Bridgeport ball screw conversion. ru/hw4na/cisco-wireless-compatibility-matrix.

7700 Fax: 815. $879. Note: Most makes of power feed units are made to fit on a standard manual feed screw (see above). Now Available! The PM-25MV CNC Mill is one of the most popular hobby mills out there. Jan 9, 2011 · Has anyone used a ball screw for a lead screw on BP series 1. But, you can easily use a Rockford Rolled Ball Screw Kit for about half that amount I paid for my ground ball screws. Still working thru rolled versus ground ball screws. There are internal clearances in the BP Knee Mill that must be observed. Feb 25, 2021 · I have ball screws on my Webb 4Vh. about 5x the price but but what I expected. They quoted me the x and y axis of the bridgeport, 25mm -5mm ball screw ( because i think the 32mm nut won't clear under the way ) and the price is 279 CAD$ !!!! with Precision ground ball screws with . If you own a Fadal CNC machine in Philadelphia, Pennsylvania, or require any other machine tool services, look no further than Hardinge Repair. When you need us, we’re only ever a phone call away. co. I found Bridgeport ballscrew kits at Broussard Enterprises Inc 562-921-4300 ask for jeff. I have split the nuts, and tried all sorts of adjustments, but the wear especially on the X-axis results Bridgeport Quill Feed Mechanism. Reconditioned fully operational Bridgeport Series 1 Boss 3 Mill will all new electronics running Mach-3 software and setup for 4th axis - excellent machine for a serious hobby shop or small commercial operation. Mar 26, 2009 · it was 40+ years ago. I think 3:1 is ok here as the old girl won't like massive rapids, it increases torque and increases resolution. Rockford Ball Screw. Machines such as the Bridgeport Boss, V2XT and DX32 series and others like Sharnoa, Wells Index, Shizouka, YCI YCM-40 and others are made for CNC knee mills and can often be had for less than the cost of a good manual knee mill. We are out of Hybrid Steppers 2-25-2021. 00 58. All components are precision engineered and include the hard anodized quill feed Bridgeport Kits; Accessories; Linear Guide Rail Technology. MachMotion offers CNC Knee Mill retrofits for all machine brands. The X, Y and Quill were all converted last year as part of the CNC conversion project. Part No. Gear Box Power Feed Screws also available (not shown). Jun 25, 2012 · Just ordered the Rockford ball screws from Microkinetics for my Bridgeport conversion. Nov 3, 2017 · The Bridgeport CNC Quill retrofit kit includes the mechanical components needed to convert the Z axis of your manual Bridgeport or Enco mill for CNC operation. Feb 14, 2018 · Re: Bridgeport ballscrew retrofit, design the yoke. Thread starter porsche_v8; Start date Jan 7, 2007; Replies 22 Views 22,489 1; 2; Next. 5/8-5 Ballnuts aro only. Then again, you could buy a HAAS TM-2 or OM-1 and make 4 or 5 times as many widgets in the same time, so you really are behind the game again. on Ebay from an Asian source delivered for around $100. Feb 25, 2016 · Re: Bridgeport ballscrew retrofit, design the yoke. Our ball screw technology is an integral part of what keeps manufacturing, production and people on the move - proudly made in the USA, with one of the largest inventories of ball screws, acme screws and accessories. Brand: Bridgeport. This is a common issue even with the stock screw brackets. Craig Jul 7, 2020 · This will be a complete conversation using hiwin ground ball screws, dc servos, Machdrives BRA dual encoder servo drive along with Sino glass scales for the second encoder with mach3 or 4 I know everyone has seen a lot of BP conversions so I’ll focus on the quill drive setup much like the Keith Elrod kit. Feb 14, 2015 · Re: Help with a ball-screw conversion G0705 / HF33686. Therefore, material from the Y-Axis ballnut must be removed to provide adequate clearance for it to pass the jack screw. Joined Jan 19, 2008 These is a set of ball screws on ebay titled "bridgeport 9x42 ballscrews", has anyone tried converting a Bridgeport with such screws? Similar Threads: ball screws for bridgeport mill; Bridgeport - best way to clean rusty table and ball screws; For sale: 2 ball screws, 2 ball nuts 2 fixed end bearing blocks and bearinsgs. Typical lead times are 6-8 weeks, expedited lead times are available. 