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16 Apr 2023 11:38:09 UTC
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A look at the G-EDM ( mostly printed EDM electrical discharge machine )
The G-EDM is a single axis sinker EDM that uses 3D printed parts where it is possible.
It runs on a single ESP32 microcontroller and will be converted to a full 3 axis EDM CNC soon.
It enables you to cut and drill even the hardest metals at home without the need to buy industrial grade tools.
It supports voltages from as low as 30v up to 60v. With a tiny change it is possible to use higher voltages too. But this change reduces the bottom end of the voltage range. In theory it can handle 100v or even 200v by just changing a small resistor.
It supports up to 70khz PWM frequencies and the whole concept is highly modular and customizable.
It runs on a single ESP32 microcontroller and will be converted to a full 3 axis EDM CNC soon.
It enables you to cut and drill even the hardest metals at home without the need to buy industrial grade tools.
It supports voltages from as low as 30v up to 60v. With a tiny change it is possible to use higher voltages too. But this change reduces the bottom end of the voltage range. In theory it can handle 100v or even 200v by just changing a small resistor.
It supports up to 70khz PWM frequencies and the whole concept is highly modular and customizable.
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video/mp4
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Controlling
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WIRI
gedm-control-panel-wiring
Kickstarter! https://www.kickstarter.com/projects/g-edm/the-g-edm-mostly-printed-electrical-discharge-machine
Follow the project on hackaday: https://hackaday.io/project/190371-g-edm
A quick timelapse (4x speed) through the build process of the control panel.
This version has the limit switch connectors and the stepper connectors on the back of the box and the power for the stepper motors is now provided from a small adjustable 12v switching PSU that is mounted inside the 19" spark generator enclosure.
Less wires and a cleaner look.
The PCBs used in this video are homemade prototypes. Created with UV exposed photoresist foil and etchant. Also I was out of 80mm fans. So this video is missing the fan for now.
Music:
Titel: Late Night Acid Jazz [Copyright Free]
Author: Slip.stream
Titel: Acid Jazz (copyright free)
Author: music copyright free
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English