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Mark Carew
Last Activity:
Dec 11, 2018 at 8:57 AM
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Mark Carew

OpenBuilds Team, Male, from NJ

Staff Member Moderator Resident Builder Project Maker Builder

Hey guys I am going into radio silence for a bit as we are working on some exciting new things we can wait to share! Stay tuned Apr 7, 2018

Mark Carew was last seen:
Dec 11, 2018 at 8:57 AM
    1. Eric Filomeno
      Eric Filomeno
      Hi Mark,
      I just placed an order for my first build and the only thing I think I need now is a 2:1 linear actuator reduction plate/gears/belt/etc... Can you tell me when these will be available?
      Thanks!,
      -Eric
      1. MaryD
        MaryD
        Eric, the best place to get product information and dates is from the Part Store. You can reach them @ [email protected]
        Aug 29, 2016
    2. chopper
      chopper
      Is the c beam bundle out of stock or unavailable for purchase if so what is the lead time?
      1. Mark Carew
        Mark Carew
        Aug 22, 2016
      2. MaryD
        MaryD
        C-Beam Bundles are back In-Stock!
        Aug 24, 2016
    3. PCZ
      PCZ
      Mark I am interested in outsourcing a machine design using openbuild parts. Is there a way to contact users to gauge interest and/or capabilities?
      1. Mark Carew
        Mark Carew
        Hello PCZ, I would suggest finding a Builder who has already posted a Build that is closet to what you have in mind for your application and ask them though a message if they would be interested in creating a custom Build for you.
        Aug 16, 2016
        MaryD likes this.
    4. Charlie B
      Charlie B
      Hi Mark I am completely new to to this forum and was looking at the basic C-Beam but then came across this X-Large project which is ultimatey what I would have developed the basic model into. My question is, is this X-Large version too much for a complete novice? What would be the estimated cost of the kit bundle plus electrics?
      1. Mark Carew
        Mark Carew
        Aug 16, 2016
      2. MaryD
        MaryD
        To add to Mark's comment, our test machine was built by a novice. The build manual was so detailed that he was able to complete the build on his own in what would have been less than a weekend!
        Aug 24, 2016
    5. George Ioakimedes
      George Ioakimedes
      I'm looking for advice on building a small XYZ station. We will be using it to probe and test circuit boards which are in a 5" x 6" array panel. Almost no torque requirements other than to move the assembly and maybe 1-3" Z travel to probe the board. What's your thoughts on coming up with the most cost effective solution since we plan on building several of these. Any helpful pointers would be greatly appreciated.
      1. Mark Carew
        Mark Carew
        Aug 16, 2016
    6. Tyler Taschner
      Tyler Taschner
      Mark,

      I am working with the lead screw linear actuator system and I am really looking for a 1500mm length of the 8mm diameter lead screw option that is available through this website. Is there any possibility of that being an option? The application that I will be using it for is a little custom so the rigidity of the 1500mm length wont be an issue.

      Thank you for your time.
      1. Mark Carew
        Mark Carew
        Aug 16, 2016
    7. eddyg
      eddyg
      Mark, I'm sorry to bother you but I have no more turns to make. I purchased Mach3 and keep in mind I have no experience with CNC yet, I got a TinyG. I want to use mach3 but I found out it is not possible. what are my options? I cannot use chillipepper because there's no internet connection in my shop. Should I change controller board to something more Mach3 compatible? any suggestions?
      1. Mark Carew
        Mark Carew
        Hello Eddyg I have not used the TingG but I do remember the tgFX controller software that was being worked on some time back. It has been replaced with Chillipepper but its still there and you may find a way to use it.
        https://github.com/synthetos/tgFX
        Jun 29, 2016
      2. Mark Carew
        Mark Carew
        Jun 29, 2016
    8. Rav3nDESIGNS
      Rav3nDESIGNS
      Hi Mark, newbie to the forum
      was thinking of building the Big OX 1500 x 1000 you have in the CNC section.
      I have a cheap chinese cnc but want to build something a little more serious.
      I mainly cut aluminum , carbon fiber and g10 was thinking of using a 2.2kv spindle would the current gantry handle that?

      I have found your parts list but i'm not sure what i would need to swap out to make it more robust?

