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Head expanders and special fixtures

Guided head expander THS 80-440
(800x800 mm)

TIRA head expanders are manufactured from magnesium and provide an expansion of the armature table.

The unique design of the head expanders and special control strategies allow tests up to 2000 Hz (depends on resonance frequency). Head expanders especially provided with 'vibrodamp' can be subjected to test frequencies above 1000 Hz. This damping process reduces amplification of upper frequency resonances.

If a test needs excentric clamping of the testobject or higher transverse moments, TIRA also offers guided head expanders.

Apart from the range of standard head expanders TIRA also offers customized fixtures for round, square or rec tangular working areas up to 2000 mm lateral length or diameter.

Head expanders circular

Type

Size (mm)

for armature
diameter (mm)

THR 25-120 250 120
THR 25-180 250 180
THR 30-180 300 180
THR 30-230 300 230
THR 40-180 400 180
THR 40-230 400 230
THR 50-180 500 180
THR 50-230 500 230
THR 50-340 500 340
THR 60-180 600 180
THR 60-230 600 230
THR 60-340 600 340
THR 80-340 800 340
THR 80-440 800 440
THR 80-640 800 640
THR 100-440 1000 440
THR 100-590 1000 590
THR 100-640 1000 640
THR 120-440 1200 440
THR 120-590 1200 590
THR 120-840 1200 840
THR 150-590 1500 590
THR 150-840 1500 840

Head expanders square

Type

Size (mm)

for armature
diameter (mm)

THS 30-120 300 x 300 120
THS 30-180 300 x 300 180
THS 40-180 400 x 400 180
THS 40-230 400 x 400 230
THS 50-180 500 x 500 180
THS 50-230 500 x 500 230
THS 50-340 500 x 500 340
THS 60-180 600 x 600 180
THS 60-230 600 x 600 230
THS 60-340 600 x 600 340
THS 60-440 600 x 600 440
THS 80-340 8 00 x 800 340
THS 80-440 800 x 800 440
THS 80-640 800 x 800 640
THS 100-440 1000 x 1000 440
THS 100-590 1000 x 1000 590
THS 100-640 1000 x 1000 640
THS 120-440 1200 x 1200 440
THS 120-590 1200 x 1200 590
THS 120-840 1200 x 1200 840
THS 150-440 1500 x 1500 440
THS 150-590 1500 x 1500 590
THS 150-840 1500 x 1500 840

Fixtures

In order to perform multi-axis vibration tests, L & T fixtures and cubic designs, as well as specially engineered  support  fixtures  can  be  manufactured  to  meet  any  particular  testing  requirements.

The special design of these fixtures allows tests of up to 2000 Hz.

L-Fixtures

Type

Size (mm)

Fix-L 20200 x 200
Fix-L 26 260 x 260
Fix-L 30300 x 300
Fix-L 40400 x 400

T-Fixtures

Type

Size (mm)

Fix-T 20200 x 200
Fix-T 26 260 x 260
Fix-T 30300 x 300
Fix-T 40400 x 400

Cubes

Type

Size (mm)

Fix-C 20200 x 200
Fix-C 26 260 x 260
Fix-C 30300 x 300
Fix-C 40400 x 400

Download Head expanders