Tooling & Workholding

Milling Tools

Milling is the work of producing a flat or precision-contoured surface on a machined workpiece by using a rotating tool, and generally by taking multiple parallel passes with that tool. The work can be done on a machining center or milling machine, and can also be done on a lathe, turning center or turn-mill machine that happens to have rotary tool (or “live tool”) capabilities. The tools for milling include both solid tools and inserted tools—the latter consisting of a tool body that uses replaceable cutting inserts. Carbide is the most likely material for milling tools, though high speed steel is another choice, as are ceramic, cermet and diamond tools in certain more demanding milling applications. A common milling tool variety is the “end mill,” which generally describes a relatively narrow cylindrical tool that can mill on both its tip and its side, and can reach into various constrained features and spaces. The end mill can be flat-bottomed for flat surfaces, or ball-nosed for milling up, down and along the contours of complex milled shapes such as die and mold surfaces. 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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Featured Zone Content

Video: Hard Pocket Milling


Relieved end mills and pre-machining of corners are two important considerations for accurate pocket machining in hard steel.



Four-in-One Cutting Tool System for Diverse Applications

By: Edited by Stephanie Monsanty
Millstar’s Quad Force Machining systems of solid carbide cutting tools feature cutting geometry with the capacity to perform four cutting actions in one.

Widia Victory VSM11 cutting platform

Cutting Platform Reduces Horsepower Draw

By: Edited by Stephanie Monsanty
Widia’s Victory VSM11 platform includes cutter bodies and inserts designed for low-horsepower draw and free machining.

ISO 13399—A Key Step Toward Data-Driven Manufacturing

By: Mark Albert
Decisions about the cutting tools used in machining operations are arguably among the most important in modern manufacturing.

Cutting Tool Edge Prep: The Invisible Advantage

By: Peter Zelinski
Edge preparation involves removing material from a cutting tool in order to extend its life. That may sound counterintuitive, but a maker of glass molds says edge prep has dramatically reduced the amount it spends on tools.

Lovejoy Tool MaxCut 651 cutters

Cutters and Inserts Enable Continuous Heavy-Duty Cutting

By: Edited by Stephanie Monsanty
Lovejoy Tool Co.’s MaxCut 651 cutters feature a new chip gullet design and 0.250"-thick inserts for continuous heavy-duty work.


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