GitHUB SOURCE : https://github.com/sphawes/index/
The Index Pick and Place is an open source pick and place machine to aid in Mid-Scale Manufacturing.
This project is under development. It is not currently in a stable state. Development is active and ongoing, but this is not yet a finished design. If you’d like to build one to help find bugs and design issues, please do!
The Index is designed to be low-cost enough that someone could buy or build one to support making production runs at home or as a small business. It runs using OpenPnP. The Index will eventually be able to do multiple parts of the PCBA manufacturing process. It is currently capable of picking parts and placing them, but eventually the Index will support solder paste dispensing and interfacing with other machines, such as a PCB panel hopper and reflow oven.
Along with the Index machine itself, the project also includes feeders designed to work with the Index. Although they were designed with the Index in mind, they can work with any OpenPnP pick and place with a 20mm x 20mm rail for mounting.
The Index’s development process is being cataloged in a series of videos. A playlist of these can be found here.
The Index is controlled with OpenPnP. OpenPnP generates gcode based on PCB design files and sends it over to a custom motherboard running a modified version of Marlin. This handles controlling the motors, pump, limit switches, feeders, etc.
The motherboard communicates with the feeders over RS-485. After the feeder receieves a command from the motherboard, it sends a confirmation or error message back. This is then sent back to OpenPnP. Situations where the feeder would send an error message back would be a tape runout or jam.
If you would like to contribute to the project, awesome! Check out the contributing page to get started.
Building an Index
This is an unfinished design. Builds at this time should be thought of as helping the R&D process, and not for the end result of having a fully operational pick and place.
Many boards in the design are also used in a mechanical way, meaning some specifics of how the boards are ordered matters more than usual.
- Board Thickness: 1.6mm
- Pad Plating: Any
- Silk/Mask: Any
Feeder Indexing Wheel Configuration
- Board Thickness: 1mm
- Pad Plating: ENIG
- Silk/Mask: White/Matte Black
During development of the Index, all parts were printed in PLA. A few parts in particular require quite a high strength if being printed. Of course, every printer runs a bit different, and these are just guidelines to illustrate the necessary strength difference between different parts.
- 3 shells
- 20% infill
- 5 Top/Bottom layers
Gantry Part Settings
- 4 shells
- 30% infill
- 5 Top/Bottom layers
Article Title: The Index is an open source pick and place machine.
This article URL：The Index is an open source pick and place machine.
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