Prusa Bear Y Axis Linear Rail Modification - Old Design
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New Design : https://www.prusaprinters.org/prints/141464-bear-linear-rail-y-axis-modification
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Updated at source:
Model information
- Source
- Printables
- Category
- Prusa Parts & Upgrades
- License
- GNU General Public License v3.0
This design allows for quieter operation, but also significantly improves stability and rigidity of the y axis. For a double linear rail design, it is important to not over constrain the carriage in order to allow for smooth operation. The design for the bumpers was inspired/remixed from JuanPuchol on Thingiverse. Be sure to take a look at his edit, as he also includes a design for X and Z Rail Modifications.
Parts Needed:
2 x V-Slot Aluminum Extrusion (331mm)
2 x Linear Rail (350mm - C)
3 x MGN12C Blockz
6 x M3 12mm
6 x M3 6mm Countersunk Head
Extra:
10 x M3 5mm (Users have found that 8mm works better)
10 x M3 T-Nuts
These can be added to create a stronger connection of the linear rails to the extrusion.
8 x M5 8mm (Users have found that 12mm works better)
8 x M5 T-Nuts
Prusa Bear Printer Design by gregsaun
https://github.com/gregsaun/prusa_i3_bear_upgrade
Inspiration from JuanPuchol on Thingiverse