The unwinding equipment and rewinding equipment all adopt air-expansion shaft to bear roll materials, assuring fast replacement, even supporting force and accurate centering.
放卷、收卷均由气胀轴支撑料卷，更换快捷、撑力均匀、定心准确。
2
The shaft is provided with a micrometer adjustment at the thrust bearing to permit proper centering of impeller in casing.