Effect of Hob Sharpening Errors
Effect of Hob Sharpening Errors
Hobs resharpened on an arbor in resharpening machine that runs eccentrically will result in sharpening errors that give the same 11wandering 11profile characteristic to an involute profile as an eccentrically mounted properly sharpened hob in a hobbing machine. Other sharpening errors to the base rack that effect hob profile are
Hob cutting faces are sharpened with negative rake.
Hob cutting faces are sharpened with positive rake.
Hob cutting faces are sharpened by unequal amounts resulting in uneven flute spacing.
A hob sharpened with incorrect lead will result in one end of the hob being larger in diameter than the other. As the hob is shifted across its usable life in the hobbing machine, a change in the size of the work piece will be evident.
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Taper Shank Type Shaper Cutters with GB 6081
Taper Shank Type Shaper Cutters with GB 6081These shank type shaper cutters are 20° PA, non-topping... - Module and DP Gear Hobs with 14°30′ – 45°
- PA20° Module m4 Standard Involute Gear Hobber
- PA20° Pre-shave Gear Hob with Module m1
- HSS M2, M35, ASP30, ASP52, S390 Module Spline Gear Hobs
- Timing Pulley Hob for HTD 14M
- PA20° Pre-shaving Gear Hob with Module m4
