How Deep Hole Drilling Machines Have Changed Over 50 Years
I’ve worked on deep hole drilling machines from the 1970s through modern CNC equipment. The changes over 50 years are significant. What was once a craft dependent on operator feel has become a data-driven process managed by software. The Manual Era (1970s-1980s) Machines from this period were manual or NC controlled. The operator set feed rates by turning hand wheels and felt the cutting forces through the hand wheel. Experienced operators could tell when the drill was cutting properly by the resistance they felt. ...