At slow speed the motor will not receive much internal cooling so it must be able to withstand higher temperatures than standard motors. Design the pulley drive ratio so that the motor will be operating most of the time between 50% and 125% of base speed (base speed is typically 1750 RPM). I've been wanting to convert my Excelsior 10x18 lathe, which I primarily use for pens, to EVS for a while, finally decided to pull the trigger on the conversion kit from PSI, having heard that it is a direct fit. ", http://www.turnspain.com/lathe_upgrade.html. Reading over the various potential modifications, I decided the DC motor needed to come fairly early in the process for several reasons. Discussion in 'Woodturning Discussion Forum' started by gbeersjr, Feb 4, 2008. VARIABLE SPEED KITS. Axminster 900-950-1000, This kit is 1HP and aslo fits the SIP, Perform, Warco, etc.. 2. 1. Sort by: Default ; Latest ; Name ; Price ^ View: grid ; list ; mini ; Vicmarc Variable Speed Lathe Conversion 2 hp $1505.00. $545.00. The bottom line is that converting a lathe to a drive system that has a variable speed motor will work, but you might be disappointed in the results after spending a lot of money and time because the results will not be dramatic. For any woodturning or bowl turning operation, there is a cutting speed that is just right, and with variations in the diameter of the work piece, the spindle speed too has to be continuously adjusted as the work progresses. A variable speed motor in a wood lathe gives the tool the ability to change speeds as needed. You must register before you can post: click the register link above to proceed. 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! But, there are some very odd things about this lathe. You turn on your lathe and go to work. Easily fitted, full instructions supplied. Its elegant pre-war lines are beautiful, but I would like to try to make larger bowls. The kit consists of: v New three-phase motor, choice of two sizes – ½ HP and 1 HP.. v ½ HP kits to convert CL0, CL1, RPML300, and DML24X of the Record range of lathes.. v All Speed Genies are cubiculised to IP65 standard (dust and liquid proof) in a steel enclosure. However, Personally, because of the stock Taig lathe design limitations of the machine, I have found no advantage of variable speed over the factory setup. Thanks Joey. Though not a monster like the Woodfast, you are several steps above a pig with lipstick. Does anyone know if something like this would work on a lathe? 3. Multipurpose Machine, Variable Speed Lathe, Household Machine manufacturer / supplier in China, offering Combination Drilling Milling Lathe Variable Speed Hq500V 1/Hq800V1, 1 Meter Horizontal Flat Bed Metal Automatic CNC Lathe Machine CNC Turret Lathe with Siemens808d Ck6140b*1000, China Precision CNC Horizontal Lathe Economical Mini Turing Lathe Education CNC Lathe Ck6136 750mm … Panning for Montana gold, with Betsy, the mule! That particular Lathe has been converted to variable speed with a GE treadmill motor and MC control board. I upgrade my little Excelsior 10x18 lathe to Electronic Variable Speed. I am considering converting a Woodfast M305 to variable speed. Retrofit Instructions Step 1 Disassemble the single speed motor from your lathe Great Savings & Free Delivery / Collection on many items The new DML320 lathe offers fantastic value for money, being compact and powerful yet with very generous capacities for a medium sized lathe, giving woodturners the chance to own a high quality variable speed machine at an unbeatable price. Vicmarc Variable Speed Lathe Conversions. 08-04-2008, 03:03 AM #13. Â I sand blasted it and repainted it and it looks like new. Hold a piece of solder over the wire and then use the soldering iron to melt a small amount to the wire. To change speeds, I have to turn the lathe off, set my tool down, wait for it to stop spinning, open up the door, change belt, close door… (In other words it takes a while.) This way the lathe is converted to a variable speed lathe. Answer: This lathe has a variable speed controller, so the speeds may be changed using the simple rotating knob. At the low speed end they are pretty weak so don't expect anything comparable to the power that you currently get at the minimum speed. Our Technical support service is available 8am to 10pm, 7 days a week. State-of-the-Art Motor and Full Electronic Variable Speed. That particular Lathe has been converted to variable speed with a GE treadmill motor and MC control board. A variable speed lathe is used when more cutting control and variation is needed to complete a project.Standard fixed speed lathes have a motor that is set to a universal speed and variable speed lathes have a motor that can be increased or decreased as needed. Â I need to purchase a pulley, but would like to convert it to a variable speed in the process. Â I sand blasted it and repainted it and it looks like new. Looking at this to add variable speed to my Excelsior - seems like a good deal for $170. This is very ti… In addition to that, the Wood Lathe likewise features tailstock taper and MT2 spindle for compatibility with all your favorite centers and chucks. Convert your Record Power CL3 or old CL2 woodturning lathe to variable speed. Next on my list is my drill press. Whatever you call it you have plenty of torque or felt power at low speeds with the