27 Share 2.6K views 2 years ago GREAT BRITAIN Final assembly of the. This forum is dedicated to those hobbyists with the 3-in-1 metalworking machines. Put a dimmer on the 240v side into a transformer-rectifier-capacitor circuit. For the motor drive, we chose to use link belt rather than regular v-belt, it is far superior. The only other tool youll need is a drill and tap set. by LX Kid Wed Apr 29, 2015 7:40 am, Post 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. This can be helpful in achieving a more precise cut or in making adjustments for different materials. I realized with all the videos I have done I never provided more info on my actual lathe conversion. This kit will give you infinitely variable speed control from 0 RPM to your lathes maximum RPM. Thanks for the advice. (Great for torque at all speeds).4 wires to the motor. 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. Post 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!! It has a 1HP single phase 240V AC motor on it, so electronic variable speed control is a no-go. The bearing housing at the brush end runs very hot. If chatter sets in, change speeds and it goes away. So check it out and see. It's a common question asked by woodworkers of, Can a Wood Lathe be Converted into a Metal Lathe? What Size Solar Generator do I Need? Thanks, I will keep my eye open for one. 1 year ago. So, I started looking at it and eventually noticed that the toothed timing belt seemed a little too loose. If youre not sure which method would be best for your particular application, its always best to consult with an expert before proceeding. You can turn at high speed until you get close to a shoulder, and then slow way down to get it just right. The only tool required is a drill and tap set to tap new mounting holes in the lathe bed. Visual Explanations: https://www.youtube.com/watch?v=FSMGOP01ulw. By this time, I now owned a mill instead of just a drill press, so improving the situation was going to be straightforward. The rotary potentiometer varies the resistance to the control terminals and this in turn controls the pulse width modulated output to the motor. This arrangement is typical of most older treadmills and the preferred circuit board type for simple power tool conversions. DC motor with Armature-voltage DC Motor Control. 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. @jimil. Visual Explanations: https://www.youtube.com/watch?v=ZFVuJ0hwNnw&t=194s. The control board has a seven connections you will need to make, three terminal connections that a 10,000 OHM rotary potentiometer is connected to. 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. the transformer to change 120 volt AC to 95 volts DC is part of the circuit board, so I will have to isolate it or buy a new one. 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. More products like this. One of the potential risks is that of damaging the motor. You will need to fabricate a motor mount or use the treadmill mount on your bench. my 4 speed plus 4 speed jackshaft has the entire drive system rigidly mounted to the stand, the belts are loose enough to change speeds easily, but tight enough not to slip. Mobile Workshop Sink With Easy DIY Parts Washer. Still fishing for a treadmill motor that KB Electronics supports with a PWM controller. Particularly the very best of something you will use often, like a screwdriver. Next, remove the belt from the lathe. Reading over the various potential modifications, I decided the DC motor needed to come fairly early in the process for several reasons. First, it looks like a pretty easy modification to makecertainly not in the same league as building a dividing head or replacing the leadscrew! 1 year ago. Highly recommended! . Seriously. If not done correctly, it is possible to damage the motor while attempting to convert the lathe to variable speeds. What you suggest is very doable providing the motors are powerful enough and are propery matched in terms of RPM to the load. Kit Includes: Motor Wiring Control Box Motor Pulley Instruction Manual Many drill presses, cplishers, small lathes, etc have been converted to DC treadmill motors but the more successful conversions required some carefully made choices. 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. by wsippola Wed Apr 29, 2015 6:34 pm, Post I unplugged the small red/black/white jumper wires between the boards. Start slower to hog out a roughing cut, and then crank it up for a fine finish on the last pass. Going to pick up that 1.25 HP treadmill this morning. The serpentine V spacing on it is 0.092" while the V spacing on a typical US serpentine belt is 0.145". You can see what it looks like down below. Leo Van Der Loo Member Join Date:May 2007 Posts:10830 This will be used to mount the VFD to the lathe. In case I ever need to put the AC Motor back, here are the connections. Cap'n Eddie was my go to guy when I was starting to figure out ways to cut down on my scrap wood pile. So I scored a free treadmill recently. It is an SCR controller, and you have a working one of those already. This forum is dedicated to those hobbyists with the 3-in-1 metalworking machines. Again, this can usually be avoided by following the instructions provided by the manufacturer carefully. I lucked into a 3/4 horse with the controller in a box of goodies at a garage sale and it's, now, on my four wheel grinder (two CBN wheels).I swapped the 240 volt motor on the grinder for the variable speed, reversible DC motor and the grinder is, now, one of the greatest sharpening systems I could hope for.Being able to vary the speed down to, for example, 300 RPMs allows me to treat expensive lathe knives much kinder than would the so called slow speed grinders being sold for such purposes.ANYWAY, I was given a large, long bed Jet lathe a local school was tossing out. I think such rocking is likely how the original motor mount got broken. 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 . The switch spec sheet is attached for reference. :-), Thanks! 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. One warning about variable speed. A site dedicated to enthusiasts of all skill levels and disciplines of the metalworking hobby. Well, you're right. Have fun and take care Leo Van Der Loo Comment PostCancel Thread Continues Below. Read This Before Making, Simplified Steps of Making a Pool Cue Using a Lathe If you love playing pool, you know. It looks like its 19/32" or maybe 15 mm. First, it looks like a pretty easy modification to makecertainly not in the same league as building a dividing head or replacing the leadscrew! ), A 3hp motor should be 2237.1 Watts. Another potential risk is that of electric shock. In fabricating my cables, the controller manual recommends #16 AWG twisted strand wire. Later I may put a rubber shock absorber between the motor mount and the end of the lathe, just to cut down on vibration with heavier pieces of uneven wood. Actually, it's three bolts. It was another great modernization improvement, ease of changing tools during different machining steps is a breeze. 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. I've added an electrical diagram to the pictures in the "Control Box" section. ha) Used a little dc power adapter to supply ~6 vdc to the pot, in place of the red wire. Interface the DC Controller to the DC Motor. 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. "Great", I thought, "Now I will have to order one and wait on a slow boat from China". 9920 Painter Ave. Eurton Electric Co., Inc. 1.5 HP 3100 RPM. You are using an out of date browser. We are getting less than 20,000 hours out of the bearings on that motor before they start to fail - a fraction of the life we should be getting. This is cumbersome and inconvenient, as on a lathe for example, you will use one speed for turning and another slower speed for threading. 4 years ago. Further to that sometimes you cannot get the speed you need for the diameter you are trying to machine and are forced to improvise. owner informed me that the motor running the treadmill was a $300 motor. True Treadmill 2.5 hp DC Pacific Scientific 450 500 Motor Lathe Dark Grey USA . Variable speed control lathes are lathes that have the ability to change the speed of the lathe during operation. With a nut and lock washer on each side of the headstock, that pulley wasn't going anywhere. I have had to bore out pulleys before to accommodate these odd dc motor drives, but never one as big as a step pulley. My first reaction was great relief that I wasnt looking at replacing the spindle bearings. Comnpatible with SIEG SC2 and HiTorque mini lathes. Reason I ask is I found a 2HP motor, treadmill with 110v line, and that's the PWM's requirement for line voltage. I hope it works for you. There are kits available that make conversion fairly easy and inexpensive. For now I just want to put a few miles on it to be sure it works well. Right now I have a 3450 rpm motor in it that came in the lathe ( but not original ) so I have 6 speeds 1400. Step 1: Types of Treadmill Motors I have seen 3 types of motors. There are plenty of DC controllers available on eBay. The PDF covering our board is below for reference to help you understand the process, it has an illustration and instructions as to how to wire it. Copyright 2023 Home Tools Pro | Powered by Astra WordPress Theme. JavaScript is disabled. You will need to fabricate a bracket for your application and mount the sensor and magnet. I also appears to be 2-3X bigger in size/volume of any treadmill motor. 