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Question #: 4707

Question: Can bits with shank length of 1" be used in the 1/8" ER20 collet?

Current Solution

If this endmill/bit has a shaft of 1", plus the cut length the ER-20 collets we provide will work without any issues.

If the shank goes into the 1/8" ER20-collet at least .773 (safety margin), it will work without any problems. (This is only for the 1/8" ER20-collet)

Respond:

Other Possible Solutions to this Question

  • Can the 2.2 KW water cooled spindle be fitted with a 1/2" chuck/collet ?

    Absolutely. You can have 1/2" collets used in 2.2kW spindles.

    Here is a link for the ER-20 1/2"ID Collet:
    https://www.buildyourcnc.com/item/spindle-collet-!5-er20-spindle-collet

    Click the link to respond:
    Can the 2.2 KW water cooled spindle be fitted with a 1/2" chuck/collet ?

  • WHAT SOFTWARE CAN BE USED WITH THE BLACKTOOTH LASER CUTTER?

    If you take the standard parallel cable BoB (Break Out Board), then you will need control software (Mach 3 or EMC2) and CAM software to make your G-Code (such as CamBam). Personally I use CamBam and Mach 3, they work beautifully but don't expect to turn them on and know how they work out of the box. Give yourself a few weeks to get familiar with the basics. CamBam is VERY powerful software for it's price. I'm surprised how much I keep learning on what I can do with it...I highly recommend it if you want as much control as possible.

    Mach 3 + CamBam as a bundle costs $310. EMC2 will give you a free replacement for Mach 3 and is exclusively for Linux.

    If you use the USB BoB, it will cost an extra $75 + $75 for the software. This is an all-in-one package so no need for Mach 3 or CamBam.

    For etching rasters (jpeg, bmp, tiff, non-vectors, photos), I highly recommend PicEngrave. It has been a labor of love for the past 9 years and John has done a wonderful job with it. It easily compares in quality compared to software that is in the $200-$300 range. John's software runs $40 and can be found here: http://picengrave.com/ (don't let the modest website fool you, this stuff can do amazing things). DotG and the Mach3 engrave plugin are two other options and instructions can be found on Dustans page in the gallery on buildyourcnc.com website.

    Click the link to respond:
    WHAT SOFTWARE CAN BE USED WITH THE BLACKTOOTH LASER CUTTER?

  • WHAT SOFTWARE CAN BE USED WITH THE BLACKTOOTH LASER CUTTER?

    I would say mechanically, between the official build instructions, Warren's awesome blog (http://blacktoothlaser.blogspot.com/) and the tips in the forum, the blackTooth is a really simple build. The challenges come with electronics and software. There's a number of different ways to drive the laser and motors. A decent understanding of electronics and computers is a must.

    Click the link to respond:
    WHAT SOFTWARE CAN BE USED WITH THE BLACKTOOTH LASER CUTTER?

  • 2.2kW Spindle with 110V Inverter, can I get a collet for 1/2 router bits for this spindle

    Absolutely. You can have 1/2" collets used in 2.2kW spindles.

    Here is a link for the ER-20 1/2"ID Collet:
    https://www.buildyourcnc.com/item/spindle-collet-!5-er20-spindle-collet

    Click the link to respond:
    2.2kW Spindle with 110V Inverter, can I get a collet for 1/2 router bits for this spindle

  • Can the USB CNC Controller be used with LinuxCNC?

    The USB Interface can only be used with the Planet-CNC software which runs under the windows operating system.

    Click the link to respond:
    Can the USB CNC Controller be used with LinuxCNC?

  • WHAT LENGTH OF MOTOR CABLE SHOULD BE USED WTIH THE BLUECHICK V4.2

    The recommended total length of motor cable should be 15 feet for the blueChick v4.2

    Z - 6 feet
    Y - 5 feet
    X- 4 feet

    20 AWG 4 conductor

    If your drivers will be positioned farther from the machine, you may need longer cable.

    Click the link to respond:
    WHAT LENGTH OF MOTOR CABLE SHOULD BE USED WTIH THE BLUECHICK V4.2

  • Can the 4x8 blackfoot be outfitted with some type of reference pins?