VFD. Equipped with a 4 way turret tool post and a 4/5" spindle bore, this BT210V metal lathe machine is … Since you will be working with electrical wiring, consult an electrician if needed. Lathe model: C400TS: Height of centers: mm: 200: Swing over bed: mm: 400: Swing over cross slide: mm: 235: Distance between centers: mm: 750;1000;1500 Refer to the original user manual to ensure that the proper equipment is being used in the installation of the new motor. What is the advantage to having a variable speed control. Also, do not use all caps nor all lower case. Hmm, you and the EEs have a basic disagreement. – there must be a tachometer in the front-panel. Â I need to purchase a pulley, but would like to convert it to a variable speed in the process. I have obtained a broken treadmill and confirmed the … I received a 1460 lathe that had been in a fire and in the process of fixing it up. Therefor I changed the original motor with a 3 phase 230V motor with VFD. Hello. .......The Variable Frequency Drive is the way all manufacturers have gone. So, #1 can anyone tell me how to replace the bearings on that lathe and, if possible, how to upgrade the bearings while I am at it. When converting a fixed lathe to a variable speed lathe take all necessary safety precautions. I converted my lathe to the same unit over 3 years ago and have never had a problem. Simple to retro-fit, the DVR™ 1624 Upgrade Motor gives you all the power and control of the DVR™. Draper WTL90 lathe. For intermediate users and novice woodworkers, the SHOP FOX W1704 offers the powers and precision you need to handle… He has converted his drill press , metal lathe and milling machine all to variable speed. Motors need to be rated for this type of service and here are the reasons why --. Wow, boehme........What do you mean by "clarify" things? RIKON 70-100 12-by-16-Inch Mini Lathe 4.1 out of 5 stars 69. Here's my project video of the upgrade. All of our conversion kits come with complete step-by-step instructions. I've been wanting to convert my Excelsior 10x18 lathe, which I primarily use for pens, to EVS for a while, finally decided to pull the trigger on the conversion kit from PSI, having heard that it is a direct fit. Carol - now in NC Nebraska >OK, I think I am ready and have everything at hand to proceed. Adjust the variable speed anywhere from 750 to 3200 rotations per minute. I received a 1460 lathe that had been in a fire and in the process of fixing it up. Normally I try to spin the motor up to 2X its base speed, but it is not possible with this lathe because the minimum diameter size of the motor pulley relative to the headstock pulley. In order to accomplish the above, one of the things that you ought to consider doing is to use a motor with a higher HP rating. Great video, Bill. Most of the lathe is in good shape. If the DC controller dies your dead in the water until you can get a new one. I soon found that there were some issues with the machine that I felt could be corrected with the three-phase motor/VFD conversion. This is a very gradual incipient type of failure mode and may not be noticed for a long time until it is evident that the motor seems to be "weak" and running hot. "A man's gotta' know his limitations ... ". There are many situations where this speed range is way too high for safety. I have put more hours of design work into my project than it would ever possibly be worth, but then, that is what hobbies are for! I like the lefthanded switch position better too. LittleMachineShop.com has bed extension kits for mini lathes, air spring kits for mini mills and more. I own three Taig Lathes, but only one is used when I occasionally use a Taig Lathe. Is there a way to convert an AC motor to variable speed? I've been wanting one of those for my lathe and your video answered a lot of questions. ... How does a Variable Frequency Drive work The first stage of a Variable Frequency AC Drive, or VFD, is the Converter. Vicmarc can provide a motor and controller set up to suit your lathe. Therefore, it is strongly recommended that motors rated for inverter duty (class F or class H windings). PSI Woodworking TCLVSKIT2 Variable Speed Lathe Conversion Kit 5.0 out of 5 stars 1. Our Variable speed control packages for the Union Graduate lathe comprise a High Performance Digital Inverter drive, New three phase dual-voltage motor, and purpose made Pushbutton Remote to convert your Union Graduate Woodturning lathe to super smooth Variable Speed Control. So bite the bullet. I own three Taig Lathes, but only one is used when I occasionally use a Taig Lathe. The variable speed control should have at least the following features; Here is the link to the company supplying the parts for his drill press conversion The motor The VFD (Variable Frequency Drive) Total cost before shipping and taxes roughly $300 US What am I missing? I found a schematic on the web and it doesn't appear to even come with one - just had threads. "Screen names" and "handles" are not allowed and your registration will be deleted if you don't use your real name. Â I damaged the head spindle and purchased a replacement on ebay. Does anyone have the electrical schematics for this lathe, or know how it is connected ? The lathe has a 7-1/2″ throw, and I would like to turn the largest bowl possible. Repeat with the second wire. Now I have an infinitely variable speed