FIELD: stationary and portable apparatuses for forming vertical, horizontal or inclined holes in glass, concrete, ceramics, stone or similar materials.
SUBSTANCE: ultrasonic oscillation system is subjected to rotation and abrasive suspension is fed under pressure through center of working tool. Novelty is contact free inductive transmission of energy from generator to electrodes of rotating piezoelectric transducer.
EFFECT: high velocity of dimension working, possibility for making deep holes.
3 dwg
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Authors
Dates
2005-04-27—Published
2003-10-02—Filed