Recently, Tropical Labs from the Electrical and Mechanical Systems Laboratory in Washington, DC, launched a crowdfunding campaign on the well-known crowdfunding platform Kickstarter. Its crowdfunding goal is an open source industrial-grade servo motor developed by itself. It can be used in 3D printers or other machines, or it can directly replace NEMA 17 stepper motors and their drives.
According to Tropical Labs, Mechaduino's biggest feature is the realization of "Arduino's mechatronics", which brings economic closed-loop motion control to the new generation of 3D printers and CNC. According to the R&D team, this device can be used as a motion control platform for custom servo system or as a servo motor for 3D printers and CNC.
Servo motors are used in a wide range of applications in robotics, CNC, 3D printing and other fields. Because it is cheap and simple, and can precisely control the movement of moving parts, it is enough to meet the needs of many consumer products. However, in the industrial field, due to the higher precision requirements, industrial-grade servos that can support advanced motion control methods are often used. Unfortunately, industrial servo systems are often very expensive. The purpose of Tropical Labs' launch of the open source Mechaduino is to pull the industrial-grade servo system into the mortal world. The development team used high-cost production of low-cost stepper motors with 14b encoder feedback to achieve high resolution.
It is reported that the origin of Mechaduino is a member of Tropical Labs because of its own needs to find a servo motor that is both economical and high performance. As they were not found, these technologists began to develop their own servo systems, and the development process was simultaneously released on the open source hardware website Hackaday, which gathered a lot of fans. As the popularity of this project is getting higher and higher, the development team's ambitions are also expanding, and new targets are set for the development of this new servo, including anti-blocking capability, PID auto-tuning, and adjustment of commutation profiles. . Finally, on the request of fans on Hackaday, the team decided to launch crowdfunding on Kickstarter and soon exceeded its crowdfunding goals.
It is reported that the development team has tested Mechaduino as a direct replacement for stepper motors and their drives on RepRap i3 3D printers. “The closed-loop motor runs more efficiently because it only needs to apply the required torque to track the position command.†The development team said: “The stepper motor must apply its maximum torque at all times. This means that the closed-loop motor is not easy. Overheating can be applied to higher peak torques."
Tropical Labs' crowdfunding will be as of July 21, 2016. The Mechaduino PCB's crowdfunding price is $45 and the servo crowdfunding price is $60. If the order is large, you can get a discount. It is estimated that the delivery date for all orders is September 2016.
(Compiled from 3Ders.org)
(Editor)
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