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This is a Party Political Boardcast

Video | Posted on April 22, 2017 by spapasavva

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This entry was posted in Artefacts, Picture Framing, Studio and tagged Hanging, Party, Political. Bookmark the permalink.

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← Installing bCNC on Windows 10 64bit (Python 2.7.13 and Pyserial 3.3)

CB CNC Part 17 – Wiring Relay Module To CNC Controller →

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

Done a little more on the Duet controller today. I wired the frequency drive to the spindle, and got it turning although I had to use a jumper cable on the spindle enable (forward) terminal and digital ground. The RPM of the spindle also noticeably oscillates at certain speeds - which is a problem, and probably due to the generic PWM to 0-10v analogue converter I'm using. There doesn't seem to be a way of limiting the PWM signal voltage directly from the duet itself so these converters are needed. The duet really isn't designed for CNC use, but it's got so much potential. I just hope I don't get bored. The coil thing are the wires to the spindle wrapped around a couple ferrite cores - which act like an EMI filter. #CNC #BoredOfCNC #NeedToFinishSoon #DIYcnc #DuetWifi #Duet2 #CNCcontroller #Workshop #Studio #Automation #Spindle

What's behind the painted masking tape? You'll never guess... #MaskingTapeSuprise #Emulsion #Paint #ArtSchool #BrilliantWit #ArtSchoolProblems #ArtVsElectricity #StudentVsWall

Before nesting. And after nesting. #Nesting #DXF #Vector #VectorArt #LineDrawing

Here's another one from the weekend, where I started to transfer the electronics into the 600*400*200 ABS enclosure. 240v AC power comes in at the top, and goes via the NVR switch to the frequency drive and RFI filter. On the other side of the RFI filter is the 24v PSU. The 24v DC power goes to a barrier block where it is broken out to the Duet 2 WiFi controller, relay modules, PWM to analogue converter, and inputs barrier block. Still have a couple things to do including rewiring the limit switches and a small 12v PSU for some additional cooling fans. I want to also add some programmable buttons, but haven't decided whether to put those on the enclosure door or a separate console closer to the machine. #SoMuchToDo #Progress #DIYcnc #Duet2 #Duet3D #Electronics #LearnCNC

Redesigned the Y and FK12 End plates to utilise those M12 barrel type proximity sensors. I'm using two homing sensor for either stepper motor which drives the Y axis - and the fine adjustment of the barrel type will make squaring the Y axis to the X axis a lot easier. This is a feature I've coded into the #Duet2 controller. #CNC #DesktopCNC #Workshop #CNCrouter #Tools #SFU1605 #Ballscrews #ProximitySensor #Duet2Wifi #Gcode #MachineTool #Valchromat

Made some more progress this afternoon. Finally got my head around the m208 axis limits - sort off. The machine homes towards the rear and right, along the X and Y axes, but those sensors reference the maximum axis limits - so on this machine it's 510 and 740. The origins position isn't at the same location as the homing points - which confused me for ages. I did try editing the homing macros to seek in the opposite direction, but couldn't specifying the minium as the action. In the end I decided to get rid of the parallel proximity sensor with hard-stops, and trust in the software. May the algorithms protecte and this CNC machine. I also cut my first job - a slot for the stationary probes wires. Had to use the old controller to manually control the spindle but it worked. Still a few thing to clarify and get my head around. #DIYcnc #CNC #DesktooCNC #Router #Duet3D #DuetWifi #Reprap #Valchromat #Workshop #WhoWantsToBuyMyOldCNC

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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