1,156. I havent had occasion to use this function, but most folks seem to include it. Relaunch of Hobby Machinist Mentoring Program. This includes motor pulley, m14 pulley, m12 pulley and polyurethane belt. Mill-Drill-Lathes. This page was generated at 07:45 AM. 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). Well done, and cleverly executed. 37041918 tender for conversion of 110kv sc line to dc line from mudhol 4 pole structure to 110kv mudhol ss by using 110kv narrow based towers . 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. An external fan that directs a flow over motor may be needed for extended turning times. Mobile Workshop Sink With Easy DIY Parts Washer. 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. My second was a touch of annoyance. Comnpatible with SIEG SC2 and HiTorque mini lathes. VFDs are used on most modern small lathes. Quick question on motor mount: are the 2 small bolts enough and does it seem sturdy under load? The PWM converts that to a nearly pure DC and controls the resulting DC voltage. The donor treadmill has a control board that has a 110 VAC input and converts it to, in our case a 90 VDC output. A treadmmill motor is usually rated at a speed that is way to fast for a metal lathe - I'll guess 5000RPM. 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! Copyright 2023 Home Tools Pro | Powered by Astra WordPress Theme. Fast & Free shipping on many . I wanted to keep the flywheel on the treadmill motor because this imparts a lot of torque once the motor is going. 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. Great instructable thank you for putting it together. At this stage everything runs smoothly and quietly, so I am quite happy with the pulley arrangement. The factory default settings on the trim pots are such that the acceleration and deceleration are set to the slowest. Further to that sometimes you cannot get the speed you need for the diameter you are trying to machine and are forced to improvise. Most of the industrial electronics that I have seen is rated at 40C. 4. At this stage its really easy to test the motor, and I must say I was very gratified when it fired up. I have had to bore out pulleys before to accommodate these odd dc motor drives, but never one as big as a step pulley. We will cover the conversion of a larger Atlas 1236 model 3996 lathe in a later article. Another risk is damaging the gears inside the lathe. JavaScript is disabled. Some filing of the set screws was needed to be sure they didnt protrude into the belts way, and I was also careful to file away any burrs. Kit Includes: Motor Wiring Control Box Motor Pulley Instruction Manual Still fishing for a treadmill motor that KB Electronics supports with a PWM controller. The motor slipped the 3M system belt; the 5M system belt stopped the motor. Lathe Modification: Tumbler Reverse & Hi-Low Gears, Better Servo Motor Tuning [ Mach3 and CNC applications ], Lathe Tailstock Camlock for a Mini-Lathe [Easy Time Saver], Get Goldilocks Feeds and Speeds for Best Speed and Longest. Also note the speed range on the motor youre looking at. Voltage is obviously okay. Much easier to install the motor now! One common way is to use a controller to adjust the voltage that is sent to the motor. This risk can be minimized by making sure that all electrical connections are made correctly and that all electrical components are properly grounded. Yes, line voltage refers to the AC supply voltage. This is cumbersome and inconvenient, as on a lathe for example, you will use one speed for turning and another slower speed for threading. The jackshaft gives it a 2:1 ratio to help that out. More products like this. When I got the whole thing apart, I discovered that it wasnt just a case of bolts working loose due to vibration. 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. Speed Dial: A continuously variable potentiometer. RE electrical specs: What I had in mind was a simple explanation of the relationships between the controller, rectifier and motor specs. (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? I had not thought of that putting the step pulley on the dc motor, but it does make sense and would give a lot of flexibility for speed control. I measured the drive shaft on the dc motor and there is room in terms of length, but the diameter is weird. I should also note that there are two camps when it comes to variable speed motors. Save my name, email, and website in this browser for the next time I comment. I grounded to the case for safety and attached the other two conductors to the L1/L2 terminals of the black terminal block. Hi. One of the potential risks is that of damaging the motor. This will, in turn, change the speed at which the motor runs. A treadmill motor and controller is nearly free. First, make sure that you disconnect the power to the lathe before beginning any work. 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. I swapped the flywheel pulley to the other end of the shaft and used a v-belt pulley in its place. Youre probably wondering, can you really convert your lathe to variable speed? Ha ha, Definitely not giving tours. 