    Our CNC Routers can be outfitted with other devices and configured in so many ways. However, I'm not familiar with reference pins. Are you referring to input for feedback?

    Customer response:
    Looking to add something like this:

    https://youtu.be/J7kcXfn0HKk

    Does the Blackfoot have a preset x and y home point so pop up pins will be accurate?

    Buildyourcnc response:
    Oh yeah. You can easily add those types of pins to any of out machines. You can even use pins for registration as well so you can machine two sides of your work-piece so the design matches.

    Click the link to respond:
    Can the 4x8 blackfoot be outfitted with some type of reference pins?

  • Is there a recommended cooling system for purchase that can be used with your 2.2 kW water cooled spindles?

    A standard water pump like this one will work: https://www.buildyourcnc.com/item/pneumatic-hydraulic-water-pump-370-Gallons-Per-Hour-220v-110v

    You will also need silicone tubing at 1/4" ID and 3/8" OD to connect from the pump to the spindle: https://www.buildyourcnc.com/Item/pneumatic-hydraulic-silicone-tubing

    And a bucket to hold the water.

    You may also consider CPU cooling systems which can actually be fastened to the back of the gantry. We do this for the Fabricator Pro machine. The CPU cooling I would recommend is a small pump and cylinder with a heat sink, or a small radiator.

    Click the link to respond:
    Is there a recommended cooling system for purchase that can be used with your 2.2 kW water cooled spindles?

  • Can a CO2 CNC laser machine be used for welding of thermoplastic materials?

    That is a good question. We have not tried to weld thermoplastics using our CO2 Lasers. It is possible since the laser outputs a heat source and at the right intensity and speed, the thermoplastic can be heated and melted rather than instantaneously vaporized and off gassed. I have done research to see if CO2 laser can weld thermoplastics with positive results.

    Our CO2 lasers are typical of other laser cutters on the market, so if their literature, or examples you have found, successfully weld thermoplastics, then ours will probably be able to as well.

    In some cutting test with different speeds and intensities, the kerf has welded back together; however, this was caused by an unintentional process rather than an intentional one.

    Click the link to respond:
    Can a CO2 CNC laser machine be used for welding of thermoplastic materials?

  • Is the 2.2kW spindle available in an ER20 collet option?

    the 2.2kW spindle uses the ER20 collet by default. The ER20 collets can accept shanks as small as about 1mm all the way up to 9/16 inches or 13mm.

    Click the link to respond:
    Is the 2.2kW spindle available in an ER20 collet option?

  • How would LinuxCNC be used with the vertical laser?

    It is possible to use LinuxCNC for laser cutters and engravers but not advisable. The efficiency and control with traditional CNC control programs cannot match that of Laser controllers. This is because laser controllers are very good at matching speed with power, especially with raster image burning. Moreover, controlling the laser tube while cutting and engraving is very built in with gcode. Special software can be used, but the processing and execution is not efficient.

    Laser controllers and associated software have matured well and can do cutting and engraving very well and is worth the extra expense.

    If you are still interested in getting LinuxCNC to work with the laser, let me know and we can discuss this in great detail on this FAQ.

    Additional Information:
    A better question might be "What are some good ways to control the vertical laser directly from a Linux machine without having to hop through Windows?" Let me know if you want me to post this as a separate question.

    If I were buying the blacktooth, I'd order the parallel port board for it and skip the anywells controller -- I notice that you don't show that as an option on the vertical, which is what's generating this question.

    Some background: All of our CAD/CAM is done in Linux (openscad, freecad, librecad, cadquery, blender, pycam, python gcode generators...), we use git and Makefiles and other automation scripts extensively, and we need to be able to avoid doing the double-hop from Linux via Windows to get files sent to the laser.

    An example use case is that of being able to say 'make' in a project's directory on any Linux machine on the network to ship the file to the laser, including power settings etc. Needing to ship it to Windows first, and then manually mouse around to set power etc. is what I want to avoid.

