| 摘要 |
PURPOSE: A frictional coefficient measuring apparatus of a wiper blade is provided to reduce test time by testing repeatedly in the surface of the actual condition, and to select the optimal blade rubber at the initial stage of test and design. CONSTITUTION: A frictional coefficient measuring device of a wiper blade comprises a glass height adjuster(10) supporting the lower face of a glass evenly; a housing(11) and a holder(12) supporting a blade rubber; a weight(13) pushing the blade rubber; a hydraulic actuator moving the blade rubber forward and backward; a water injector(15) providing the actual condition; a horizontal guide rail(16) and a vertical guide rail(17) guiding forward and backward movement and up-and-down adjusting of the blade rubber. Test is performed repeatedly, and test time is reduced. The optimized blade rubber is selected at the initial stage of test and design.
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