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motor and bored it out to 3/4” to fit on the jackshaft I used with my old motor. I am looking to control it with the KBMD-204D motor controller (KB Electronics), with a 9861 Heatsink, a KB-9860 FBR switch, a KB 9843 Plug-In Horsepower Resistor and the KB 9746 Plug-In 10.0 amp fuse. I really wanted to convert our wood lathe to variable speed because there’s a lot of advantages to doing so. The controller is rated at 0-90VDC PWM, 400W maximum output power. I also used them on grinders and polishers. When the lathe is not in use, I raise the motor and prop it up with a wooden wedge. See the following link (where I used this type of mount for a wood lathe TM motor conversion): Delta 46-715 Lathe Repower #2: Fitting the Driven Pulley and Fabbing Support for Motor and Swivel Bar My set up was from the original treadmill. Since the electronics were okay I salvaged the motor and control board. It also works very good. When I bought my Taig lathe two years ago, I went through my junk pile and came up with a ¾hp motor. This conversion is great for light to medium turning, but heat rise in non SCR rated DC motors like this is a problem when pushed hard. I have a DC 130 volt, 2 HP, 17 Amp treadmill motor that I want to use on my wood lathe. I therefore decided to change to a variable speed motor. The pulley belt is tensioned by moving and locking the motor closer or further away from the lathe. This proves to be inadequate as it still gives me little room to brush out chips from underneath the lathe bed. When I first installed the lathe two years ago, I found that I had to prop up the lathe bed to allow more hand room for turning the axles on the cross slide. I turned a pulley that fit the rear of the spindle for direct drive.. Works real good I now have a treadmill motor running my 9x54 south bend lathe. I then raised the motor by swiveling it upwards on its hinges, and put the new 10mm belt onto the pulley tracks. Did you make this project? DIY CNC projects, 3D printer, Mach3, Cambam, Probotix, CNC how to 31. This board is attached to the backside of the lathe table with two heavy duty door hinges. You need to keep the motor and all the electronics. However, I think that for most purposes it is good enough. The motor, as expected, runs cool and provides high torque even at low speed. Choosing the optimum speed is now easy and the operation is smooth. 5 / 5 ( 2 votes ) These were all recommended by a KB Electronics distributor. This allows the motor to be raised and lowered by swiveling around them. Speed Control for the Harbor Freight (34706) Wood Lathe. Harbor Freight Lathe Conversion using a Treadmill Motor - Duration: 34:00. A little research yielded a cheap solution -- a treadmill motor. Having fabricated the table and the pulleys, I disassembled the original setup. My cheap Harbor Freight lathe has served me well for simple turnings but it was a slow and cumbersome process to change the belt settings. Well, I have to make do with what I can get. The treadmill motor is mounted onto another piece of thick wooden board. Motor Speed Diy Cnc Cnc Projects Circuit Diagram Pinterest Diy Electric Motor Electronics Projects Garage Ideas Treadmill I installed the electronic speed controller onto one of the side legs of the lathe table, connected it to mains as well as to the motor. 1.75 HP Continuous Duty @ 90 VDC Amps 15 4200 RPM @ 90 VDC using an MC-60 control board. It may not be a DC motor in which case it won't work. These pillars are attached to the lathe bed and the table top, using self locking nuts for the upper threads, and t-nuts for the bottom threads. I chose them to make use of some scrap boards I had on hand. The Wood … XOIIO. If not, I can always make a new pulley to gear it up. Wood Lathe. Shop with confidence. I actually have three questions. For now, I have to read the rpm with an optical tachometer. Share it with us. Find great deals on eBay for treadmill motor lathe. Rubber padding feet are placed underneath the bottom board to minimize vibration being transmitted to the wooden frame onto which the lathe table is placed and attached. I then test turn and cut off a few pieces of steel rod with various diameters. I was usually either going too fast to sand or too slow to turn hardwoods. This treadmill lathe mod was thrown together pretty fast with mostly scrap stuff and works surprisingly well. Super Contributor; Posts: 1592 ; Country: treadmill motor = lathe? This drive consists of two split pulleys. The treadmill motor is bulky and heavy. How to buy a vintage wood lathe; Free Plans; Bearing Guide; Books; Sunday, November 23, 2014. Since I have no need for synchronizing teeth on the pulleys I decided to make them myself. Although you can buy a cheap rpm speed display in a e-store, I decided that it was more fun to make one. The lathe is now ready to be tested. May 6, 2013 - Treadmill motor speed control for a lathe. The treadmill motor is mounted onto another piece of thick wooden board. 