XY Flexure Translation Stage
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This is an XY Translation stage that uses mutually compensating flexures to create "perfect" planar translational…
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Updated at source:
Model information
- Source
- Printables
- Category
- Engineering
- License
- Creative Commons — Attribution
This is an XY Translation stage that uses mutually compensating flexures to create "perfect" planar translational movement. In a perfect world, no rotation or Z-Movement would sneak in (but a little does). These stages have a +- 14mm movement range.
Because it's all one piece, there's no backlash or friction (from parts rubbing against each other), so this mechanism can be used to build micrometer repeatable motion stages.
There's a "Stiff-X-Axis" version of the STL that has much better rotational stiffness (but also more translation stiffness). The "Normal" version of the STL cuts out most of the X-Axis flexures in an attempt to match their stiffness to the Y-Axis, and it has a locator for the lid.
This design was inspired by: https://www.thingiverse.com/thing:2574629
Here's a video of the design process:
https://imgur.com/a/YH4HQpo
The Fusion 360 designs are here; it's mostly constrained so you can adjust the base sketch to your liking:
https://a360.co/2zL3d2o
Print Settings
Printer Brand:
Prusa
Printer:
I3 MK3S
No
Supports:
No
0.3mm DRAFT
Infill:
5%
Filament:
Generic PLA Black
Notes:
Print Settings -> Layers and Infills -> Detect Bridging Perimeters = TRUE
Print Settings -> Layers and Infills -> Detect Thin Walls = FALSEPrint Settings -> Advanced -> External Perimeters = 0.4mm
If the flexures have two lines running along them, then this was done properly.
Category: Engineering