- #1
How to Calculate Required Torque for Mini Servo on Slider?
- Thread starter mountainchicken46
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- Calculation Torque
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To calculate the required torque for a mini servo moving a load on a slider, it's essential to consider whether the goal is to simply hold the load or to accelerate it. The discussion emphasizes the need for details about the mechanism's configuration, including the number of parts and their movements relative to a fixed frame. The user specifies a desire to move a heater mounted on the slider at a constant velocity of 0.5 m/s, which necessitates variable crank speed control. Additionally, the limitations of the slider's range are highlighted, indicating that velocity must decrease as it approaches the ends of the range. Understanding these dynamics is crucial for accurately determining the necessary torque.
- #2
berkeman
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Welcome to PhysicsForums. 
You go first...mountainchicken46 said:
- #3
Dr.D
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What you have is a highly offset slider-crank mechanism.
Are you concerned with simply holding the slider against a load, or do you want to accelerate the slider? If you want to accelerate the slider, then at what rate? You need to give us a bit more to work with.
Are you concerned with simply holding the slider against a load, or do you want to accelerate the slider? If you want to accelerate the slider, then at what rate? You need to give us a bit more to work with.
- #4
Baluncore
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I am confused.
How many separate parts are there ?
What can move relative to what ?
What bits are the fixed frame or chassis ?
How many separate parts are there ?
What can move relative to what ?
What bits are the fixed frame or chassis ?
- #5
mountainchicken46
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I want to move the load (it is actually a heater) that was mounted on the slider at 0.5m/s either to the left or right.Dr.D said:
- #6
Dr.D
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A constant velocity on the velocity will require a variable crank speed. Are you prepared to control crank speed to vary in a specific way?
I hope you are aware that the slider moves only over a limited range. As you approach the ends of the range, the velocity must approach zero in order to reverse. Is this satisfactory for your purposes?
I hope you are aware that the slider moves only over a limited range. As you approach the ends of the range, the velocity must approach zero in order to reverse. Is this satisfactory for your purposes?
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