Deep Hole Drilling in Automotive: Where the Holes Are
Automotive manufacturing has been the biggest driver of deep hole drilling technology for decades. A modern car engine alone has dozens of deep holes — oil galleys in the block, crank oil passages, connecting rod bores, fuel injector channels. Every one of them is a gun drilling or BTA drilling job. (For the EV side of automotive, I covered motor shafts separately. This one is about the traditional ICE side.) I’ve worked on automotive lines and job shop work for automotive suppliers. The production volumes change the way you think about the work. ...