      Troy
      1. Mark Carew
        Mark Carew
        Hi Tony, welcome to the OpenBuilds community! I would suggest looking at some of the new Builds that will be using the C-Beam XL plates they are really nice and have a lot of flexibility when building.
        http://openbuildspartstore.com/c-beam-gantry-plate-xlarge/
        We have a couple example builds posted and soon (working on them) will have more including their bundles. Hope this helps
        Jun 13, 2016
    9. Mark Carew
      Mark Carew
      The Nema 17 lead screw driven can move up to 400 in/min. Hope this helps , we look forward to seeing your Build.
    10. Mark Carew
      Mark Carew
      The Nema 23 HT (larger motor) lead screw driven can move up to 200 in/min.
    11. Mark Carew
      Mark Carew
      Hello @Mark G from the testing we have had reported. The Nema 23 lead screw driven can move up to 300 in/min
    12. Mark G
      Mark G
      Hi Mark- I'm trying to build a linear pumping system. For best results the table must move (in only 1 axis) about 60 inches per minute. Can a lead screw type drive move this fast or should I try the belt assembly? Total travel is about 6".
    13. SethEden
      SethEden
      Hey Mark, I sent a message regarding logo fair use on the contact us page. Can you please check, or have someone check and get back to me? Thank you so much!!! :-D All the best and I hope you have a good day!
      1. Mark Carew
        Mark Carew
        Hello @SethEden thank you for the reminder, will do.
        Jun 7, 2016
    14. Mark Carew
      Mark Carew
      If you add the HT Series Stepper to this actuator you can get more like 60lbs
      1. Mark Carew
    15. Mark Carew
      Mark Carew
      The NEMA 23 with the screw drive can lift about 25lbs max with the standard motor.
      1. Mark Carew
    16. rwalkins
      rwalkins
      Was wondering which bundle I should purchase for my custom tv lift cabinet. I was looking at the V-Slot™ Nema 23 Linear Actuator Build. It's a 46" tv and I have to lift it 24-26".
    17. Mark Carew
      Mark Carew
      Getting ready for a fun weekend of building and BBQing! :)
    18. BobAd
      BobAd
      Hi Mark:
      Question, the lead screw 8MM seems smaller in diameter. When you torque down the flexible coupling, pinch side of the acme screw
      it won't hold the torque to the shaft. Plus the bearings have a lot of play on the screw when mounted to the end plates???