961. Where can I get a yoke or a kit to fit item 5 (1) bridgeport / knee mill ball screw 16" table precision ground p/n: bg3205y-16 (1) bridgeport / knee mill ball screw 16" table precision ground p/n: bg3205y-16 $990. Hi, My Hardinge Bridgeport VMC ball screw Y Axis has been making a loud noise for at least a year now especially when rapidly traversing in the Y Axis. i have just completed the drawing of the x axis , in order to send clear infos the the chinese manufacturer. T: Torque applied to the ball screw in Newton-meters (Nm). Mar 7, 2015 · It turns out my Bridgeport milling machine had about . 030″. We offer fast, flexible lead times for ball screw repairs: 24-hour rush repair service (emergency reload) 5-day typical turnaround for standard repairs. 001" Backlash. Jay Quote from: metlcutr55 on May 11, 2016, 01:06:18 AM. The Bridgeport CNC Quill retrofit kit includes the mechanical components needed to convert the Z axis of your manual Bridgeport or Enco mill for CNC operation. $. The ball screws have a 5mm pitch and are driven by a 2:1 timing belt reduction from the motors. For example, the yoke at times runs close to the Z-Axis jack screw. I do very little machining and it is mostly 1 odd piece type work. Nov 28, 2018 · Bridgeport recommendations evolved over the decades, as I'm sure everyone realizes. Seen many photos from a distance or If you would like to rebuild your own Bridgeport head you will want to check out our Bridgeport Rebuild Kit Page Our rebuild kits come with easy-to-follow instructions and our toll-free number! If you need parts or services for a machine other than Bridgeport please call us at 260-422-0020. $395. Lemmee tell you, not all Bridgeport Clones are the same! The bore to bore distance on the Enco XY Yoke was an inch greater than the kit. in fact having the spindle free was the best part. With a machine travel of 6" x 12" I have things that I cannot make for my car hobby. The Feed Trip Lever is bent or not properly adjusted. It was fitted with a few upgrades. I use it manually often, and do not experience any problem even when aggressively climb milling. 5 mm of motion or . There are wires in the harness for limit switches but they are not installed or included. When I tightened the feed nut retaining screw, I was only able to reduce backlash to . Jul 11, 2024 · CNC Bridgeport Knee Conversion Kit. also do not skimp on ball screws, i have seen just ball screw kits for bridgeports. Whats left is one ball end with stubby bent shaft. 1 of 2 Go to page. Contribute to redmik40/sbm development by creating an account on GitHub. There was not going Now on to my conversion. Lots of myths around about negatives of ball screws. 7701 Link. 0006mm/line resolution which is silly for an old BP. These is a set of ball screws on ebay titled "bridgeport 9x42 ballscrews", has anyone tried converting a Bridgeport with such screws? Similar Threads: ball screws for bridgeport mill; Bridgeport - best way to clean rusty table and ball screws; For sale: 2 ball screws, 2 ball nuts 2 fixed end bearing blocks and bearinsgs. Rockford Ball Screw 940 Southrock Drive Rockford, IL 61102. May 10, 2016 · Converting my manual machine, Using CSMIO/A controller, 750w servo motors with 3:1 reduction. 00. I most recently cut a hole in the side of the knee to direct drive the z axis with a planetary gear setup on the z motor, instead of using the hand crank shaft, there was a lot of backlash in the bevel gears. All Of Our CNC Conversion Kits. All components are precision engineered and include the quill feed drive frame w/ size 34 motor mount, the ball screw and ball nut assembly, the motor and ball screw pulleys, the motor . Some Apr 7, 2020 · Bridgeport quill ball screw conversion. One final note. Genuine Bridgeport Knee Mill replacement part. P. but the reason the cutters can push the table around with ball screws is simply the efficiency of the "machine". I have an updated boss bridgeport (geckos and mach) that cost a song and dance and a hurco that I got for little more than the cost of the tooling that was included. The guy from this link RF-31 Mill CNC — Baka Mecha looks like he used 25mm size screws and they were a little big for the amount of space in the X-axis. These were sold as a Bridgeport Clone conversion kit. The Reverse Trip Ball Lever (dog bone) bends and then snaps. Installed a 1. The Acme screws/nuts are smaller in diameter. 