| 摘要 |
A three-point clamping system for a multiple types of annulus gears is provided to eliminate the necessity of replacing a loader in accordance with the type of the annulus gear, and prevent damage of gears by allowing for accurate clamping through ball pins. A three-point clamping system comprises a first loader(100) and a second loader(200), a spherical ball pin(300), and a pneumatic unit. The first loader and the second loader are arranged in a vertical direction, and have lower ends with clamping portions(110,210) perpendicularly protruded. The ball pins are arranged at a center of the clamping portion of the first loader and both sides of the clamping portion of the second loader, so that the ball pins are extensible/retractable by air pressure. The pneumatic unit moves the first loader and the second loader in a vertical direction, and transfers the loaders in a horizontal direction.
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