| 摘要 |
An apparatus to test integrity of a seal of a package. The apparatus includes a height detector detecting a height of the package, a test portion determining the integrity of the seal based upon a position of the test portion as a function of time when contacting the package, and a mover moving the test portion into an initial position of contact with the package based upon the detected height. The test portion includes a test head contacting the package, and the mover includes a servo motor driving the test head, and a ball screw linking the servo motor and the test head.
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