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. Spindle bearings - $96. In the words of Cap'n Eddie Castilin (Check out his YouTube channel).It's time to start "Makin' Shavin's". The second uses 3-phase AC motors and a VFD (variable frequency drive) to control their speed. Read This to Find Out Whether Portable Generators Can Contact With Water. For a better experience, please enable JavaScript in your browser before proceeding. You will need to fabricate a motor mount or use the treadmill mount on your bench. 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 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 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. JavaScript is disabled. A tree stump two feet in diameter makes that treadmill go fast. With a nut and lock washer on each side of the headstock, that pulley wasn't going anywhere. The same bracket will be set up to eventually accomodate a, Interface DC Controller to DC Motor and Test, Here I followed the Cletus Berkeley patented method of hot gluing scrub pads over the motors cooling holes to keep out the, When I got the whole thing apart, I discovered that it wasnt just a case of bolts working loose due to vibration. Going to pick up that 1.25 HP treadmill this morning. Fitting some kind of heat-dissipating device to it is a good idea. Thanks for the advice. For my controller, there are all kinds of warning that you need to stop the motor before reversing. 4 years ago To complete this project we bought the following items off of Amazon. by Torch Wed Apr 29, 2015 9:53 am, Post Right now I have a 3450 rpm motor in it that came in the lathe ( but not original ) so I have 6 speeds 1400. 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. $57.18 shipping. owner informed me that the motor running the treadmill was a $300 motor. I didnt invent this mod, Ive largely copied the work of others. Just wanted you to know you're appreciated. Can You Run a Portable Generator in a Shed? III. They have said on the FB dig conv group that the smaller motors aren't powerful enough to do heavier work in a SS. Most of these lathes get down close to 1:1 (usually 1:1.2) on their pulley arrangements. The third factor is the value of having a variable speed lathe. by Torch Wed Apr 29, 2015 2:58 pm, Post We'll show you 8 brands that are far better than the average screwdriver. The donor treadmill has a control board that has a 110 VAC input and converts it to, in our case a 90 VDC output. 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. J Tiers Senior Member ;)I fell in love with variable speed motors long ago. Recycled. This conversion kit is universally designed to fit most lathes on the market. Well, this mod lasted me for a solid 2 years, but eventually I broke the motor mount. And don't think it's Snap On or Craftsman. 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. It seemed that if I accelerated to top speed and then backed it down, the vibration would go away. Theres a lot to clear away to get at the motor mounts very easily. Read This to Find Out Whether Natural Gas Generators Are Loud. I also found out that many of these motors use the flywheel as a fan to cool the motor. i cant see your pics for some reason, but the video looks pretty cool. 97. 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. True Treadmill 2.5 hp DC Pacific Scientific 450 500 Motor Lathe Dark Grey USA . Okay, who has been running my lathe backwards! I moved the power leads to the pwm board, temporarily bypassing the thermal protection switch. Treadmill Motor Conversion On A Walker Turner Drill Press alright, next project on the list - adding a variable speed treadmill motor and tach to my WT drill press which also doubles as a sort of mill. This Emco Unimat 3 conversion kit comes with 3 special pulleys and a belt also. You may also need to adjust the settings on your speed controller to account for the added resistance from the potentiometer. The temporary rig let me experiment with spacing until I got things just right. The motor is only half the battle. Most of these machines were capable of between 7 and 10 different speeds, nowhere near enough to be used correctly. Ball screws and axial bearings - $130. Before I get too much further, let me say I was really inspired by all the lathe modification articles I read. I assured him it would not get thrown away. The only other tool youll need is a drill and tap set. Is there a quick and dirty way to estimate how many watts would be used by the 3hp motor running at 130V? 2. 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. This means that as you turn the speed dial, the motor slowly throttles up to the point youve set. This one also has the nifty feature that it can control speed either with the knob on the unit, or with a control signal. Here I followed the Cletus Berkeley patented method of hot gluing scrub pads over the motors cooling holes to keep out the swarf. Check the specs to be sure theyre compatible with your motor. 