200 RH PM-25MV CNC Mill Conversion Kit. The Feed Trip Lever should be straight, replace this part if damaged. « on: September 15, 2008, 08:41:17 PM ». It describes removing the existing screws, installing the retrofit kit which includes ball screws and a new support housing, aligning and reassembling the system, and provides troubleshooting tips. Jul 16, 2016 · He advised me that the bearings I purchased were not recommended for ball screws. I have installed it on my chevalier milling machine which has a Bridgeport clone head, it works perfect with a nema 34 motor and is much more ridged than off the shelf kits. I have a 1965 Series I Bridgeport 9X42 Mill that I have converted to 2 axis CNC. One thing to be aware of with regard to ballscrews is that they can be back-fed whereas the acme screws can't for all intents and purposes. Jan 26, 2014 · the ball screw, bearing block, and ball nut can be purchased from automation technologies inc for about $100 just needs to be cut to length. I converted it back to manual from former factory CNC operation. Need to get details on zero backlash ball screws. I took a chance with buying a set. Turn the nut a tiny bit for each ball as it is added. 00 52. 045″ of backlash in the x-axis. The Alliant just has a servo slapped onto the knee lift screw and air assist. I also have one KL34-180-90 1125 in oz servo motor, Gecko driver, encoder, and power supply on the way from Automation Technologies. My TMC-1000 is a great little machinebut little. Chinese Ballscrew upgrade Question Series 1. This will be a complete conversation using hiwin ground ball screws, dc servos, Machdrives BRA dual encoder servo drive along with Sino glass scales for the second encoder with mach3 or 4 I know everyone has seen a lot of BP conversions so I’ll focus on the quill drive setup much like the Keith Elrod kit. 200 RH BRP-2236 36. Be sure and DO NOT let any balls get in the parts in between the tracks if there are multiple circuits. They look well made and designed but could use some new wipers. Such as brackets, mounting plates and attachments to the quill itself. Oct 18, 2012 · I have a BP mill with quality ball screws and an Acurite 3 axis cnc conversion. Axis Motor mounts. 200 RH BRP-2248 48. It's Your Move ™. 00 #machineryassociates #cnc #panelsaw #woodworking #machinery #machining #usedequipment #usedmachinery Jun 24, 2010 · If you ask for oversized balls the standard ballnut will have only . I've been doing some googling and have found some of the following information. Ball Screws; Acme Screws and Nuts; Special Threads; Cincinnati 300 Series Ball Screws; Saginaw Ball Screws; Rockford Ball Screws; Warner Ball Screws An instructional video on how to install a Ballscrew Set onto a Bridgeport mill. So 2500 counts of the encoder represents 2. 00 Best Selling in Lead, Ball & Roller Screws Note: Most makes of power feed units are made to fit on a standard manual feed screw (see above). Hey folks, Trying to find good descriptions of the mechanics involved in affixing a servo motor and ball screw to the quill of an older BPort step pulley head. I'd think ground screws would be more accurate though Jul 20, 2021 · Yoke for ballscrew conversion on Lagun FT-1? The Lagun FT-1 that I have is very similar to a Bridgeport, but has lots of metric parts and slight differences enough to make fitting things like power feed a challenge. They are awesome servos. Retrofitting with ball screws can enhance the accuracy and performance of the mill, making it suitable for more precise machining operations. Aug 