Fire-Safety

Deep hole drilling machines have specific safety requirements beyond standard machine tools. The high-pressure coolant, fine chip mist, and continuous operation create hazards that need specific safety systems. I’ve dealt with a few safety incidents over the years, and I’ve developed a set of practices that keep machines and operators safe. Emergency Stop Systems Every deep hole drilling machine needs emergency stop buttons at multiple locations. The requirements are more extensive than a standard machine tool because of the coolant system and the continuous operation mode. ...

Why Magnesium Is Different from Aluminum If you have ever drilled aluminum at production scale, you know the common headaches: built-up edge, stringy chips that tangle around the tool, and the need for high-pressure coolant to break those chips. Magnesium is in a completely different league. Magnesium has one-third the density of aluminum and roughly half the Young’s modulus. Cutting forces are dramatically lower. The coefficient of thermal expansion is higher, which means the hole closes in on the tool faster as it cools. But the biggest difference is how it burns. ...