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What are the faults of micro DC motor?

2020-10-20 16:17:00


Through the recent investigation and return visit to customers, we found that many customers do not understand the micro DC motor very well, hope the manufacturer can further explain. Today, I'll share the relevant information with you, hoping to inspire and help you.
1. Winding fault: the winding has turn to turn short circuit fault; there are two or more contacts between the winding and the shell, resulting in ground fault.
2. Winding connection: incorrect connection of components; wheel Micro DC motor The length or sectional area of connecting wire and lead wire does not meet the requirements. Check the connection rules of winding elements and correct the wrong ones.
3. In the aspect of conductor fracture, the connecting wire is broken at the junction of connecting wire; the wire at the winding lead or bending point is broken; the wire in winding wire or parallel branch has fracture. Use the instrument to check, gently shake the wire, the instrument pointer will swing with it, the broken wire can be easily checked with test lamp or insulation resistance meter, and then weld it again.
4. Specification of electromagnetic wire: the thickness of magnetic wire is uneven, one section is qualified, and one section is unqualified.
5. In terms of rewinding technology, the size of the micro DC motor coil is inconsistent, the number of turns of the coil is not correct, and the tension is uneven.

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