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Precision CNC Machined Titanium Dice

Mar 11, 2014   //   by Bob Warfield   //   Blog, CNC Projects, Manufacturing, Products, Techniques  //  9 Comments
TiDiceFinished

I love to hear from our customers what they’ve been doing with G-Wizard.  What’s particularly cool is when they’ve taken the time to really document an interesting project.  Here is James Dressman’s precision machined Titanium Dice.  A lot of work went into these, but the end result is a finely crafted set of dice:

The Titanium Dice and their presentation box…

You gotta love the idea of including an inspection sheet: that’s a true machinist’s touch!
James has included a series of videos so you can see how he did it.  I will embed them below, but you should subscribe to his channel to see what he’s up to over time.  … Read the rest

10 Cool Design Projects From Kickstarter

Mar 9, 2014   //   by Bob Warfield   //   Blog, CNC Projects, Cool  //  1 Comment
Enigma

The exciting thing about CNC is you can make almost anything you can imagine.  For some, even more exciting is the prospect of owning their own business manufacturing products they have designed.  In the Internet Age that’s a lot more possible than you might think given the leg up in marketing services like Kickstarter can provide.  Kickstarter is a marketplace for not-yet-manufactured products.  The idea is to provide seed money that can be used to launch a product by offering the initial units in the Kickstarter marketplace.  Here’s a round up of 10 Cool Kickstarter Projects that are waiting for people to invest in their future as I write this.  … Read the rest

Help! G-Wizard is Giving Me a Higher Feedrate Than My CAM Software and Other Calculators

Mar 8, 2014   //   by Bob Warfield   //   Beginner, Blog, FeedsSpeeds, Software  //  2 Comments
ChipThinning

I get mail with that kind of message every so often.  A machinist uses G-Wizard Calculator and it gives them a higher feedrate, sometimes quite a bit higher, than his CAM software or other feeds and speeds calculators.  The chipload is the same, and the formula to go from chipload to feedrate is simple, so they assume there must be a bug in G-Wizard.  In reality, the formula to go from chipload to feedrate is not so simple if you take radial chip thinning into account.
Radial Chip Thinning is a change in the geometry of the chips being formed as you take lighter and lighter cuts by reducing the Cut Width as a percentage of tool diameter when milling.  … Read the rest

New OD Turning Wizard and Chamfering Tool Geometry for GW Calculator

Mar 3, 2014   //   by Bob Warfield   //   Beginner, Blog, FeedsSpeeds, Software  //  1 Comment
DogSplits

I just uploaded G-Wizard Calculator version 2.30 (download here) which has some great new goodies.  Check it out:
New OD Turning CADCAM Wizard
The CADCAM Wizard’s are designed to get you feeds and speeds in a form that is ideally suited for your CAM program and with as few keystrokes as possible.  The new OD Turning CADCAM Wizard is the first one we’ve done for lathes.  Let’s go through it from top to bottom.
First, here are the inputs you need to give it to get some answers:

OD Turn Wizard Inputs…
To use the OD Turn Wizard, you’ll need to tell it your Rough Stock OD (Outside Diameter).  … Read the rest

Just a Few Days Left for 2014 President’s Day Sale

Feb 27, 2014   //   by Bob Warfield   //   Blog  //  No Comments

Our 2014 President’s Day Sale ends at close of business Monday–just a few days left.  We’re offering 15% off featured products using the “GEORGEWASHINGTON” coupon code in the shopping cart.  After all, President’s Day is also George Washington’s birthday, so it only seems fair to honor our country’s first president on President’s Day.  Here are the important details of this special offer:
– Featuring all our top products.
– Sale runs through March 3, 2014–just two weeks to take advantage of these deals.
– To see the discount, click the Buy Now button, go to the shopping cart, and enter your “GEORGEWASHINGTON” coupon code.… Read the rest

