Milling Tools

Milling produces a flat or contoured surface on a workpiece with a rotating tool. The work can be done on a machining center or milling machine, and can also be done on a turning center that has rotary or “live tool” capabilities. The tools for milling include both solid tools and “indexable” tools—the latter consisting of a tool body that uses replaceable cutting inserts. Carbide is the most likely material for milling tools, though other options include high speed steel as well as, ceramic, cermet and diamond tools for certain more demanding applications. The end mill can be flat-bottomed for flat surfaces, or ball-nosed for milling up contoured shapes. Another common milling tool variety is the “face mill,” a generally larger-diameter tool designed for efficiently milling a wide, flat surface in an economical number of passes.
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Lights Off, Profit On

Various tooling considerations contribute to profitable lights-out machining.

The Cutter Affects Capacity

New machine tools allowed CTG to cut cycle time by 75 percent, but that wasn’t enough. Finding the right tool and process cut that cycle time further, giving the oil-industry manufacturer the capacity needed to support an important new product.
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Ramping Cutter Promotes Process Reliability Even at High Speeds

The M2131 Sky-tec ramping cutter from Walter USA brings improved process reliability to the machining of nonferrous metals such as the aluminum-wrought alloys or aluminum-lithium alloys often used in aircraft structural components.

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