Planeness testing apparatus

Details Planeness testing apparatus Planeness testing apparatus

2008-04-25

2010-06-29

Guadalupe-McCall, Yaritza (Department: 2841)

Geometrical instruments

Gauge

Straightness, flatness, or alignment

C033S551000

Reexamination Certificate

active

07743525

ABSTRACT:
An exemplary apparatus for testing planeness of a workpiece is provided. The apparatus includes a platform for supporting the workpiece thereon, a bracket vertically mounted to the platform, and a testing system mounted to the bracket for testing the workpiece. The testing system includes a testing member, a test dial indicator having a sliding pole, and a fine-tuning member for controlling the movement of the testing member. One end of the testing member is connected to the sliding pole. When testing, the fine-tuning member drives the testing member to move toward the workpiece, until the testing member contacts the workpiece. The sliding pole extends together with the testing member. A value is shown by the test dial indicator that indicates the moving distance of the testing member. A distortion value of the workpiece can be obtained according to the value.

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