14, 2006 · Ball Screw kit for Bridgeport Conversion. uk Bridgeport Knee Mill ballscrew Set 12" x 48" w Yoke Bridgeport Ball Screw Conversion Jefferson When you choose Hardinge Repair for your machine tool needs, you can be confident that you are partnering with a company that is dedicated to your success. The knee lead screw on my CNC conversion is driven directly through a 3:1 timing belt and stepper. π (pi): Approximately equals 3. The document provides assembly instructions for replacing the existing screws on a Bridgeport series 1 mill with a retrofit ball screw kit from Rockford Ball Screw. I know I should have maybe investigated sooner but the machine is cutting absolutely fine but thought I would look into it now. Apr 14, 2020 · This will be a complete conversation using hiwin ground ball screws, dc servos, Machdrives BRA dual encoder servo drive along with Sino glass scales for the second encoder with mach3 or 4 I know everyone has seen a lot of BP conversions so I’ll focus on the quill drive setup much like the Keith Elrod kit. Jan 15, 2014 · 312. Lead BRP-2232 32. Jan 3, 2012 · The snap ring no longer fits correctly so the threaded rod (Quill Stop Micro Screw) overtravelled. ago. May 23, 2014 · Bridgeport BP 12749281 Warner R502 Ball Screw. Jun 21, 2011 · I am just starting a new project to upgrade the Z (knee) axis acme screw on my 1966 J-head BP with a nice Century ball screw I found on Ebay. Obviously, a one-shot oiler wouldn't be a very good avenue for grease application in the context. e. I have 4:1 on the Alliant and it's been working for years and years. Because of it having a T-Ram option and being a Line-A-Mill when it was new( I have removed the optic tracer). 14159. e, not material). Still looking for sufficient quality ball screws for X and Y axis of Bridgeport Mill. Looking for $6500 located Buffalo/Rochester NY region. Wired for and includes Geckodrive G540. 0 lash on Y and . Phone: 815. Add to cart. You can drop the balls into the space between the nut and screw, one at a time, and push them into the groove. Bridgeport ball screw adjustment. Jan 30, 2007 · If you have a nice knee mill, sell it, and buy an older machine that already has the ball screws and servos/steppers installed. formatting link I am a little surprised about it, as, I thought, ball screws could only be used in CNC mills whose screws were held by stepper motors. Cheap Vice. I know everyone has seen a lot of BP conversions so I’ll focus on the quill drive setup much like the Keith Elrod kit. Attachment 310430. So we decided that it needed a conversion kit that would out perform the kits that are available today, By adding Double Ballnuts to our ball screws we have doubled the accuracy to the kits that are now Jul 3, 2021 · Got the y axis installed and made the cut into the saddle to handle the ball screw bearing but enem with the saddle fully cut the bearing sits about 1/4 inch high (the bearing is already cut down). My goals: Convert X and Y axis lead screws to precision rolled ball screws. Most table sizes available 9x42 , 9x48 , 10x50 , 10x54 , 12x58. 00 42. Fast ball screw repair service is available across North America from our repair center in Michigan. Call me at (573) 368-7399 or enter your name and number here and I’ll get back with you within a few business hours. As technology continues to evolve Re: Help with a ball-screw conversion G0705 / HF33686. Fit in your machines existing yoke or our heavy duty yoke. Ball screws are over 90% efficient; IIRC threaded screws somewhat less then 50% Bridgeport Ball Screw Conversion Holliston Machining is an art that requires meticulous attention to detail, unwavering focus, and a wealth of experience. Jun 8, 2017 · I have a 1967 Bridgeport that is in good shape. Newbie- Bridgeport CNC conversion. No problem climb milling if table is snugged down. I am presently using the old Acme leadscrews, which have about 10-12 mills of backlash near the center of travel. Apr 10, 2022 · I feel like if even 1% of these CNC conversion projects proposed online were completed there would be a