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There are many other home style open source 3d printer filament extruders available online. Some of which include: | There are many other home style open source 3d printer filament extruders available online. Some of which include: | ||
* Lyman/Mulier - [ | * Lyman/Mulier - [https://www.thingiverse.com/thing:380987] | ||
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Arduino libraries | Arduino libraries | ||
* LiquidCrystal | * LiquidCrystal | ||
* | * AccelStepper | ||
* | * PID_v1 | ||
The Mulier filament diameter sensor [link] | The Mulier filament diameter sensor [link] | ||
Revision as of 18:43, 14 December 2016
DESIGN NOT FULLY FUNCTIONAL
Recyclebot V5.0 3d printer filament extruder is under development by Michigan Tech's Open Source Hardware Enterprise. Currently, the extruder operates and can extrude filament on manual mode, and thus we strive to have a fully automatic version released early 2017. Within the automatic version, all electronics will be extremely simplified to a plug and play type incorporating an Arduino Mega with dedicated shield, and all other electronics will plug directly into an electronics box - thus simplifying construction and reducing costs. The user interface will be a clickable rotary encoder, with a 20x4 LCD display. After the remainder of the desired functionality is developed, the design and construction will be simplified. This final version of the extruder will be titled Recyclebot V5.1. This piece of equipment was developed to be fully functional with recycled plastic granulated by the new version of the plastic granulator, developed by the MTU OSHE, due for release spring 2017.
Previous Research
The main motivation for our changes and design of our extruder circles around the fact that material characteristics of the recycled plastic are very different from raw plastic pellets. We wanted to have increased control over filament extrusion rates, puller and winder rates and capacity, leading to a self adjusting machine based on the filament characteristics (which differs from previous recyclebot technologies). The layout of the machine is loosely based on industrial extruder designs, possessing all of the same functionalities, along with previous Recyclebot versions. We have designed the system such that we can control every aspect of the system to varying degrees, to test and develop the ideal system to be released as Recyclebot V5.1. In addition to this, we are taking steps to ensure ease of use when it comes to system construction. The general material and control of the system is similar to that of a 3d printer - please see BOM below.
There are many other home style open source 3d printer filament extruders available online. Some of which include:
- Lyman/Mulier - [1]
The open source elements of this design include the libraries used for arduino control: Arduino libraries
- LiquidCrystal
- AccelStepper
- PID_v1
The Mulier filament diameter sensor [link]
Project goals
The main goal of this project is to be able to make a robust, self correcting filament extruder to be used to work with any filament or recycled plastic-type feedstock into the system.
In addition to this, here are the following goals placed into the design functionality:
- Goals into current design
- Create a renewed version of the Recyclebot that encapsulated the entire system, including extuder, cooling section, diameter sensing and control, automatic winding, and system manufacturing rates.
- Control over functionality of individual system components and user interface design.
- Significant price and skill requirements for construction as compared to previously Recyclebot versions.
- A baseline representation of functionality of the ideal system. It is very easy to make the changes that we would like, now that all of the building blocks are complete.
- Goals into Recyclebot V5.1
- Fully automatic filament extrusion, including rate, diameter, and plastic type control.
- Water bath cooling section (if necessary, to obtain high manufacturing rates and precise diameter control).
- Ease of use for construction. Well documented directions that anyone could follow to build and operate our system.
- A profitable business model for both selling extrusion systems and printer filament.
Design
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