Pneumatic Actuators

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Kumarasrdx Associate Join Date: Sep 2016 Posts: 25	Pneumatic Actuators 03/17/2018 7:45 AM
	I have been working in a valve manufacture industries. Recently I learned about tandem actuator. Is there is any tandem actuator for rack and pinion type?is there is any possible way to couple the two rack & pinion to get more torque under the tandem principle? I have come across a drawing of my competitor he had implemented the same principle on a normal rack and pinion type by one above the other how it is possible. Kindly share the lecturer or some information on this. It will be very useful for my career development.
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Mikerho Guru Join Date: Jan 2007 Location: Moses Lake, WA, USA, Thulcandra - The Silent Planet (C.S. Lewis) Posts: 4216 Good Answers: 194	#1 Re: Pneumatic Actuators 03/18/2018 1:43 AM
	Why not buy one of your competitors' valves and reverse-engineer it? Does that sound unethical to you? __________________ "Reason is not automatic. Those who deny it cannot be conquered by it. Do not count on them. Leave them alone." - Ayn Rand
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Codemaster Guru Join Date: Jul 2005 Location: Stoke-on-Trent, UK Posts: 4496 Good Answers: 137	#2 Re: Pneumatic Actuators 03/18/2018 4:55 AM
	Have you considered scotch yoke type actuator? Can give higher torque at valve disc break-out, which might be all you need. Plenty of data on the web. __________________ Give masochists a fair crack of the whip
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Kumarasrdx Associate Join Date: Sep 2016 Posts: 25	#4 In reply to #2 Re: Pneumatic Actuators 03/20/2018 11:32 AM
	Hi, Thanks for your reply, but scotch and yoke actuator is a costlier option and we can't afford those for a price competitive market like India. That's the reason we are looking for this option.
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PWSlack Guru Join Date: Jan 2007 Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on. Posts: 32175 Good Answers: 839	#5 In reply to #4 Re: Pneumatic Actuators 03/21/2018 10:04 AM
	Without an USP, price is the only selling point. Re-engineering the equipment such that it creates an USP will yield advantages and reduce dependence on price competitiveness. __________________ "Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
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Jpfalt Guru Join Date: May 2016 Posts: 1746 Good Answers: 87	#3 Re: Pneumatic Actuators 03/19/2018 11:22 AM
	You are looking for a Rotork RHQ actuator. It uses double acting parallel cylinders and a rack an pinion drive.
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Codemaster (1); Jpfalt (1); Kumarasrdx (1); Mikerho (1); PWSlack (1)

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