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Thanks for the heads up concerning the slack, I'll look into that. I have read that one should not put to a sprocket wheel right over the other, but I don't see why? dvd: currently I'm thinking about using a limit-switch that turns on a throttle. That's as far as I have come. How much...

Those are indeed nice and I like the way you think :) The problem is that I only have 6 bar of air pressure to work with, so my actuator has to be pneumatic. The other problem is that the shaft I want to rotate is horisontal, and my actuator "has" to be placed in a vertical fashion, so there...

dvd: I found a Martin Sprock catalog and found what you are talking about.Thanks! Looks like I might be able to use one of those. Kind of wierd that they didn't put max bore in the european one.. If I want my rotation to be somewhat accurate, are these kinds of chains a good choice? The...

The resitance in the shaft I am trying to rotate is about 200Nm. I can maybe make the wheel 150 in diameter.That would give me 50mm to make the teeth and a keyway, sounds way too little to me. What do you think? Thanks again!

hydtools: Those look great! Thanks guys.

My bore needs to be 50mm and I can't have a huge diameter for the sprocket wheel. The biggest diameter I can choose from my table is 30mm and that gives me an wheel diameter of almost 600mm! I can't use that. What I'm basically trying to do is turn a shaft about 180 degrees using chaindrive...

Hey, I'm looking at sprocket wheels and have come upon something I don't understand. I'm looking at the European Standard and if I want a wheel for a 5/8'' simplex (15,875mm) roller chain with 16 teeth I can only use a diameter of 12mm. I can't connect the wheel to a shaft bigger than 12mm...

Rack and Pinion is no good for my problem, but thanks. I will look around some more.

Thank you sir.

Hey, I'm looking for a helical rotary pneumatic actuator capable of turning 180 degrees. I have done some searching and those I have found have been hydraulic and only 90 degrees. Thanks

Hey, Is it possible to run NX 5 and I-DEAS on the same machine? I'm wondering if there would be some kind of conflict between the license files.. Thanks

Thank you! Anything else?

Hey, I'm a brand new mechanical engineer and have come upon the need to use a pneumatic rotary actuator. The thing is that I don't know much about these things and would like to read up on them a bit. I've only been able to find data sheets. Thanks!