| 摘要 |
PROBLEM TO BE SOLVED: To suppress run-out at a distal end of a screw when screwing the screw, in an automatic screw tightening machine.SOLUTION: This automatic screw tightening machine includes a driver bit 20 engaged to a head part of the screw 18 to screw a screw part 18A of the screw 18 into an object, and rotates the driver bit 20 and moves the driver bit 20 in a direction attachable/detachable to/from the object. The head part of the screw 18 is brought into contact with a circular-arc groove, an intermediate part of the screw part 18A is brought into contact with a feeding claw, and a distal end side of the screw part 18A is inserted into a guide groove 78 of a slide guide 76, to prevent run-out on the distal end side of the screw part 18A. |
