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- เผยแพร่เมื่อ 13 ม.ค. 2024
- Here, you can learn how to build a linear actuator equipped with top and bottom end limits. This actuator automatically stops at its top and bottom positions, eliminating the need to monitor its operating range. It handles this automatically. I believe this build will be more interesting than my previous one.
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🔰 3D models & Circuit diagram: drive.google.com/file/d/1RvHJ...
🔰 For more Projects : www.youtube.com/@PHYTION1/videos
🔰 For more information : www.instructables.com/Advance...
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How does a mechanical Linear Actuator works ?
A mechanical linear actuator is a device designed to convert rotational motion into linear motion, a process crucial in a wide range of applications from industrial automation to consumer electronics. The core mechanism typically involves a screw (or threaded shaft) and a nut. As the screw rotates, the nut moves along the shaft, translating the rotational motion into linear displacement. This movement can be powered by various means, such as an electric motor, a hand crank, or even hydraulic or pneumatic systems, depending on the specific design and application needs.
The precision and control offered by mechanical linear actuators make them a popular choice in scenarios where exact motion is required. For instance, they are widely used in robotics for precise movement control, in automotive applications for adjusting seats or mirrors, and in industrial machinery for controlling the movement of a component.
A key advantage of these actuators is their ability to hold their position when the power is off or when external forces are applied, due to the inherent resistance to back-driving in the screw and nut mechanism. This feature is particularly valuable in applications where maintaining the position is critical, like in satellite dish positioning or in solar panel adjustments.
In terms of design variations, there are several types of screws used in mechanical linear actuators, including ball screws, lead screws, and ACME screws. Ball screws offer high precision and efficiency and are used in high-end applications, whereas lead screws and ACME screws are more common in general-purpose applications due to their simplicity and lower cost.
When discussing mechanical linear actuators, keywords and search terms that are relevant include "mechanical linear actuator," "rotational to linear motion," "screw-and-nut mechanism," "precision motion control," "robotics," "automotive applications," "industrial machinery," "ball screw," "lead screw," "ACME screw," and "back-driving resistance."
These terms are essential for understanding the breadth of applications and the technical nuances of mechanical linear actuators, making them crucial for anyone looking to delve deeper into this area, whether for educational purposes, DIY projects, or professional applications.
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#linearactuator #motioncontrol #robotics #3dprinting
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Limit switch is ur best option
To your question @ 9:17 just use a double pole double throw switch
interesting use of push button for limit switch
yes. it's a good idea. but here,I can't found small size limit switches like push buttons. So i used these
Just use 2 diodes on the switches no need for relays, When upper limit is tripped diode allows voltage to bypass the open circuit only in reverse same for the lower switch 1N4001 (make sure of your amps). I just did thise to my gate opener as I did not like how the limit switches worked that were built in
Great idea, but can you explain the diode thing a bit.
Please send circuit daigram
Nice video! Why not 3d printing the tube as well?
Nice idea. However, there is one problem. The wall thickness of this PVC pipe is around 2mm. But if I 3D print a pipe with a thickness of 2 or 3mm, there is a high possibility it will break due to its layer-by-layer structure.
Adding a larger wall thickness would make it workable. However, thank you for your idea !
عالی بود داش ❤
متشکرم
Diodes on the end switches so they will stop but can always back off.
Ya... there is a possibility like that. I didn't think about it.
Are the mini-switches momentary ON or are they momentary OFF. NewB here...
momentary ON
damet garm
Show me