    With Epilogs, I used to always bypass the Windows/Coreldraw toolchain by using Gershenfeld's cam.py, sending PCL from Linux straight to the Epilog.

    Something equivalent to that -- being able to run a script in Linux to convert and ship the file straight to the laser -- is what I'm planning to do here. I mentioned LinuxCNC because it's what I'm already using for our mill, and I'm comfortable hacking on it. I'm not wedded to LinuxCNC for a laser, but I am looking for open-source flexibility and future-proofing.

    We don't even have any Windows machines any more -- we got rid of the last of them years ago, and I'd like to avoid going back.

    Additional Information:
    I've split the more general Linux use case out as a separate question at https://buildyourcnc.com/FAQ/13989

    Additional Information:
    Starting to find some answers -- forums have a thread which addresses some LinuxCNC questions at http://www.buildyourtools.com/phpBB3/viewtopic.php?f=8&t=3452 for instance.

    Additional Information:
    Example LinuxCNC config for the buildlog 2.X laser is at https://github.com/jv4779/2x_laser

    Additional Information:
    I'm going to need some time to digest this information. Curious, are you able to develop a program to change the g-code if need be? Will you be doing vector style cutting operations only? If so, the process may be pretty straight forward.

    Additional Information:
    Before we adapted the blackTooth laser to use the laser controller, we operated the machine using Mach3 and the z-axis direction signal was the chief mechanism to fire the laser (down=on, up=off). It worked like a charm. It would be better to use one of the output triggers to do this for safer operation; however.

    Additional Information:
    Blacktooth adaptation of the above buildlog config can be found at http://www.buildyourtools.com/phpBB3/viewtopic.php?p=18157#p18157

    Additional Information:
    Answering the earlier comment (is that you Patrick?) -- yes, we'd be doing vector primarily, though my wife (and CEO) is salivating over the potential for raster. I've got no problem writing a python script to massage gcode if that's what it would take to make things work. CAM is always a problem on Linux but I've been using a mix of things to generate gcode for milling (including just writing it by hand), and can get by as needed. Expect to spend this weekend looking around to see what others are doing.

    Additional Information:
    Yes. This isn’t Patrick. I manage the Customer Service section. I will try my best to help with this over the weekend and balance family time. Haha.

    I will check the links. If raster is a must, you can have two controllers controlling the machine using tri-state gates to the drivers. I did this for a customer a while ago to run CNC and laser with an external switch. You could use an external switch to switch between LinuxCNC operation and laser controller.

    Additional Information:
    This is Patrick. Auto correct on my phone turned the "is" to "isn't". Ha!

    Additional Information:
    The buildyourtools links doesn't really have much to do with LinuxCNC and the buildyourtools information on that thread (by MUK) implements a very similar configuration that I introduced when I first started selling the blackTooth (with the parallel control board). That style of configuration may work well with a LinuxCNC scenario.

    I would rather jump-in cold with the LinuxCNC solution and see if we can address each step. What CAM program will you be using? I ask this question because that program may have the ability to inject g-code at specific points where we can turn on and off the laser.

    Also, I'm going to merge the two FAQs once we pick the one we use the most often to figure this out. I'm also more comfortable using this Customer Service system to address the question for many reasons, one of which is I can tie these questions to the products directly to benefit many others.

    Additional Information:
    For laser CAM on Linux we have used cam.py in the past; it's just a python script, so modifying the gcode it generates is easy.

    I think we've reached a purchase decision; your responsiveness here has helped a lot with that, Patrick. It looks to me like we're going to be able to make this thing work, one way or another.

    Click the link to respond:
    How would LinuxCNC be used with the vertical laser?

  • how do I order multiple lengths of HIWIN guide rail with blocks?

    Select the desired rail here:
    https://buildyourcnc.com/Item/mechanical-rails-HIWIN-Linear

    On the product page, enter the total "cut to order" length (in inches). Then call us to specify the cut lengths. Remember that our maximum length is 2000mm or 78.74 inches.

    Our phone number is located at the top right of each web page by hovering over the "Need Help?".

