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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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Chip Fans for Clearing Chips

by Bob Warfield | Nov 9, 2022 | Blog, CNC Projects, Tools and Techniques

I remember the first time I saw a Lang Chip Fan.  A friend showed me on his VMC and we both had ear to ear grins in no time.  Imagine a tool that sits in your carousel.  Load it up in the machine spindle, spin the spindle, and fan blades pop out to blow...

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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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Swarf [Easy Guide with Tips and Techniques]

by Bob Warfield | Oct 3, 2022 | Blog, CNC Basics, CNC Manufacturing & Job Shops, Tools and Techniques

What is Metal Swarf and Chips?   In metalworking, metal swarf is the metallic chips that are leftover when machining the metal to shape. The history of the term “swarf” is interesting. In Middle English geswearf means “iron filings” or...

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Can You Really Trust a Blake Coaxial Indicator?

by Bob Warfield | Sep 26, 2022 | Blog, Software, Tools and Techniques

What is a Co-Ax Indicator? It’s a common problem for a machinist to need to find the center of a circular feature–either a boss or a hole.  There are a lot of ways to do this ranging from using a probe on a CNC to using one of the many tried-and-true...

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