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Help Finding Stuff Like the Install Pages and Our Deal Pages

Apr 25, 2013   //   by Bob Warfield   //   Beginner, Blog, Software  //  No Comments
BeatlesHelp

I just updated the Software Home Page to make it easier for folks to find some key things on CNCCookbook.  If you scroll down the page you’ll see two new entries:
–  A MeshCam page link.  MeshCam is a super easy to use 3D CAM package by Robert Grzesek that we resell with some special deals.
–  A link to our “Cheapskate Page.”  You can always find any special offer we’re running on the Cheapskate Page, including volume deals, deals when you buy more than one product, sales, coupons, educational discounts, volume discounts, and probably even “Just Because Bob Says” discounts some days!
Okay, I’m really glad to get that stuff unburied a little bit and out in the open.
It’s nothing new, but I also wanted to talk just briefly about the Software Home Page itself.  If you’re looking for anything related to our software, start there.  It’s easy to find, just click the “Software” menu choice at the top of any of our pages.  On it, you will find the links to the home pages for each product, and also some really helpful resources including:
–  Links to Install Pages
–  Links to User Guides
–  Links to…

Several Customer-Driven Updates to G-Wizard Editor This Week

Apr 22, 2013   //   by Bob Warfield   //   Blog, GCode, Software  //  2 Comments
enhanced-buzz-32642-1356032263-3

We made several inline releases without much fanfare this week to respond to various customer’s feedback.  If you want the full details, you can always check the Change Log.  Suffice it to say there’s a lot of good fit and finish work being done based on what folks report when they use GWE.  We really appreciate your feedback and always prioritize items requested by customers as high as we can, particularly if they involve problems you’ve encountered.  Generally, if I can reproduce a problem, I will get it fixed pretty quickly and I won’t hold a release with those fixes for more than a day or two before turning it back around.
Some highlights for this past week of releases:
–  Added a new button to the Renumber Revision making it easy to set it up to remove all the “N” numbers from the g-code.  This is helpful if you’re trying to make the code as small as possible so you can drip feed a machine that doesn’t have much memory for g-code programs.
–  Speaking of renumbering, I made the Renumber Revision at least 100x faster.  The gent that was trying to use it to make his programs small…

Machining a Titanium AR-15 Lower Receiver on a Hobby Mill

Apr 15, 2013   //   by Bob Warfield   //   Blog, CNC Projects, Cool, DIY CNC, FeedsSpeeds, Software, Techniques  //  5 Comments

We featured Kingjamez’ video on making an aluminum AR-15 lower receiver on a small hobby mill (Sieg X3) quite a while back.  He used our G-Wizard Feeds and Speeds successfully, and I was tickled to get a note from him recently about his use of G-Wizard for this project:
Just wanted to write and say thanks for GWizard. I’m a hobbiest (you featured my youtube video of my CNC’d AR-15 a couple years ago) and have a tiny CNC Mill, but thanks to GWizard my first efforts at machining 6AL-4V titanium went flawlessly. I used high speed machining techniques (at low speed, and inspired by your HSM blog post) on my little X3 mill and was able to make deep passes that had great surface finish the on the very first cut. I didn’t break any tools, or say any curse words! Who would have thought that possible on a benchtop CNC machine with an inexperienced operator? Not me! GWizard paid for itself on just this project alone in the tooling and frustration it saved me, and I’ve had it for 2 years. That’s money well spent. Thanks again.
Thank you Jim, for all your interesting projects on your video…

Our First LinuxCNC Post for G-Wizard Editor

Apr 1, 2013   //   by Bob Warfield   //   Blog, DIY CNC, GCode, Software  //  No Comments
linuxcnc_logo

I just uploaded our first LinuxCNC milling and turning posts for G-Wizard Editor.  It’s a modest start, but we’ll build on this initial version.  The most important LinuxCNC feature we’ve added support for in the Editor are named parameters.
In LinuxCNC, you can write:
#<circle_radius>
instead of:
#1013
Much easier to read than the numeric notation.
What GW Editor does to accomodate this new style is it automatically sets up a mapping between the symbolic style and numeric #-variables.  With the LinuxCNC post, we start that mapping at #10000.  In other words, the first named parameter you create will be at #10000, the second at #10001, and so on.  You don’t have to know all that, though it will show up in our new Macro Variable Viewer.  Should you wish to change the starting point of #10000, that’s easy to do with a new post variable.
There’s also the beginnings of code in place for pre-defined named parameters, but I won’t go into that too much as it isn’t really ready for prime time yet.
I expect to have the LinuxCNC post finished by the end of April.  Meanwhile, it should be good enough to start playing with CAM program…

G-Wizard Editor’s New Macro Variable Tab, SETVN, and Naming #Variables in Macros

Mar 29, 2013   //   by Bob Warfield   //   Blog, GCode, Software  //  3 Comments
G-Code Macro Variable Viewer