substantially larger number of such modified machines seen in the wild. 001 of backlash. May 17, 2012 · The Heidenhain board then outputs 625 A quad B digital cycles per revolution giving a resolution of 2500 counts per revolution. Can't say for sure about the Lagun, but my Willis mill had to have a special cast yoke for ball screws when I retro-fit a SWI SMX CNC package. I bought it new last year, and installed a Newall C80 3-axis (X, Y and knee for Z) DRO. Sep 3, 2007 · Hello all! I have a large 10 x 54 vertical milling machine, Grizzly Model # G9905 that I would like to convert over to CNC. For further inquires please call 1-800-285-5271 or email us at support@hwmac Jul 13, 2007 · for a bridgeport i would get at least a NEMA 34 servo motor and to run mach 3 get US digital encoders. The 6 foot length of 5/8-5 rolled ballscew and 3 ballnuts for my last CNC project cost about $200. When you need a Renishaw tool probe or a talent tailstock way cover, give us a call, and we will get one for you. He has an alternate available for ball screws called the 1173-A. I found a set of three ball screws ( X, Y and Knee ) on eBay. The advantage of a manual to CNC converstion is in retaining the manual control of the machine tool. Ball Nut Dimension same as x-axis above. 0005" per foot lead accuracy. Teknic Servo Motors. Every Ball Screw Is Hand Packed and Tested For Backlash. But if those ball screws will last longer and be much more accurate over the life of "multiple" acme screws Jan 2, 2024 · The calculation formula for the Ball Screw Force Calculator is straightforward: Force (F) = Torque (T) / (Lead (L) * 2 * π) Where: F: Force measured in Newtons (N). Hybrid Steppers. In the case of ball screws there are generally bolts that secure the ball screw nut to the ball screw nut bracket. I have a larger cnc mill that I was able to use to do the modifications to the Taig mill table and bed parts. The ballscrews has a hardening hardness of HRC 58-62 The Ballscrews are 32mm and Are Laser check for accuracy. Table Size A Dim. Bridgeport Quill Kit ** NEW Improved Design! **. But if those ball screws will last longer and be much more accurate over the life of "multiple" acme screws Dec 4, 2016 · Removing the Lead Screw for the cross feed on the Bridgeport. As the one piece feed nut wears, and backlash grows, the feed nut can either be replaced May 18, 2018 · Every Bridgeport mill rebuild has the option to upgrade to a Precision Ball Screw kit, but only 1 in 6 will purchase the upgrade, according to Bridgeport Machine Rebuilders. Some people complain about problems during climb milling regarding cutter snatch, but i have never experianced this. Nov 6, 2018 · The MicroKinetics Bridgeport CNC Quill retrofit kit includes the mechanical components needed to convert the Z axis of your manual Bridgeport (or similar) knee mill for CNC operation. 02 more i ran my 10 x 50 Acra knee mill, knee driven, pc controlled and built by CNC Automation here in NH USA, for 11 years, with NO problems related to the knee driven part. Drill Chuck. 5" dia 5 TPI ground screw I found on ebay. InaudibleRocket. 0005/ft . It is really difficult to find them at reasonable quality and price. Here is a Kit on Ebay these are a C5 grade Ground Ballscrew which you don't want any less than a C5 Grade, also they are made for each Bridgeport model so these may be the wrong length for you machine A UK Ballscrew supplier as well Lead screw and Ball Screws Moore-international. (Taiwan). 