Finding a Second Hand Vector Motor for Warehouse Crane

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Discussion Overview

The discussion revolves around finding a second-hand vector motor for a warehouse crane that is currently non-operational due to a defective motor. Participants explore options for repair versus replacement and share potential sources for acquiring motors.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant inquires about the availability of a second-hand vector motor for a warehouse crane.
  • Another participant clarifies that a vector controlled motor, also known as Field Oriented Control (FOC), may be what is needed and suggests that the motor or its driver/controller could be repaired instead of replaced.
  • A third participant supports the idea of repair and mentions the possibility of looking for replacements, while also noting the availability of various motors and encoders online.
  • The original poster expresses a preference for full replacement to avoid future issues, despite the lengthy process involved, and seeks feedback on Dynapar as a potential supplier for vector motors and encoders.

Areas of Agreement / Disagreement

Participants generally agree on the potential for repair versus replacement, but there is no consensus on the best course of action, as opinions vary on whether to repair the existing motor or seek a replacement.

Contextual Notes

Participants have not fully explored the implications of choosing between repair and replacement, nor have they resolved the specifics of the motor's condition or the exact requirements for a suitable replacement.

Who May Find This Useful

Individuals or organizations dealing with warehouse cranes, particularly those facing issues with vector motors, may find this discussion relevant.

Matilda Salazar
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The crane that we use in our warehouse is not operational the repair tech said the vector motor is defective. Any recommendation as to where we can find a second hand vector motor?
 
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Do you mean a vector controlled motor ?

Vector control ( also named Field Oriented Control, FOC ) is used in context with synchronous- or induction motors. Maybe you can get the motor itself repaired ( a new coil ) or the failure could be in the driver/controller.

The advantage in repairing the motor is that you don't have to retune the controller, because the repaired motor will be identical to the original motor.
 
I agree with Hesh! One option is to consider a repair or otherwise you may look for replacements. However, If you still need help with vector motors. I saw some companies who can offer a wide range of motors and encoders in the internet.
 
Thanks for the responses. I am actually thinking of considering full replacement instead just to avoid recurrence but it will be another long process. This really takes a toll on us as our operations is being hampered.

Does anyone have a first hand experience on Dynapar? Checked out their site and they have a lot to offer (vector motor, various encoder including BEI encoder). Let me know please.
 

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