| 摘要 |
PURPOSE:To reform unbalance of motion due to a delay in the cooling speed of shape memory alloy wires and to enable increase of a speed, by a method wherein a machine spring is mounted to an actuator employing a pair of shape memory alloys wires. CONSTITUTION:A slider 13 is coupled to a pair of shape memory alloy wires 1 and 2 therebetween. A machine spring 3, having a set load being an intermedi ate value between a load under the high temperature state and a load under the low temperature state of the shape memory alloy wires 1 and 2, is coupled to either of the shape memory alloy wires 1 and 2. After the one shape memory allow wire 2 is heated and the other shape memory alloy wire 1 is cooled, and when, conversely, the shape memory alloy wires are cooled and heated, a delay in the cooling speed of the shape memory alloy wire 2 being cooled is compensated through expansion of the machine spring 3. |
