Gear Tooth Tip Profile Error

Gear Tooth Tip Profile Error

Hobs mounted without precision. Consider the following two gear tooth profile inspection charts (these have been simplified for illustrative purposes from what one would see in practice):     Inspection charts such as these plot the geometric variance normal...
Hob Rake Error

Hob Rake Error

The importance of hob rake. In order to produce high quality gears, it is important to use hobs of AGMA Class A or better. Equally important, these hobs must be properly sharpened in order to maintain the correct hob tooth geometry. Improper hob sharpening introduces...