Macros and subprograms are potent addition to the g-coder’s arsenal.  Used properly, they will make your g-code programs shorter, more general purpose, and easier to understand.  Unfortunately, not every g-code dialect supports macros.  Some have fewer features than others, while some have no support at all.  Others will have very sophisticated and feature rich sets of macro programming features.  Fanuc Macro B is probably the most common example.  But, another controller dialect that has very sophisticated macro features is LinuxCNC.  Perhaps that’s because it is open source and many software developers work on it and add features to it.  Your average software developer looks at the g-code syntax and finds it to be pretty primitive, so it is perhaps no wonder that a control aimed at that audience will have some pretty nice programming features.
Getting a high quality LinuxCNC post-processor together for our G-Wizard G-Code Editor and Simulator is the priority around here right now, and I was just sitting down to start implementing the various heavy-duty macro programming features of LinuxCNC when a thought struck me.  As I often do, I started out by looking at sample code our fabulous user community had sent over.  Once program was…

If You Follow CNCCookbook With Google Reader, You Know There’s Trouble Ahead

Mar 25, 2013   //   by Bob Warfield   //   Blog, Software  //  2 Comments
rss

I find Google Reader and RSS Feeds to be invaluable tools to keep up with as many information sources as possible in an efficient way.  I track well over 200 blogs in Google Reader and a fair amount of that information makes it way into my blog posts here.  If you’re a Google Reader user, by now you will have heard that Google is going to shut down the product in July.  I could not have been more upset about the decision, which I think is misguided.  In fact, I have written a number of blog posts on my business blog, Smoothspan, about it.  Be that as it may, when companies get big like Google, they often do arbitrary things that are in their own perceived self-interest without regard to their Customer’s best interests.  We’ve all dealt with companies like that.
I am currently looking at a variety of alternative RSS readers, and will switch to one before Reader goes away.  So far, I don’t like any of them as well as Google Reader.  A big part of that is that they’re all slow and cumbersome as they try to take on millions of Google Reader users switching out of…

New Conversational CNC Graphical User Interface

Mar 25, 2013   //   by Bob Warfield   //   Blog, GCode, Software  //  1 Comment
Conversation CNC Milling Wizards

Now that I have several of the Wizards up and running, I decided to go back and work on the UI to get it closer to what the final look and feel will be.  The latest GW Editor version has the new UI:

The individual Wizards also carry the thumbnail:

The Wizards are generally looking a lot tidier and friendly to use.  If you click the Help button on the main page, it’ll take you to some new User Guide pages I’m putting together as well.
More to come.  My focus at this time is to get all of the Milling Wizards nominally working.  On the Editor side, I am focused on adding a couple of new posts–LinuxCNC will be next up at bat likely followed by Heidenhain.
I am sometimes asked, “Why bother with Conversational CNC Wizards when I have a CAM program?”
The answer is simple.  Sometimes you just want to do something quick and dirty at the machine without having to go through the CAD/CAM cycle.  Manual Machinists are fond of saying they’re faster than CNC’ers for simple one-offs, but if you have some familiarity with MDI and something like our Conversational CNC Wizards, you can be…

GW Editor v1.020 Adds a Slotting Wizard

Mar 21, 2013   //   by Bob Warfield   //   Blog, GCode, Software  //  No Comments
Conversational CNC Slotting

Close on the heels of our Surfacing Wizard comes a new Slotting Wizard for G-Wizard Editor’s Conversational CNC Module.  It looks like this:

It’s pretty self-explanatory, but here’s what you do:
1.  Make sure the Safe Z (the height where the tool can go anywhere without hitting anything), Rapid to Z (height we can use rapids in Z only), and Material Top Z are correct for your job.
2.  Give the Start XY of the slot.  This is the midpoint of the starting end of the slot.
3.  Give slot Length and Width.
4.  Give the angle of the slot.  The angle is in degrees and increases counter-clockwise, like most things.
5.  Give the Slot Depth, and the Roughing and Finishing Levels.  The g-code will make multiple roughing passes until it is within 1 finishing pass of the bottom of the slot, then it’ll make the finishing pass.  We use the Finish Level for cutter engagement on the walls too.  So, in the screen shot above, we’d cut 1/8″ on each wall until the 1/2″ cutter has gotten a slot 1 1/2″ wide.
6.  Tell it your Tool Diameter, and the feeds and speeds.   The Finish feeds are used when…

Improving GW Editor’s Bridgeport DX32 Post

Mar 20, 2013   //   by Bob Warfield   //   Blog, GCode, Software  //  9 Comments
BridgeportDX32

People tell me they love their Bridgeport DX32 controls.  There’s a small but vocal minority of folks still using them, and the DX32 topped the list of requested Post upgrades on our recent G-Wizard G-Code Editor Survey.  So, I rolled up my sleeves  and over the last 2 releases of G-Wizard Editor, I added a bunch of things to the post that deal with the unique g-code dialect of the DX32.  In case you thought g-code is just g-code, here are some of the “big ticket” items I tackled:
Triple Z’s
The DX32 uses what I call “Triple Z’s” on the drilling cycles.  In other words, there are three Z-words in the block that specify:
–  Hole depth
–  First peck amount
–  Remaining peck amounts
For most controls, repeating a word on a line is an error.  Not so the DX32 and its “Triple Z’s”.
Subprogram Syntax
Fanucs and many other controls use a subprogram syntax most g-code programmers are familiar with.  But the DX32 does something completely different:
“#” is used to identify subprogram numbers. So “#32″ is like “O32″ on most controls.
“=#” calls the subprogram. “#=32″ is the same as “M98 P32″.
“$” signifies return from…

