treadmill motor lathe conversion2 tbsp brown sugar calories
There are a few different ways to convert your lathe to variable speed. The second uses 3-phase AC motors and a VFD (variable frequency drive) to control their speed. 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. by Torch Wed Apr 29, 2015 2:58 pm, Post 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. Get the best deals on Treadmill DC Motors and upgrade your home workout gear with the largest online selection at eBay.com. Leo Van Der Loo Member Join Date:May 2007 Posts:10830 One common way is to use a controller to adjust the voltage that is sent to the motor. With the completion of this project we also added a Shars tools Quick Change ToolPost and Accusize Tools Carbide tooling set. 1,156. 31358 NEW 2 HP LEESON MOTOR $49.50 (+ shipping) It's advertised as a permanent-magnet 120 VDC, 4800 rpm, 14 amps, 2 hp treadmill motor. Like the controller, I bought two motors so I can modify some other machine. The control board motor output wires run up to the box to the center terminals of the three-way switch. Do some research on that front before deciding. Put a dimmer on the 240v side into a transformer-rectifier-capacitor circuit. Look around for an old treadmill. 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. This page was generated at 07:45 AM. Turning the machine on and off is a total waste of time when you are doing multiple procedure machining too. ), tinned the ends of the wires, and then attached some crimp-on spade connectors to the three conductors. ha) Used a little dc power adapter to supply ~6 vdc to the pot, in place of the red wire. My goal is to use this to replace the old vintage motor still attached to my Atlas TH54 lathe. The donor treadmill has a control board that has a 110 VAC input and converts it to, in our case a 90 VDC output. An external fan that directs a flow over motor may be needed for extended turning times. It sounds complicated initially, but installing the motor and making it work is rather easy. i cant see your pics for some reason, but the video looks pretty cool. That turned out to be a non issue. The minimum default had the motor barely turning, which did not look like something that would actually work in the lathe. Right now I have a 3450 rpm motor in it that came in the lathe ( but not original ) so I have 6 speeds 1400. Having now completed the modification, I have to say that it is fabulous! Regards Ian spro Posts: 8016 Simple to retro-fit, the DVR 1624 Upgrade Motor gives you all the power and control of the DVR. It seemed that if I accelerated to top speed and then backed it down, the vibration would go away. My second was a touch of annoyance. . It may not display this or other websites correctly. The motor slipped the 3M system belt; the 5M system belt stopped the motor. Once you have converted your lathe to variable speed, be sure to test it out slowly at first. I had some 1/4 thick aluminum plate together with some 3/16 that I used to fabricate a motor brack. Are There Any Potential Risks of Converting Your Lathe to Variable Speeds? The donor treadmill has a control board that has a 110 VAC input and converts it to, in our case a 90 VDC output. Question Consider a 3 phase motor an a variable frequency drive. Typically a 220VAC (nominal, may vary from 220 to 230) supply will be used to power a 180VDC motor and a 110VAC (again, nominal could be 115) supply will be required for a 90VDC motor. Being able to change speed at the twist of the dial is a dream come true. For 500 watt Brushless DC drive, 120V 60Hz. It ran perfectly once I stuck a paint stick into the plastic key slot. Gradually increase the speed to get a feel for how it responds. In their place I used jumper wires to a 5k linear pot. 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. In the summer that motor is running 24/7 at or above the temperatures you listed. by LX Kid Tue Apr 28, 2015 8:54 pm, Post I hadn't considered the problem with running link belts in reverse, but it makes sense. Variable speed control lathes are lathes that have the ability to change the speed of the lathe during operation. #7. 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. Steamchick.. Steve Jordan put one {crank} on his Myford lathe. l will be following, i am wanting to do this to a drill press. The thread "Mini lathe reduction gear" peaked my interest when Ralph suggested a motor replacement with a Consew variable speed brushless DC motor. This is a permanent magnet continuous duty motor.eBay: $35.00. These do things like set the voltage and amperage range, and modify various control options. You will need to fabricate a bracket for your application and mount the sensor and magnet. 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. Aha, says I! In this article we discuss the #1 upgrade for the Atlas Lathe, treadmill motor conversion on an Atlas/Craftsman 618 and how to convert an AC 110v Metal Lathe to DC Treadmill motor power with variable speed drive. 4 years ago. Correction on that shaft, it is tapered, 0.632" on the end to 0.668" on the inside and 1.450" long. The motor controller came with a 500K Ohm potentiometer as the speed control, but this didn't give me enough control of the motor speed. In case I ever need to put the AC Motor back, here are the connections. The switch spec sheet is attached for reference. Well done, and cleverly executed. Theres a lot to clear away to get at the motor mounts very easily. 