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Head expanders and special fixtures

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 25-120250120
THR 25-180250180
THR 30-180300180
THR 30-230300230
THR 40-180400180
THR 40-230400230
THR 50-180500180
THR 50-230500230
THR 50-340500340
THR 60-180600180
THR 60-230600230
THR 60-340600340
THR 80-340800340
THR 80-440800440
THR 80-640800640
THR 100-4401000440
THR 100-5901000590
THR 100-6401000640
THR 120-4401200440
THR 120-5901200590
THR 120-8401200840
THR 150-5901500590
THR 150-8401500840

Head expanders square

Type

Size (mm)

for armature
diameter (mm)

THS 30-120300 x 300120
THS 30-180300 x 300180
THS 40-180400 x 400180
THS 40-230400 x 400230
THS 50-180500 x 500180
THS 50-230500 x 500230
THS 50-340500 x 500340
THS 60-180600 x 600180
THS 60-230600 x 600230
THS 60-340600 x 600340
THS 60-440600 x 600440
THS 80-340800 x 800340
THS 80-440800 x 800440
THS 80-640800 x 800640
THS 100-4401000 x 1000440
THS 100-5901000 x 1000590
THS 100-6401000 x 1000640
THS 120-4401200 x 1200440
THS 120-5901200 x 1200590
THS 120-8401200 x 1200840
THS 150-4401500 x 1500440
THS 150-5901500 x 1500590
THS 150-8401500 x 1500840

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.

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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