How to adjust the dancing roller as per different fabric GSM?

The dancing roller in Fabric Inspection Machine is used to adjust the fabric tension.

Heavy Fabric: the counter weight has be moved away from the dancing bars, or to add more counter weights.

Lighter Fabric: the counter weight has to be moved closer to the dancing bars, or to reduce counter weights.


Dancing Roller Working Principle:

When the speed is different, the potentionmeter in the dancing roller will send signal to the related inverter for the motor to adjust the speed to the same.


Now the fabric roll fall out of the unwinding roller when the dancing bar is in the up position, but it is fine when it is down.

This means in that moment(from down to up)there is no enough time for the potention meter to send signal to the inverter to adjust the speed into same level.

Our solution is to adjust counter weights to the right, or add more counter weights, so the dancing roller will rise to the top faster, which can send the signal faster.

Finally, the unwinding and inspection speed can be adjusted in the same level in time, so the fabric roll will notfall out.

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