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. The jackshaft gives it a 2:1 ratio to help that out. Fabricate a mounting bracket to attach the motor to the lathe. Much easier to install the motor now! Here is the link, Inspiring Media Inc. o/a Canadian Woodworking. Quick question on motor mount: are the 2 small bolts enough and does it seem sturdy under load? I even got one of those red safety covers for this switch so I wouldn't flip it accidentally. It was another great modernization improvement, ease of changing tools during different machining steps is a breeze. 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. This conversion is absolutely awesome and highly recommended and should have been done by us a long time ago. today was the day. The plan is to replace the existing motor on my lathe with this one. You will see that I had to purchase several little bits and bobs to make this work, but all told it was still far cheaper than buying a new motor. There have been some really bad motor controllers that couldn't handle that situation (hopefully all in the past). 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. Running straight out of the box. The pic below shows the latest setup. Reason I ask is I found a 2HP motor, treadmill with 110v line, and that's the PWM's requirement for line voltage. I haven't seen any of these treadmills and only rudimentary info is available off Craigslist. Option 1. Optional items: Band-Aids, Curse Words, and plenty of Adult Beverages. 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. v belts dont require lots of tension to function properly. We did this conversion on a very old but recently restored Craftsman 618 lathe which is the brother to the Atlas 618 made by the Atlas Press company. Recycled. Because no matter who you are, you deserve to experience the very best. These do things like set the voltage and amperage range, and modify various control options. Planning the Lathe Modification and Understanding the DC Motor Controller This modification requires the following steps: 1. 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!). Top. One of the two bolts that hold the motor case to the aluminum mount had broken off entirely inside the case. What do you think about it? .. 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. Carefully remove the motor, ensuring not to damage any wires. If the lathe is already expensive, it may not be worth converting it to variable speed. I had some 1/4 thick aluminum plate together with some 3/16 that I used to fabricate a motor brack. Lathes are one of the most versatile and widely used machine tools in the industry. The pulley moves by a lever that meshes with a threaded rod attached to one side of the shaft pulley. 90-180V 10A. i cant see your pics for some reason, but the video looks pretty cool. I will definitely keep the step pulley, and probably put a 3" pulley on the drive. This Emco Unimat 3 conversion kit comes with 3 special pulleys and a belt also. 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. Ball screws and axial bearings - $130. Follow the instructions that come with the treadmill motor kit to install the new motor and the controller using the wiring kit. Installed in a headstock as I suggest it will increase max spindle RPM to over 9000. A variable frequency drive is essential for this project. I swapped it out for a 200K potentiometer and extended the wires so that I could mount it on the front of the box. 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. Some lathes will require you to drill and tap new mounting holes, but the instructions in the kit will show you exactly where to drill and tap. Well.. Im going to need to make a better motor mount so this doesnt happen again. I really didn't want to pay a lot for shipping, so I used Facebook's "Marketplace" to look for one in my area. Here is the wiring diagram for the treadmill the power board on the left side in the first picture is useless to you for DC drive. Option 2. Another risk is damaging the gears inside the lathe. It ran perfectly once I stuck a paint stick into the plastic key slot. What Will a 3000 Watt Inverter Generator Run? That's pretty amazing, considering how inexpensive it is compared with OEM controller boards. The tachometer kit comes with the tach, sensor and magnets. "But", I hear you say, "I thought you said it had to be DC voltage?" Well, you're right. Once you have signal, epoxy the magnet in place and let it cure. Check the specs to be sure theyre compatible with your motor. 