Custom solution for the biomedical sector
The main challenge was to improve the stability of the multi-position rotating table supporting the ophthalmic diagnostic instruments. During the examination, the pressure applied by the patient to the instruments could cause slight movements or vibrations, affecting the accuracy of the visual measurements and, in some cases, making it necessary to repeat the examination. The existing locking system was also bulky, consisting of large electromagnets and numerous mechanical components, increasing assembly time, design complexity and production costs.
Working closely with the customer, Telcomec developed a backlash-free electromagnetic face-tooth brake designed to ensure stable locking of the multi-position rotating table throughout the examination.
When the electromagnetic coil is energised, the magnetic field pulls the toothed plate towards the brake body, engaging the face teeth and locking the table in position. To rotate the table and move to the next instrument, the power supply is switched off: the release spring disc disengages the toothed plate, allowing the table to rotate freely. The brake is electrically operated by means of the remote control used by the clinician.
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