Talk:Linear actuator

message: I came to this page looking for an explanation of "Stoke length".  Could the article be expanded to technically explain/demonstrate what is meant by "actuator stroke length"?  THANKS! ZacWolf (talk) 16:12, 15 March 2012 (UTC)
replies: text: Stroke length generally refers to the maximum linear motion caused by any reciprocating mechanism.  So, for example, the stroke length of a traveling-nut screw jack describes how far the nut can move from its minimum to maximum position.  See the stroke article for more information. —Catsquisher (talk) 23:27, 15 March 2012 (UTC)

text: Looks fine. You've specified the correct copyright status when you uploaded the image. If you're looking for extra challenge points you could take several pictures of it in several positions and create an animated GIF that shows it in action. :)  Thanks for the image. --Hooperbloob 02:49, 19 October 2007 (UTC)
thread_title: Untitled

message: I've revised the intro, added the most common mechanical linear actuator types and their principles of operation (along with a reference), added pneumatic cylinders, and added many links to other pertinent articles.  I left most everything else the same because my interests lie elsewhere at the moment, but this article still needs a lot of help, including more references and clearer descriptions.  --Catsquisher (talk) 02:05, 10 August 2010 (UTC)
thread_title: Help needed

message: There are 2 slightly different kinds of linear actuator#Electro-mechanical actuators
that use a lead screw.
Do these 2 kinds of actuators each have a more specific name to distinguish them from each other?
* The motor stays attached to one end of the lead screw (perhaps indirectly through a gear box), the motor spins the lead screw, and the lead nut travels up and down the lead screw. There's a pretty good diagram of this in the article.
* The lead screw passes entirely through the motor. The lead screw never spins; the only spinning parts are inside the motor, and may not even be visible from the outside. The motor "crawls" up and down the lead screw. I wish this article had a diagram of this in the article.
I wish this article also had photos of the internal parts and internal workings both these kinds of actuators.
--68.0.124.33 (talk) 22:57, 4 December 2010 (UTC)
replies: text: The two basic types of screw-driven linear actuator you asked about are described as either traveling screw or traveling nut.  If rotation of the screw is restrained it's of the traveling screw type--the nut rotates and the screw moves.  If rotation of the nut is restrained it's of the traveling nut type--the screw rotates and the nut moves.  Catsquisher (talk) 23:56, 4 December 2010 (UTC)
replies: text:  Thank you, Catsquisher. I added those terms to the article; now it needs some images ... --68.0.124.33 (talk) 20:09, 22 December 2010 (UTC)
thread_title:  requested photo 

message: Is there such a thing as a compact electric linear actuator that has an "absolute position reporting" encoder, with the ability to measure forces pushing or pulling on the end of the actuator?
I have been looking all over the Internet and so far I cannot find anything like this. It seems odd because I would think a linear actuator like this would be in high demand for dynamic motion robotics systems.
DMahalko (talk) 18:22, 28 June 2011 (UTC)
thread_title:  linear actuator + absolute encoder + force feedback? 

message: I notice that the article contains not a single mention of solenoids. Are solenoids not considered to fit the definition of linear actuators? (If not, I'd be curious to know why.)
Convit (talk) 14:15, 6 August 2013 (UTC)
thread_title:  No mention of solenoids?? 

message: Kudos to the writers of this page. Excellent imaging & graphics work.  — Preceding unsigned comment added by 130.154.0.250 (talk) 17:40, 12 August 2013 (UTC)
thread_title:  Thanks