CNC Chef Series

Videos • February 13, 2020

Determining fixture ROI

Bob Warfield of The CNCCookbook addresses an old saying in the machine shop world that suggests real money is made from having great fixturing. Is that really true? Does every job benefit from fancy fixturing? As good as it often is, great fixturing may not always be the right answer.

Videos • May 1, 2019

Episode 20: Deep Pocket Machining

This is the 20th episode in Cutting Tool Engineering's CNC Chef video series, which is produced in collaboration with Bob Warfield of CNCCookbook.com.

Videos • February 19, 2019

CNC Chef offers endmill shopping insight

When Bob Warfield of the CNCCookbook blog surveyed his readers about what endmills they use, he said there were way more than 100 brands represented. This video is all about understanding what's different about an expensive endmill versus a cheap one. Bob also addresses the question of whether premium endmills are worth the price.

Videos • December 7, 2018

Deep dive into fixture plates

In the 18th episode of Cutting Tool Engineering's CNC Chef video series, Bob Warfield of the CNCCookbook delves into setup time savings and other benefits of using fixture plates.

Videos • November 12, 2018

Revisiting high-mix, low-volume business model

The CNC Chef revisits the high-mix, low-volume business model for shops trying to succeed in a world where they have to get the job right with just 95 parts.

Videos • April 2, 2018

Conventional versus climb milling

For all practical purposes, says Bob Warfield of CNCCookbook.com, manual machinists always use conventional milling and CNC machinists always use climb milling. "Most of us do one or the other, and seldom change," he observed, but is that right?"

Videos • February 6, 2018

Design for manufacturing and assembly

The 12th episode of the CNC Chef, a video series produced by Cutting Tool Engineering in collaboration with Bob Warfield of the CNC Cookbook, gives some long overdue attention to Design for Manufacturing and Assembly.

Videos • January 8, 2018

7 ways to avoid breaking taps

Bob Warfield of the CNC Cookbook offers seven tips for avoiding breaking taps in the 11th episode of the CNC Chef, a Cutting Tool Engineering video series produced in conjunction with the CNC Cookbook.

Videos • December 4, 2017

CNC Chef: Deep hole drilling

For the 10th episode of The CNC Chef, Bob Warfield of the CNCCookbook discusses the challenges presented when drilling deep holes. Among them: clearing the chips, getting coolant down deep, and holding tolerances on position, diameter and surface finish. As Warfield observes in this episode, "all of this means we need to use some special strategies whenever we have to go more than 5 diameters deep, and that's what this video is all about."

Videos • November 7, 2017

CNC Chef: The role of coolant in CNC machining

In the ninth episode of the CNC Chef, Bob Warfield of the CNCCookbook covers the role of coolant in CNC machining and offers some tips for using coolant more effectively.

Videos • October 2, 2017

The CNC Chef: What is high-speed machining? | Episode 8

Understanding high-speed machining, or HSM as it's abbreviated, can be difficult for the simple reason it's defined in so many different ways, according to Bob Warfield of the CNCCookbook. As he explains in the eighth episode of The CNC Chef video series, HSM means a lot of things to different folks, but it's best to think of it as a coordinated set of techniques designed to increase machining productivity.

Videos • September 12, 2017

The CNC Chef: Taming chatter | Episode 7

In the seventh episode of The CNC Chef, Bob Warfield of the CNCCookbook outlines steps that will help you tame chatter.