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Browsing articles in "Manufacturing"

CNCCookbook 2016 End Mill Survey Winners (Drumroll, Please!)

Nov 29, 2016   //   by Bob Warfield   //   Blog, FeedsSpeeds, Manufacturing, Products  //  11 Comments
End Mill Market Share

Nearly 1300 votes were cast for various endmill brands in our recent survey, and there were some 93 different end mill brands represented–WOW!
The response to the survey has been amazing, and now it’s time to present the results.  I have divided those results into 3 tiers since there are so many brands to consider.…

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…

How the Pros Finish AR-15 Lower Receivers for Profit

Nov 14, 2016   //   by Bob Warfield   //   Blog, CNC Projects, Cool, Manufacturing, Techniques  //  5 Comments
AR-15 Lower Receiver CAD Fusion360

AR-15 Lower Receiver in Fusion360…
We have a lot of readers who are interested in firearms, and I’m a shooter myself, so I thought I’d pass along this fascinating video about how a pro shop goes from a forged 80% lower to a finished AR-15 Lower Receiver:

This video was done by Palmetto State Defense,…

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…

Amazingly Simple Automatic Part Engraver from a Tormach 440

Nov 2, 2016   //   by Bob Warfield   //   Blog, CNC Projects, Manufacturing, Techniques  //  2 Comments
VMC Auto Part Loader

I love automation–there’s just something about watching a robot making parts you’re going to sell.  A machinist friend of mine (Hi Peter T.!) refers to his bank of older Hardinge CNC Lathes as his money printing presses.  They sit there with their bar pullers grinding out parts for him to sell all day long and…

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…

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,…

Secrets of the Top Machine Shops: Detailed Analysis

Sep 8, 2016   //   by Bob Warfield   //   Blog, Business, Manufacturing, Techniques  //  2 Comments

One of the best ways to learn how to make your business more successful is to study the practices of other businesses, especially successful businesses.  Being aware of what other businesses do and comparing your business to them goes under a lot of names, but two you’ll hear often are Benchmarking and Best Practices.
MMSOnline’s…

Announcing a New Deep Learning Guide for CNC Beginners

Sep 6, 2016   //   by Bob Warfield   //   Beginner, Blog, Cool, Manufacturing, Techniques  //  1 Comment
Step by step guide to making CNC parts for beginners

You’ve got a vision for a part you want to make…
You’ve got a vision for a part you want to make.  You’ve been lusting after your own CNC Machine for a long time.  You just want to put the two together, but try as you might, there’s no map to guide you.  No article…

Circularity: Another Chapter in the Free GD&T Course

Aug 28, 2016   //   by Bob Warfield   //   Beginner, Blog, Manufacturing, Techniques  //  1 Comment
Circularity (Roundess) callout

I just uploaded a chapter covering the Circularity Symbol in our Free GD&T (Geometric Dimensioning and Tolerancing) Course.
Circularity, as you would expect, is commonly used for circular parts such as cylinders, cones, and spheres.  It’s important when the parts must move smoothly and with a minimum of wear, so for example, one might want…

Stop! Don’t Take That Part Off the Machine Yet!

Aug 25, 2016   //   by Bob Warfield   //   Blog, Manual, Manufacturing, Techniques  //  2 Comments
work stop for a kurt vise

Your g-code program has ended and all looks well with the part.  What’s your next move?
For most, the next move is to pull the part out of the machine and chuck up another blank to start machining the next part.  But, depending on how well debugged your manufacturing process is, and it isn’t very…

Straightness: Latest Chapter in Our Free GD&T Course

Aug 10, 2016   //   by Bob Warfield   //   Beginner, Blog, Manufacturing, Techniques  //  No Comments
Surface Straightness

Surface Straightness controls the allowable deviation of a line on a surface such as this cylinder.
I just uploaded the latest installment in our Free GD&T (Geometric Dimensioning and Tolerancing) Course.  This one covers the Straightness Symbol, which can either be used to denote Surface Straightness or Axis Straightness.  Each one is different and has…

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