Using a motor to move something 90 degrees

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Discussion Overview

The discussion revolves around the design and implementation of a motorized system to rotate a piece of metal by 90 degrees using a switch. Participants explore various motor types and mechanisms suitable for this application, considering both the activation and stopping of the motor.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification

Main Points Raised

  • One participant seeks guidance on purchasing a motor that can be activated by a switch to rotate a metal piece 90 degrees.
  • Another participant suggests that a simple switch and motor may not suffice, emphasizing the need for a mechanism to stop the motor after rotation.
  • There is a clarification that the desired functionality includes the ability to return the metal piece to its original position by flipping the switch in the opposite direction.
  • A participant expresses uncertainty about the existence of a premade solution for this specific requirement.
  • One suggestion includes the use of a servo motor, which may be suitable for the task.
  • Another participant proposes a mechanical approach involving a DC motor connected to a gear system, with the addition of limit switches for stopping the motor.

Areas of Agreement / Disagreement

Participants generally agree on the need for a motor and a switch, but there is no consensus on the specific type of motor or mechanism to achieve the desired rotation and stopping functionality. Multiple competing views on the approach remain unresolved.

Contextual Notes

Participants have not fully explored the technical specifications of the motors or the exact requirements for the mechanical setup, leaving some assumptions and details unaddressed.

Who May Find This Useful

Individuals interested in hands-on engineering projects, particularly those involving motorized systems and mechanical design.

asaper
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Hi everyone, learning a bit of hands on engineering and have no idea what to search in order to buy what is needed. I am looking for a motor that can be activated by a simple switch on a wire that will rotate a piece of metal 90 . degrees. Excuse the poor image but hopefully someone can point me in right direction for this project.

sRbaEey.png
 
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You are going to need more than just a switch and a motor, I think. The switch can tell the motor to turn but you have to have something to tell the motor to stop turning. How about the reverse? Do you want the piece to be able to rotate back to its original position?
 
Yeah basically to throw a switch that will move it 90 degrees one way and then flip it the other direction to move it 90 degrees back to the original starting position. Is there anything premade that might work for this?
 
asaper said:
Yeah basically to throw a switch that will move it 90 degrees one way and then flip it the other direction to move it 90 degrees back to the original starting position. Is there anything premade that might work for this?
Doesn't sound like anything I've ever heard of but just 'cause I don't know doesn't mean it doesn't exist.
 
asaper said:
Hi everyone, learning a bit of hands on engineering and have no idea what to search in order to buy what is needed. I am looking for a motor that can be activated by a simple switch on a wire that will rotate a piece of metal 90 . degrees. Excuse the poor image but hopefully someone can point me in right direction for this project.

sRbaEey.png
Have you considered using a servo motor?
 
If the rods are hinged attach a large gear to one of them parallel to the horizontal i.e. like a hand grinder with 2 handles. Then connect a simple DC motor to it via a smaller gear. Use a 2 way switch to operate the motor.

If you need stops use limit switches and a few more wires
 

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