The small-sized film rolls of thermal transfer ribbons require very high slitting accuracy of the ribbon slitting machine and have strict restrictions on width tolerance.
The polyester film of the TTR substrate itself is very thin and can easily be damaged during processing, affecting product quality. Especially during long-term operation, the ribbon needs to be kept parallel to the tube core during rewinding, and the accuracy of key components such as rollers decreases due to wear, which may cause a series of flatness problems such as stripes and wrinkles. When the edge is subjected to excessive force, it may also break.
In addition, the slitting speed must be controlled according to the process requirements. The speed cannot be blindly increased in order to improve the slitting efficiency. In actual work, the specifications and types of different ribbons should be subdivided, and the process parameters should be adjusted and optimized according to the quality of the finished film rolls to find the best application state of the slitting equipment.
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