5 tons galvanized steel coil hydraulic decoiler - Tianjin ...
There is a sensor. If the coil between uncoiler and roll forming machine is tight, the sensor will let the uncoiler go forward. If the coil between is loose, the sensor will let the uncoiler stop. So it is more convenient and more stable.When you have a steel coil,but you need plane steel panel,you will use this hydraulic decooiler machine
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