lathe. Is there any way to change them out? I'd like to turn large bowls on this lathe but the lowest speed is 900 rpm. Page 1 of 1 Start over Page 1 of 1 . The voltage input to the motor from a VFD controller has high amplitude spikes that may exceed 1000 volts and this may lead to internal arcing between the windings in the motor. Plug the cord into the power and connect the female end to the power cord of your lathe. Sorry. Replace the knob and turn the dimmer to the off position. Soldering the wires to the variable speed motor can be tricky. The variable speed control should have at least the following features; – Speed control using a potentiometer in the front-panel (connected to the VFD) – The motor must be able to run forward and reversed. While this type of controller does not have a true feedback measurement device to determine motor speed, it tries to estimate motor speed by trying to detect the motor slip frequency based on the results of a self-initialization test that characterizes the motor parameters and creates a look-up table in software. For a more basic (lower cost) Volts/Hertz VFD, performance at low speed will not be as good so the lowest practical speed might be around 300 RPM at the spindle. Turn the power on to the lathe. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. I recently purchased a mill/drill milling machine patterned after the popular Rong Fu model. You don't mention the lathe model, but the write-up says that it fits Delta Midi Lathe #DEL46-45 (and maybe others with a little work). This way the lathe is converted to a variable speed lathe. Conversion Kits. http://www.woodturnerscatalog.com/store/Lathes___Attachments___Variable_Speed_Drive___vs_drive?Args=, Woodfast lathe with variable speed motor (2).jpg, http://www.pennstateind.com/store/tclvskit.html, http://www.mlcswoodworking.com/shopsite_sc/store/html/smarthtml/pages/speedcon.html, (You must log in or sign up to reply here.). With DC you have almost none of the above. This type of controller is very expensive and would be used in very specialized applications that require precise control where motion must be synchronized with the operation of other systems. Hi, I am a machinist and I wanted to convert my lathe to variable speed. Will be machining aluminum for trumpet shaped molds and plastic bushings/housings for electrostatic and RC projects. Simply take off the old motor, change the pulley to the new motor, fix it to the motor back plate and slip the belt over one of the pulleys and you are ready to go. There is no magic solution that runs a single phase motor at variable RPM with good speed regulation. However, Personally, because of the stock Taig lathe design limitations of the machine, I have found no advantage of variable speed over the factory setup. Reading over the various potential modifications, I decided the DC motor needed to come fairly early in the process for several reasons. Instantaneous speed change is achieved using the easily accessible control panel. The 750 W motor features the latest in motor technology to give huge amounts of torque, comparable to lathes over twice the size and motor rating. "Those who leave their own footprints, do not follow those left by others. Upgrading Rockler Excelsior lathe to Electronic Variable Speed 10-28-2016, 06:49 PM I've been wanting to convert my Excelsior 10x18 lathe, which I primarily use for pens, to EVS for a while, finally decided to pull the trigger on the conversion kit from PSI, having heard that it is a direct fit. Twist the knob of the dimmer slowly to the right to increase the voltage, thereby increasing the speed of the lathe. Even though it has a variable speed control, there are also 3 belt settings (this was never mentioned in any ads). Only 13 left in stock - order soon. Easy to set-up. For applications where double speed or variable speeds are necessary, single phase to three phase converter or using an AC motor with an Inverter or inside a electromagnetic and also with brush motors. Finegrain. 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! It is such a simple machine, I love it. Convert a lathe to variable speed drive for under $100. We have Variable Speed Control solutions available to suit most machines including; MYFORD ML7, SUPER 7, 254 & ML10 / Speed 10, VMB VFDs are more complicated than a RPC because they do so much more than a RPC. I hated changing belt pulleys all the time so the other day I saw a free treadmill on Craigslist. The Bolton Tools BT210V 8" x 15" variable speed metal lathe is a perfect lathe for beginners! This type of controller suffers from poor speed regulation and shouldn't be used where that would be very important. Is there any way to either change the threads on the lathe or to get an adapter? $212.65. It now has VSD (variable speed drive) fitted. Thanks for watching! At Newton Tesla we take pride in our full aftersales and technical support to help you get your lathe speed control system up and running. You would still have the belts, but variable speed within 3 speed ranges. Basically, it varies the frequency to the motor, but does not have any sort of feedback sensing to check the motor speed to see if a correction needs to be made. All times are GMT-5. Take a look at the commercially available machines and you will see that there are very few that do not still have multiple