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Lowcost Robot Chassis (beta)
I designed this chassis in blender as a proof of concept. However, it's not quite finished yet. The wheels are based on Emmett's Gear Bearing.
Maker/DIY
Creative Commons Attribution Share Alike
Commercial use is allowed, you must attribute the creator, you may remix this work and the remixed work should be made available under this license.
Description
This design seeks to minimize the parts count of a 3d printed robot chassis. All of the hardware for the chassis costs less than $10. The Motors batteries and motor controller can be substituted for any of your choice. I hope to convert the final design to OpenScad so that the design is parametric. The gears on the rear wheels and motor were made on a customized version of Blender's gear Generator. For those who which to generate their own gear ratios here are the stats of the gear around the rear drive wheels:
Number of teeth 50
pitch 4mm
clearance .5mm
width 2.5mm
base 4.2mm
PA 20d
I am not providing the Blender script at this time because it is a bit of a hack and in the future I hope to convert the design to OpenScad anyway.
Materials and methods
4x 60mm M6 Bolts (axles)
4x M6 Nuts
8x Washers
6 40mm M6 (motor mount)
Documents
Edit in 3dslash
Issues
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Comments
Felipe Ayub added this to the Brinquedo collection ago
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Pavel Skřipec commented agoCould you please try design a gearbox? I need to make it ran at low speeds, but in my shop do not have much motors to choice.
Pavel Skřipec commented agoI have motor shield for arduino and ultrasonic sensor. (somewhere)..
AFJay commented agoI used the example code from the ardunio library to drive the motors. I haven't got around to finallizing this design. I've been working on other stuff. I recommend getting a motor controller from pollolu with a set of gear motors.
Pavel Skřipec commented agoAnd code for the car? I was started something like this few years ago. My son will have birthday next month, so maybe i will print it and build it for him.
Pavel Skřipec added this to the Hracky collection agoAFJay published this design ago