Themethod of cutting teeth on a cylindrical gear by the hobbingprocess has been in existence since the late 1800’s. Advances havebeen made over the years in both the machines and the cutting toolsused in the process. This paper will examine hob tool life and themany variables that affect it. The paper will cover the state ofthe art cutting tool materials and coatings, hob tool designcharacteristics, process speeds and feeds, hob shifting strategies,wear characteristics, etc. The paper will also discuss the use of acommon denominator method for evaluating hob tool life in terms ofmeters [or inches] per hob tooth as an alternative to tool lifeexpressed in parts per sharpening.
- Edition:
- 08
- Published:
- 10/01/2008
- Number of Pages:
- 15
- File Size:
- 1 file , 770 KB
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