HC Series
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HC Series - 1

Product Information Servo-hydraulic load frames - HC range HC load frame with base Drawing: HC load frame Range of application The HC frame is designed as a table-top model for forces up to 25kN. With the testing actuator mounted in the upper crosshead, the testing machine can be used for both standard fatigue tests and flexure and compo‐ nent tests. The integrated hard-chromed T-slotted plat‐ form is suitable for tests with corrosive media, e.g. saline solutions, as frequently used in biomedicine. The frames also feature extremely precise alignment; following installation of the testing actuator and load cell, alignment accuracy is +0.1 mm per meter separa‐ tion; at distances below 350mm the offset is constant at 0.05mm. Plane-parallelity of mounting surfaces is equal to or better than 0.03 mm per 100 mm. All fixtures and ZwickRoell load cells are mounted via flanges with centering-spigot. An alignment unit is also optionally available in the product range. Description of operation These compact 2-column load frames are designed for materials and component testing under dynamic alter‐ nating loads in a closed force-flow. The frame is supported on vibration-isolating leveling units Installation on a stable, sturdy table or workbench is suitable for normal operation. For critical tests or installation condi‐ tions and high test frequencies it is advisable to install the frame on the optional concrete base. A particularly space-saving arrangement is possible when the HC is used in combination with the 11-liter/minute low-noise power-pack, the noise-insulated power-pack serving as the base. The load cell can be attached to the table top or the piston rod, depending on the type of test. If standard specimen grips are used, mounting on the fixed lower crosshead is advisable. The frame possesses high axial and lateral stiffness, enabling lateral forces which may occur in compression and flexure tests to be absorbed without difficulty. The frame is also suitable for combined tension or compres‐ sion/torsion loadings. Advantages and features • 2-column frame for dynamic tests up to 25kN. • Testing actuator located in upper crosshead. • Suitable for 10 kN and 25 kN axial actuators. • Suitable for combined tensile and compression/ torsion actuator with maximum torque of 250 Nm. • Hard-chromed T-slotted platform and columns for tests in corrosive media. • The entire test, together with set-up and control of automatic extensometers and specimen grips, is run via the display-equipped remote control unit. • Wide accessory range: temperature chamber, compression platens, specimen grips, flexure test kit etc. • Optional hydraulic adjustment for easy positioning of upper crosshead. • Safety housing for compliance with CE Machinery Directiv

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HC Series - 2

Test area height Standard Dynamic nominal force 25 A - max. height of test frame 1325 Agioo - max. test-frame height with 1865 100mm-stroke actuator Ag250 - max. test-frame height with 2165 250mm-stroke actuator B — max. width of test frame 660 C - max. depth of test frame 450 D1 - distance between columns 460 F - height of top edge of lower crosshead 75 G - max. test area height1) 1070 H - max. working test area height2) 310 to 1010 Frame stiffness at 1000mm crosshead 300 separation Clamping/ adjustment: manual/ 1037238 manual Clamping/ adjustment:...

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