Commit f7507d5c authored by Jake Read's avatar Jake Read

reorder doc

parent adb58246
# Roller Coaster Gantries
At the CBA, we make a lot of our own tools. These are shared design elements and ideas that we use when we're spinning up custom machines: they're parametric, aim to be reconfigurable, and we can make them in the lab with a minimum set of stock hardware.
The goal is to provide a set of components from which most other automation equipment can be composed.
These are machine design elements that we use at the CBA when we're spinning up custom machines: they're parametric, aim to be reconfigurable, and we can make them in the lab with a minimum set of stock hardware.
## Machines Using RCT Gantries
......@@ -10,19 +8,35 @@ The goal is to provide a set of components from which most other automation equi
[Claystack, a ceramics 3d printer](https://gitlab.cba.mit.edu/jakeread/claystack)
[the Madison Park Vocational Machine, for high schools](https://gitlab.cba.mit.edu/jakeread/mpvmachine)
## Usage
# Usage
This repository should help you figure out how to build your own axis: it contains some explanatory drawings, videos, as well as CAD files and Bills of Materials for various design elements.
A typical machine-level workflow is described [for machineweek, at this link](https://gitlab.cba.mit.edu/jakeread/machineweek-2018).
![](video/SEQ-fusion-parametric-enc.mp4)
In Fusion[^2], you can open this file up and use (from the top menu)
``` Modify >> Change Paremeters ```
Each of these models should have some parameters starred, these are what you'll want to configure. Go ahead and set axis lengths, material thicknesses according to what you're doing. When you're satisfied, you can export the model as a .step file, using the file menu, to prep it for fabrication.
``` File >> Export ```
Make sure to change 'type' to .step, and check the 'save to my computer' box. Now you're ready to import it into another assembly.
**Alternately,** you can save the changes to a new file and import that model into another Fusion 360 Assembly.
## Gantry for NEMA23 Motor, 0.375" HDPE
![RCTN23-0375HDPE](images/RCTN23-hdpe-img.jpg)
![RCTN23-0375HDPE](images/RCTN23-hdpe-dwg.png)
[RCTN23-025ALU Fusion CAD File](cad/RCTN23-0375HDPE_v5.f3d)
#### [RCTN23-0375HDPE Fusion CAD File](cad/RCTN23-0375HDPE_v5.f3d)
#### BOM N23 0375HDPE
Type | Size | QTY | Where Used | McMaster PN
--- | --- | --- | --- | ---
......@@ -45,21 +59,9 @@ Bearing Shim | 8mm ID x 10mm OD x 1mm Thick | 38 | Roller Separation | 98089A381
![RCTN23-025ALU](images/RCTN23-alu-dwg.png)
[RCTN23-025ALU Fusion CAD File](cad/RCTN23-025ALU_v51.f3d)
![](video/SEQ-fusion-parametric-enc.mp4)
In Fusion[^2], you can open this file up and use (from the top menu)
``` Modify >> Change Paremeters ```
Each of these models should have some parameters starred, these are what you'll want to configure. Go ahead and set axis lengths, material thicknesses according to what you're doing. When you're satisfied, you can export the model as a .step file, using the file menu, to prep it for fabrication.
``` File >> Export ```
Make sure to change 'type' to .step, and check the 'save to my computer' box.
#### [RCTN23-025ALU Fusion CAD File](cad/RCTN23-025ALU_v51.f3d)
### N23 / 0.25" ALU Hardware
#### BOM N23 025ALU
Type | Size | QTY | Where Used | McMaster PN
--- | --- | --- | --- | ---
......
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