Toy truck – a beginner’s CNC project

While Paul was focussing on desigining and delivering the Super Gerbil CNC kickstarter project, I was helping with the testing. Rather than using simple test shapes, I tackled something a little more complex to help avoid boredom !  The result was a toy truck as a beginner’s CNC project. Actually, being made from acrylic, it’s […]

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Buy K40 laser cutter upgrades, CNC controllers and more online

Buy laser cutter upgrades easily in our new store SuperGerbil.com.  It sells all our products in a standard shopping cart format, so it’s easy to use.  We’ve included local and international shipping in the product price, because that’s what you like. And don’t worry, we’ll continue to blog and hold the K40 forum on Awesome.Tech […]

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Super Gerbil CNC Controller Accuracy Testing

We machined this acrylic disc as a simple initial test. Time to test Super Gerbil CNC controller accuracy. Using Fusion 360, we designed and machined a simple 25.00mm disc from clear 4.4mm acrylic. Dimensions of Sample Circle After that, we measured with grandfather’s old micrometer and my verniers. Grandfather’s micrometer is handy for measuring our […]

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Super Gerbil CNC Controller Testing

A part of our upcoming toy truck, used as a demonstration of Super Gerbil CNC controller It’s testing time for the Super Gerbil CNC Controller pre-production units! We put them through their paces with a testing regime that’s included a wide range of activities: Installation – technically correct and user-friendlyConfiguration – technically correct and user-friendlyAll the basic […]

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Nomad 883 CNC mill upgrade – controller and 4th axis

Let’s be 100% clear, I love my Nomad 883 CNC mill, it got me started with CNC.  Now, I’d like to take it further by adding a 4th axis, however this is tricky as the Nomad’s controller, and standard grbl, doesn’t support it.  Fortunately, Paul’s developed a brand new ‘Super Gerbil’ 5 axis CNC controller (now […]

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The 3020 / 6040 CNC mill 1 day upgrade challenge

The 3020, 3040, 6040 and 6090 are low cost no-brand CNC mills that come in various 3 or 4 axis versions, but suffer from underpowered electronics and poor software.  So we’ve created the Super Gerbil controller as a high quality upgrade to the electronics and software tool chain.  For a bit of fun, we’ve challenged ourselves […]

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PPA Calibration

PPA calibration refers to discovering and setting tuning factors for electromagnet timing. It is performed to: While the default calibration figures usually work well, in some cases, the default tuning factors need to be changed to get reliable rotation on your PPA, and/or Achieving highest possible speed operation of the PPA Finding the best tuning […]

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PPA – debugging

You’ve turned on your Personal Particle Accelerator, but aren’t getting the results you want ?  First, try the basic checklist: Completed the construction, Read the safety advice Performed the commissioning tests Attempted starting the PPA ok, here’s the next level of detail: The ball rolls to a stop, apparently unaffected by the electromagnets: Confirm the second-from-the-end LED […]

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