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CNC QB2 User Manual

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QB2 CNC
User guide
Safety precautions
Like any power tool, operating and using a CNC machine can be dangerous. Diligence must be applied when operating
any machine. It is recommended to wear appropriate PPE such as eye protection and ear muffs for your own safety.
NEVER leave a powered machine unattended at any time!
In the event of an issue or if something doesn't seem right, it is recommended to immediately disconnect power to
the machine and unplug it from the wall power outlet. Contact our customer support team if you have any concerns
about your machine.
Always ensure your machine is free and clear of any swarf, dust or other obstructions that may impact the motion of
your machine. We highly recommend the use of a Dust shoe and vacuum system for keeping your machine clean and
clear of swarf and dust.
Always ensure to follow the maintenance guide at the bottom of this manual after initial assembly and setup and also
periodically to ensure your machine always performs to its optimal capacity.
Page 1

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Summary of Contents for CNC QB2

  • Page 1 Safety precautions Like any power tool, operating and using a CNC machine can be dangerous. Diligence must be applied when operating any machine. It is recommended to wear appropriate PPE such as eye protection and ear muffs for your own safety.
  • Page 2 Unboxing your Machine and setup 1. Look for the screws on the crate that have purple paint on them. Use a Philips head screw driver or impact driver bit to unscrew the main crate packaging. Once unscrewed, get a friend to help you carefully lift the crate cover off. This will expose the machine and components underneath.
  • Page 3 3. Now that we have everything loose it is a good idea to get a friend or 3 to help move your machine on to your table/bench. Be very careful to avoid skewing the machine while transporting it and under no circumstances should you ever grab the ballscrews. Always ensure the ballscrews are protected to avoid bending them.
  • Page 4 Things to check before powering on! We’re almost there! It’s important to do some quick checks to ensure your machine is ready to go. Sometimes in transport, things can wiggle loose. Here are some things to check. ❖ Check all nuts and bolts on the machine. ❖...

  • Page 5: Machine Settings

    PLEASE NOTE Some key things with the QB2 Machine settings Our trained team preconfigure every aspect of your machine prior to it being sent to you. You do not need to change any settings in your controller and definitely DO NOT load any profiles onto your machine within the Profiles tab of our Commander software.
  • Page 6 When using the spoil board surfacing wizard in Commander, we have preconfigured some values that suit the QB2 CNC design. It is recommended to keep most of the settings but to change the “Width (X)” and “Length (Y)” values to match your machine. Once you have entered these values, you can save this job by clicking the “Generate”...
  • Page 7 Once homed, loosen off your collet nut on your spindle and insert a 6mm collet and the 22mm surfacing bit provided with your QB2 CNC. Please ensure the surfacing bit is inserted quite high into the collet but not all the way in. Once in, tighten the collet nut up.
  • Page 8 Using the jogging buttons in Commander, put a piece of scrap paper under the surfacing bit and lower the Z down until it is just touching the paper. Ensure to reduce your downward travel distance as you get closer to the surface to ensure the machine does not crash into the spoil board.
  • Page 9 Back in our Commander software, Click the “Zero job” button. Then click on Load Job and select the file you saved out of the surfacing wizard. Once loaded, hit the green run button on your VFD and wait until the spindle is up to speed. Once at speed, turn on your vacuum extraction (if attached) and hit the ‘Run Job’...
  • Page 10 This will start the process of surfacing your spoil board. It may take a long time to complete this process. If something doesn’t seem right then immediately hit the E-stop button on your control box or via our Commander software. Note: Using the E-stop on your Nighthawk controller or via our Commander software will only stop your machine moving but will not stop your spindle.
  • Page 11 Tramming your spindle You may notice after surfacing you have some ridges in your spoil board. This is due to the spindle needing some minor adjustments to be truly “flat” with your spoil board. During assembly of your machine our team align your spindle and bracket using engineering squares.
  • Page 12 Tramming Side to side Your Z axis plate has 4 bolts that hold it to your X axis plate. These bolts can be loosened off to allow you to tilt the angle of your spindle for tramming. There is a centre locating pin between these plates to make this process easy.
  • Page 13 Tramming Front to back As time goes on, we here at CNC3D like to innovate and improve on our machine designs to make things like tramming your spindle an easier and user-friendly process. One of these improvements is the addition of a “shoulder bolt” on the big Y-axis plates. There will be some machines that have these bolts and some that do not so ensure you are following the correct tramming procedure for your machine.
  • Page 14 Repeat this process on the other side of the machine in the exact same pattern as the first side. This will allow us to “twist” the gantry front to back. Make slight adjustments at a time to both sides and re-secure the BLUE bolt first, then the YELLOW...
  • Page 15 If your gantry has NO shoulder bolt If you need to adjust your tramming front to back then we need to look at adjusting the gantry angle. To do this, we first need to loosen off the 2 bolts that secure your ball screw. These are highlighted below in BLUE.
  • Page 16 Repeat this process on the other side of the machine in the exact same pattern as the original side. This will allow us to “swing” the gantry front to back. Make slight adjustments at a time to both sides and re-secure the bolt first, then the YELLOW, then finally the BLUE bolts.
  • Page 17 Getting started with your laser LASER SAFETY WARNING! Always ensure you are wearing laser safety goggles and other appropriate PPE when using any high-powered lasers. Please ensure the laser is pointing away from people and sensitive materials. Remember when plugging in or unplugging any wiring INCLUDING the laser connector, it is vital to ensure the machine is NOT powered up.
  • Page 18 Raise your spindle high enough so that you can fit the laser to the side of the Right- hand side of your spindle bracket. Use the 2 bolts provided to secure it to the bracket. We always recommend fitting it to the right-hand side so you can still safely home when the laser is attached.
  • Page 19 QB2 CNC Maintenance guide It is recommended to visit this guide immediately after positioning your machine and setting it up. It is also recommended to periodically visit this guide to ensure smooth operation and a long service life of your machine or if something isn’t quite right such as cuts not coming out right or Z axis depth inconsistent 1.
  • Page 20 Page 20...
  • Page 21 3. Checking connectors Before doing any maintenance involving wires including checking connections and screw terminals, make sure to POWER OFF the machine. Not doing so risks causing irreparable damage to the Nighthawk Controller! Check every green connector and its screw terminals with a small flat head screwdriver and ensure they are tight and secure.