    Click the link to respond:
    how do I order multiple lengths of HIWIN guide rail with blocks?

  • What collet size comes with the 2.2kw spindle?

    All of our spindles come standard with a 1/4" collet. The 2.2kw, and 4.0kw, can be upgraded to a 1/2" collet with a separate purchase.

    Click the link to respond:
    What collet size comes with the 2.2kw spindle?

  • Can any of your CNC kits be adapted to work with a manual wood lathe?

    It's best to design a machine specifically for a lathe rather than adapting an existing machine kit to an existing lathe. If you are interested in us designing a machine like this, let us know.

    Click the link to respond:
    Can any of your CNC kits be adapted to work with a manual wood lathe?

  • Is the 4kv spindle constructed using two or four bearings and what size collets are included with the spindle/vfd combo?

    Yes, all of the spindles come with collets. The collets have a 1/4" (6.35mm) bore for end mills that have a 1/4" shank. The ER specification is different for the 1.5kW (ER-11) and the 2.2kW (ER-20).

    Click the link to respond:
    Is the 4kv spindle constructed using two or four bearings and what size collets are included with the spindle/vfd combo?

  • How do I specify multiple quantities of custom cut lengths of the linear bearing guide?

    Purchase the total length of the product that interests you (i.e. the linear bearing guide) and call us to inform us how you would like it cut. The phone number is located at the top right of each web page by hovering over the "Need Help?" message.

    Click the link to respond:
    How do I specify multiple quantities of custom cut lengths of the linear bearing guide?

  • I just purchased the 2.2 kW water cooled spindle. I also ordered a 1/8" collet to go with it, since I assume it comes with a 1/4" collet. Is this correct?

    Spindle comes with 1/4" collet.

    "All of our spindles come standard with a 1/4" collet. The 2.2kw, and 4.0kw, can be upgraded to a 1/2" collet with a separate purchase"

    Click the link to respond:
    I just purchased the 2.2 kW water cooled spindle. I also ordered a 1/8" collet to go with it, since I assume it comes with a 1/4" collet. Is this correct?

  • Can other types of laser tubes work with the controller you are selling, for example, the 80W Reci tube?

    Yes, other CO2 laser tubes will work fine with our laser controller (including the Reci tube). Our laser controller is a digital based controller that controls the laser tube power supply, the motor drivers and other peripherals by outputting digital signals to these devices.

    Laser controller URL:
    https://www.buildyourcnc.com/item/Laser-Component-Laser-Control-System

    Click the link to respond:
    Can other types of laser tubes work with the controller you are selling, for example, the 80W Reci tube?

  • Can I increase the travel speed of my machine with different lead screws?

    Changing your lead screws from a tight to a lose lead will definitely make your machine move faster as long as your stepper motors can handle the new torque that the lead screws will impose.

    Here is an example of a speed change from one lead screw to another:
    - Existing constants in the example: Stepper Motor steps 200, microstepping 1/8 making the total steps 200 * 8 = 1600.
    - Old lead screw: 1/2" allthread = 13 threads per inch (UNC)
    - New Lead Screw: 1/2" 5 starts, 10 TPI = 10 / 5 = 2 turns per inch

    Old lead screw would achieve a steps per inch of:
    1600 / (1 inch / 13 turns) = 20,800 steps per inch (You can also express the calculation as 1600 * 13 = 20,800 steps/inch)

    New lead screw would achieve a steps per inch of:
    1600 / (1 inch / 2 turns) = 3200 steps per inch

    You can see that the new lead screw requires far fewer steps to get to the same length of travel. If you maintained the same velocity for both examples, the new lead screw would travel the same distance 13/2 = 6.5 times faster. So, if your velocity was say 10 ipm, your new velocity would be 65 ipm. That would translate to far fewer burned edges and longer end mill life!

    Just remember, confirm that your motors will be able to handle the new lead screw. You will need to reduce the steps/inch causing the motor torque to increase quite a bit, so you should be fine.

    Click the link to respond:
    Can I increase the travel speed of my machine with different lead screws?

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