Ultimate Benchtop CNC Mini Mill Part 5: Acceleration and Cutting Forces

Feb 27, 2014   //   by Bob Warfield   //   Beginner, Blog, CNC Projects, DIY CNC  //  10 Comments
Dragster

This is the fifth installment of our Ultimate Benchtop CNC Mini Mill series.  The series is dedicated to helping DIY CNC’ers work through the design considerations and tradeoffs for their CNC Mill projects.  Here are the installments so far:
Part 1:  Donor Mill
Part 2:  CNC Mechanicals (Ballscrews and Such)
Part 3:  Close Loop vs Open Loops (Servos vs Steppers)
Part 4:  Motion Performance
We’re working towards Motor Sizing, but before we can do that properly, we have one more aspect we need to understand, and that is the role of acceleration and cutting forces on motor torque requirements.
The last thing we want to consider before I wrap up axis motor selection in installment 6 is the role of acceleration and cutting forces.  … Read the rest

Survey on Alternate Input Devices for CADCAM

Feb 24, 2014   //   by Bob Warfield   //   Blog, Products  //  12 Comments
3d-connexion

I’ve had a fair number of people ask about support for devices like the 3DConnexion 3D mouse for G-Wizard Editor.  I don’t use any such devices, but it has made me curious about how many of you are using something more than just a plain old mouse when working in 3D on your CAD and CAM software.
First, I want to talk a little bit about these devices.  The ones I hear most often about are 3D mice from 3DConnexion.  Here are some of the products in their lineup:

A collection of 3D mice from 3DConnexion…
What is a 3D Mouse?… Read the rest

CNC Router Feeds and Speeds from Manufacturer’s Recommendations

Feb 20, 2014   //   by Bob Warfield   //   Beginner, Blog, CNC Router, FeedsSpeeds  //  3 Comments
Compression Spiral

We have quite a large audience of CNC Router users here on CNCCookbook.  Their needs are quite a bit different than the average metalworker’s needs for machining feeds and speeds due to their chosen materials (mostly soft materials like wood, foam board, and plastics) as well as differences in their tooling (special cutters including downcut and compression spirals) and machines (much higher rpm spindles, generally).  In this post, I want to go through some of the special feeds and speeds considerations for CNC Router users.  In particular, I want to show how to use our G-Wizard Feeds and Speeds Calculator together with your cutter manufacturer’s data to get the best results.… Read the rest

A Gearotic Project Video Start to Finish

Feb 17, 2014   //   by Bob Warfield   //   Blog, Cool, Software  //  No Comments

Gearotic is Art Fenerty’s specialized CADCAM program for gear design.  Art is the man who wrote the original versions of Mach3, so he knows a thing or two about CNC.  I have wanted a good video that will both teach you what Gearotic is capable of and also be related to a real project.  Art’s video about designing and building a “Ticker” was a great example, so let me pass it along here:

What you’ll see is Art’s narrative and demonstration of how to use Gearotic to design what he calls “Tickers.”  A Ticker is a sort of kinetic sculpture that uses escapements like you’d find in clocks to create some really interesting motions.… Read the rest

G-Wizard Calculator version 2.28: More Good Stuff

Feb 17, 2014   //   by Bob Warfield   //   Blog, FeedsSpeeds, Software  //  1 Comment
ODTurnMockup

Here at CNCCookbook, we’re always striving to put our More Good Stuff.  It’s what we do, whether the Good Stuff is new machining articles or updates to our software.  Today I uploaded G-Wizard Calculator version 2.28 (click that link to get to the dowload page).  It’s got a number of improvements under the hood:
UI for OD Turning CADCAM Wizard is mocked up along with CADCAM Wizard options for lathes.  
This will be the first of the Turning CADCAM Wizards (well, almost, hole making is the same as for mills) and it looks like this:

Mocked-Up OD Turn CADCAM Wizard UI…
You’ll be able to enter up to 6 diameters to turn and you can specify the corners be radiused, chamfered, or left alone.  … Read the rest