New Conversational CNC Face Milling and Surfacing Wizard

Mar 19, 2013   //   by Bob Warfield   //   Blog, FeedsSpeeds, GCode, Software, Techniques  //  2 Comments
Face Milling and Surfacing CNC Wizard

I just uploaded G-Wizard Editor version 1.018, which has our new Conversational CNC Face Milling and Surfacing Wizard.  Here’s what it looks like:
The Surfacing Wizard includes three different toolpaths:
–  Zig-zag:  Fastest surfacing, because it cuts both ways.
–  Climb Mill:  Best surface finish–passes are climb mill and then rapid back so they always cut in the same direction.
–  Radial:  This path spirals outward, and is a nice compromise between the two as well as a good choice for surfacing round areas.
We’ve spent a lot of time incorporating state-of-the-art face milling toolpath features, such as the way the tool arcs into the workpiece.  These features result in longer tool life, particularly when surfacing tough materials, as well as better surface finishes.  You can get a PhD in Face Milling and write your own programs to do this stuff or just use the Surfacing Wizard.  While there are other Wizards and Conversational CNC programs out there, G-Wizard is the first one I’ve seen that does this sort of thing.  Even many CAM packages don’t.
I made a video that shows how to use the Wizard if you want more information:

Also, if you’ve never tried G-Wizard Editor, check…

What Now: My CNC Won’t Go Slow Enough or Fast Enough?

Mar 15, 2013   //   by Bob Warfield   //   Beginner, Blog, CNC Router, DIY CNC, Software, Techniques  //  No Comments
594037_Donkey_cart

It takes a complex bunch of math to properly calculate Feeds and Speeds under all conditions and to get anywhere close to good answers.  There is a whole lot more to it than the basic equations everyone learns that claim to relate surface speed, chipload, rpms, feedrates and the like.  Unfortunately, those equations work reasonably well for manual machining (though you can still do much better with proper calculations), but they can be way off for typical CNC operations.  When I first started out, I was using an Excel spreadsheet to keep up with it all.  Every time I learned something new, perhaps from an article via a tooling manufacturer, I’d add that information to the spreadsheet.  Pretty soon it was a honking complicated mess and I still wasn’t done.  In fact, I started to get into problems were there was no fixed formula that gave an answer.  These types of problems had to be solved by iterative methods.  That means you plug in some guesses, see the result, and try again until you get the right inputs to give the answer you seek.  Spreadsheets call this Goal Seeking, and they can do a little bit of it, but not…

New File Compare Command for G-Wizard G-Code Editor

Mar 7, 2013   //   by Bob Warfield   //   Blog, GCode, Software  //  No Comments

We recently ran a survey to see what folks thought we should add next to the G-Wizard Editor.  The #1 response was a File Compare command, so here is a video showing how the new command works:

We thank you for participating in the survey.  It’s not too late to get more votes in to help us decide what the next thing on the list ought to be.  You can participate in the survey and make your voice heard.  Go ahead, you know you have some great ideas for us.…

Mac Native Installs for GWE and GWC Just Released

Mar 5, 2013   //   by Bob Warfield   //   Blog, Software  //  1 Comment
macbook-air

For our friends using Macs, I am happy to report that the latest install pages for GW Calculator and GW Editor now offer Mac Native Installs.  You download a standard Mac .dmg file, right-click, and select “Open” to install.  Double click won’t work as it refuses to install “unidentified” developers.  We’re not in the Mac Store or Dev Program, so that makes us “unidentified”.  We may change that status in the future.
In any event, this should make life easier for Mac owners.…

Be Sure You Vote on What Features We Should Add Next to G-Wizard Editor

Feb 26, 2013   //   by Bob Warfield   //   Blog, Software  //  4 Comments

We’re running a survey to collect feedback on what features to add next to G-Wizard Editor.  Be sure your vote is counted!
 …

The Latest G-Wizard Editor Features Up Through Release 1.012

Feb 24, 2013   //   by Bob Warfield   //   Blog, GCode, Software  //  No Comments
SaveModes

I have a confession: I haven’t gotten much writing done for the site in the last week.  No blog digest newsletter email went out at all as a result.  So, I’m trying to get caught up.  I was busy doing work on GW Editor, so I want to go over what all was added in this post.  My last post on GWE releases was all about 1.005, and we’re now up to version 1.012.
Here’s what’s happened since 1.005 in terms of new functionality (for more detail, consult the GWE Change Log):
–  A File Close command.  One user was going through an iterative cycle as they tried to tweak their CAM package’s output and so was switching back and forth between GWE and the CAM package.  They wanted an easy way to close the file in GWE when they went back to the CAM package. So we added File Close.
–  Keyboard shortcuts for Revisions.  Many of the Revisions get used a lot and so it’s handy if they can be triggered by a quick keystroke.  Not only did we set that up with some default keyboard shortcuts, we also made it possible for you to remap the Revision…

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