      thanks bob
      1. Mark Carew
        Mark Carew
        Hello Bob,
        the lead has been retooled slightly so that we did not need to sand them down to fit the 8mm bearing ID if you have side to side movement this will not affect the movement of the actuator other then some noise that can be dampened with tape.
        May 24, 2016
      2. Mark Carew
        Mark Carew
        As for the flex coupling not fitting properly you will need to make sure to tighten the clamp all the way down tight and take a look close at the coupling as (if they are the new version) you should see another set screw that locks it to the shaft once the clamp has been tighten down.
        May 24, 2016
      3. Mark Carew
        Mark Carew
        If you have the old style please let the Part Store Team know this so that they can update this for you. [email protected]
        Hope this helps Bob
        May 24, 2016
    19. finalcountdown
      finalcountdown
      Hi Mark,
      I placed an order yesterday and not sure what happened? Could you please advise when possible?
      Thank you.
      1. Mark Carew
        Mark Carew
        Hello for order questions please contact the Part Store - [email protected] They will be sure to take care of your questions. Thank you
        May 6, 2016
    20. Hariharan K
      Hariharan K
      HI Mark, i am building a OX cnc Xpro v2 cnc. i am able to move all the axis, when i try to draw a circle with a pen in Z axis. its plotting as Oval :). Please help me out. i use 24v supply and nema23 OX 500X750 config, my reg setting is listed below. i use Universal gcode sender V1.0.9
      1. Mark Carew
        Mark Carew
        Hello Hariharan,
        Usually the case here is a slipping pulley on one axis. So I would suggest that you first make sure that the pulleys are one with the motor shaft. Even the slightest bit of looseness in the system can cause this kind of machine behavior.
        May 2, 2016
      2. Mark Carew
        Mark Carew
        May 2, 2016
    21. Piero87
      Piero87
      Hi Mark, sorry if I bother you again! I have a question about the OX CNC and GT3 Belt, i have see that on the openbuildpartstore the gt3 belt have 5mm width, but in other openbuildparts reseller have 6mm width, what is better for the OX and the v-slot? I want use 4 Nema 23. Thanks:)
      1. Mark Carew
        Mark Carew
        No bother @Piero87 We use the 5mm so that if you want to us it as belt and pinion system where the belt lay in the track it will not rub the sides. We have used both and its really no problem to use either, in fact we have widened the C-Beam track to allow for 6mm belt so its really just whats available to you . Keep up the good work! :)
        Apr 25, 2016
    22. Piero87
      Piero87
      Hi Mark, i have posted a message in the OX CNC Discussions, about the screws to use in the OX CNC. I have looked your build video on YouTube and for example in the video you use the M5x10mm screw but in the parts list i doesn't see that screws, have you got the complete list of screw that need to build it and for where to be mounted? Thank you very much for this amazing project!
      1. View previous comments...
      2. Mark Carew
        Mark Carew
        The community builders like yourself have done an outstanding job at helping to make the OX build more complete then ever though feedback and we thank you so much for that.
        It may be helpful to know that between the 8 and 10mm screws in most cases they can work in the same instances.
        Apr 18, 2016
      3. Mark Carew
        Mark Carew
        You can flip the tee nuts upside down and this allows you to use the 8mm in at 10mm spot as you gain a couple mm in the flip with the tee nuts threads at the top of the channel instead of the bottom. I think this may be the case with this build. Some of the newer builds we are working hard to make sure the list are more complete or bundled when available.
        Apr 18, 2016
      4. Piero87
        Piero87
        Thanks Mark!
        Apr 18, 2016
        Mark Carew likes this.
    23. Daniel gomez
      Daniel gomez
      1. Mark Carew
        Mark Carew
        Hello Daniel, We are working to have the numbers for the actuators released soon. However I think with the screw driven C-Beam™ actuators you show in the animation you will have no problems lifting a 10kg mold. You have a nice setup there and we look forward to seeing you share this Build on OpenBuilds.
        http://openbuildspartstore.com/c-beam-linear-actuator-bundle/
        Apr 18, 2016
        Daniel gomez likes this.
      2. Daniel gomez
        Daniel gomez
        and what about the delivery, I am in Cairo Egypt
        Apr 19, 2016
    24. jrclarke
      jrclarke
      Mark...
      Thanks so much. I'm getting one on order right away!!
      1. Mark Carew likes this.
    25. jrclarke
      jrclarke
      Mark...In your c-beam video you mentioned a 1/8 inch collet for the Bosch Colt...I have looked all over, and have had no luck finding one. Can you point me in the right direction, please? Thanks, Jack Clarke
      1. Mark Carew
        Mark Carew
        Apr 12, 2016
    26. BobAd
      BobAd
      Hi Mark still no go. I plug the usb cable in open panel the lower left window shows jines of info.
      But no Grbl 0.9i ['$' for help] showing its ready? It would be nice to show clips of what to do.
      again need help??

      bob
      1. Mark Carew
        Mark Carew
        Apr 6, 2016
    27. BobAd
      BobAd
      Hi Mark
      I got a X-Pro driver board from you guys. Using Grbl Panel when I try to change the settings in the x,y,z stepper it won't save the settings. 1-2-3-etc clicks to save it to the board. Since I got no ideal what settings to use on the P3 printer. Some of the times it saves the new settings, but most of the times NO tied many times?? The same with the other settings.
      1. Mark Carew
        Mark Carew
        Hello Bob, I know what you mean its tricky and at first I went in circles with that one :) According to the grbl panel wiki on how to save the setting to the card "You can change settings by clicking on a Value, altering the value and then double-click to send the value to Grbl." found here - https://github.com/gerritv/Grbl-Panel/wiki/Settings
        Hope this helps got you back on track with your Build Bob
        Apr 4, 2016
    28. dakman
      dakman
      I'd like to be able to route out on a full 4x8 sheet of drywall... anyone build a unit that big? if so, please contact me...thanks!
      1. Mark Carew
        Mark Carew
        @dakman you should ask this in the forum maybe under the general section so that the community can respond. You can always connect V-Slot end to end for longer lengths.
        Apr 1, 2016
    29. Bill Raines
      Bill Raines
      Mark,
      I tried to upload my parts list to the "wish" list, ", it does not allow me to open it and add to my list.
      Soooooooo........

      Following is my parts list,
      1. Mark Carew
        Mark Carew
        Hello Bill, Please contact the Part Store - [email protected] They will be happy to help with your order and freight charges. Hope this helps and Thank you
        Mar 22, 2016
    30. JFAirplane
      JFAirplane
      1. Mark Carew
        Mark Carew
        Hi @JFAirplane I would recommend going with the steel track and the Steel V Wheels if your design calls for the outside track concept. But as you can see from all the builds here you can also build your machine using the Solid V Wheels and get the same results. So really is its a matter of design preference.
        Mar 17, 2016
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