Transfer apparatus and method of operating same
Abstract:
A transfer apparatus includes first and second holding portions, a hand, a hand moving portion, and fluid pressure driving and control units. The control unit acquires an inter-holding portion distance between the first and second holding portions for holding a workpiece. The control unit makes the hand moving portion move the hand to a predetermined position such that the distance between the first and second holding portions becomes the inter-holding portion distance when the first holding portion moved by the fluid pressure driving unit is brought into contact with a contact portion provided at a work field, the predetermined position being located away from the contact portion. With the hand located at the predetermined position, the control unit makes the fluid pressure driving unit move the first holding portion to contact with the contact portion, and the control unit stops driving of the fluid pressure driving unit.
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