Hob Rake Error

Hob Rake Error

Dec 11, 2013 | Tool Time

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...
Rob Runout

Rob Runout

Nov 12, 2013 | Tool Time

Hobs mounted without precision. Runout Error - Figure 1 Runout Error - Figure 2 Runout Error - Figure 3 The importance of using a precisely mounted hob is critical to achieve high quality gears. The machine cutter spindle and arbor support systems should run true...