Gear hobbing in a lathe using a tap. 8:57 video:
Previously:
Grinding a gear hob cutter - GIF
Giant gearshaft being quenched - GIF
Making organic gears - GIF
functional gears discovered in insects
Cam gear GIF
Direction changing gears GIF
Chocolate truffles turned as gears GIF
Cutting gear teeth GIF
Trillion-year gear reduction kinetic sculpture machine - video and photo
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