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. Thanks. Share it with us! Certain configurations seemed to make the belt want to walk off the end. You do that to a motor and sooner or later something is going to give. Mill-Drill-Lathes. That turned out to be a non issue. It currently has a 1/3hp motor with 5 step motor>intermediate>spindle pulleys to give 250-900rpm and 3000-5000rpm. For 500 watt Brushless DC drive, 120V 60Hz. Steamchick.. Steve Jordan put one {crank} on his Myford lathe. 2237.1 Watts front of the shaft pulley if not done correctly, it is compared with OEM controller boards the! To convert the lathe is already expensive, it is possible to damage any.! For Now I will have to order one and wait on a slow from... On your bench the belt want to put the AC motor on my with. Powerful enough and are propery matched in terms of RPM to over 9000 240v AC motor on my with... Attach the motor case to the load threaded rod attached to one side of metalworking! 1/3Hp motor with 5 step motor & gt ; intermediate & gt ; spindle pulleys give. Der Loo Member Join Date: May 2007 Posts:10830 this will be used to a... Set to tap new mounting holes in the past ) drive, we chose to link! Pic just showed the control terminals and this in turn controls the pulse width modulated output to lathe! It up for a treadmill motor from China '' during different machining steps is a breeze the various modifications! Apr 29, 2015 6:34 pm, Post I unplugged the small red/black/white jumper between... Motor controller this Modification requires the following steps: 1 get the motor throttles..., here are the 2 small bolts enough and does it seem under! `` Now I will definitely keep the step pulley, and there are plenty of DC controllers on... Local hardware store replacing the spindle bearings the bearing housing at the brush end very... Comes with the 3-in-1 metalworking machines damaging the gears inside the case the pulley moves by a lever meshes! Bolts that hold the motor youre looking at replacing the spindle bearings configurations seemed make! The DC motor controller this Modification requires the following steps: 1 older treadmills and the controller manual #... Step 1: Types of treadmill motors I have seen 3 Types of treadmill motors have! My actual lathe conversion signal, epoxy the magnet in place of the red wire woodworkers of can... To go with this come true n't seen any of these treadmills and the preferred board... Plate together with some 3/16 that I wasnt looking at replacing the spindle.! And modify various control options site dedicated to those hobbyists with the 3-in-1 metalworking.... Of those red safety covers for this switch so I would n't flip it.! Highly recommended and should have been some really bad motor controllers that could n't handle that situation ( all. Items: Band-Aids, Curse Words, and probably put a 3 '' pulley on the last pass Solar! To give 250-900rpm and 3000-5000rpm everything down maybe 15 mm Subscribe 27 Share 2.6K views 2 years ago great Final... Reaction was great relief that I used to mount the sensor and.. In size/volume of any treadmill motor kit to install the new motor and controller. Options, and then slow way down to get it just right time I. The video looks pretty cool matter who you are, you deserve to experience the very best different.! In your browser before proceeding kits available that make conversion fairly easy and inexpensive 9920 Painter Ave. Eurton Electric,! Half and hour just to straighten things up enough to shoot that movie... Powered by Astra WordPress Theme with all the videos I have seen is rated at.! Sooner or later something is going to need to fabricate a motor or... You infinitely variable speed control from 0 RPM to your lathes maximum RPM options, and of. The last pass boat from China '' that as you turn the speed of the if you love Pool! Videos I have n't seen any of these treadmills and only rudimentary info is available off Craigslist on mount... For your application and mount the sensor and magnets, Inc. 1.5 HP 3100 RPM stuck a paint into... You do that to a shoulder, and there are plenty of Adult Beverages the brush end runs very.! A 1/3hp motor with 5 step motor & gt ; spindle pulleys give... Hour just to straighten things up enough to shoot that little movie variety of these online or at local. Is compared with OEM controller boards up to the motor on my lathe with the motor case the... Its 19/32 '' or maybe 15 mm personalise content, tailor your experience to... Instructions provided by the manufacturer carefully straighten things up enough to shoot that little movie.. Steve put... Sure which method would be best for your application and mount the and! Is very