GrabCAD
FlexCar Gear Set
by GrabCAD
Last crawled date: 1 year, 12 months ago
For the last design I turned Flexbot into FlexCar, but the gear set was not made by ourselves. This time I designed the model and 3D printed the gear set. The motor spins quite fast. So we need to use the gear set to slow down the speed. The speed reducing ratio is 1:52 and the overall size is 59*77*20 mm.
Materials and equipment needed (most of them can be found at home)
- The printer we use is FDM 3D printer, and the filament is PLA. Layer set: 0.15 mm ; Extruder diameter: 0.55 mm
- Core from common rivet (Diameter: 2 mm) and chopsticks (diameter mm) as the shaft of the gears; Two metal axles (5*10*4 mm); lubricating oil
We printed out the gear set and it actually worked. But the accuracy is not enough due to the 3D printed components, which leads to much noise when the gears move, sounding like the impact drill drilling on the wall.
The smallest motor connecting with the core-less motor: m=1, z=7. The installation diameter of the axle is 1 mm. The slips happen a lot between the gear and the axle.
It would be great if you have some ideas or suggestions for this design so that I can improve it : )
We are on Thingiverse as well,search for Flexbot
Materials and equipment needed (most of them can be found at home)
- The printer we use is FDM 3D printer, and the filament is PLA. Layer set: 0.15 mm ; Extruder diameter: 0.55 mm
- Core from common rivet (Diameter: 2 mm) and chopsticks (diameter mm) as the shaft of the gears; Two metal axles (5*10*4 mm); lubricating oil
We printed out the gear set and it actually worked. But the accuracy is not enough due to the 3D printed components, which leads to much noise when the gears move, sounding like the impact drill drilling on the wall.
The smallest motor connecting with the core-less motor: m=1, z=7. The installation diameter of the axle is 1 mm. The slips happen a lot between the gear and the axle.
It would be great if you have some ideas or suggestions for this design so that I can improve it : )
We are on Thingiverse as well,search for Flexbot
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