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Reciprocating cylinder?
Johnw
#1 Posted : 09 November 2012 17:52:46(UTC)
Rank: Member

Posts: 1
Country: GB

Does anyone know if a pneumatically controlled reciprocating cylinder exists?

Sort of like a DNC with an A-5-1/4 attached would do, seem to remember Festo offering this in the dark dim days of my youth.

Can anyone help?

Cheers

John
Matt_Rayment
#2 Posted : 13 November 2012 01:08:34(UTC)
Matt_Rayment


Rank: Festo Technical Support

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Country: GB

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Hello John,

Thanks for your question, we think that there was a solution to this offered a while ago where the valve fitted into the cylinder itself and when it reached full stroke it sent a signal to automatically return. I will check with the team here to see if we're still able to offer a cylinder with some small pneumatic logic circuit on it.

Please bear with me while I ask the question.

Matt
Matt Rayment
Technical Support Manager
Matt_Rayment
#3 Posted : 13 November 2012 10:50:15(UTC)
Matt_Rayment


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Hello John,

I have spoken to my colleague, like you he remembers something like this a while ago but it's long been discontinued.

His suggestion is to use a pneumatic logic system we have called a 'signal generator' that will give an output when the cylinder reaches full stroke called the PPL I've located it in the website for you.

If you're interested in a reciprocating cylinder application, please email us on sd_gb@festo.com with the application details you have i.e. stroke length, speed, thrust force and reciprocating rate and we can pass it onto the applications team who would be pleased to get back to you with a solution.

Matt
Matt Rayment
Technical Support Manager
motion9
#4 Posted : 03 December 2012 13:12:17(UTC)
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Depending on whether full stroke is required the oscillating valve 4026 was used to reciprocate a cylinders - might be of interest?
1 user thanked motion9 for this useful post.
Matt_Rayment on 03/12/2012(UTC)
Matt_Rayment
#5 Posted : 03 December 2012 22:09:02(UTC)
Matt_Rayment


Rank: Festo Technical Support

Posts: 162
Country: GB

Thanks: 53 times
Was thanked: 48 time(s) in 44 post(s)
All good information here! Here's some more information for this:

Based on a standard (DNC) cylinder one of my colleagues has kindly given me the key to a reciprocating system:

2 x 178563 - SMPO-8E - This is a pneumatic proximity sensor
2 x 178230 - SMB-8E - This is the mounting kit for the sensor

The pneumatic sensor is magnetically triggered so, you can mount it anywhere on the cylinder, when it senses the magnetic field it trips and switches. With two of these (one in each port) the cylinder will oscillate in and out.

He also suggested a J-Series valve - J-5/2-1/8-B and a DNC series cylinder to solve the application.

I hope this helps!

Matt
Matt Rayment
Technical Support Manager
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