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Contents Page
The Zwick Roell-Group .................................................................................................................................. 2
Paper and paper based materials ................................................................................................................... 3
Quality control - a key function leading to cost- and function optimized products ........................................... 3
Test Standards - required for comparable results ............................................................................................ 4
Test Methods, Standards and Testing instruments .......................................................................................... 5
Zwick Roell-Materials Testing Machines: zwicki-Line, ProLine, and Allround-Line ............................................ 8
Features of the ProLine, Standard, and Allround line ..................................................................................... 10
Zwick Roell Test Software testXpert® II .......................................................................................................... 11
Test Methods in the paper industry ............................................................................................................... 13
Specimen preparation .................................................................................................................................. 35
Customer specific tests ................................................................................................................................ 36
Laboratory data acquisition ........................................................................................................................... 38
Automation .................................................................................................................................................. 39
Sources listing .............................................................................................................................................. 39
Producing companies, Sales and Service companies ................................................................................... 40
The Zwick Roell Group
Mechanical-technological testing is the oldest discipline
in materials testing. Its importance has constantly
grown to date. In the 15th and 16th centuries, Leonardo
da Vinci and Galileo Galilei already expressed
thoughts about flexure loading and the elastic properties
of materials. The first testing machines for these
purposes were made in the middle of the 18th century
in France.
The Amsler company in Gottmadingen (formally in
Schaffhausen, Switzerland) has been involved with
materials testing since the middle of the 19th century.
The Roell & Korthaus company started producing
instruments, machines and systems for material testing
in 1920. Zwick started producing instruments in 1937.
The Zwick Roell group of companies was brought
together in 1992, and now markets a complete line of
systems from hand operated hardness testers to
complex computerized testing systems.
This brochure gives an overview of the instruments,
machines and systems of the Zwick Roell Group for
paper-based materials. Its purpose is to give suggestions
and hints to all, who have even the smallest
interest in paper testing.
Many years of experience, a multi-tude of delivered
equipments and constant communications with users,
are the basis of our machines and instruments.
Fig. 1: Paper then and now
We achieve high flexibility and „intelligence“ of our
systems with modern mechanics, high performance
electronics and user-oriented software.
The performance of the Zwick Roell Group reaches far
beyond the delivery of testing instruments. The company
was certified to DIN EN ISO 9001 in 1994, which
guarantees a high degree of product and service
quality. As an accredited DKD Calibration laboratory,
Zwick is also authorized to check and calibrate testing
systems. Internationally recognized certificates help to
compete in international markets.
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