The NPAT is used to capture nip footprints and relative pressure distribution between nip rolls. The NPAT sensor band array can cover a very large area while utilizing one data acquisition handle.
The Nip Pressure Alignment Tool™ (NPAT™) is a complete nip pressure and force measurement tool that takes the guesswork out of machine set-up. By using real-time data, the NPAT verifies uniform pressure and nip contact. The tool measures and displays, in real-time nip widths between 6.35 mm (.25") and 215.9 mm (8.5").
Check out this short video to see how NPAT can capture critical nip roll uniformity data in minutes!
There are several key features and benefits that ensure maximum usability for operators of the system:
The NPAT™ is a system used to capture nip footprints and relative pressure distribution between nip rolls. 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 your roll. The data provided by the NPAT ensures machine set-up and proper roll alignment resulting in a higher production yield.
There are nine standard systems that each have their own spacing. All systems have a nip sensing width between 44.45 mm (1.75 in.) and 223.5 mm (8.80 in.). The system is able to measure pressures of up to 4,500 psi.
* 5700 Sensing Band (1 column per band; MAX 13 bands/13 columns) is used to make sensors between 457.2 mm (18”) and 6,400.8 mm (252”).
** 5707 Sensing Band (1 column per band; MAX 17 bands/17 columns) is used to make sensors between 1,524 mm (60”) and 10,000 mm (396”).
The 5705*** system has 5 columns per band and the spacing of the columns is locked at 25.4 mm (1"). This system is ideal for smaller rolls in the film and converting industry.
The software included has a simple user interface that allows for fast and efficient machine set-up. It has a streamlined set of features that allows the suer to easily identify nip uniformity. The pressure distribution across each band is displayed and can be saved as a snapshot of the image. More features include:
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