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Browsing articles in "FeedsSpeeds"

What If There Was a Feeds and Speeds Calculator Specially Made for CNC Routers?

Jul 10, 2016   //   by Bob Warfield   //   Beginner, Blog, FeedsSpeeds, NewFeatures, Products, Software, Techniques  //  8 Comments

What if there was a Feeds and Speeds Calculator specially made for CNC Routers?  What would it do differently?
As many of you have made abundantly clear in conversations we’ve had, CNC Routers need a bunch of things that are different than what other CNC’ers may need.
Got Wood?
I used to constantly see CNC…

How Big is a 2 X 4? Hint: Lumber Sizes are Deceiving and Here’s Why

Jul 8, 2016   //   by Bob Warfield   //   Beginner, Blog, FeedsSpeeds, NewFeatures, Products, Software, Techniques  //  1 Comment
Lumber Sizes Chart

How big is a 2 x 4?  The actual size of a 2 x 4 is about 1.5 by 3.5 inches.  In fact, it might be up to 2/16″ less than that, depending on a some important factors.
Whoa!  That’s crazy!
Now I’ve got to tell this story, just because I never knew and found…

Calculators and Reference Charts for CNC’ers Right Here!

Jul 8, 2016   //   by Bob Warfield   //   Beginner, Blog, FeedsSpeeds, GCode, Products, Software, Techniques  //  1 Comment

I’ve been getting a fair bit of feedback about reference information lately.  Turns out there is a ton of reference info built into G-Wizard that many people don’t know about, there’s a ton of info people would like to see me add, and there’s also a bunch of info that’s generally useful in tabular form…

9 New User-Inspired Features That Make G-Wizard Better Than Ever

Jun 27, 2016   //   by Bob Warfield   //   Blog, CNC Router, FeedsSpeeds, NewFeatures, Products, Software  //  6 Comments

I love it when you give me fabulous feedback that I can use to improve our software.  The new Vacuum Fixture Mini-Calc was entirely inspired by just one conversation with someone who wasn’t even a customer–it was inspired by a problem that was preventing them from becoming a customer.  This week I’ve just uploaded G-Wizard…

Slitting Saw Feeds and Speeds Plus 20 Slitting Saw Tips

Jun 15, 2016   //   by Bob Warfield   //   Beginner, Blog, FeedsSpeeds, Manual, Products, Techniques  //  2 Comments
slitting saw arbors for ER collet chucks

Arbors for small slitting saws plug directly into ER Collet chucks.  Check our slitting saw page for more information…
I just seriously beefed up our Slitting Saw Feeds and Speeds page with a lot more information.  I added information about Slitting Saw Arbors, more pictures, and a huge number of additional slitting saw tips and…

Quit Scrapping Parts Because They Pop Off Your Vacuum Table

Jun 13, 2016   //   by Bob Warfield   //   Blog, CNC Router, FeedsSpeeds, NewFeatures, Products, Software, Techniques  //  11 Comments

Do you use a vacuum table or vacuum fixtures?
If yes, then I know you’ve scrapped more than one part because it popped off the table due to too much cutting force breaking the vacuum.  Wouldn’t it be great to have a quick and easy way to stop that from happening?
I get all my…

How Can I Figure Out What Tool to Use on My CNC Mill Or Router? (Part 3: Pocketing)

May 10, 2016   //   by Bob Warfield   //   Beginner, Blog, FeedsSpeeds, Products, Software, Techniques  //  No Comments

In Part 3 of our series on how to select the right CNC Cutter we’ll be talking about pocketing.
What are Pockets?
Pockets are cavities in the top of the part.  Or, at least the face that’s on top during the milling process.  They can have a floor, or they can be open by piercing…

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…

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