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Slitter machines are designed to divide a large roll of material into multiple smaller coils. To ensure high-quality output, precise tension control is essential. This plays a crucial role in maintaining the product's yield and ensuring uniform transverse quality across all coils.
During the process, variations in the material’s thickness can lead to accumulated errors in each coil’s diameter. This results in inconsistent tension and speed, causing differences between coils. As a result, the elasticity of the material may vary, leading to uneven tension, with some coils being stretched too much due to excessive force.
Differential shafts help resolve these issues by allowing accurate control of the tension on each individual roll. The friction rings on the differential shaft operate under a specific torque, enabling smooth compensation for speed differences. This ensures consistent performance throughout the slitting process.
Depending on the material type, slitting width, thickness, and desired tension settings, selecting the appropriate differential shaft can significantly improve the outcome. Using a differential shaft enhances the automation level of the slitting machine, reducing manual intervention and improving speed and rewinding accuracy.
This technology is especially beneficial when working with expensive materials such as tinsel, battery separators, and special papers. By using differential shafts, the efficiency of the process is greatly improved, and production costs are reduced. It offers a reliable and cost-effective solution for achieving high-quality results in precision slitting applications.