| 摘要 |
A piezo linear drive including a group of piezo actuator stacks configured to drive a moving member located in a guidance device, and located on a joint substrate in a hybrid arrangement; wherein within a stack extending from the substrate a first stack part is configured as a longitudinal actuator and a second stack part is configured as a shearing actuator, the second stack part is equipped with a wear-resistant end plate which is in at least one of a clamping contact and shearing contact with the moving member, and at least two identical motors are located adjacent to each other in order to perform alternating clamping and advancing movements during a stepping operation.
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