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Browsing articles in "Techniques"

How to Aftercool a Compressor to Remove Moisture [Easy Project]

Jun 20, 2017   //   by Bob Warfield   //   Blog, CNC Projects, Techniques  //  4 Comments
compressor aftercooler

First, a little bit of the theory. If you haven’t already noticed, compressors accumulate a ton of moisture. It’s a good idea to have an electric automatic drain in the bottom of your tank. The moisture comes because the air coming out of the compressor is pretty hot–a couple of hundred degrees isn’t unusual. It…

6 Things A Brand New CNC’er Should Learn to Get Started

Jun 17, 2017   //   by Bob Warfield   //   Beginner, Blog, DIY CNC, FeedsSpeeds, GCode, Software, Techniques  //  3 Comments
diy cnc machines mill router 3d printer

So you’ve just gotten interested in CNC, and you notice the waters look a little deep.  How do you get started?
Here are 6 things you should learn about first, before you buy a CNC machine, before you do anything else, just to get oriented and see what this CNC thing is all about.  It…

What is SFM’s meaning and how it is used [Surprisingly Simple Guide]

Jun 5, 2017   //   by Bob Warfield   //   Blog, FeedsSpeeds, Manual, Techniques  //  1 Comment
what is sfm

What is SFM’s meaning?  How is SFM used?
You don’t have to be fooling around with machining or CNC long to come across the abbreviation “SFM”.  In this article I’ll explain this useful concept.
Let’s get one thing out of the way quickly, SFM is an acronym for “Surface Feet per Minute”.  It’s a unit…

5 Axis CNC Benefits [There are 7 Big Ones!]

Jun 3, 2017   //   by Bob Warfield   //   Blog, Cool, Techniques  //  6 Comments
5-Axis Machining

5 axis CNC machines are the pinnacle of milling machine sophistication.  They’re the most expensive machines to purchase, and due to the complex motions involved, even more cost is involved with the need for the most sophisticated 5 axis CAM packages available.  Find out why they’re worth it here.
Let’s start by getting an idea…

How to Use Techniques from High Reliability Organizations to Improve a CNC Shop

May 24, 2017   //   by Bob Warfield   //   Blog, Guest-Post, Manufacturing, Techniques  //  No Comments

Health care, airlines, and many other businesses are “High Reliability Organizations”…
Tom Baker is president of Steradian Laser Tag, an industry leader in designing and manufacturing professional laser tag equipment. Steradian uses a Tormach PCNC 1100 in-house to produce much of their equipment and G-Wizard for Feeds and Speeds.  We’ve profiled his business in the…

Are You Still Ignoring Tool Deflection? [We Can Help!]

May 22, 2017   //   by Bob Warfield   //   Beginner, Blog, FeedsSpeeds, Software, Techniques  //  1 Comment

Are you still ignoring Tool Deflection?  You’re not alone–many CNC’ers do.  But it hurts their tool life and surface finish something fierce.
I just did a video for Cutting Tool Engineering magazine that was totally focused on Tool Deflection.  In it, you’ll learn:

What tool deflection is
How it hurts tool life
How much you…

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…

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…

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…

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?…

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