Deep Hole Drilling for Gearbox Shafts
Gearbox shafts are a common deep hole drilling application. The through-hole in a gearbox shaft serves multiple purposes: it delivers lubricating oil to the gear meshes, reduces weight, and provides a passage for control rods in some designs. I have drilled shafts for industrial gearboxes, automotive transmissions, and heavy equipment drive trains. Each application has similar requirements but different scales. The process requires attention to concentricity, surface finish, and cleanliness of the finished bore. ...