Oil Hole Drilling in Gears and Splined Shafts
Gears and splined shafts need oil holes for lubrication. The holes are typically small — 2-8mm diameter — drilled at an angle through the gear body or shaft wall. The position and angle need to be precise to deliver oil to the right location. I’ve drilled oil holes in gears for industrial gearboxes, automotive transmissions, and heavy equipment drive trains. The work requires careful setup and attention to angle accuracy. ...