The silicone sleeves that coat the discharge rollers are made of dielectric material, which is essential for the proper operation of corona treaters. For this reason, they must be replaced periodically. They are also subject to wear, especially with thick films or high production speeds.
The new system makes it possible to replace worn, damaged or punctured sleeves quickly, without risk or physical effort.
Changing sleeves manually can be a tedious and risky process, especially when changing sleeves on large rolls. In such cases, at least two operators are required to lift the roll and place it on the worktable, and the operation requires considerable physical effort.
In addition, during manual operations, dust, machining debris or dirt can contaminate the surface to be coated, reducing the effectiveness of the corona discharge or damaging the sleeve and roll. The need for precision movements increases the risk of error or accidental damage.
How it works
- The roll to be sleeve-coated is placed on the machine.
- The machine's motorised system controls the coating of the roll, ensuring smooth and even coating throughout the process, without operator intervention.
- Operators check the result and ensure that the sleeve adheres well, without wrinkles or irregularities.
- Once the coating is in place, the machine is easily moved thanks to its wheels.
Advantages
- Speed and efficiency: the sleeve is changed quickly, reducing machine downtime and optimising production efficiency
- Accuracy: the sleeve is fitted correctly and accurately
- Safety: the risk of injury from physical handling of heavy rolls is eliminated
- Contamination: the operation is carried out in a controlled manner with minimal manual contact to avoid contamination of the roll surface, which can affect the quality