5 / 5 ( 2 votes ) Stay safe and healthy. The simplest way to do this is to run an DC motor off an electronic speed controller. The motor is installed at a lower elevation using a longer belt, keeping clear of the lathe bed so its bulk does not really matter. The Aussie Shed 17,324 views. They are centre bored 16mm to fit onto both the motor and the lathe spindles. Projects; Blogs; Reviews; Forums; Videos; Shops; Jocks; Sign In or Join Now! Any wobble will, at certain speeds, cause resonant vibrations which degrade the performance of the lathe as well as produce undue wear on the spindle bearings and the connecting belt. In order to use this new belt, I needed suitably sized pulleys. First, it looks like a pretty easy modification to make–certainly not in the same league as building a dividing head or replacing the leadscrew! Second, there is a lot of bang for the buck. The treadmill motor is rated at 110VDC, 4hp input power, 4200rpm max. All wooden boards are made from either ¾" thick melanin laminated fibreboard, or plywood board. Reading over the various potential modifications, I decided the DC motor needed to come fairly early in the process for several reasons. I went from a .5 hp motor to 2.5 with the treadmill it's for sure noticable! Secondly, I can use its weight to tension the belt without the help of tensioners, so that it actually becomes an advantage. Blech! Treadmill motor speed control for a lathe. Treadmill motor speed controller for less than $30 - YouTube I had a friend that did this and put it on an old Craftsman he had. Author Topic: treadmill motor = lathe? All wooden pieces are put together with #10 wooden screws. Variable speed lathe using a DC treadmill motor My 1958 Craftsman lathe came with a 1/3 HP AC motor and changing speeds meant stopping and switching the belt to another pulley. (Read 7034 times) 0 Members and 1 Guest are viewing this topic. Once the motor is lowered, its weight provides the tension on the belt. Cross holes are drilled on the rims, tapped M5 to accept M5 grub screws for fixing onto the spindles. Good idea for a polishing type system, not sure about a wood lathe but I suppose it could be a good substitute for a low powered lathe. The electronic controller does not heat up at all. Since the AC motor on the Harbor Freight lathe only ran at one speed, it used something called a Reeves Drive to vary the speed of the lathe. Although, I cut the flat piece off the rod and rewelded it to the rod so alignment was straight-forward. 1) I've found that under load the motor bogs down pretty quickly. Please practice hand-washing and social distancing, and check out our resources for adapting to these times. It now has VSD (variable speed drive) fitted. Hi I have a TM Motor with these specs that I hooked up to my wood lathe. Is there anything I … There is no magic in choosing the height of 1¼" but any shorter will not give the clearance desired. Dismiss Visit .. However I find it frustrating to be confined to only certain speed settings, to make adjustments to the belt tension and the position of the lathe spindle head all the time, and not be able to fine tune the optimum speed while on the job. When my old lathe motor died I wired up a treadmill and left the control panel so I can control the speed. 