FEEDS AND SPEEDS

Corner Radius End Mills [Bull Nose]: Guide

by Bob Warfield | Mar 7, 2023 | Blog, CNC Basics, Feeds and Speeds, Tools and Techniques

What is a Corner Radius Endmill (or Bull Nose end mills) Corner radius end mills also called bull nose end mills) are normal square end mills that have a slight radius ground into their edges. The radius helps distribute cutting forces evenly to prevent damage to the...

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Woodruff & Keyseat Cutters: Easy Guide to Keyway, Key, & Keyseat CNC Work

by Bob Warfield | Dec 27, 2022 | Blog, Feeds and Speeds, Tools and Techniques

Whenever we need to affix a part to a shaft, such as a gear or pulley, keyways, keys, and keyseat work or woodruff work comes into play.  So, let’s begin by getting our terminology straight. A Keyway is a slot of some kind that is used to align the part on...

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Carbide Drill Speeds and Feeds [Plus Tips and Techniques]

by Bob Warfield | Nov 19, 2022 | Blog, Feeds and Speeds, Tools and Techniques

Recently I had breakfast with a gentleman who was telling me his tale of woe.  He had to drill hundreds of holes in some steel electrical panels on his CNC Router, and things were not going well.  Tool life on his drill bits in particular was terrible. ...

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CNC Router Software: Easy Guide [ Beginner to Advanced ]

by Bob Warfield | Oct 26, 2022 | Blog, CADCAM, CNC Basics, CNC Router, Feeds and Speeds, GCode, Software, Tools and Techniques

Introduction This article will walk you through the basic types of software for CNC Routers. Most folks will not use all of the cnc software described here. But it’s good to know what is out there in case you do have a problem one of these cnc software packages...

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2022 End Mill Survey Winners

by Bob Warfield | Oct 24, 2022 | Blog, Feeds and Speeds, Tools and Techniques

Each year we survey CNCCookbook readers (that’d be you, gentle reader) about which End Mill brands they like to use.  The information is helpful to anyone who needs to shop for end mills.  After all, in most markets we know who the most popular brands...

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Ball Nose End Mill [Easy Guide to Ball Cutters]

by Bob Warfield | Sep 21, 2022 | Blog, CNC Basics, CNC Router, Feeds and Speeds, Tools and Techniques

What are Ball Nose End Mills? A Ball Nose End Mill, also called a “Ball Cutter”, “Ball End Mill”, or a “Ball Nose Mill” is an End Mill whose tip is ground in the shape of a half sphere. Ball End Mills are always center cutting, so...

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