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Browsing articles in "Beginner"

Learn How to Tolerance Circular Runout in GD&T

Jan 17, 2017   //   by Bob Warfield   //   Beginner, Blog, Manufacturing, Techniques  //  No Comments
circular runout gd&T

I just uploaded another installment to our Free GD&T Tutorial, and this article explains the Circular Runout symbol.

Circular Runout tolerance on a drawing…
Circular Runout is a fairly common GD&T symbol.
Geometric Dimensioning and Tolerances is a methodical and scientific way to specify tolerances on your drawings.  It tells in a concise symbolic way…

5 Awesome Ways to Use a GCode Editor Simulator With CAM

Jan 7, 2017   //   by Bob Warfield   //   Beginner, Blog, GCode, Software, Techniques  //  1 Comment
how many cnc'ers know gcode?

I get asked this question a lot:
Why would I need a GCode Editor Simulator when I’ve got CAM and it has a Simulator too?
For many CNC’ers, they think CAM means they’ll never need or want to deal with g-code. So why would they ever consider having a G-Code Editor / Simulator like our…

The Ultimate Feeds and Speeds Cheat Sheets (and More)

Jan 4, 2017   //   by Bob Warfield   //   Beginner, Blog, FeedsSpeeds, Products, Software, Techniques  //  No Comments
feeds and speeds cheat sheet

Do you use cheat sheets?
You know, those little pieces of paper or charts where you cram in a quick summary of everything you need to know to solve some type of problem quickly.  Man, I got through college on my cheat sheets!
Now hang on, before you start thinking I was actually cheating, our…

Learn How to Tolerance Total Runout in GD&T

Dec 12, 2016   //   by Bob Warfield   //   Beginner, Blog, Manufacturing, Techniques  //  No Comments
total runout symbol callout GD&T

I just uploaded another installment to our Free GD&T Tutorial, and this article explains the Total Runout symbol.

Total Runout tolerance on a drawing…
Because Total Runout is such a tight control over every point on the surface, it is less commonly used than Circular Runout. Even so, it is still a fairly common GD&T…

Learn How to Tolerance Cross Sections of Complex 3D Surfaces in GD&T

Dec 5, 2016   //   by Bob Warfield   //   Beginner, Blog, Manufacturing, Techniques  //  No Comments
Profile of a Line GD&T callout Geometric Dimensioning Tolerancing

I just uploaded another installment to our Free GD&T Tutorial.

Profile of a Line callout on a drawing…
Geometric Dimensioning and Tolerances is a methodical and scientific way to specify tolerances on your drawings.  It tells in a concise symbolic way how much your parts can deviate from the geometric ideal.  If you do much…

Learn How to Tolerance Complex 3D Surfaces in GD&T

Nov 25, 2016   //   by Bob Warfield   //   Beginner, Blog, Manufacturing, Techniques  //  No Comments
gd&t profile of a surface symbol

I just uploaded another installment to our Free GD&T Tutorial.

Profile of a Surface callout on a drawing…
Geometric Dimensioning and Tolerances is a methodical and scientific way to specify tolerances on your drawings.  It tells in a concise symbolic way how much your parts can deviate from the geometric ideal.  If you do much…

Learn What the Angularity Symbol Means in GD&T Plus New Calculator

Nov 15, 2016   //   by Bob Warfield   //   Beginner, Blog, Manufacturing, Techniques  //  No Comments
angularity GD&T symbol

I just uploaded another installment to our Free GD&T Tutorial.

