6mm Vibration Motor Starting Badness

Badness Content

Model

Z0612 Mini Motor

Explain:

 Received 10PCS

badness samples

Badness Item

Starting Badness

Badness Quantity

10 pcs

Lot

20,000 pcs

Ship Time

Nov. 25,2012

 Recheck Result

Model

Z0612

Remark:

6pcs are good.

Badness Item

Starting Badness with cacophony

Badness Quantity

4pcs

Defect Analysis:

It was not in time to clean up the needle of the hole of the overhauling bearing, so that it left some metal foam. The metal foam deposited on the top of the bearing when the motor operating. It affected the motor operation with cacophony.

Improving Method:

Cleaning up the needle per half an hour

Stock Manage:

No stock.

Trace:

Badness have been controlled, close the badness contact.   YES

Badness hasn’t improved, transfer to

Remark: