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Browsing articles in "Blog"

33 Ways to Design Parts So They’re Easier to Manufacture

May 9, 2017   //   by Bob Warfield   //   Blog, Business, Manufacturing, Techniques  //  4 Comments

This article was originally published a couple of years ago.  I republished it to call attention to the extensive updates to our Design for Manufacturing page which has nearly double the number of DFM recommendations from 19 to 33.
Many of our readers own or work in CNC manufacturing businesses of all sizes and many…

100 Days of Productivity From a Simple Goal Setting Worksheet?

May 8, 2017   //   by Bob Warfield   //   Blog, Techniques  //  No Comments

100 Days of Productivity?  What would you say if you could guarantee your next 100 days would be super productive for your business because you used a simple goal setting worksheet to decide what to do during those 100 Days?
What if you were sure you could get everything done within the time frame?
What…

[Breaking News] More Useful Calculators for CNC’ers and Machinists!

May 7, 2017   //   by Bob Warfield   //   Beginner, Blog, FeedsSpeeds, Manual, NewFeatures, Software, Techniques  //  No Comments
training to improve

Our mission?  Helping everyone to be Better CNC’ers.
Honestly, we’ve been on a mission for a long time to help anyone who wants to be a Better CNC’er.  Whether you’re a Beginner trying to get your arms around the basics, or a seasoned Pro who never stops improving your game, we’ve got the goods.
Part…

Parabolic vs Standard Flute Twist Drills = Better Performance

May 2, 2017   //   by Bob Warfield   //   Blog, FeedsSpeeds, Techniques  //  11 Comments

What Is a Parabolic Flute Drill?
The term “Parabolic Flute” applies to a specific geometry for a twist drill.  The geometry is altered to improve chip extraction, which leads to all sorts of advantages for Parabolic Drills:

Reduces the need for a peck cycle except on deepest holes.
Allows increased feed rates for better manufacturing…

Start With An Audience Not A Product If You Want To Win

May 1, 2017   //   by Bob Warfield   //   Blog, Business  //  3 Comments

This is another in my series for small business owners and entrepreneurs.  The full posting appears on my small business and entrepreneur blog, BobWarfield.com.
Many Entrepreneurs identify too much with their product or idea.  They want to go from a product idea to a plan for success.  But that’s not the best way and if…

The High Cost of Tight Tolerances

Apr 29, 2017   //   by Bob Warfield   //   Blog, Manufacturing, Techniques  //  11 Comments
Cost of tight tolerances

We’ve all heard the stories about part drawings coming through that specify ridiculously tight tolerances.  We know that holding tight tolerances is harder, and we know it is more expensive to make a part the tighter the tolerances are.  But how much does it cost to have tighter tolerances really?
I came across this great…

45 or 90 Degree Face Mill – Which Gives Better Results?

Apr 25, 2017   //   by Bob Warfield   //   Blog, FeedsSpeeds, Manufacturing, Products, Software, Techniques  //  5 Comments
45 and 90 degree face mills

45 or 90 Degree Face Mill – Which gives better results?
First, what are we talking about when we say 45 or 90 degrees?  The answer is fairly obvious from the photo above comparing two Glacern Face Mills.  Take a look at the angle of the cutting edge on the inserts.
Yes!  The angle is…

Is Hustling Harder the Answer to Getting The Job Done?

Apr 25, 2017   //   by Bob Warfield   //   Blog, Business  //  No Comments

We’re all used to hustling harder.  Machinists often work a lot of ours to push parts out the door.
But is hustling even harder the way to get ahead?
It’s not, and the reason is that hustling harder gets you a one time benefit.  It doesn’t build for the long haul.  And the downside is…

12 Most Popular CNCCookbook Articles of Last 12 Months

Apr 24, 2017   //   by Bob Warfield   //   Beginner, Blog, Techniques  //  No Comments

I read a lot of blogs in my quest to keep learning new things–over 200 at last count.  One thing that always troubles me when I find a new blog is, “Which great articles have I missed?”  You know that just because you found one good article it doesn’t mean you’ve found them all, right?…

Video: Runout — The #1 Tool Life Issue for Micromachining

Apr 18, 2017   //   by Bob Warfield   //   Blog, FeedsSpeeds, Manufacturing, Products, Techniques  //  No Comments
micromachining runout

Check out the latest video in my monthly “CNC Chef” series for Cutting Tool Engineering Magazine:

In this video I talk about runout in depth and it’s impact on tool life when micromachining.  You’ll learn about:

What is the definition of Micromachining?
What are the applications of Micromachining?
How the physics of cutting change at…

Do Me a Favor? + Bob’s New Small Business Blog

Apr 18, 2017   //   by Bob Warfield   //   Blog, Business  //  2 Comments

Can you help?
I have been working feverishly for the past week to put together a new blog and website.  It’s called “BobWarfield.com“, and I could really use a little help with it.  But first, let me tell you what it’s all about and why I created the site.
As you, my loyal readers, will…

Improve CNC Machine Performance With a Z-Axis Counterbalance

Apr 17, 2017   //   by Bob Warfield   //   Blog, CNC Projects, DIY CNC, Techniques  //  2 Comments
hurco z-axis counterbalance

Have you ever considered a Z-Axis counterbalance for your CNC machine?
Most commercial VMC’s use one.  Here’s a Hurco VM1:

Twin roller changes connect the Hurco VM1’s Z-Axis counterbalance…
Or, here’s a schematic from the DIY Haas site showing how Haas uses an air-over-oil system as a counterbalance:

Air-over-oil hydraulic Z-axis counterbalance on a Haas…

Big Guide: 17 Tips for Minimizing Breakage When Micromachining and More

Apr 10, 2017   //   by Bob Warfield   //   Blog, FeedsSpeeds, Manufacturing, Techniques  //  3 Comments
micromachining

Here at CNCCookbook, we do extremely in-depth research on our articles.  We want to be sure that when we publish a guide to something, we’ve done as much of the work for you as possible.  We’re pretty good at it, or we wouldn’t see 4.5 million CNC’ers visiting our site every year–roughly the same as…

CNC Software Sale Ends This Friday, April 14th!!!

Apr 7, 2017   //   by Bob Warfield   //   Blog, Business, FeedsSpeeds, GCode, Products, Software  //  2 Comments

Good news, I’m extending our Spring Sale one more week–it ends Friday, April 14.
Until then, you can save 15% off every piece of CNC Software we offer.  Some of the best deals are listed on our CNC Software Sale page.
Remember, the sale prices don’t show up until you get into the shopping cart,…

Desperate to Find Marketing Help For Your Small Business?

Apr 7, 2017   //   by Bob Warfield   //   Blog, Business  //  No Comments

Desperate to find marketing help for your small business?  I don’t blame you.  It’s really tough to do.  Almost impossible, in fact.
Your choices are not happy ones:

Go with the Big Name Firm, realizing that you’re such a small fish to them you’re going to get their B-, C-, or even the D-Team working…

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