Linear Rail | Sliding Replica for Prototyping | 100-300mm
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A replica of a linear rail. The carriage slides along the rail, although not quite as smoothly as a real linear rail.
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Model information
- Source
- Printables
- Category
- Mechanical Parts
- License
- Creative Commons — Public Domain
This linear rail is meant to be a rough representation of an actual linear rail.
The replica's carriage slides along the rail, but may be lacking the smoothness and may have a bit more play than the actual thing. That being said, the replica could be useful for prototyping.
This linear rail replica features:
A rail with your choice of length - 100, 150, 200, 250, and 300mm
Screw holes along the rail at accurate positions for M3 screws
A sliding carriage with screw holes at accurate positions for M3 screws
Slots in the carriage for M3 square nuts to fasten M3 screws
Bumpers to prevent the carriage from sliding off the rail (flexible filament recommended)
The rail can be printed normally, or upside down, depending on which side you want to be the smoothest.
You may need to orient the largest 300mm rail at a 40° angle or so for it to fit on a 250mm bed.
The fit between the rail and the carriage may seem tight at first, but with a bit of usage, and possibly lubrication, the carriage should slide more easily. You may notice a small amount of play after some usage too.
The bumpers can optionally be bolted to the rail thanks to their screw holes. It is recommended that the bumpers are printed in a flexible filament such as TPU.