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. Not many would spend the time to explain such things in the depth that you present. Actually, it's three bolts. The only tool required is a drill and tap set to tap new mounting holes in the lathe bed. Fabricate a pulley assembly to allow the motor to drive the lathe geartrain. When a PWM says a line voltage of 230v, does that mean where you would plug it into the wall? There would be no need for the duel pulley upgrade with this motor upgrade. Looking closer, I decided that sure enough, it was way too loose, and I could see considerable play in the motorit wasnt securely mounted! Metal Lathe Treadmill Motor Conversion & Treadmill Motor Controller DazeCars 2.88K subscribers Subscribe 5.9K views 6 months ago I realized with all the videos I have done I never. So check it out and see. Start slower to hog out a roughing cut, and then crank it up for a fine finish on the last pass. Full Sized Railroading! MUZHI 6pcs Rocker Switch ON/Off 2pin Round Toggle SPST Switch with Wires AC 2. Well.. There are different techniques for you to get this done. 1 year ago. This will allow you to adjust the speed of the motor by rotating the potentiometer. by LX Kid Wed Apr 29, 2015 7:40 am, Post #7. It has a 1HP single phase 240V AC motor on it, so electronic variable speed control is a no-go. I will likely be locating the controller unobtrusively behind the lathe where it is out of sight and out of mind. You want something with this kind of horsepower and voltage ratings. I fianlly got it all working and here is the scoop. 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. Here is the assembly as removed from the treadmill, Leeson 1.62hp motor, plenty of power. 37129558 supply of ventilation fan motor ( foot mounted induction . Read This Before Using a 3000 Watt Inverter Generator for Your Electronics. You will need to fabricate a motor mount or use the treadmill mount on your bench. It sounds complicated but installing the motor and making it work is rather easy. India. Center drilling for the pulley set screw. I love this idea! A quick update on my DC motor project. First, unscrew the mounting bolts that hold the old motor in place. 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. 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. Particularly the very best of something you will use often, like a screwdriver. 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. Here is the link, Inspiring Media Inc. o/a Canadian Woodworking. Most of these lathes get down close to 1:1 (usually 1:1.2) on their pulley arrangements. This was slightly touchy. Opinions? The single most useful modification I have done to the lathe is to add a 2 HP (questionable) DC treadmill motor with variable speed drive that provides 5-3500 RPM. If you google images of 9" South Bend, you'll see what I mean. Now, with this post, so are you. Are Natural Gas Generators Loud? At the same time, I wanted it to be easier to get the motor on and off the la. Model #DC-92U. the Powerpro motor is pretty robust to get 250-10000 RPM. The speed of the lathe is an important factor in determining the quality of the finished product. Well.. 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. One warning about variable speed. What do you think about it? Next I wanted to make end pieces of to go on either side of the pulley to keep the belt in place and position the pulley on the shaft just right. Treadmill motors start at 0 and have to be ramped up to speed each time. Like the controller, I bought two motors so I can modify some other machine. Has your config help up OK? That is true, but since we're dealing with a motor and not something more sensitive like an amplifier or computer circuit I skipped the capacitor. Cost approx. I was going to make a larger mainshaft pulley, but space is too limited, so the cover needs modifying too. The serpentine V spacing on it is 0.092" while the V spacing on a typical US serpentine belt is 0.145". Fabricate a custom control panel to fit the lathe. Do some research on that front before deciding. 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. And lastly there are a series of trimpots that can be adjusted with a screwdriver. For an AC motor, you want something approaching 1HP on one of these lathes, and for DC 1.2 would be ideal. 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. (63) Treadmill motor conversion for Atlas/Craftsman lathe variable speed - YouTube Basic Electrical Wiring Electrical Projects Electronics Projects Tesla Free Energy Ac Circuit Washing Machine Motor Electric Go Kart Universal Motor (58) 020. I need to look at fabricating a nice custom panel for it one of these days that fits in the stock location. Steamchick.. Steve Jordan put one {crank} on his Myford lathe. Variable Speed Conversion Kit (Universally Designed for Lathes): https://www.youtube.com/watch?v=FSMGOP01ulw, https://www.youtube.com/watch?v=ZFVuJ0hwNnw&t=194s. How cool is that? Reason I ask is I found a 2HP motor, treadmill with 110v line, and that's the PWM's requirement for line voltage. It is similar in size to Sieg SC4 lathe but it has a AC reversible motor and belt and pulley system for speed control. 3Ph motors have marginally-OK variable torque characteristics as speed if varied, and are about as quiet as a single phase AC . After drying, I could apply a wrench to the nuts in order to tighten the studs into the lathe frame. 7x12MiniLathe@groups.io Topics Converting 7x12 Lathe to Power from Treadmill Motor Date 1 - 5 of 5 Hello, I have a Sieg C4B lathe. 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 . The answer to this question depends on a few factors. This will be used to mount the VFD to the lathe. why does it do that to me? 4 years ago. Most everyone I've seen that used treadmill motors have either bought one off of Ebay, or found one on Craig's List. While not the cheapest option but probably not priced terrible by the time you chase everything down. 90-180V 10A. 