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| (...) Iain, Calm down. Take deep breaths. Nobody knows what the hell you are talking about. Ever. When I was about 20 years old, my Dad sent me to a Festo course for training. Back then, it was all pneumatic computers and self-sequencing logic, sort (...) (20 years ago, 28-Apr-05, to lugnet.org.ca.rtltoronto)
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| (...) Okay, okay. FESTO time. :) Rodless Pneumatic Drive - type DGP-...: (URL) The driving element is driven by a rodless pneumatic piston within the cylinder body. A slot in the side of the cylinder body permits coupling. The slot is sealed by an (...) (20 years ago, 28-Apr-05, to lugnet.org.ca.rtltoronto, FTX)
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| (...) Of course it does.... Oh, and the Festo Didactic and LEGO Dacta parallel is very apt. It would be soooo cool to have some kind of spool valve or other way to control LEGO pneumatics from an RCX. We can always dream... Ralph (20 years ago, 28-Apr-05, to lugnet.org.ca.rtltoronto)
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| "Iain Hendry" <ihendry@ventax.com> wrote in message news:IFo5L1.1q3I@lugnet.com... <snip interesting pneumatic cylynder stuff>> (...) (1) are you allowed to write that here ? GDR oliver (20 years ago, 28-Apr-05, to lugnet.org.ca.rtltoronto)
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| (...) Can someone explain how a "recirculating ballbearing guide" works, it sounds interesting. Steve (20 years ago, 29-Apr-05, to lugnet.org.ca.rtltoronto, FTX)
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| (...) Linear rails and bearings are amazing. Super precise, super rigid, and highly dynamic. The following pictures should give it away without even any text. :) (2 URLs) We make heavy use of linear rails and guides on all of our robots. (URL) (...) (20 years ago, 29-Apr-05, to lugnet.org.ca.rtltoronto, FTX)
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| (...) My brain hurts. Derek (20 years ago, 29-Apr-05, to lugnet.org.ca.rtltoronto)
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| (...) This is exactly the picture I had in my head when I imagined what a recirculating ballbearing system would be like. It resembles a caterpiller track. Whenever I see a race of ball bearings I always think their should be somthing inbetween them (...) (20 years ago, 29-Apr-05, to lugnet.org.ca.rtltoronto, FTX)
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| (...) You're talking about caged bearings. Caged bearings do have a higher coefficent of friction over non-caged bearings, but the friction is constant (in a normal bearing, the balls come into contact intermitently), the life is extended (...) (20 years ago, 30-Apr-05, to lugnet.org.ca.rtltoronto)
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