Author Topic: Six wheeled Robot platform  (Read 5478 times)

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Offline SnowbotTopic starter

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Six wheeled Robot platform
« on: November 15, 2009, 01:36:08 PM »
Hey.I am new on this forum,and this is my protject..
[youtube]
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Offline SmAsH

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Re: Six wheeled Robot platform
« Reply #1 on: November 15, 2009, 01:41:30 PM »
It looks extremely well done, how did you make the enclosure?
Also, do you have any specs on it, whats inside, processor etc...?
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Offline SnowbotTopic starter

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Re: Six wheeled Robot platform
« Reply #2 on: November 15, 2009, 02:02:42 PM »
Thanks!
So far it can only be driven with remote control(6 channel Futaba)
but here is what i got so far:

Motors: 6 x ML-30 30:1 Geared Motor.
ESC    :Sabertooth 25 Dual 25A Motor Driver.
Power:3 gen hyerion LiPo batt.
Reciver:  Futaba R617FS FASST
Body :10 mm alu on the side and 2 mm alu. cover .

Next up will be a servo controller for a robot arm and a micro controller.

Offline SmAsH

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Re: Six wheeled Robot platform
« Reply #3 on: November 15, 2009, 02:20:46 PM »
Ahh, so its r/c, i cant wait for the autonomous version :)
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Offline SnowbotTopic starter

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Re: Six wheeled Robot platform
« Reply #4 on: November 15, 2009, 02:33:00 PM »
Work in progress  ;D ;D

Offline Admin

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Re: Six wheeled Robot platform
« Reply #5 on: November 21, 2009, 05:45:35 PM »
I like the carrying handle on the front ;D

Offline SmAsH

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Re: Six wheeled Robot platform
« Reply #6 on: November 21, 2009, 05:49:32 PM »
Just a question, is the fan to clear out the hot air from the heatsinks?
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Offline Joker94

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Re: Six wheeled Robot platform
« Reply #7 on: November 21, 2009, 09:42:09 PM »
very well done, and well made to. ;D

Offline SnowbotTopic starter

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Re: Six wheeled Robot platform
« Reply #8 on: November 22, 2009, 01:49:57 AM »
Thanks.
Yes the fan is to clear out the hot air from the heatsinks.

Offline fiflak666

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Re: Six wheeled Robot platform
« Reply #9 on: November 25, 2009, 03:34:34 PM »
my question is about motors/wheels:

have you mounted wheels and have you tried to drive with that robot? I have a 4-wheel robot and the biggest problem was to place every motor exacltly on the same level - in the other case some wheels would touch the ground, while the others wont

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Re: Six wheeled Robot platform
« Reply #10 on: November 25, 2009, 04:42:15 PM »
I have a 4-wheel robot and the biggest problem was to place every motor exacltly on the same level - in the other case some wheels would touch the ground, while the others wont
two words: suspension system ;D

look at my ERP and Fuzzy robots - they both have 4 wheels with suspension

Offline fiflak666

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Re: Six wheeled Robot platform
« Reply #11 on: November 26, 2009, 05:28:49 AM »
I have a 4-wheel robot and the biggest problem was to place every motor exacltly on the same level - in the other case some wheels would touch the ground, while the others wont
two words: suspension system ;D

look at my ERP and Fuzzy robots - they both have 4 wheels with suspension
Yeah  8) suspesion is a solution but ... my robot was a minisumo so you know, there is a little to small free space to think about suspension

As I look at the movie from first post, I thinks that there is no suspesion in that robot so I'm wondering if it is problem

Offline SnowbotTopic starter

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Re: Six wheeled Robot platform
« Reply #12 on: November 26, 2009, 01:33:29 PM »
There is no suspension on my robot,the mounting "holes"for the motors are cnc "cut" .also the platform ways about 7kg combined whit soft tires ,
I am going to make a driving video soon. ;D

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Re: Six wheeled Robot platform
« Reply #13 on: November 26, 2009, 08:24:33 PM »
Quote
my robot was a minisumo so you know, there is a little to small free space to think about suspension

Plenty of room! Don't just think the only way to do suspension is what they do for cars.

For example, see my omni-wheel robot:
http://www.societyofrobots.com/images/fuzzy_prod1.JPG
http://www.societyofrobots.com/robot_omni_wheel.shtml

See 4 wheels? See the suspension? Its a very thin sheet of aluminum, thin enough that it bends and flexes with the ground underneath it.

For small robots, another way to do it is use double sided sticky tape to attach your motors/servos. It holds really well, yet still flexes enough for suspension.

Putting rubber padding on the wheels also works as a suspension.

Many other ways to do it.

 


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