Announcing CNCCookbook’s 2014 President’s Day Sale

Feb 17, 2014   //   by Bob Warfield   //   Blog, Business, FeedsSpeeds, GCode, Software  //  No Comments
PresidentsDay

2014 has gotten itself well underway, so it’s time for our first sale of the year.  We’re offering 15% off featured products using the “GEORGEWASHINGTON” coupon code in the shopping cart.  After all, President’s Day is also George Washington’s birthday, so it only seems fair to honor our country’s first president on President’s Day.  Here are the important details of this special offer:
– Featuring all our top products.
– Sale runs through March 3, 2014–just two weeks to take advantage of these deals.
– To see the discount, click the Buy Now button, go to the shopping cart, and enter your “GEORGEWASHINGTON” coupon code.… Read the rest

G-Wizard Calculator and Editor Webinars Now Available on YouTube

Feb 15, 2014   //   by Bob Warfield   //   Beginner, Blog, FeedsSpeeds, GCode, Software, Techniques  //  2 Comments

You can now view our G-Wizard Calculator and G-Wizard Editor training and demonstration webinars on YouTube.  These webinars are the most up-to-date and in-depth videos we’ve ever done of our products, so they’re chock full of good information on what the products can do and how to use them.  The webinars were extremely well attended and we got lots of great questions from the audience, so we plan to keep doing webinars going forward.  It seems to be a good medium in terms of conveying a lot of information, making it possible to record so people can get value for a long time after the webinar, and giving an opportunity for the audience to participate with their own questions.… Read the rest

New G-Wizard Editor Release and GWE Webinar Recording Available for Download

Feb 7, 2014   //   by Bob Warfield   //   Blog, GCode, Software  //  3 Comments
guitarcat

I just uploaded G-Wizard Editor v1.46.  It contains several handy improvements:
– Changed so all tools are automatically made visible at startup. Had people turn off tool visibility, quit, come back later, and wonder why the tools weren’t visible in the backplot.
– Add a “My Post Isn’t Here!” button to Setup.
– Fixed problem that prevented setting color of tool in backplot.
– Fixed some problems saving spindle power curve parameters on the machine profile.
– Added the ability to put a hole at a specific XY in the Conversational Hole Wizard. This saves some steps over using the Grid layout to do it.… Read the rest

Ultimate Benchtop CNC Mini Mill Part 4: Motion Performance

Feb 6, 2014   //   by Bob Warfield   //   Beginner, Blog, CNC Projects, DIY CNC  //  9 Comments
BridgeportMotionPerformance

This is the fourth installment of our Ultimate Benchtop CNC Mini Mill series.  The series is dedicated to helping DIY CNC’ers work through the design considerations and tradeoffs for their CNC Mill projects.  Here are the installments so far:
Part 1:  Donor Mill
Part 2:  CNC Mechanicals (Ballscrews and Such)
Part 3:  Close Loop vs Open Loops (Servos vs Steppers)
The next thing I want to get into is Motor Sizing, but before we can do that properly, we need to understand what Motion Performance will be required from our machine.
To put it simply, Motion Performance is how fast our feedrates need to be.  … Read the rest

CNC Project Ideas: Reskin Something

Feb 5, 2014   //   by Bob Warfield   //   Beginner, Blog, CNC Projects, Cool  //  3 Comments
Tennuis

I hear you’re a machinist, you’ve got access to CNC machines, and you’re dying to do a cool project that your friends will love.  Youo just need the right idea.  How about this:
–  Take an existing product.
–  Discard, some all, or none of it.
–  Create a new skin for it that radically changes the product to something MUCH better.
That’s a Reskinning Project.  There’ll all over the web if you look carefully.  Here’s some ideas to get you fired up to Reskin something:
PC and HiFi Case Mods
Reskinning PC’s and HiFi’s has been going on a long time and there are some very cool results out there.  … Read the rest

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