| 摘要 |
PROBLEM TO BE SOLVED: To provide a motor integrated type pressurizing unit for motor driven welding of compact and good operability by integrating a motor shaft and a screw shaft, shortening the pressurizing unit as well as reducing a moment of inertia. SOLUTION: In a pressurizing unit for motor driven welding arranged with a pressurizing shaft 10 driven by a motor 1, a motor shaft 5 is extended in the output direction, a male screw 9 is formed to the other end side of an extended motor shaft 7 and is engaged to a female screw 14 formed to an inner face of the pressurizing shaft having a rotation stop mechanism 13 to the male screw 14.
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