Method and device for post-processing a crankshaft
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United States of America Patent
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Nov 29, 2022
Grant Date -
Apr 16, 2020
app pub date -
May 24, 2018
filing date -
Jun 14, 2017
priority date (Note) -
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Abstract
The invention relates to a method for post-processing a crankshaft (4), in particular in order to correct concentricity errors and/or for a length correction. Sectors (S1,S2,S3,S4,S5,S6) of the crankshaft (4) which produce and/or characterize concentricity errors are detected and/or a length deviation (ΔL1 ΔL2, ΔL3) from a target length (L1,L2, L3) is determined for at least one section of the crankshaft (4). An impact force (Fs) is then introduced into at least one defined transition radius (8) between connecting rod bearing journals (5) and crank webs (7) and/or between main bearing journals (6) and the crank webs (7) of the crankshaft (4) by means of at least one impact tool (16) in order to correct the concentricity errors and/or the length deviation (ΔL1 ΔL2, ΔL3).
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