| 摘要 |
PURPOSE: An apparatus for measuring a roll gap is provided to have sealing and waterproof functions, thereby preventing the inflow of foreign materials or water. CONSTITUTION: An apparatus for measuring a roll gap comprises a body (10), a protrusion part (20), a detection part, and a support part. The protrusion part is installed in an opening of the body. One end of the protrusion part is protruded from the body. The protrusion part contacts to the opening while moving in the body. The detection part detects the changed position of the protrusion part. The support part is arranged between the body and the protrusion part and elastically supports the protrusion part from the body.
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