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Browsing articles in "Beginner"

G-Wizard Bonus: Lifetime Free Features – You Savvy?

Mar 18, 2017   //   by Bob Warfield   //   Beginner, Blog, Cool, FeedsSpeeds, NewFeatures, Products, Software, Techniques  //  No Comments

We do a terrible job advertising it, but most of G-Wizard Calculator is free.  Seriously.  You sign up for the 30-day free trial, and when that ends, even if you don’t purchase, most of the tabs will go right on working for you.  There’s a giant treasure trove of useful calculators, utilities, and reference information…

How Well Do You Know GD&T [Important for Pro CNC’ers!]

Mar 14, 2017   //   by Bob Warfield   //   Beginner, Blog, Manufacturing, Products, Techniques  //  No Comments

A simple GD&T drawing…
If you work from prints that 3rd parties send you to make parts from, chances are you’ve seen some Geometric Dimensioning and Tolerancing (GD&T) symbols on them.  GD&T is the industry standard to communicate size, location, orientation, and form requirements on an engineering drawing.
We offer a free mini-course on just…

[CNC Chef Video] Chip Thinning: Clear and Present Danger if Ignored

Mar 14, 2017   //   by Bob Warfield   //   Beginner, Blog, FeedsSpeeds, Software, Techniques  //  No Comments
radial chip thinning formula

Just launched my this month’s video with Cutting Tool Engineering for my “CNC Chef” column (a playful reference to the CNCCookbook).  In the first video, I covered the subject of Tool Rubbing.  It comes as a surprise to some that if you try to slow down a cut too much, it is actually much worse…

When to Use a Spot Drill + 7 Useful Tips and Techniques

Feb 27, 2017   //   by Bob Warfield   //   Beginner, Blog, FeedsSpeeds, Techniques  //  18 Comments
Spot Drill

Machinists are familiar with spot drills–they’re stub length and have little or no flutes.  These little drills are designed to be extremely rigid so that they can precisely spot a hole for a twist drill.  Maximum meat in the shank keeps them on target.  The goal is use the spot drill to make a little…

Review: SCE TTS Toolholder Racking System

Feb 14, 2017   //   by Bob Warfield   //   Beginner, Blog, Cool, Products  //  No Comments

Note: The special offer on these racks has been extended for two weeks–it’s good until March 1st.
It’s only appropriate that our first real product review is the Santa Cruz Electronics TTS Toolholder Racking System.  SCE is one of a select few Tormach distributors, and they happen to be right in my home town of…

14 Tips For Parts That Are Too Big For Your CNC Machine

Feb 13, 2017   //   by Bob Warfield   //   Beginner, Blog, CNC Router, Techniques  //  2 Comments
cnc router aluminum cutting

It’s not always practical to have a machine that’s big enough to easily handle the job at hand.  But, with some clever fixturing and the right techniques, it is often possible to machine much larger parts than what your machine seems capable of handling.   Here’s how:
The Basic Idea, When Machining Parts Too Big For…

Help: How Can I Afford to Buy a CNC Machine?

Feb 3, 2017   //   by Bob Warfield   //   Beginner, Blog, Business, CNC Projects, Manufacturing, Products  //  11 Comments

Dude, have you seen what these CNC machines cost?
CNC is one of my favorite things in the world, and it is amazing that an individual these days can actually have a full-blown CNC machine that’s more powerful than the machines used to put men on the moon right in their own garage.  Heck, they’re…

Feedrates for Entering Cuts and Other New G-Wizard Features

Jan 31, 2017   //   by Bob Warfield   //   Beginner, Blog, FeedsSpeeds, NewFeatures, Products, Software, Techniques  //  1 Comment
feeds and speeds for plunging

I just uploaded G-Wizard Calculator version 3.72 and it includes some very cool new capabilities.
Let’s start with something that every CNC’er deals with on virtually every new feature while using their CAM System:
What Feedrate Should I Use to Enter a Cut Using a Helix, Ramp, or Plunge?
Yup, CNC’ers deal with this quite…

Help: I Need to Choose the Best Machine For My CNC Business!

Jan 29, 2017   //   by Bob Warfield   //   Beginner, Blog, Business  //  6 Comments

Which machine is better for your business, Machine A or Machine B?
We’ve all been there–pouring over machine catalogs and specifications.  This one is so cool–the spindle goes 86 zillion rpms, the rapids are faster than light speed, and the tool changer, oh my, THE TOOLCHANGER!!!
But is the biggest baddest machining center always the…

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  //  1 Comment
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…

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