Pulp Paper & Logistics
PRODUCTS & SERVICES 25
Friction peel and tear tester helps optimise web-fed lines
pre-programmed for all the main industry standard friction-testing methods for paper and board has been introduced by UK-based Mecmesin. The FPT-H1 tester features
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fixtures for peel and tear testing, and is said to be ideally suited to the packaging industry, and for manufacturers, converters and users of sheet materials. Accurate measurement of the
coefficients of friction is vital when using sheet and web-fed machinery in which speeds must optimised for productivity if tearing, jamming and misfeeds are to be prevented. With an integral touch screen to access test routines, and guidance through each run, testing with
the FPT-H1 is said to require minimal training with maximum repeatability. For quality testing of seals, closures and perforations, and the tear strength of sheet materials, the FPT-H1 offers convenience and high throughput. Affordable for the smaller user, it is also robust and reliable for the more demanding environment. With Mecmesin’s powerful Emperor software for control, data acquisition and analysis, the FPT-H1 is also ideally suited to
detailed laboratory testing and extension into other tensile testing. The toughest paper and board
coefficient of friction standard is ISO 15359. By requiring a mechanised set-down and lifting mechanism and guide rails, it seeks to eliminate operator variance, and sled rotation and drift caused by surface variability (inks, embossing and textures). The FPT-H1 has these facilities as an optional built-in feature, with operation fully integrated into the
horizontal friction peel and tear tester designed for ease of use and supplied
supplied ISO 15359 test program. The FPT-H1 can be employed equally for tear and peel testing in packaging situations, including fixtures for 90 and 180 degree and T-peel standard methods, and trouser tear or perforation line testing.
Mecmesin managing director John Page said: “Mecmesin understands industry’s need for dedicated yet versatile testers. With the FPT-H1 we have put ease of use and clean design at the forefront. This is a market-leading machine suitable for continuous daily use, but also for finer and more detailed laboratory friction testing.” More information from Mecmesin Ltd, Newton House Spring Copse Business Park, Slinfold, West Sussex RH13 0SZ, UK. Tel: 44 1403 799 919. Website:
www.mecmesin.com
Suction roll lasts four years between grinds
A polyurethane-covered suction roll was in use at a fine paper manufacturer for almost four years before its first maintenance.
The mill said the SolarFlow suction roll from Voith had been in used for 1,438 days between grinding intervals, making it a potential record breaker. This is four times the running time of suction rolls with other types of cover. “We only achieved such a
remarkably long running time between two grinding intervals thanks to high performance roll covers combined with regular and comprehensive service,” said
Jochen Honold, global product manager for Voith’s mechanical roll service. The suction roll was completely dismantled at the Voith Service
Center in Ravensburg. This is a standard procedure which ensures that the causes of wear are discovered and can be rectified. “We perform a weak
point analysis for each roll that we get for service. This means that we can save our customers future repairs,” says Alexander Reutlinger, head of the Voith Service Centre in Ravensburg. The SolarFlow polyurethane
roll cover enables void volume to be maximised, which is said to be maintained over a long installation period due to its unique material properties. This ensures stable nip conditions, and therefore fast machine speeds with a high dry content and at the same time low energy consumption. More information from www.
voith.com/paper
March/April 2015
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