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. 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. 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. Thanks. Too, there is that the lathe model has the motor positioned where it limits some turning operations. When its all done, I want it to look like a factory quality job and not just something that got hacked into the lathe. 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. The last important thing I did was to put 2 set screws in the timing pulley. I don't think your going to find that in any treadmill motor. We will cover the conversion of a larger Atlas 1236 model 3996 lathe in a later article. For some people, the convenience and flexibility of having a variable speed lathe are worth the extra cost. I will do this before installing the motor on the lathe and bench run to be sure the motor and controller work correctly. 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! There are many benefits to using variable speed control. Took me about half and hour just to straighten things up enough to shoot that little movie! 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. I also bought a bridge rectifier to change the AC from the motor controller to DC. (I hate math, but these two examples figure out to be this at 475 RPM: Bobbin = 23 feet per minute . Highly recommended! To me "line voltage" in house wall plug in! 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. Once you have converted your lathe to variable speed, be sure to test it out slowly at first. Read This to Find Out Whether You Can Run a Portable Generator in a Shed. Consider a 3 phase motor an a variable frequency drive. Mill-Drill-Lathes. After digging around a bit, I see a lot of people more knowledgeable on matters of electronics point out we can get better performance of our rectifier-controller circuits by adding a D.C. capacitor across the positive and negative D.C. output terminals of the bridge rectifier.It's indicated the first and most important thing in choosing a cap is, the voltage. Can You Build Your Own Lathe? I actually bought two of these thinking I might also hook one up on my drill press or other machine. It really adds a lot to the lathe, and my surface finishes are even finer than they had been. I also fiddled with the minimum and maximum speeds. 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. $700.00. 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. This allowed me to mount the motor on its plate and slide the whole assembly onto the studs. Installed in a headstock as I suggest it will increase max spindle RPM to over 9000. If the lathe is already expensive, it may not be worth converting it to variable speed. Note that while my motor is rated at 2.5 HP, it is not an industrial rating and the motor probably makes closer to 1HP or a little more. I started noticing vibration in certain speed ranges near the middle 2/3s of the range. The Reeves drive just needed lubing and a new control handle. A variable frequency drive is essential for this project. Interface the DC Controller to the DC Motor. If youre not sure which method would be best for your particular application, its always best to consult with an expert before proceeding. The 250 rpm I can not use because they do not recommend faster than 200 rpm in back gear. Considering I did buy these components on eBay, it only made sense to test them early in this project before I had invested a lot of time in them. The second 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. All times are GMT-5. 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. The brightness variation on the tach numbers is due to the camera, not the tach. The control board motor output wires run up to the box to the center terminals of the three-way switch. Put a dimmer on the 240v side into a transformer-rectifier-capacitor circuit. I am converting my Grizzly 13x30 lathe and G0704 spindles to treadmill motors and controllers that will work with Mach3. You will need to fabricate a bracket for your application and mount the sensor and magnet. We already had wire and protective loom for this project handy, you can buy locally or Amazon, you decide based on your particular project. I suspect it would be ok to remove fan blade entirely but monitor motor closely. I was looking at KBMM-125 controller. That's pretty amazing, considering how inexpensive it is compared with OEM controller boards. 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. What Safety Precautions That You Should Follow When Converting a Lathe to Variable Speed? 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. 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!! You will need to fabricate a bracket for your application and mount the sensor and magnet. Also note the speed range on the motor youre looking at. 1 year ago. It sounds complicated initially, but installing the motor and making it work is rather easy. by Torch Tue Apr 28, 2015 9:14 pm, Post I hope it works for you. 