00 . Since Rockford Ballscrew is 30 miles away I pick up my orders my self. My "backlash" is "almost unmeasurable" (i. Manufactured to OEM specifications. This will be a complete conversation using hiwin ground ball screws, dc servos, Machdrives BRA dual encoder servo drive along with Sino glass scales for the second encoder with mach3 or 4. What are your results. Zero backlash nut with integral wiper. Any machine less than 50% efficient can't run backwards - i. And you can find a less expensive and durable controller instead of the Hicon. Also can't say if the BP screws are the same configuration even if the same table length applies. Look at pictures, the machine is clean! $13,900. , the table won't move the screws. Re-machining the original yoke crossed my mind for just under 10 minutes. My ball screws on my bridgeport are 5mm pitch which is relitifly fine in the ball screw world which could explane this. There are conflicting opinions on line about converting a Need replacement ball screws for your CNC Bridgeport Mill? Alpha has drop-in designs to replace Hiwin and other manufacturers. Similar Threads: Bridgeport CNC Conversion, Yes another one, for me too! New Machine Build- Bridgeport CNC Conversion. The base machine is a Bridgeport Boss 3 which is a late 70's factory CNC conversion of the well known Apr 24, 2024 · You can retrofit an existing Bridgeport mill with ball screws by purchasing a conversion kit or having a professional machine shop perform the retrofitting. 200 RH BRP-2242 42. PM-940M. Bridgeport rebuilder here, you’ll want that to be as perfectly aligned as possible to avoid a motor load spike and binding at the end of the travel. VFD for Powering 1ph to 3ph. Also has Ball Screws feed screws. Next Last. Does it work good, is it solid? I have a ball screw that is new old stock I believe it is a warner and is set up for a bridgeport. This simple yet powerful equation May 25, 2020 · This will be a complete conversation using hiwin ground ball screws, dc servos, Machdrives BRA dual encoder servo drive along with Sino glass scales for the second encoder with mach3 or 4 I know everyone has seen a lot of BP conversions so I’ll focus on the quill drive setup much like the Keith Elrod kit. Jan 2, 2018 · Thanks for your response and the photos of the magnetic sensor and scale. Chrome ways. Oct 8, 2009 · 10-08-2009, 11:32 PM. The screw shaft sits on the surface of the saddle so I don’t think taking material off the saddle to lower the screw will work. 1173-A - Thrust Bearings for Ballscrews He only recommends the 1173 bearings for the standard ACME screw Dec 5, 2023 · The Ball Screw Force Calculator, encapsulated in the formula F = T * 2 * π * GRR / (L * E), serves as a valuable tool for engineers and designers working with ball screw systems. Typically, backlash is adjusted by tightening the feed nut retaining screw. May 3, 2014 · Just ordered the Rockford ball screws from Microkinetics for my Bridgeport conversion. about $45 each. Originally Posted by 109jb. 007 on X. These are thrust bearings sold in a duplex set. This conversion allows the use of the mill in manual mode (turning wheels). L: Lead of the ball screw in meters (m). May 24, 2014 · Just ordered the Rockford ball screws from Microkinetics for my Bridgeport conversion. My friend has a BP with two full turns of lash with standard screws. New or Custom-Built Machines: May 18, 2018 · Every Bridgeport mill rebuild has the option to upgrade to a Precision Ball Screw kit, but only 1 in 6 will purchase the upgrade, according to Bridgeport Machine Rebuilders. The nut needed to Nov 22, 2010 · Set the screw up on end, and place the nut over it. 999-1000-102. What this means it that if you want to have an axis stay put, you will want to lock it. Of which I can not find any info on. Jan 25, 2005 · get ball screws! they are a vast improvment on slopy, worn conventional feed screws of all types. The M-105 manual from 60's era recommends waylube for both ways and screws. Go. 200 RH Ball Screw Repair, Rebuild & Replacement. I converted my 66 J head to a Ball screw for the Z. 00 46. The Ballscrews are Precision Ground to an accuracy grade of C4 class . Contribute to dinglei2022/en development by creating an account on GitHub. I can use it or I can sell it and buy some other goodies. Thread starter AF-METALS-TECH; Start date Feb 19, 2009; Replies 4 Views 5,342 AF-METALS-TECH Aluminum. YMMV. Figures look like 0. They are terrific. Milled motor mounts for the motors, connect to the ball screws with timing belts. Install servos on X, Y, knee & quill. Quill-drive ball screw, motor assembly and mounting plate (3-axis kits) Ball screws to replace the table and