Twist correction device and twist correction method

A twisted wire correction device, comprising:

• an electric wire holding section configured to hold a twisted wire at a location of the twisted wire which is spaced further away from a tip of the twisted wire on one end side than a root for untwisting the twisted wire, the root being spaced from the tip by a predetermined distance;
• an untwisting mechanism including a pair of gripping elements configured to grip the twisted wire between the root and the tip while the twisted wire is held by the electric wire holding section,
• wherein the pair of gripping elements is configured to:
• grip the twisted wire in a twist gripping direction intersecting a direction of extension of the twisted wire;
• and
• to slide together from a root side to a tip side of the twisted wire while performing a relative stroke position offset movement of the pair of gripping elements in a direction of untwisting for untwisting the twisted wire, the direction of untwisting intersecting both of the direction of extension and the twist gripping direction;
• and
• a controller configured to perform operation control of the untwisting mechanism,
• wherein when the pair of gripping elements is positioned on the root side, the controller is configured to perform the operation control to operate the pair of gripping elements with a smaller gripping force in the twist gripping direction as well as a smaller operation force and a smaller position offset amount for the stroke position offset movement than when the pair of gripping elements is positioned on the tip side.