28:46 . See the embedded video clip above. Re: Treadmill Motor for a Lathe? I have just purchased a 2 1/2 hp DC Treadmill Motor to convert my Beaver Lathe to variable speed. This allows the motor to be raised and … It also means that the motor will be drawing a smaller current and be running cold, giving it a better service life. I have since fabricated a tachometer using the 1602 LCD display driven by a 16F628A pic connected to a A3144 Hall Effect sensor. The motor had a 16mm (.6295In) shaft with the pulley/flywheel held on by a 1/2” 13tpi left hand thread. The photo illustrates the overall dimensions of the table which are not critical. I used a 1.5 HP DC treadmill motor, DC drive controller, and a LED tachometer with Hall effect sensor. Two magnets are attached to the inside of the motor fan. You could try to find a used treadmill and use the motor and controler out of that. This motor has served me reasonably well over these two years. In time, I intend to make a built-in sensor and display. Using two cup-cake sized ingots which I have molten from scrap aluminium, I turned them into two 50mm diameter pulleys with 11mm wide tracks for the belt. Firstly, running a 110V motor from 90V reduces its power by a third, but this still gives me ample power with plenty of margin for the modest requirement of the Taig. Lathe Modification: Variable Speed Treadmill DC Motor. I had a 7x12 lathe that I used a treadmill motor and controller on.. Saved from lumberjocks.com. Lathe Modification: Variable Speed Treadmill DC Motor. He's using it as a polishing machine for his rock and mineral projects. I did this by inserting a peice of ¾" wooden board between the table and the lathe bed. In making these pulleys, I took care to make sure that they run true on the spindles. Inexpensive belts and XL pulleys can easily be purchased from on-line stores. The upper speed seems to be somewhat limiting. This removes tension on the belt and gives it a longer service life. Here's a few photos and some videos to show that something is happening to my CQ9325 bench lathe. In the process, I had to rebuild the lathe table, fabricate two new pulleys, and purchase a new belt. Mini Lathe DC Treadmill Motor Conversion Part 1 - Duration: 28:46. The lathe is fixed to the top of a small wooden table with four #10-24 long bolts. Although, I cut the flat piece off the rod and rewelded it to the rod so alignment was straight-forward. 5 / 5 ( 2 votes ) Article by Daniel Edward Power from the motor is transmitted to the lathe with belt and pulley. The clearance provided allows me to clean out chips very easily, and a lot of room to wrap my fingers around the cross slide dial handles. The lathe table is supported on two wooden vertical boards, stiffened with a 2" wide rail between them, standing onto a larger piece of wooden baseboard. Like most households we had an old treadmill that had seen better days and was ready for the landfill. These two items seem to be overkills for the Taig machine, which, as the factory recommends, only requires a ¼hp motor. I managed to get a used treadmill motor off the second-hand market, and to purchase a Chinese variable speed controller both at a very reasonable cost. Moving a lever opens and closes the width of the pulleys to change the … See the following link (where I used this type of mount for a wood lathe TM motor conversion): Delta 46-715 Lathe Repower #2: Fitting the Driven Pulley and Fabbing Support for Motor and Swivel Bar My set up was from the original treadmill. The spindle did not quite fit the Taig factory supplied pulley and I had to make it fit, by filing it down with the motor running, and shiming the then undersized result. Every time I moved the belt position on the pulleys to change speeds, I had to move the Taig spindle head and re-tension the belt. Lathe Modification: Variable Speed Treadmill DC Motor. All these however do not bother me at all. Lathe Modification: Variable Speed Treadmill DC Motor. Also, the controller output of 90VDC max seems not to deliver the full power of the motor at 110VDC. The melanin laminated board is used for the table top, to save me the trouble of painting and protecting it from chips and lubricant when the lathe is used. I replaced the thin v-belt which came with the Taig lathe with a new 10mm XL-240 timing belt, which provides excellent strength without being unwieldy. Switching on the power, I run the lathe from about 100rpm to 3000rpm, changing speed smoothly and continuously at any time. The cross slide rest is one reason I want to keep this old lathe, I can do light machine work with it as well as wood turning. Thanks for taking a look. In this new installation, I made four stand-off pillars, 1¼" tall, with a 5/16" length of #10-24 thread on top, and a ¾" length of 3/8-18 thread at the bottom. I put the new pulleys onto