Robotic lawn mower cutting disc
thingiverse
This is a custom lawn mower cutting disc designed for the Liam6 robotic lawn mower, but it can be used with any mower that has an M8 bolt on the axis. The design ideas are centered around: 1. Distributing forces to allow printing with lower strength materials like PLA. 2. Allowing knives (standard robotic lawn mower knives with their M4 screws) to freely rotate around their screws, reducing mechanical shock damage. 3. Lowering the cutting disc to a level corresponding to a maximum grass height of approximately 4 cm for the Liam6 design. 4. Protecting spinning knives with a cover like some commercial mowers. FreeCAD files are included in this package. Standard robotic lawn mower knives with free-rotating screws can be purchased on eBay, along with their respective M4 screws.
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