No actual write-up goes with this post other than a gallery full of photos for 3D printing enthusiasts. This was an exercise to demonstrate how large models can be printed using the Up! printer [Hah! if you buy use this affiliate code please!]. The hub of the wheels are about at the limit of the platform size of the printer but the body is constructed in a modular manner.
The rover itself is driven by 4 cheap continuous rotation servos like the original, interfaced with a cheap MSP430 Launchpad and controlled by a wireless Wii Nunchuk. The webcam in the photo above is connected to a TP-Link TL-WR703N which acts as an access point and streams to any WiFi device with a web browser (iPad above…not mine!).
Edit : Forgot to add Youtube test video as usual!
Freshly printed Mecanum Wheel Hub
Mecanum Wheel Hub
Mecanum Wheel Hubs and Rollers!
Freshly printed rollers
More rollers!
A gazillion rollers
Snakes! Actually just rollers…
Plasti-dipped roller snakes!
Daytime rollers…
Hubs with bearings fitted and rollers ‘dipped’
Rollers ready for fit
Column of hubs with bearings fitted
Hub with red rollers fitted
Fully assembled wheel
All 4 wheels ready to go!
Side view of wheels plus the cheap servos
Modular body pieces hot off the printer
Body prototype 1 joined with aluminium U-channels
Bearings!
‘Arumi’ prototype on the left, and ‘Stainless steel M3 + ABS composite’ on the right
Messy assembly/print area
Freshly printed connector pieces for the body
Body assembled
Top view of body with servo cable holes
Top view of body with servo cable holes + old prototype in the back
Custom mounts for the battery holder
iPad in iPad view with TL-WR703N camera mounted
Old Logitech Ball camera mounted for testing…
Close-up of the hub with bearing fitted
Rollers being printed with rude guy in the background
9 thoughts on “Larger Mecanum Rover – 3D Print Gallery”
我是来自中国的一名学生….我制作了一个Mecanum Wheel mini cai….用89S52…舵机价格是1.5美金一个..但是我打印的Mecanum Wheel 很粗糙，你是用什么型号的3D打印机呢？
I am a student from China …. I made a mecanum Wheel mini cai …. 89S52 … Servo Price is $ 1.50 a Mecanum Wheel .. but I print very rough, you are usingWhat type of 3D printer?
Google translate 🙂
Do you have url about this 9g size servos mecanum wheels ，I want to refer add to my car. SO, I Want to know You generally use instant messaging tools addition to MSN
I only have some photos I took when I was building them :-
love it
我是来自中国的一名学生….我制作了一个Mecanum Wheel mini cai….用89S52…舵机价格是1.5美金一个..但是我打印的Mecanum Wheel 很粗糙，你是用什么型号的3D打印机呢？
I am a student from China …. I made a mecanum Wheel mini cai …. 89S52 … Servo Price is $ 1.50 a Mecanum Wheel .. but I print very rough, you are usingWhat type of 3D printer?
Google translate 🙂
Which servo are you using that is so cheap? I am using the pp3dp Up! which is from Beijing 🙂
I used SG90 servo.It’s like this
https://www.google.com.hk/search?q=SG90&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:zh-CN:official&client=firefox-a
so，you are in china。now？
No but I’ve been to China many many times. The SG90 is a bit small for my liking, I’ve built smaller mecanum wheels using those 9g size servos too 🙂
Do you have url about this 9g size servos mecanum wheels ，I want to refer add to my car. SO, I Want to know You generally use instant messaging tools addition to MSN
I only have some photos I took when I was building them :-
http://www.flickr.com/photos/madoxnet/6672778005/in/photostream
http://www.flickr.com/photos/madoxnet/6672783485/in/photostream
One more photo :-
http://www.flickr.com/photos/madoxnet/6672773657/in/photostream/
Uh … I do not think that 9g servos ..This is the first generation of Mecanum Rover car?