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The way to test whether the diesel engine crankshaft bending deformation

Date:2015-10-14 17:50:46

Put diesel engine crankshaft lathe or grinding machine on top, or on the v-shaped iron stand, and then use dial indicator, so that the measured radial runout numerical half is bending. Because it is a relative value, including the surface of the crankshaft main journal among ovality. This method is easy and the crankshaft deflection value is larger, the influence of the main journal elliptical surface can be ignored, therefore, mostly adopted in the actual inspection. When the diesel engine crankshaft bending is less than 0.3 mm, can through the shaft grinding crankshaft straight; Such as more than 0.3 mm, it must be in alignment.

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