Line of Action: Concepts & Calculations - January/February 1993
The article "Line of Action: Concepts & Calculations" appeared in the January/February 1993 issue of Gear Technology.
In the past gear manufacturers have had to rely on hob manufacturers' inspection of individual elements of a hob, such as lead, involute, spacing, and runout. These did not always guarantee correct gears, as contained elements may cause a hob to produce gears beyond tolerance limits.
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