speed ranges. Can anyone suggest what type of 3 phase motor and controller I should purchase to make this conversion. If your only tool is a hammer, you tend to treat all problems as if they were nails. Loring, I think the airflow should be better without the cover - the openings in that plastic were very small and restrictive, and now with the cover off (there is a good inch under the heat sink) there should be no airflow restriction . You are stuck with permanant magnet or shunt wound DC motors and electronic control or AC three phase with VFD control. Registration is simple and free and removes most advertising. This kit will convert any of the following single speed lathes to variable speed:Jet Midi Lathe #JML-1014, Delta Midi Lathe #DEL46-455, PSI Midi Lathe #TCLPRO,Rockler Excelsior #33207, Harbor Freight #65345, #Rikon #70-105, #Grizzly #H8259 Looking at this to add variable speed to my Excelsior - seems like a good deal for $170. There are many … The variable speed motor can also be adjusted by the lathe as you use it, depending on how hard you press the material. The top of the line VFD controllers are "vector drives" that utilize a hardware feedback device mounted on the motor to provide precise speed and position information to the controller. VS Conversion for Lathe Take a look at this. OK, couldn't see the 1" clearance. Here's my project video of the upgrade. Your username must be your real First and Last name (for example: John Doe). I recently purchased an Oliver #159 wood turning lathe. I thought it was flush to the table top. What was the intent -that you turned your own or is there something I am missing? Once the VFD is set and wired up, there is nothing to do. Lathe can be taken apart for transport, but will take 2 people to move it. It is the most economic 38mm bore lathe machine and quite competitive because of its good quality and reasonable price in the market. For universal AC/DC motors, the power decreases much more rapidly (as the square root of the speed). Because it is a three-pulley, two-belt drive setup, with the center pulley acting as an idler with both belts on it, changing the spindle speed requires removing and changing the position of both belts. I Have been researching the idea and have come to some conclusions about what I need, but I do not have a full knowledge of how to do it. Free shipping on many items | Browse your favorite brands | affordable prices. It is an ideal candidate for variable speed because changing belts on it is a real PITA. Why we not seeing a bunch of guys convert their lathes. The mid-range VFD controllers usually go by the name "sensorless vector" or something similar depending on the brand. Features or advantage of lathe machine are as below: 1.A miniature lathe used for all types of cutting. Its measurements are slightly smaller than other similar machines, which means its a good choice if you have a small workspace or need it to be portable. Metric threading kits let you turn metric threads on your mini lathe. The converter is comprised of six diodes, which are similar to check valves used in plumbing systems. Someone just gave me a 46-140. This also means that the torque. There are some electrical and mechanical compatibility issues to consider -- the average three-phase AC induction motor may not fare very well in a variable speed drive. It has an adjustable variable speed of about 450 to 3500 rotations per minute and features an onboard digital speed display that shows the current RPM. If you are modifying the lathe to eliminate the inconvenience of shifting the drive belt to change speed, you may find that you will still need to have at least two pulley speed ranges, if not more. I already have a professional speed controller, but I am not sure how the lathe is set up. For the benefit of those who don't want to earn an engineering degree in the process of modifying their machine, here are a few tips that may be of help: On the positive side, you typically don't need much power at really low speeds on a mini lathe and the electronic variable speed option will enable the lathe to run at much lower speeds. To provide speed ranges to suit any situation, there is a three step pulley. RECORD DML305, this kit is 0.5HP and fits the RECORD CL0, CL1, CL5, DML24, DML36, RPML300. I have just about worn out a Jet Midi doing bowls much too large and heavy for the bearings and they are starting to wobble. The variable speed makes going from low RPM to high RPM a very easy process. If this is your first visit, be sure to check out the FAQ by clicking the link above. Next. Now get the best out of your 1624 by adding our renowned Striatech DVR™ Intelligent Variable Speed Drive. Just wondering if anyone can give me any suggestions about converting a 4 speed Rockwell/Delta 11" (46-140) lathe to variable speed? What's New; Books DVDs and Magazines; Convert your lathe from Multi Speed to Variable Speed. By contrast, the power available at the spindle from a stepped pulley speed control arrangement is always constant for all speeds. This lathe has 6 spindle speeds which can be changed by selecting a belt configuration. 08 - EVS for Excelsior Mini Lathe - YouTube, https://www.sawdustzone.org/forum/di...sked-questions. I picked it up and put the variable speed treadmill motor on my lathe.

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