treadmill motor on wood lathe

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28:46 . Switching on the power, I run the lathe from about 100rpm to 3000rpm, changing speed smoothly and continuously at any time. Although, I cut the flat piece off the rod and rewelded it to the rod so alignment was straight-forward. I installed the lathe onto the new table with the four steel stand-off pillars and affixed the motor onto the motor mounting board. The treadmill motor is mounted onto another piece of thick wooden board. 1.75 HP Continuous Duty @ 90 VDC Amps 15 4200 RPM @ 90 VDC using an MC-60 control board. 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! 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. 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. Please practice hand-washing and social distancing, and check out our resources for adapting to these times. (Read 7034 times) 0 Members and 1 Guest are viewing this topic. When I bought my Taig lathe two years ago, I went through my junk pile and came up with a ¾hp motor. Speed Control for the Harbor Freight (34706) Wood Lathe. I also used them on grinders and polishers. They are centre bored 16mm to fit onto both the motor and the lathe spindles. You need to keep the motor and all the electronics. Since the electronics were okay I salvaged the motor and control board. Second, there is a lot of bang for the buck. Thanks for taking a look. XOIIO. 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. Mini Lathe DC Treadmill Motor Conversion Part 1 - Duration: 28:46. In making these pulleys, I took care to make sure that they run true on the spindles. Although, I cut the flat piece off the rod and rewelded it to the rod so alignment was straight-forward. I used a 1.5 HP DC treadmill motor, DC drive controller, and a LED tachometer with Hall effect sensor. Secondly, I can use its weight to tension the belt without the help of tensioners, so that it actually becomes an advantage. Stay safe and healthy. I did this by inserting a peice of ¾" wooden board between the table and the lathe bed. 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. 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. The treadmill motor is rated at 110VDC, 4hp input power, 4200rpm max. I actually have three questions. Share it with us. It now has VSD (variable speed drive) fitted. 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. However, I think that for most purposes it is good enough. It may not be a DC motor in which case it won't work. I had a friend that did this and put it on an old Craftsman he had. 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. I was usually either going too fast to sand or too slow to turn hardwoods. Inexpensive belts and XL pulleys can easily be purchased from on-line stores. I put the new pulleys onto the motor spindle and the lathe spindle and fixed them with the grub screws provided. The Aussie Shed 17,324 views. Lathe Modification: Variable Speed Treadmill DC Motor. I have a DC 130 volt, 2 HP, 17 Amp treadmill motor that I want to use on my wood lathe. I chose them to make use of some scrap boards I had on hand. Choosing the optimum speed is now easy and the operation is smooth. 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. This allows the motor to be raised and lowered by swiveling around them. Shop with confidence. How to buy a vintage wood lathe; Free Plans; Bearing Guide; Books; Sunday, November 23, 2014. The controller is rated at 0-90VDC PWM, 400W maximum output power. Projects; Blogs; Reviews; Forums; Videos; Shops; Jocks; Sign In or Join Now! 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. Harbor Freight Lathe Conversion using a Treadmill Motor - Duration: 34:00. Lathe Modification: Variable Speed Treadmill DC Motor. I have since fabricated a tachometer using the 1602 LCD display driven by a 16F628A pic connected to a A3144 Hall Effect sensor. The simplest way to do this is to run an DC motor off an electronic speed controller. Is there anything I … 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 went from a .5 hp motor to 2.5 with the treadmill it's for sure noticable! This treadmill lathe mod was thrown together pretty fast with mostly scrap stuff and works surprisingly well. Once the motor is lowered, its weight provides the tension on the belt. The electronic controller does not heat up at all. Moving a lever opens and closes the width of the pulleys to change the … 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. Blech! The treadmill motor is mounted onto another piece of thick wooden board. The lathe is fixed to the top of a small wooden table with four #10-24 long bolts. A little research yielded a cheap solution -- a treadmill 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. The upper speed seems to be somewhat limiting. Did you make this project? Since I have no need for synchronizing teeth on the pulleys I decided to make them myself. I then test turn and cut off a few pieces of steel rod with various diameters. Treadmill motor speed controller for less than $30 - YouTube 5 / 5 ( 2 votes ) When my old lathe motor died I wired up a treadmill and left the control panel so I can control the speed. Lathe Modification: Variable Speed Treadmill DC Motor. 5 / 5 ( 2 votes ) Article by Daniel Edward This board is attached to the backside of the lathe table with two heavy duty door hinges. There is no magic in choosing the height of 1¼" but any shorter will not give the clearance desired. Wood Lathe. This proves to be inadequate as it still gives me little room to brush out chips from underneath the lathe bed. Reading over the various potential modifications, I decided the DC motor needed to come fairly early in the process for several reasons. Hi I have a TM Motor with these specs that I hooked up to my wood lathe. This allows the motor to be raised and … 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. Like most households we had an old treadmill that had seen better days and was ready for the landfill. 5 / 5 ( 2 votes ) 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. 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. Cross holes are drilled on the rims, tapped M5 to accept M5 grub screws for fixing onto the spindles. 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. This removes tension on the belt and gives it a longer service life. All wooden pieces are put together with #10 wooden screws. The treadmill motor is bulky and heavy. Super Contributor; Posts: 1592 ; Country: treadmill motor = lathe? This drive consists of two split pulleys. I really wanted to convert our wood lathe to variable speed because there’s a lot of advantages to doing so. Saved from lumberjocks.com. 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.

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