saddle lead screws; Nut retaining yoke (if required by the machine type) X and Y axis servo motors and amplifiers; Table end cap and motor mounting bracket; Saddle handwheel adapter and motor mounting bracket; Drive belts and pulleys (2 Jul 7, 2020 · This will be a complete conversation using hiwin ground ball screws, dc servos, Machdrives BRA dual encoder servo drive along with Sino glass scales for the second encoder with mach3 or 4 I know everyone has seen a lot of BP conversions so I’ll focus on the quill drive setup much like the Keith Elrod kit. Dec 23, 2013 · Take a look Rockford Ball Screw kits they have the end drawings on the web site. $85000. . The motors are wired for plug and play operation. Agreed about the ball screws. Mastering its application empowers professionals to optimize mechanical systems by ensuring the precise calculation of forces. Terry knows someone who is using the quill for the Z and the knee for tool offset positioning. Biesse Selco EB70 10 CNC Panel Saw A Nice Saw for First Timer or small shop. The initial cost will typically scare off a Purchasing Agent, Maintenance Manager, or Machine Shop Supervisor. Yes, Joe, do do some research on the ball screw idea -- as the Doc said they aren't a real good idea on a manual machine, theyre too loose, and even light cuts will cause the screw to turn - and as he says, can become a real aggravation. and i would drive the knee as opposed to the quill but this may limit you in terms of doing contour work as driving the knee is difficult at speed. I looked at 12mm ball screw as a very good match for the Taig mill on all 3 axis. You might be able to do it under 5K. Dec 16, 2022 · Grizzly G8689 Mini Milling machine with professional ball screw conversion. Nov 12, 2014 · Total weight is about 2750lb. Currently, the mill has a stepper driven knee system but its driving the original acme lead screw. Hoffman Mechatronics Bridgeport Mill J1 Rebuild NOTE: If your machine utilizes ball screws instead of lead screws be sure to secure the ball screw nut so that the ball screw cannot be removed from the ball screw nut. I have found that I do not use the BP as much as I did in the past before the CNC. You may need to slot the mounting holes if alignment isn’t close enough when bolted on. Ball Screw Replacement for ANY MACHINE TOOL, Foreign or Domestic. Dec 6, 2012 · The only time doing any work on an old machine is worthwhile is if you are making a product and the retrofit or conversion saves you so much time, you make mad money. • 2 mo. PM 25 CNC Kit - PM 30M CNC Kit - PM 940M CNC Kit. Jan 3, 2011 · Bridgeport ballscrews kits. 5/8" screws seem to be about the right size in diameter. All components are precision engineered and include the hard anodized quill feed drive frame w/ size 34 motor mount, the ball screw and ball nut assembly, the Dec 20, 2008 · I went to an auction recently and picked up a set of screws that turned out to be ball screws for a 9x42 Bridgeport. Bridgeport Kits - Rockford Ball Screw Put a set of ball screws on the old girl and convert her to CNC, that is what I did with my J-head. Minimize disruption & keep making parts on your CNC Mill with a retrofit. The bridgeport has a ball screw with a rotating nut and air assist. Expediting service to minimize down time. I used three Teknic Clearpath servo motors, model CPM-SDSK-3441D-ELN. With the old acme screw I could do about 10 IPM now I can do 75 IPM. Most kits will have less than . All you will need is a power supply for the Geckodrive and the software of your choice. position over a hole, and mdi hand tap holes small as #2-56 Bridgeport quill ball screw conversion. now use double ball screws for even less backlash. 001mm per count. I see lots of ball screw kits for Bridgeport including a new yoke to connect the Y and X. Jan 29, 2007 · Hey Guys, I'm thinking about converting my Bridgeport mill to CNC. I have only ever seen working factory CNC knee mills like Prototrak, dead factory CNC knee mills like Bridgeport Boss crap and unfinished DIY projects sold at a loss. lv rq ie hj lo zy hv lz mr tm