Oil & gas machining makes large, tough parts — valves, flanges, wellheads, couplings and downhole tools — often from stainless, duplex, Inconel and hardened alloys that resist corrosion and pressure. Parts are frequently big and heavy.
Large lathes and turning centers with big swing and bar/bore capacity, boring mills and heavy machining centers do the work, and hard, gummy materials call for rigid machines and high-pressure coolant. Deep-hole gun drilling is common for downhole components.
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