| 摘要 |
A grasping method by a grasping apparatus that is provided with a grasping portion that has a plurality of pawl portions, and a plurality of contact portions that are provided on portions of the plurality of pawl portions, which contact a workpiece, and that are able to be hardened, includes conforming the contact portions to an outer shape of a master workpiece that has an outer shape that is able to deform the contact portions to a shape for positioning the workpiece (STEP-02); hardening the contact portions in a state conformed to the outer shape of the master workpiece (STEP-03); positioning the workpiece by pushing the workpiece with the contact portions having the shape for positioning the workpiece (STEP-04); and grasping the positioned workpiece with the grasping portion by hardening the contact portions while keeping the contact portions in the shape conformed to the outer shape of the workpiece (STEP-06 and STEP-07). |
