Electromechanical Creep Testing Machines

Electromechanical creep testing machines KAPPA Multistation for plastics
Kappa SS

Kappa SS

The Kappa SS creep-testing machine is equipped with a central lead screw and is suitable for creep tests and advanced creep tests requiring maximum precision in force control.

  • Load frame with single lead screw drive and precision guidance provided via 4 steel columns, giving precise axial loading and maximum durability
  • Load string with optimum alignment properties in accordance with ASTM E292
  • High-resolution force and travel measurement for optimum control properties, especially at very low test speeds
  • Constant moving crosshead speed via precision central ball screw
  • Optional digital closed-loop force and strain control
  • Creep tests and stress relaxation tests; user-programmed load-cycles
  • Large range of machine accessories for flexible application options, complemented by intelligent electronics and software
Kappa SS  CF

Kappa SS - CF

The Kappa SS - CF creep testing machine is equipped with a central lead screw and is suitable for creep tests and strain-controlled creep fatigue (CF) tests requiring maximum precision in strain control. Together with the non-contact videoXtens HT/TZ extensometer, maximum flexibility and outstanding control characteristics are combined in an innovative testing machine.

  • Applications: creep tests, creep fatigue tests, creep fatigue interaction and relaxation tests; user-programmed load cycles
  • High precision gears and servo motor placed centrically in the load line, moving up and down with the moving crosshead
  • In comparison to standard electromechanical creep testing machines, the Kappa SS - CF creep testing machine stands out because of its excellent linearity force-deflection curve with backlash-free zero crossing 
  • Virtually play-free drive is patent pending: special load train bearing ensures optimum alignment properties in accordance with ISO 23788 and NADCAP requirements
  • Load frame with single lead screw drive and precision guidance provided via 4 steel columns, giving precise axial loading and maximum durability
  • High-resolution force and travel measurement for optimum control properties, especially at very low test speeds
  • Constant moving crosshead speed via precision central ball screw
  • Optional digital closed loop control for force and strain
  • The large range of machine accessories offers flexible application options, which are complemented by testControl intelligent electronics and testXpert software.
Kappa DS

Kappa DS

The Kappa DS creep testing machine is equipped with a double lead screw and is designed for creep tests and advanced creep tests. High flexibility is combined with maximum precision in a single testing machine.

  • Load frame with double lead screw drive and precision guidance provided via 4 steel columns, giving precise axial loading and maximum durability
  • Large crosshead travel allows machine to accommodate a wide range of specimens and tests
  • Load string with optimum alignment properties in accordance with ASTM E292
  • High-resolution force and travel measurement for optimum control properties, especially at very low test speeds
  • Constant moving crosshead speed of +/-0.1% of specified speed in a measurement range from 1 µm/h to 100 mm/min
  • Selectable digital closed loop force and strain control Creep tests and stress relaxation tests; user-programmed load cycles
  • Large range of machine accessories for flexible application options, complemented by intelligent electronics and software
Kappa Multistation

KAPPA Multistation for Plastics

The Kappa Multistation electromechanical creep testing machine is a flexible, compact and precise creep testing machine equipped with individually controlled test axes. It was designed especially for the analysis of the creep behavior of plastics and polymer materials at modern R&D laboratories. This creep testing machine provides advanced solutions for applications such as creep tensile and creep flexure tests to ASTM D2990

and to ISO 899-1 (tensile) and -2 (flexure). The versatility of the system can be enhanced with further applications like quasi-static tensile, flexure, and relaxation tests. The Kappa Multistation for plastics combined with a Multistation optical strain measurement system and a temperature chamber is currently available for creep testing applications with force capacities ranging from 5 N up to 10 kN per axis.

  • Versatile creep testing system with 5 or 6 independent controlled test axes in one test frame
  • Extremely cost efficient and compact design
  • Rigid load frame construction
  • Combination with non-contact videoXtens strain measurement system
  • videoXtens extensometer does not affect the specimens (which is required by the standards)
  • Ability to integrate one or two temperature chambers; comprising all test axes for a complete and profound analysis of the specimen material properties at different temperatures such as tests according to the stepped isothermal method (SIM)
  • Different simulated environmental conditions
  • High-precision load cells mounted on moving crosshead
  • Test monitoring and analysis with special testXpert II Multistation software
Accessories

Accessories

If you require maximum precision and reliability, the Kappa series of creep testing machines is for you. The following accessories are also available:

  • High-temperature furnaces for metals (temperature range +100/200°C to 1,200°C)
  • High-temperature furnaces for ceramics (up to 1,600°C)
  • Temperature chambers (temperature range -80°C to + 280°C/optional +350°C)
  • Temperature controller
  • Mechanical high-temperature extensometer with axial or horizontal sensors
  • Optical high-temperature extensometer with laser speckle technology
  • High-temperature load string for electromechanical and lever arm creep testing machines
  • testControl electronics and testXpert software: This easy-to-use system is equipped with state-of-the-art technology and based on a versatile modular concept, guaranteeing maximum data security. The large number of test program types allow the requirements of a wide range of standards, applications, and test types to be accommodated.

High-temperature adapter:

  • Standard adapter for threaded specimens in metric and Imperial/US dimensions
  • Standard adapter for flat specimens and pipe section specimens
  • Standard adapter for CT specimens to ASTM E1457 for crack propagation creep tests
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