Gear Tooth Profile Error caused by Hob Misalignment
By a relatively simple method to estimate the tooth profile errors caused by misalignment of the hob, the relation between the tooth profile error of the gear and any type of radial run-out of the hob are calculated. The involute curve test chart waves usually under the influence of radial run-out of the hob but the almost true involute tooth profile is generated under a special run-out condition. The software made from BASIC language is developed to show hobbing machine operators the importance of hob tooling.
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