Résumé :
|
"Controller Redesign So-called “pendants” are used by most CNC milling machine operators to make manual adjustments. In this article, Brian discusses his project, building a comprehensive CNC pendant around a new rotary encoder. The pendant supports the Mach3 CNC controller software program. Topics Discussed How to build a comprehensive CNC pendant around a new rotary encoderHow to build a pendant supports the Mach3 CNC controller software program. How to define the CNC pendant's functionalityHow to integrated the TFT screenHow to do the USB HID keyboard emulationHow to design the circuitryHow to develop the software Tech Used Rotary encoder/dial assemblyPC running Mach3PJRC’s Teensy 3.2 microcontroller (MCU) moduleSmall TFT screenMicrochip (formerly Atmel) ATMega32U4 MCUArduino IDE softwarePJRC's Teensyduino add-on, Just before retiring 10 years ago, I built a homebrew CNC (computer numerical control) router for my workshop. I’d been lucky enough to have access to a machine shop, and was friends with the machinist while employed at Dalhousie University. I knew I was going to continue designing various projects, and wanted to be able to do my own machining for cabinets and other work. Figure 1 shows the mechanical part of that CNC machine—milling out the front panel for the project that was the subject of my last column “A Digital Amplifier for TVs” (Circuit Cellar 372, July 2021) [1]. Figure 1 The homemade CNC router that I built about 10 years ago." (Extrait de Circuit Cellar n°374)
|