Angularity callout on a drawing…
Geometric Dimensioning and Tolerances is a methodical and scientific way to specify tolerances on your drawings.  It tells in a concise symbolic way how much your parts can deviate from the geometric ideal.  If you do much CNC work, you’re…

2 Tools for Optimizing CNC Milling Cut Depth and Cut Width/Stepover

Nov 8, 2016   //   by Bob Warfield   //   Beginner, Blog, Cool, FeedsSpeeds, Manufacturing, Products, Software, Techniques  //  3 Comments

The depth of cut and width of cut (also called stepover) are crucial variables when milling pockets, profiling, facing, and any other machining operation where you’ll be cutting with the flutes on the side of an endmill.  Aside from the machine’s capabilities, the material, and a description of the tool to be used, they’re the…

Learn What the Parallelism Symbol Means in GD&T

Oct 24, 2016   //   by Bob Warfield   //   Beginner, Blog, Manufacturing, Techniques  //  No Comments
GD&T Parallelism Symbol and Callout

I just uploaded another installment to our Free GD&T Tutorial.

Parallelism callout on a drawing…
Geometric Dimensioning and Tolerances is a methodical and scientific way to specify tolerances on your drawings.  It tells in a concise symbolic way how much your parts can deviate from the geometric ideal.  If you do much CNC work, you’re…

Check Out the New Perpendicularity Chapter in our Free GD&T Course

Oct 17, 2016   //   by Bob Warfield   //   Beginner, Blog, Manufacturing, Techniques  //  No Comments
Axis Perpendicularity

I just uploaded the chapter covering the Perpendicularity Symbol in our Free GD&T (Geometric Dimensioning and Tolerancing) Course.
There are two varieties of Perpendicularity.  Axis Perpendicularity (the callout is pictured above) controls whether the axis of the features stays within an ideal cylinder of a specified diameter aligned on the same axis.  Surface Perpendicularity tells…

Getting the Best Performance from ER Collet Chucks

Oct 11, 2016   //   by Bob Warfield   //   Beginner, Blog, Techniques  //  17 Comments
Tool tightening fixture

Short of much fancier and more expensive solutions, ER Collets are one of the best toolholding systems available. Consider this comparison from our Ultimate Guide to Selecting Toolholders for Milling:

ER Collet Chucks are inexpensive and can really do the job as long as we’re not talking super heavy duty or very high rpm applications.  …

39 Feeds and Speeds Hacks, Tips, and Techniques

Sep 26, 2016   //   by Bob Warfield   //   Beginner, Blog, CNC Router, FeedsSpeeds, Products, Software, Techniques  //  2 Comments

Breaking Through Roadblocks

Sometimes you just get stuck…
Sometimes you just get stuck.  You need to do something and it doesn’t look like it’s possible.  We’ll start with a series of hacks for those situations.
#1-#3 My Spindle Won’t Run Slowly Enough for the Material and Tooling I Need
This problem happens particularly often if…

Making It Absurdly Easy to Get Started With G-Wizard Calculator

Sep 24, 2016   //   by Bob Warfield   //   Beginner, Blog, FeedsSpeeds, Products, Software  //  1 Comment
g-wizard social login

OK, granted, “Absurdly Easy” might be exaggerating things a bit, but I try to constantly make G-Wizard easier for everyone.  Lately, I’ve been working diligently on the very beginning of the process.  Many will have noticed the recent appearance of a brand login popup and with the latest release I uploaded there is now a…

Cylindricity: Another Installment in Our Free GD&T Course

Sep 19, 2016   //   by Bob Warfield   //   Beginner, Blog, Manufacturing, Techniques  //  No Comments
Cylindricity GD&T Symbol

I just uploaded the chapter covering the Cylindricity Symbol in our Free GD&T (Geometric Dimensioning and Tolerancing) Course.
Cylindricity defines how far the shape may differ from an ideal cylinder, so it is a very useful tolerance that’s common to use.
“What’s this Geometric Dimensioning and Tolerancing?”, you ask.  The short answer is that it…

Top 19 Most Interesting Pages on CNCCookbook=[Pure CNC Pleasure]

Most Interesting CNCCookbook Articles

What are the 11 Most Interesting Pages on CNCCookbook, and how would I know?
There are a LOT of articles here on CNCCookbook.  We get 3 million visitors a year checking out roughly 2000 different articles.  To be interesting, we figured a page should draw the reader on as well as keeping their interest.  So,…

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