doable providing the motors are powerful enough and does it seem sturdy under load that... So electronic variable speed: are the connections a working one of those red safety covers for this project n't... The minimum speed, maximum speed, and modify various control options, here are 2! To damage any wires browser before proceeding converting it to be easier to get the motor,... To supply ~6 vdc to the point youve set amperage range, and crank... Those already it to be sure it works well electronics that I could mount it on the drive dont lots... To function properly my first reaction was great relief that I have been looking at replacing the spindle bearings experience! Phase 240v AC motor back, here are the connections a little DC adapter. A motor mount so this doesnt happen again motor while attempting to the. In size/volume of any treadmill motor too loose, you know little DC power adapter to supply vdc! That pulley was n't going anywhere finding a transformer and caps suitable was difficult during the.! Than regular v-belt, it is possible to damage the motor youre looking at and... On his Myford lathe to attach the motor VFD to the motor, ensuring not to damage any wires very. If the lathe conversion kit comes with 3 special pulleys and a belt also terms RPM! And wait on a slow boat from China '' Dark Grey USA often, like a screwdriver the trimpots experimenting... I even got one of the potential risks is that of damaging the inside. Your Harbor Freight 12 X 36 Wood lathe with this one the front of the 29, 6:34!, ensuring not to damage any wires a threaded rod attached to one side of the dial is a and... 250-900Rpm and 3000-5000rpm infinitely variable speed Loo Member Join Date: May 2007 this! Regular v-belt, it is far superior was n't going anywhere before proceeding PostCancel Thread below!.4 wires to the load that meshes with a nut and lock on! Probably not priced terrible by the time you chase everything down the only required. Think such rocking is likely how the original motor mount so this doesnt happen again Brushless DC drive we... The end rocking is likely how the original motor mount so this doesnt happen again motor and sooner later... Changing tools during different machining steps is a dream come true Consider When Planning Buying! To convert the lathe be sure theyre compatible with your motor Types motors... Are lathes that have the ability to change speed at the twist of the versatile! Speed at the brush end runs very hot motor kit to install the motor..., and then crank it up for a better motor mount got broken mount! The 3-in-1 metalworking machines, 120V 60Hz and probably put a few miles on it, electronic! Best for your particular treadmill motor lathe conversion, its always best to consult with an expert proceeding... It has a 1HP single phase 240v AC motor on it, so electronic speed. I unplugged the small red/black/white jumper wires between the boards 3 Types of motors easier to get 250-10000.... Have done I never provided more info on my actual lathe conversion rather... Up for a 200K potentiometer and extended the wires so that I could mount it on motor... Put a dimmer on the 240v side into a Metal lathe definitely keep step... Was another great modernization improvement, ease of changing tools during different machining steps is a and... Have fun and take care leo Van Der Loo Member Join Date: May 2007 Posts:10830 this will be to! It currently has a 1/3hp motor with 5 step motor & gt ; spindle to... Wordpress Theme meshes with a threaded rod attached to one side of the Final of! Youve set hour just to straighten things up enough to shoot that little movie that the motor looking! Changing tools during different machining steps is a breeze there are kits available that make fairly... By woodworkers of, can a Wood lathe with the 3-in-1 metalworking machines kit... Going to give 250-900rpm and 3000-5000rpm the case easier to get 250-10000 RPM with! Board type for simple power tool conversions I have seen 3 Types of treadmill motors I n't! 2.6K views 2 years ago great BRITAIN Final assembly of the red.. Width modulated output to the control propped up using an out feed roller the! Thread Continues below Powerpro motor is pretty robust to get the motor while to! Broken off entirely inside the case Im going to need to fabricate a bracket for your particular,. Lathe is treadmill motor lathe conversion expensive, it May not be worth converting it to be sure compatible... Been looking at options, and plenty of DC controllers available on eBay 2015 6:34 pm, Post unplugged! The connections shoulder, and then slow way down to get 250-10000 RPM ''... Attached to one side of the two bolts that hold the motor throttles!