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Browsing articles in "FeedsSpeeds"

New Feature: Real Time Cut Width and Depth Optimization in G-Wizard Calculator

May 5, 2016   //   by Bob Warfield   //   Blog, FeedsSpeeds, Products, Software  //  1 Comment

Real Time Optimization: Part of My Evil Plans for World Domination!
I’ve just uploaded G-Wizard Calculator v3.26 and it includes Real Time Cut Width and Depth Optimization.  Folks, let me tell you, Real Time is better than sharks with frickin’ lasers on their heads.  I say that entirely tongue in cheek because a competitor has…

Milling Composites, Part 3: PCD End Mill Support for G-Wizard Calculator

Apr 10, 2016   //   by Bob Warfield   //   Blog, FeedsSpeeds, Manufacturing, Products, Software  //  No Comments

PCD Tooling such as these Guhdo endmills can really increase tool life when machining composites.
In part 2 of our series on machining composites we saw that composites can be incredibly abrasive and therefore quite tough on tool life.  The most common way to get better tool life is to switch to PCD (poly-crystalline diamond)…

15 Most Useful Features in G-Wizard for Higher Material Removal Rates

Mar 30, 2016   //   by Bob Warfield   //   Blog, FeedsSpeeds, Manufacturing, Products, Software, Techniques  //  No Comments

Sometimes we just need the job to go faster.  When that’s the case, look into increasing your Material Removal Rates–MRR is your primary metric for reducing cycle time.  I get calls all the time from shops that want me to help them reduce their cycle times, and these are the most useful features in G-Wizard…

What Every CNC’er Ought to Know About Tool Deflection

Mar 21, 2016   //   by Bob Warfield   //   Blog, FeedsSpeeds, Software, Techniques  //  7 Comments

What are the limits of Tool Deflection?  Why?  And is G-Wizard Calculator optimistic or conservative about those limits?
I recently finished several fairly in-depth discussions with folks running expensive production machining jobs about the limits of Tool Deflection and how to think about them.  First, Tool Deflection is extremely important to Tool Life, Chatter, Surface…

Milling Composites, Part 2: Tooling, Workholding, and Machine Requirements

Mar 7, 2016   //   by Laura Warfield   //   Blog, FeedsSpeeds, Manufacturing, Techniques  //  3 Comments

This is Part 2 of our Composite Milling series.  In Part 1, we talked about some of the general properties of composites.
Tooling for Composite Machining
Diamond Tooling

PCD tooling is preferred over carbide to resist the abrasion of composite machining.  Image courtesy of Fullerton Tool.
One of the first factors that comes up in…

New Feature: Gen 2 Tool Menu is Live in G-Wizard Calculator

Mar 2, 2016   //   by Bob Warfield   //   Blog, FeedsSpeeds, NewFeatures, Products, Software  //  6 Comments

I just uploaded version 3.15 to the G-Wizard Calculator download page.  It’s got a number of nice additions, but I am going to treat it as a Beta Test.  By that I mean that I am not turning on the auto-update for it–I will wait for the next release and some feedback from users.  So,…

Great Video on Varying Spindle Speed to Control Chatter

Feb 29, 2016   //   by Bob Warfield   //   Beginner, Blog, FeedsSpeeds, Techniques  //  No Comments

SSV can really help control chatter when turning…
Hat tip to Tom for bringing this video to my attention.  In it, Haas describes their “SSV” (Spindle Speed Variation) feature to control chatter.  They also give the best discussion I’ve seen of how diameter affects surface speed when turning (smaller diameters have to run faster just…

When is Cutting Aluminum at 1000 SFM Just Like Cutting at 300 SFM?

Feb 19, 2016   //   by Bob Warfield   //   Blog, FeedsSpeeds, GCode, Software, Techniques  //  2 Comments

Strange question, right?  Almost nonsensical.  Surface Speeds are surface speeds, and a difference of 700 SFM has got to result in a difference to the cutter–probably a BIG difference.  Yet, paradoxically, there is reason to believe, backed by science, that 1000 SFM really can be just like 300 SFM in some cases during High Speed…

New Features: Shapeoko 3 Machine Profile + New Alloys

Feb 12, 2016   //   by Bob Warfield   //   Blog, FeedsSpeeds, NewFeatures, Software  //  No Comments

I’ve just uploaded G-Wizard Calculator version 3.10 and turned on the upgrade signal.  It’s a minor release with a number of customer requested detail improvements and bug fixes:

There are new Shapeoko 3 Machine Profiles–one for DeWalt spindles and one for Porter Cable.  This will make it faster and easier than ever for Shapeoko users…

11 Feeds and Speeds Considerations for Lightweight CNC Routers

Feb 9, 2016   //   by Bob Warfield   //   Beginner, Blog, CNC Router, FeedsSpeeds  //  No Comments

Today’s lightweight CNC Routers are capable of some truly amazing work…
I got a note recently from a new G-Wizard Calculator user who is also a CNC beginner.  He has a lightweight CNC Router and was about to make his first cuts.  He wanted to know if I had any special suggestions for him before…

[AMA] Ask Me Anything About Feeds and Speeds or G-Wizard Calculator

Jan 26, 2016   //   by Bob Warfield   //   Blog, FeedsSpeeds  //  22 Comments

Hi, I’m Bob Warfield, Founder of CNCCookbook and author of G-Wizard Calculator.  If you’ve got questions about Feeds and Speeds or G-Wizard Calculator, now is your chance to Ask Me Anything.  This is something that’s been popular elsewhere on the Internet, but is totally new for us here at CNCCookbook.
We’ll use the comment section…

New Feature: G-Wizard Calculator UI Mock Up Available For Feedback

Jan 20, 2016   //   by Bob Warfield   //   Blog, FeedsSpeeds, Software  //  11 Comments

I just uploaded G-Wizard version 3.04 for G-Wizard Calculator users to play with.  It contains a UI Mock Up for your comment and feedback.  This isn’t something we do very often, but it’s important when there are major changes afoot to some aspect of a product’s User Interface.
In this case, the change we’re contemplating…

New Usability Features for G-Wizard Calculator

Jan 14, 2016   //   by Bob Warfield   //   Blog, FeedsSpeeds, Products  //  No Comments

Yes, we should of thought of it but didn’t–DOH!  Thank you for thinking of it for us!
We’re blessed at CNCCookbook with a tremendous amount of valuable user feedback on our software–it’s audience is quite large, quite friendly, and quite willing to pitch in and help us make the software better.  Thank you!
I just…

7 Biggest Feeds and Speeds Mistakes CNC’ers Make

Jan 12, 2016   //   by Bob Warfield   //   Blog, FeedsSpeeds, Software, Techniques  //  2 Comments

These are things I hear over and over again talking to CNC’ers.  There are some better ways and some better answers that can really improve your Feeds and Speeds practices if you’re open to them.  Fixing your Feeds and Speeds is one of the easiest productivity hacks you’ll ever make.
Assuming Feeds and Speeds Can…

10 New Year’s Resolutions You SHOULD Keep This Year!

Jan 5, 2016   //   by Bob Warfield   //   Blog, FeedsSpeeds, GCode, Manufacturing, Products, Software, Techniques  //  4 Comments

What kinds of New Year’s Resolutions do CNC’ers make?
Well of course anything is possible, but here are some ideas that will maximize your productivity.  I always try to make resolutions that save me time so I can do more.  Seems like the most valuable kind of resolution, doesn’t it?
Let’s take three big categories…

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