| 摘要 |
A piezoelectric stepping motor comprises a cylindrical housing (1), fixing units and a movable part (4). The fixing units comprise at least two rotary-shifting-fixing piezoelectric units (2,3) which are arranged one behind the other in a longitudinal plane. Each piezoelectric unit (2,3) comprises a rotary piezoelectric cell (5), a shifting piezoelectric cell (6), a fixing piezoelectric cell (7) and a friction element (9) separated by insulators (8). |
