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Choose potensiometer

Discussion in 'Motor actuators and drivers' started by tselehub, Dec 19, 2023.

  1. tselehub

    tselehub New Member

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    in my country its hard to find potensiometer like all this here. Can i use this?

    [​IMG]

    Specifications
    Manufacturer     SR Passives
    Potentiometer type shaft
    Kind of potentiometer multiturn
    Resistance 10kΩ
    Power 2W
    Tolerance ±5%
    Shaft diameter 6.35mm
    Characteristics linear
    Body dimensions ˜22 x 18mm
    Track material wirewound
    Number of electrical turns 10
    Shaft length 13mm
    Potentiometer features precise
    Linearity tolerance ±0.25%
    Operating temperature 55...125°C
    Shaft surface smooth
    Min. insulation resistance 1000MΩ
    Shaft material metal
    Mechanical durability 250000cycles
    Fastening thread M9x0,75
    tselehub, Dec 19, 2023
    #1
  2. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    noorbeast, Dec 19, 2023
    #2
  3. tselehub

    tselehub New Member

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    tselehub, Dec 19, 2023
    #3
  4. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    3DOF, DC motor, JRK
    noorbeast, Dec 19, 2023
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  5. delahaye

    delahaye Member

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    Hi, if i could explain more, you should pay attention that the movement of your arm out of the motor have an angle less than 180 degrees. The optimal is that your potentiometer do his maximum range in this degrees. More précision. If you put potentiometer 1 round at the axle of the moteur, it's running only for 180 degrees. The half. Put it on gear 1/2 for 180 degrees axle, 1 round potentiometer... it's the best ( your potentiometer must be 10kohm 1 round) take care to take mechanical gap for safety.
    delahaye, Jan 8, 2024
    #5