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 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. More products like this. One of the potential risks is that of damaging the motor. It currently has a 1/3hp motor with 5 step motor>intermediate>spindle pulleys to give 250-900rpm and 3000-5000rpm. Cost approx. Once you have signal, epoxy the magnet in place and let it cure. $279.95. Two connections from 110VAC, two output connections to the directional switch. There is a Walker Turner available here for $400 that has been available for over a month. Reply This is cumbersome and inconvenient, as on a lathe for example, you will use one speed for turning and another slower speed for threading. That is a low end lathe but your conversion has not hurt it. Now get the best out of your 1624 by adding our renowned Striatech DVR Intelligent Variable Speed Drive. Inspect the wiring and components of the lathe to ensure there are no damaged or loose parts. Now, with this post, so are you. Center drilling for the pulley set screw. Tips, techniques, modification and use of these machines is topical. Still fishing for a treadmill motor that KB Electronics supports with a PWM controller. 4000 seemed a bit much, so I scaled that back a bit too. As with any machinery, there is always a potential for injury when using a lathe. Save my name, email, and website in this browser for the next time I comment. 2. Option 1. 1 year ago. Reason I ask is I found a 2HP motor, treadmill with 110v line, and that's the PWM's requirement for line voltage. One motor was rated at 2.0 horsepower, and the other at 1.8 horsepower.I noticed that the motor mount was built in to the frame of the treadmill, so I cut that out to use it to mount the motor to the Lathe. 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. 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. 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!). kaustin | Posted in Turning and Carving on July 4, 2009 03:14am. A treadmmill motor is usually rated at a speed that is way to fast for a metal lathe - I'll guess 5000RPM. Get the motor to turn at a single speed. Well have to look at clearances, but if I had to, I would sacrifice the jog function. It was another great modernization improvement, ease of changing tools during different machining steps is a breeze. - with a simple disconnect for when I don't need it? Also note the speed range on the motor youre looking at. DC conversion on lathe. There are plenty of DC controllers available on eBay. This was quick and easy. 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. I fianlly got it all working and here is the scoop. I realized with all the videos I have done I never provided more info on my actual lathe conversion. Follow the instructions that come with the treadmill motor kit to install the new motor and the controller using the wiring kit. First, unscrew the mounting bolts that hold the old motor in place. 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!). I knew I couldn't use the ribbed belt that the treadmill used to drive my Lathe, so I ordered a small pulley with a 5/8" bore to match the shaft of the treadmill motor. I already had a metal box laying around the shop so I decided to put it use. By this time, I now owned a mill instead of just a drill press, so improving the situation was going to be straightforward. Overall, converting a lathe to variable speed is usually cheaper than purchasing a new lathe with speed controls. DC motors are also easy to find on eBay. :-), Thanks! Note: Some controls have a fancy electronically braked version of this. Seriously. The amperage rating on the DC motor is not the amperage the treadmill will be using from your wall outlet. I need to look at fabricating a nice custom panel for it one of these days that fits in the stock location. For the motor drive, we chose to use link belt rather than regular v-belt, it is far superior. Are Natural Gas Generators Loud? on Step 8. 3. I also bought a bridge rectifier to change the AC from the motor controller to DC. You want something with this kind of horsepower and voltage ratings. Youll need one thats compatible with the motor on your lathe. 3Ph motors have marginally-OK variable torque characteristics as speed if varied, and are about as quiet as a single phase AC . 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I think such rocking is likely how the original motor mount got broken. For good measure I added a tachometer so that I can tell what speed the lathe is running while I work. At this stage its really easy to test the motor, and I must say I was very gratified when it fired up. The control board has seven connections you will need to make. Ill probably worry about the panel when it comes time for me to install the DRO and tachometer. You can see what it looks like (partially at least) down below. Alternatively, it may be possible to modify the DC motor to fit the stock pulley stack. To me "line voltage" in house wall plug in! by Torch Wed Apr 29, 2015 6:24 pm, Post ), Reply Thanks for the tip. Also note the speed range on the motor youre looking at. What do you think about it? I found out that the 50v supply that I used to test the motor was quite enough for the treadmill user wanted to walk only, not run. ix. Treadmill motor with KBIC drive, not vfd, but you must leave the pulleys and belts to allow the motor to run at enough speed to provide the horsepower needed for slow speed deep cuts and drilling operations. It sounds complicated but installing the motor and making it work is rather easy. Anchor Designs 2.84K subscribers Subscribe 27 Share 2.6K views 2 years ago GREAT BRITAIN Final assembly of the. 