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Savvas Papasavva

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Sneak Peeks of Future Projects / Random Stuff: www.instagram.com/savvas_papasavva

Re-wired the steppers with four pin ATX quick release cables yesterday, and it took me ages. Just kept making mistakes.The worst bit was right at the end everything was moving apart from the X axis, I remover some heat shrink to check the wires, and realising I'd just forgot to tighten the motor coupler to the stepper. Wasn't going to remove the connector to refit the heat shrink so I just used electrical tape to cover that bit. #Lazy #DontCNCwhenYouAreTired. #TheRouternator #ComeWithMeIfYouWantToCNC #Workshop #Wires #Soldering #ATXCable #StepperMotorHead#HandModel

Another one from the weekend, where I started to replace the smaller machine with the one I'm building alongside writing the manual. The controller for this one uses GRBL, which has a new firmware version that auto square the gantry. Unfortunately most GRBL board clone the Y axis signals, and as the steppers drivers are mounted to the controller I won't be able to bypass this and use the feature. I do have a spare Phoenix CNC controller which uses external drivers, but the new setup means you'll loose the spindle direction and coolant pins - which are reassigned to the second Y stepper. Problem is I need the spindle direction to turn the VFD on and off. Oh well. #Duet #GRBL #CNC #DIYcnc #DesktopCNC #Workshop #CNCcontroller #Reprap #OldBoiler

Finally got the spindle to work properly on the larger machine with the Duet 2 WiFi. I'm still using the old RRF2 so it partly involved writing a new post processor for Vectrics. I had to start by disabling extruder heater 0 and using the M42 command to switch the pin manually at the same time as sending the M3 S# (#=some random spindle RPM) command. I couldn't go directly to a relay from the Duet because the pin was being pulled up so I used a PWM to analogue converter as a go between. It feels like a long way of doing it but it worked. Only problem now is the pause and resume don't work as expected as after recommencing from a pause, the spindle doesn't recieve a RPM speed until the next segment in the code - effectively causing the bit to crash into the material. There seems to be a fix but I'm not sure if I have to upgrade to the new RRF3 and I won't have time to try until the weekend when I'm next in. #DIYcnc #CNCrouter #DuetWifi #RelayModule #PWM #Gcode #Workshop #Wires #Electrics #Vectric

A slight deviation from building my luxury communism CNC machine (which is looking sexy as fek today) - to focus on the train wreck which is British politics. I made this collage to remind young people to register to vote, and to try annoy the worst of the baby boomers. People are having their futures gambled away and this election is a rare chance to pull something back - level the playing field, finish off Brexit, and make a bold start in tackling the climate crisis. UK peeps, set your alarm clocks now for election day. https://www.gov.uk/register-to-vote #ImVotingLabour #BritishPolitics #Brexit #Labour #ClimateCrisis #FilthyPieceOfToerag #KipperGate #IsTheDitchReady

Recut and mounted the tool probe to the front of the CNC machine - increasing the cutting capacity. New waste-board size will be 560x720mm on the larger version. It's a little shy of a quarter of a sheet but it'll have to do, and I'll still get some big drawing out if this. Anyway, I need to finish modeling the part in CAD so I can create drawings for the manual. Oh and get matching machine screws. #Mismatch #Red #CNC #DIYcnc #DesktopCNC #TouchProbe #Tool #Workshop #Studio #Valchromat

Sliding the X axis assembly (which is being held in place with the carriage plate while the stepper plate is off having fun) onto the gantry. I'm cobbling together a smaller machine while writing up the manual to help avoid making mistakes - in real life and on paper. It's a really involved process. #CNC #DIYcnc #Carriage #Gantry #DesktopCNC #Tools #Workshop #Studio

3D Printed 3D Printer 3D printing Acetal Aluminium Arduino Art Box C-Beam camera Chopping Board CNC CNC machine Compass Compressor Controller Cutting DIY DIY CNC Dolly Drawers Drill Press Dust Engraving Extraction Fence Fixing Flip Stop Folkish Glass GRBL Guitar Hammer Homemade Insert Inventables Jig Laser Lathe Lead Screw Leadscrew Mitre NfLiXin OpenBuilds Perspex Picture Frame Pillar Drill Plants Plastic plate Probe Push Stick Pyramid Review Router Router Table Sledge Stand Storage Table Table saw Teak Tevo Tool Chest Toy Tripod Upgrade Veneer VFD Wiring Wood Workbench Workshop X Carve Z Axis

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