| 摘要 |
A method for producing a piezoelectric actuator ( 8 ) with a multilayer structure of layers of a piezoelectric sheet ( 3, 4 ), and with inner electrodes disposed between them, is proposed, in which the individual layers are formed of two continuous strands ( 3, 4 ) of the piezoelectric sheet, and the two strands ( 3, 4 ) are wound over one another in the form of a double helix to form a hollow-cylindrical stack, thereby enclosing the inner electrode between them. The two strands ( 3, 5 ) are preferably guided over deflection rollers ( 5, 6, 7 ) in such a way that the overlays of the two strands ( 3, 4 ) on the already-wound stack are offset from one another by a predetermined angular amount.
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