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 PWM converts that to a nearly pure DC and controls the resulting DC voltage. In the words of Cap'n Eddie Castilin (Check out his YouTube channel).It's time to start "Makin' Shavin's". I haven't seen any of these treadmills and only rudimentary info is available off Craigslist. Copyright 2023 Home Tools Pro | Powered by Astra WordPress Theme. How to fit a DC Treadmill motor to a wood lathe WITH SPEED CONTROL! 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. That meant I only had to mount the timing pulley. 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. You do center drill all of your holes, dont you? 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. Well.. 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. 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 bolted the whole assembly back together and it runs smooth as silk! 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. 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. Spindle bearings - $96. 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. Santa Fe Springs, CA 90670. This allowed me to mount the motor on its plate and slide the whole assembly onto the studs. I really think getting fine rpm control at the twist of a know will make it easier to, Before I get too much further, let me say I was really inspired by all the, 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. You do that to a motor and sooner or later something is going to give. First, make sure that you disconnect the power to the lathe before beginning any work. It is similar in size to Sieg SC4 lathe but it has a AC reversible motor and belt and pulley system for speed control. 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. Fabricate a mounting bracket to attach the motor to the lathe. A variable frequency drive is essential for this project. Relaunch of Hobby Machinist Mentoring Program. Cap'n Eddie was my go to guy when I was starting to figure out ways to cut down on my scrap wood pile. I don't think your going to find that in any treadmill motor. Take a look at what Im using: Reliable Electric DC-2 Variable Speed Motor Controller. I got a double pole double throw switch so that I can run the motor both in forward and reverse. What Size Solar Generator do I Need? I measured the drive shaft on the dc motor and there is room in terms of length, but the diameter is weird. 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. I hope it works for you. You already have it, and I don't think the difference with a PWM controller is going to be significant enough for the additional expense. I like the idea of fitting a handle in the back-end of the mainshaft! I will do this before installing the motor on the lathe and bench run to be sure the motor and controller work correctly. 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. I even got one of those red safety covers for this switch so I wouldn't flip it accidentally. 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 . It was another great modernization improvement, ease of changing tools during different machining steps is a breeze. DC Permanent Magnet with PWM controller (Great for torque at all speeds).2 wires to the motor (Usually). Aha, says I! Has your config help up OK? For an AC motor, you want something approaching 1HP on one of these lathes, and for DC 1.2 would be ideal. 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. A wood lathe is a, How to Make Pool Cues With a Lathe? I purchased a Motor speed controller to change the voltage to make the motor run faster and slower as necessary. The only other tool you'll need is a drill and tap set. Read This to Find Out Whether You Can Run a Portable Generator in a Shed. A quick update on my DC motor project. The only tool required is a drill and tap set to tap new mounting holes in the lathe bed. The answer to this question depends on a few factors. I don't know what kind of electrical specs I could add that aren't in the Amazon link to the part. Both these lathes you could fit a treadmill DC motor on for variable speed, if you can get the RPMs on de spindle down to 300 or so, you should be good for the sizes you can turn on those lathes. 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This one also has the nifty feature that it can control speed either with the knob on the unit, or with a control signal. Above that temperature they want to see some type of air conditioning for the equipment. Running straight out of the box. At the same time, I wanted it to be easier to get the motor on and off the la. I decided to forgo the pulley stack that sits on the motor and drive from the jackshaft. Answer I did a search on (variable, controller, controler) motor and bid on this one. Mobile Workshop Sink With Easy DIY Parts Washer. He is great. I took the electronics, wiring, and, of course, the motors. Certain configurations seemed to make the belt want to walk off the end. Once I was convinced. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. 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.