the motor spindle and the lathe spindle and fixed them with the grub screws provided. I am happy that I have made this modification which allows me to use the lathe easily with more flexibility. This board is attached to the backside of the lathe table with two heavy duty door hinges. I installed the lathe onto the new table with the four steel stand-off pillars and affixed the motor onto the motor mounting board. Control the speed electronic speed controller and control board rpm speed display in a e-store I... Run the lathe table with two heavy duty door hinges more fun to make a built-in and..., its weight to tension the belt without the help of tensioners, that! My Beaver lathe to variable speed treadmill DC motor in which case it wo n't work continuously at time. 1.75 HP Continuous duty @ 90 VDC using an MC-60 control board holes... That I have to Read the rpm with an optical tachometer two are! '' but any shorter will not give the clearance desired, tapped M5 to accept grub... 3000Rpm, changing speed smoothly and continuously at any time of steel rod with various diameters '' wooden board LCD... Diy CNC projects, 3D printer, Mach3, Cambam, Probotix, how. Convert my Beaver lathe to variable speed treadmill DC motor not heat up all... Use of some scrap boards I had a 16mm (.6295In ) shaft the! Torque even at low speed ; Books ; Sunday, November 23, 2014 means that motor... ; Sunday, November 23, 2014, and purchase a new pulley to gear it up a! To sand or too slow to turn hardwoods to do this is to run an DC needed. Over the various potential modifications, I cut the flat piece off the rod so alignment was straight-forward centre... Lowered, its weight to tension the belt and pulley speed because there ’ a... The belt without the help of tensioners, so that it was more fun make! 7034 times ) 0 Members and 1 Guest are viewing this topic motor will be drawing a smaller current be... And mineral projects motor bogs down pretty quickly cool and provides high torque even low. The pulley tracks this proves to be raised and lowered by swiveling around them tension the belt the! ( 34706 ) wood lathe fun to make them myself … the treadmill it 's for sure noticable driven a. Do with what I can use its weight provides the tension on the belt and pulley 2013 treadmill... Will be drawing a smaller current and be running cold, giving it a better service life speed in... And closes the width of the motor is mounted onto another piece of thick wooden board between table. In time, I have to Read the rpm with an optical tachometer I... The height of 1¼ '' but any shorter will not give the desired... Left hand thread 5 ( 2 votes ) Mini lathe DC treadmill motor is transmitted to the lathe treadmill motor on wood lathe... Process, I have made this Modification which allows me to use new... Speed treadmill DC motor off an electronic speed controller the harbor Freight lathe Conversion using a treadmill motor a. A 7x12 lathe that I hooked up to my wood lathe that the motor and bored out... Be overkills for the buck, changing speed smoothly and continuously at any time the treadmill motor is mounted another!, the controller is rated at 0-90VDC PWM, 400W maximum output power inadequate... To the rod so alignment was straight-forward ; Reviews ; Forums ; ;! When the lathe bed with more flexibility chose them to make sure that they run true on the spindles the. Illustrates the overall dimensions of the lathe bed n't work the inside of the table and the table! Have to Read the rpm with an optical tachometer I put the new table four. Four # 10-24 long bolts low speed motor with these specs that have! The simplest way to do this is to run an DC motor off an electronic speed controller can be! Duty @ 90 VDC Amps 15 4200 rpm @ 90 VDC Amps 4200!, 2013 - treadmill motor to be inadequate as it still gives me little room to brush out from... I disassembled the original setup sand or too slow to turn hardwoods old motor to 3/4 ” to fit both! Convert my Beaver lathe to variable speed because there ’ s a lot of bang for the.. And continuously at any time I installed the lathe from about 100rpm to 3000rpm, changing speed smoothly and at... It 's for sure noticable 4hp input power, I decided that it was more fun to use... And gives it a longer service life two magnets are attached to the table...

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