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Author Topic: linear actuator  (Read 766 times)

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Offline rmg1010Topic starter

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linear actuator
« on: January 07, 2012, 03:00:42 PM »
Hi everyone,

I have a question about a specific firgelli linear actuator.
http://www.firgelliauto.com/product_info.php?cPath=110&products_id=134
I need to have an actuator that has position control and be reletively small. The other mini actuators I found were not strong enough. This actuator is perfect except it does not seem to have the feedback control I need.

My question is, is there a way to easily modify these actuators so that I can use it as if it had feedback?

Thanks in advanced.
« Last Edit: January 07, 2012, 03:02:42 PM by rmg1010 »

Offline Soeren

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Re: linear actuator
« Reply #1 on: January 07, 2012, 09:34:12 PM »
Hi,

I need to have an actuator that has position control and be reletively small. The other mini actuators I found were not strong enough. This actuator is perfect except it does not seem to have the feedback control I need.

My question is, is there a way to easily modify these actuators so that I can use it as if it had feedback?

There's probably not any space left inside it, but you can always add something externally.
One possibility could be an incremental encoder on the rotating screw. For homing positions, the built-in limit switches should work and it will then have a certain amount of "clicks" per inch of travel, depending on the number of segments on the encoder.

Hard to be more precise, when all you give us are "relatively small", "strong enough", but nothing on stroke length, the intervals you need, the force you need or anything specific ;)

Did you check Linaks range of actuators? They're superior IMO, but I'm biased :) You might find something that fits your purpose - with feedback.
Regards,
Søren

A rather fast and fairly heavy robot with quite large wheels needs what? A lot of power?
Please remember...
Engineering is based on numbers - not adjectives

Offline Mr.Actuator

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Re: linear actuator
« Reply #2 on: February 06, 2013, 11:59:21 AM »
Hi RMG1010,

This post is a little old so you may have already resolved your issue but you can take a look at our PA-14P model actuator.
The hole to hole dimensions seem to be about 1" shorter then the firgelli model and it has a built in potentiometer.
The overall speed is slower than the model you suggested but the force is much greater.
The dimensions may work for you, take a look and let me know if you have any questions about them.

http://progressiveautomations.com/linear-actuator-with-potentiometer-14p-c-59.html

Thanks,

Alex
Product Engineer
Progressive Automations Inc.
www.progressiveautomations.com
www.actuatorzone.com

 


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