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1st project - rotating monitor - no name
csa3d:
--- Quote from: Haterot on June 30, 2009, 07:43:23 am ---well 2 problems. it's either struggling to turn and the motor slips or it doesn't turn it at all (motor struggles) I inverted the monitor so the cables were at the top to give it a little top heavy. That helped some but not enough. I will try to move the motor/wheel to the top but I am thinking with the weight of the monitor/cables/mounting board is to much weight for a traction/friction wheel. That's why I was thinking of going with the chain method.
--- End quote ---
Nah.. it's all about implementation. I went through three variations, so I feel your struggle. Take a look at my images here.
Note the following:
1. My motor wheel is parallel to the monitor disk, not 90 degrees
2. motor is at top, monitor weight does not impace majority of torque
3. The motor disk is supported by two wheel parallel to the monitor disk at the bottom
4. I use exactly the same components as you
It's very easy now using this setup, for me to whack the monitor by turning it too fast.. same parts.
Let me know if you need greater explanation.
-csa
Haterot:
csa3d did you attach ball bearings (look like in line skate bearings) to L brakets instead of using casters??
after some study
You aren't even using casters on the underside. you are using the ball bearings as the support, friggan brilliant. I assume there's no center point/shaft.
are you worried at all that weight can be supported by those two bearings are enough?
csa3d:
--- Quote from: Haterot on July 01, 2009, 04:21:01 pm ---csa3d did you attach ball bearings (look like in line skate bearings) to L brakets instead of using casters??
after some study
You aren't even using casters on the underside. you are using the ball bearings as the support, friggan brilliant. I assume there's no center point/shaft.
are you worried at all that weight can be supported by those two bearings are enough?
--- End quote ---
As a kid, I skated pretty hard, and have never broke a skate bearing. They are built to be rugged for a reason. After attaching the homemade "casters" to the bottom of the monitor support disk, I sat on it and rolled down the driveway to test. It's not breaking anytime soon, I promise.
I think if you can stomach ripping apart your rig and trying it one more time, you'll get to a good place. Took me three times ;)
-csa
Haterot:
I was in Vegas for the 4th of July b ut was thinking about this idea the whole time (Well no not the whole time). Yeah i think I can stomach tearing the rotating mechanism apart. Will give this a go this week and see what can be made of it.
Also I can't tell from your pics, but how did you attach the motor's body to that strip of wood?
Richie Rich:
Hi, Haterot
Your rotating cab looks good so far. Hang in there with the rotating monitor, It took me six months of research planning and building my rotating monitor setup but it is worth it in the end.
I noticed your motor wheel is at a 90 a degree angle with your monitor disk, have you thought about trying it parallel on the edge of the disk possibly at the top with supporting castor's on the bottom? Also to cure slipping problems you could try some spray on liquid tape on the wood where the wheel makes contact "just make sure to mask off your monitor and anything else you don't want over sprayed".
Hope your monitor turns out for you.
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