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-   -   Robot Pit Lift (http://www.chiefdelphi.com/forums/showthread.php?t=35756)

Al Skierkiewicz 04-03-2005 13:18

Re: Robot Pit Lift
 
Kevin and Sanddrag,
The motor speed device is listed for AC/DC as series wound motors will run on both but at 120 volts. If you look at your plugin drill it may say AC/DC. (Parts of some cities are still running DC in older sections. Milwaukee is rumored to still have buildings downtown with DC, for instance. )
A rheostat will work but it's value must be matched to the load impedance or you don't get any control. Just on and off.

Tamster548 09-03-2005 20:00

Re: Robot Pit Lift
 
We've got one on our cart - it creates a more elevated workspace for us. Four 8" throw pneumatic lifts.

Mike Hendricks 09-03-2005 23:28

Re: Robot Pit Lift
 
Quote:

Originally Posted by Tamster548
We've got one on our cart - it creates a more elevated workspace for us. Four 8" throw pneumatic lifts.

Just out of curiousity .. what does that cart weigh? :rolleyes:

Tamster548 14-03-2005 15:52

Re: Robot Pit Lift
 
Quote:

Originally Posted by PhatMike
Just out of curiousity .. what does that cart weigh? :rolleyes:

Haha, honestly I don't think we've ever tried to weigh it. :o

Saton472 14-03-2005 19:38

Re: Robot Pit Lift
 
Quote:

Originally Posted by Al Skierkiewicz
Guys,
I have to put a big caution here. Pneumatics operate like right now, while hydraulics can have some control. (It's all in the valves) I would caution against using something that you can't stop once it starts.

You can use the white needle valves ( the ones with the thumb wheel on it that was supplied in this years kit to control how fast the cylinders fill. Or you can use SMC controll valve or the ASV Speed Exhaust control
As to the issue of multi positioning the lift you could use one of the designs in this thread Multi positioning pneumatic actuator


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