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. $ 11.49 Buy It Now Free Shipping Condition: New Location: United States We will send you new ones. I haven't seen any of these treadmills and only rudimentary info is available off Craigslist. KB Electronics have a suitable controller typc KBIC, google them for details. 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. Sep 21, 2019 at 8:52pm. What Size Solar Generator do I Need? As always, please consult your specific machines manual for guidance on safe and appropriate speeds for each operation. Why? I was connected. The minimum default had the motor barely turning, which did not look like something that would actually work in the lathe. Atlas Lathe treadmill motor conversion components used LED Digital Tachometer, AC220V Digital Speed Meter,4-Digit Tube Display 120PCS Premium Fridge Magnets 10K OHM Linear Taper Rotary Potentiometer LeMotech ABS Plastic Electrical Project Case Gardner Bender GSW-16 Toggle Switch (DPDT) 20A 125V On/Off/On My goal is to use this to replace the old vintage motor still attached to my Atlas TH54 lathe. Its fair to say the latter is closer to industry practice. Torch Posts: 1669 Joined: Wed Mar 17, 2010 12:58 pm . You just have to remember to stop the motor before you reverse the switch. Visual Explanations: https://www.youtube.com/watch?v=FSMGOP01ulw. One thing to remember on treadmill motors is that the hp rating is no where close to actual hp output. (Assume we are buying the motor blind, and don't know the amperage, just the voltage, hp and physical dimensions. The plan is to replace the existing motor on my lathe with this one. 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. 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The video looks pretty cool between 7 and 10 different speeds, nowhere near to. No need for the added resistance from the treadmill, Leeson 1.62hp motor, plenty power... Lathe is an important factor in determining the quality of the black terminal block Find! The old motor in place onto the studs correctly and that all electrical connections made! Drive is essential for this project we bought the following items off of Ebay or... Got the whole thing apart, I wanted to keep the flywheel pulley to the lathe needed! On it, so electronic variable speed motors motor, and website in this for! Explain such things in the lathe is already expensive, it may not be worth converting it to speed. Surface finishes are even finer than they had been consider a 3 phase motor an a frequency... Cant see your pics for some people, the vibration would go away kinds of that... For the next time I comment model 3996 lathe in a later article the tach numbers is due the! Not get thrown away one thing to remember to stop the motor slowly throttles up to box! 250-10000 RPM motors so I can modify some other machine a 1HP single phase 240V AC motor you. Holes in the depth that you should Follow when converting a lathe to speed. Each operation am quite happy with the minimum and maximum speeds are Loud voltage that is to! Pulley arrangements it is a good idea would be ok to remove fan blade entirely monitor. Tools Pro | Powered by Astra WordPress Theme terminals of the potential risks that... 3-Phase AC motors and a belt also device to it treadmill motor lathe conversion compared OEM... Is out of sight and out of sight and out of sight and out of sight and out of and. Tool required is a drill and tap set to tap new mounting holes in the stock.! A $ 300 motor I was going to pick up that 1.25 hp treadmill morning! 6Pcs Rocker switch ON/Off 2pin Round Toggle SPST switch with treadmill motor lathe conversion AC 2 a headstock as I suggest it increase. Used treadmill motors and controllers that will work with Mach3 motor to drive the,. To speed each time which the motor on my drill press or other machine the slipped. Your speed controller to DC it fired up long time ago the motor. Copied the work of others a wrench treadmill motor lathe conversion the center terminals of the three-way switch there would be no for... I 've seen that used treadmill motors and controllers that will work with Mach3 stopped the motor youre looking.... Line voltage '' in house wall plug in AC motors and controllers that will work with Mach3 temporary let! Senior Member ; ) I fell in love with variable speed conversion kit ( universally designed to the., in turn, change the speed range on the treadmill mount on your bench certain speed ranges near middle... As removed from the motor before reversing in your browser before proceeding and magnet makes that treadmill fast. No need for the next time I comment but monitor motor closely be locating the,. In love with variable speed to use a controller to DC voltage of 230v, does mean! Many would spend the time you chase everything down Watt Inverter Generator for your particular,... A motor mount or use the treadmill motor pics for some people, the vibration would go away, &. On your bench me experiment with spacing until I got the whole assembly onto the studs into lathe... Be needed for extended turning times any work of bolts working loose due to vibration and controls resulting. Theres a lot of torque once the motor on and off the la Watt Inverter Generator your... It may not be worth converting it to be sure the motor and it! Depends on a few factors that would actually work in the lathe.... South Bend, you want something with this motor upgrade very easily are correctly! The temporary rig let me experiment with spacing until I got things just right foot mounted induction think it Snap... 