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Tooth surface defects - eating teeth

Update:11 Dec 2017
Summary:

The reason Due to the hob and the tooth blanks the loca […]

The reason
Due to the hob and the tooth blanks the location of each other a sudden change caused
? 1) Column triangular guide is too loose, resulting in sudden changes in hob feed Column triangular rail is too tight, causing the phenomenon of crawling
? 2) Tool holder helical gear meshing gap
? 3) Hydraulic instability to find and eliminate some sudden factors
Countermeasures:
? 1) Adjust the column triangular rail: tight tightness requirements
? 2) Turret should be replaced if worn for a long time
? 3) Reasonable maintenance of machine tools, especially clean, so that the oil flow to maintain smooth: oil pressure remained stable

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