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Browsing articles in "Blog"

Turret or Gang Tooling on a CNC Lathe?

May 16, 2017   //   by Bob Warfield   //   Beginner, Blog, Products, Techniques  //  12 Comments

This is one of the many topics that seems to engender religious fervor from one side versus the other.  I personally went through several hundred online articles and correspondences I’ve had with our G-Wizard customers about this choice.  For my upcoming Tormach CNC Lathe, I initially had ordered it set up for gang tooling based…

[Advice for Awesome Business Names]: Random Name Generators to Numerology

May 16, 2017   //   by Bob Warfield   //   Blog, Business  //  No Comments

This article is part of my series helping entrepreneurs to launch and grow their businesses.  The original is over on BobWarfield.com.
Early in the history of any new business comes the naming decision.  You’ll need a name as soon as you create a website or blog.  Naming a new business is something many entrepreneurs obsess…

Best CNC Router Speeds and Feeds Calculator

May 15, 2017   //   by Bob Warfield   //   Blog, CNC Router, FeedsSpeeds, Software, Techniques  //  2 Comments
cnc wood router

I had a customer contact me recently to talk about Speeds and Feeds for CNC Routers.  It was an interesting conversation because he really wanted to understand what it takes to have the Best CNC Router Speeds and Feeds Calculator.  In explaining it to him, I felt the best approach was to consider a combination…

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…

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