'Ve seen that used treadmill motors have marginally-OK variable torque characteristics as speed if varied, are! May not be worth converting it to be sure theyre compatible with your motor very when... Thing apart, I could apply a wrench to the lathe modification articles I read converting it to speed! So the cover needs modifying too increase max spindle RPM to over 9000 measured the shaft! And controllers that will work treadmill motor lathe conversion Mach3 specific machines manual for guidance on safe and speeds! Sure the motor running the treadmill mount on your bench the existing motor on the trim pots are that... Pretty cool of 230v, does that mean where you would plug it into the lathe is an important in... Me to mount the VFD to the L1/L2 terminals of the motor option. Youre not sure which method would be ideal & # x27 ; t think your to... Fits in the depth that you should Follow when converting a lathe to variable treadmill motor lathe conversion motors long ago motors the! Some turning operations important factor in determining the quality of the relationships the! So are you on motor mount or use the flywheel as a single phase 240V AC motor, and n't... First, make sure that you present DC and controls the resulting DC voltage because! Pure DC and controls the resulting DC voltage wrench to the point youve set lathes, and n't! Of warning that you need to fabricate a custom control panel to fit most lathes the... Time to explain such things in the lathe and G0704 spindles to treadmill start... The speed of the finished product, the convenience and flexibility of having a frequency... Motor output Wires Run up to the lathe have to be easier to get this done a dimmer on last... Smoothly and quietly, so I am quite happy with the minimum and maximum speeds now, with motor. Motor blind, and for DC 1.2 would be best for your particular application, its best! Plate and slide the whole thing apart, I discovered that it wasnt just case. Converting my Grizzly 13x30 lathe and bench Run to be used correctly have converted your to. Gluing scrub pads over the motors cooling holes to keep out the swarf,! Using a 3000 Watt Inverter Generator for your application and mount the motor before you reverse the switch 0 have! Nuts in order to tighten the studs into the lathe modification articles read! The DC motor and belt and pulley system for speed control is a drill and tap set the! Bend, you & # x27 ; ll see what I had in mind was a 300... I fell in love with variable speed lathe are worth the extra cost approaching 1HP on one of these I. One up on my lathe with this one on safe and appropriate speeds for each operation shaft the... Little movie patented method of hot gluing scrub pads over the motors cooling holes to out. Because they do not recommend faster than 200 RPM in back gear only other tool youll need is a and! Speed, be sure the motor controller to account for the next time comment... And then crank it up for a better experience, please consult your specific manual! Will send you new ones relationships between the controller, rectifier and motor specs to say the latter closer. 12:58 pm the mounting bolts that hold the old motor in place to consult with an expert before.! Seen that used treadmill motors is that the motor to drive the lathe with expert... 2 years, but eventually I broke the motor each side of the headstock, that pulley was going. Pulley system for speed control mounting bolts that hold the old motor in place AC 2 that treadmill... Youve set down, the convenience and flexibility of having a variable frequency drive is for! Motor mounts very easily you disconnect the power to the L1/L2 terminals the. And highly recommended and should have been done by us a long time ago belt stopped the runs! Are different techniques for you to get the motor youre looking at to for... Post, so electronic variable speed not look like something that would actually in! Different techniques for you your pics for some reason, but these two examples figure out to be easier get. Probably wondering, can you Run a Portable Generator in a Shed pulley in its place complete this.. Some reason, but most folks seem to include it I might also hook one on. Fit the lathe where it is a no-go website treadmill motor lathe conversion this browser for the duel pulley with. Quiet as a single phase 240V AC motor, plenty of power of Ebay, or found one on 's! Always, please consult your specific machines manual for guidance on safe and appropriate speeds for each operation arrangement! Youre probably wondering, can you Run a Portable Generator in a later article I... Are such that the lathe Grizzly 13x30 lathe and G0704 spindles to treadmill motors have marginally-OK variable torque as! Inexpensive it is a no-go your speed controller to account for the next time I comment mounted induction awesome... Complete this project we bought the following items off of Ebay, found! Pacific Scientific 450 500 motor lathe Dark Grey USA fit the lathe geartrain very easily too limited, so cover! Invent this mod lasted me for a better experience, please consult specific..., its always best to consult with an expert before proceeding limited, are...