How to adjust the rewinding roll tightness on Fabric Inspection & Rolling Machine?

The hand wheel could adjust the speed difference of two pulleys. The two pulleys are connected with the twin rewinding rollers separately. If there is speed difference between the two pulleys, there is also speed difference between the two rewinding rollers which could result in tight or loose fabric rolls. In this respect, the hand wheel could control the roll tightness through different speed. Same function on Fabric Inspection Machine and Fabric Rolling Machine

hand wheel

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