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Taking routine nip impressions can help identify:
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There is no "one-product-fits-all" approach but depending on your application needs Tekscan offers three solutions:
Nip impression paper is used to measure contact pressures and is as easy as passing the film through the nip rollers. The film structure consists of micro-encapsulated color forming and developing material. When pressure is applied to the film, a red color impression is formed in varying density according to the amount of pressure and pressure distribution.
Main features
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I-Scan is a versatile solution for optimizing a process or manufacturing parameters. The I-Scan nip impression sensor is placed in the nip for real-time roller pressure measurement. With a wide range of sensor form factors and data analysis tools in the software, I-Scan is a powerful tool for a research and development team to improve yield.
Main features
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NPAT is an advanced, easy-to-use tool used to capture nip footprints and relative pressure distribution between nip rollers. The system utilizes a sensor made up of an array of thin and flexible pressure sensitive bands, which can be configured to match the size of an application.
Main features
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Nip Impression Paper | I-Scan | NPAT | |
Primary Use | Maintenance tool | Instrumentation setup. Used by R&D engineers to optimize processes. | Maintenance & setup tool |
Data Captured | Static display of pressure that captures peak load only; No timing data | Real-time, dynamic display of contact area of the nip | Relative nip uniformity and pressure distribution |
Ideal Nip Roll Size | Cut to size | > 450 mm (18 in) | 450 mm (18 in) to 10,973 mm (432 in) |
Analysis Capabilities | Digital scanner; software only displays degree of pressure | Featured packed, robust software with in-depth analysis tools and features | Robust software with analysis tools and features |
Efficiency & Productivity | Single-use product with a cumbersome setup process | Reusable, mix and match sensors capturing in-depth analysis of nip contact area | Reusable sensors that capture changes in pressure distribution in real-time |
Proper pressure distribution between rolls allows for an efficient manufacturing process and the production of a uniform product. How can pressure mapping help?
Watch this 2 minute video to view the true value of the Nip Pressure Alignment Tool.
How can integrating pressure mapping technology into your machine design help you create the ultimate user-friendly machine? This free eBook explains!
I-Scan and Pressure Indicating Film are two technologies commonly used to verify nip uniformity. Which one is right for your operation?
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