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.

» Titanium and HRSA Machining

Machine Tool Database

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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.



IMCO Carbide Tool Inconex M8 end mill

End Mills Reduce Stress in Cutting High-Temperature Alloys

By: Edited by Stephanie Monsanty
IMCO Carbide Tool’s Inconex M8 series end mills are designed for machining high-temperature alloys including Inconel, Hastalloy, Waspalloy and more.

Micromachining Evolution

By: Derek Korn
Challenge Machine continues to add high-speed equipment for the increasing amount of micromachining work it is performing. Here are some lessons it has learned along the way, using tools as small as 0.001 inch in diameter.

Indexable Milling Grade KCSM30 for Machining High-Temperature Alloys

By:
With approximately 25-percent longer tool life, the KCSM30 milling grade from Kennametal directly reduces cost per part for shops working on titanium.

Indexable Milling Grade KCSM30 for Machining High-Temperature Alloys

By:
With approximately 25-percent longer tool life, the KCSM30 milling grade from Kennametal directly reduces cost per part for shops working on titanium.

Haimer Power Mill solid carbide end mills

Solid Carbide End Mills Improve Chip Evacuation

By: Edited by Stephanie Monsanty
Haimer’s Power Mill solid carbide end mills are made from fine-grain carbide and are equipped with the company’s Safe-Lock shank pull-out protection system.


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