GrblGru: Engrave on curved surfaces

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GrblGru
Posts: 248
Joined: Sat Nov 01, 2014 5:44 pm

GrblGru: Engrave on curved surfaces

Post by GrblGru » Tue Jan 27, 2015 7:09 pm

I should just like to point out that the new GrblGru Version V1.16 allows engrave on curved and round surfaces.

The procedure is as follows:

- Fix your watch, pen, flask or whatever you want to engrave on your ShapeOko
- Select the range you like to scan
- Start scanning with a probe at pin A5 from your Arduino
(For simulation -> load a STL-file from the attachment)
- Use the STL-Creator to calculate a STL-object from the sanning points
- Load the SVG-File and choose the size and position
- Let GrblGru calculate the G-Code for the projection on your STL-object
- Start the NC-file with the 'onboard' UniversalGcodeSender

Attached you will find some STL, SVG and NC files, if you like to check the result.

Have fun with GrblGru
TextOnCylinder.JPG
Text on Cylinder
TextOnCylinder.JPG (40.86 KiB) Viewed 1574 times
HalfPipeHawk.JPG
Halfpipe Hawk (very rare species)
HalfPipeHawk.JPG (42.46 KiB) Viewed 1574 times
AllYouCanDo.JPG
Engraving examples with curved surfaces
AllYouCanDo.JPG (98.97 KiB) Viewed 1574 times
My workflow: Only a 2D-editor and GrblGru, that's it
Free download from https://GrblGru.com
Youtube: https://www.youtube.com/channel/UC4_AHk ... 61ZW4qBHWA

GrblGru
Posts: 248
Joined: Sat Nov 01, 2014 5:44 pm

Re: GrblGru: Engrave on curved surfaces

Post by GrblGru » Tue Jan 27, 2015 7:12 pm

Ok, here is the rest
Attachments
ExampleFiles.7z
simulation files
(29.37 KiB) Downloaded 66 times
GrblGru V1.16.7z
Please unzip and start Setup.exe
(426.96 KiB) Downloaded 67 times
My workflow: Only a 2D-editor and GrblGru, that's it
Free download from https://GrblGru.com
Youtube: https://www.youtube.com/channel/UC4_AHk ... 61ZW4qBHWA

Auarhau
Posts: 243
Joined: Tue Feb 25, 2014 8:46 pm

Re: GrblGru: Engrave on curved surfaces

Post by Auarhau » Fri Jan 30, 2015 8:30 am

I'm surprised this hasn't gotten any feedback yet. Looks very nice. But how do you probe glass and wood? I thought the material had to be conductive to probe it.
ShapeOko 2. Nema 17 74 oz·in. GAUPS shield on Arduino Uno. DRV8825 Drivers x4 . Kress 1050 FME-1. Z Acme Screw. Threaded inserts table.

WillAdams
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Location: Pennsylvania --- south of the Turnpike, East of US-15
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Re: GrblGru: Engrave on curved surfaces

Post by WillAdams » Fri Jan 30, 2015 11:29 am

Usually non conductive materials are covered w/ aluminum foil.
Shapeoko 3XL #0006 w/ Carbide Compact Router w/0.125″ and ¼″ Carbide 3D precision collets

GrblGru
Posts: 248
Joined: Sat Nov 01, 2014 5:44 pm

Re: GrblGru: Engrave on curved surfaces

Post by GrblGru » Fri Jan 30, 2015 12:10 pm

Thank you very much for your interest.

GRBL and TinyG supports the probing with a 'normal open' push button. I have build a simple probing unit
with a spring from a ballpoint pen and a sewing needle, that I have stolen my wife :).
On the attached picture you see this unit and also the wiring. The button must conneced between GND and A5.
If you like to see the unit in action please see here. https://www.dropbox.com/s/wibeaq8p42uhr ... g.mp4?dl=0

There are also some ideas for a measuring unit at: http://www.shapeoko.com/forum/viewtopic.php?f=11&t=5265
ProbeAtArduino.jpg
ProbeAtArduino.jpg (55.15 KiB) Viewed 1468 times
My workflow: Only a 2D-editor and GrblGru, that's it
Free download from https://GrblGru.com
Youtube: https://www.youtube.com/channel/UC4_AHk ... 61ZW4qBHWA

Schruminator
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Location: Littleton, CO
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Re: GrblGru: Engrave on curved surfaces

Post by Schruminator » Fri Jan 30, 2015 1:30 pm

This seems like an awesome feature, especially if it is easy to implement.

On the same note, I haven't had GrblGru pop up on my radar yet-- so I don't know much about it. Is there a page anywhere that I can learn more about it? Is it possible to use GrblGru in my current work flow (with Vectric Aspire generating the main gcode), or would the majority of my work flow/design have to be done through the GrblGru environment?
1.8m x 1.0m SO2 #3638 / Vectric Aspire / ACME Z-axis / View my photography at http://www.mschrum.com

Caesar S
Posts: 197
Joined: Mon Sep 29, 2014 7:19 pm
Location: Seattle, WA

Re: GrblGru: Engrave on curved surfaces

Post by Caesar S » Fri Jan 30, 2015 4:11 pm

What type of bit is used? I'm thinking a round ball mill?

GrblGru
Posts: 248
Joined: Sat Nov 01, 2014 5:44 pm

Re: GrblGru: Engrave on curved surfaces

Post by GrblGru » Fri Jan 30, 2015 6:14 pm

I think there is a misunderstanding. All this pretty things at the picture 'AllYouCanDo.jpg' are not build by myself. Excuse me, it was my fault not inform you about this explicit. I wanted to show just a few examples with curved surfaces.

My intention is only to write a little program for GRBL and also TinyG. Also, there is no special page. All ideas for the program coming out of this forum, and so you will find some topics about GrblGru here.

Schruminator. You are right. I try to collect some characteristics from all work flow components and bring them together in on program. But of course, you can use all your favorite components and mixed it with my program. For example you can load your GCode into GrbLGru to show the movement of your machine.
The program is still very young. If something does not work, please inform me. I will do my very best.

Caesar S. Sorry, I dont know. I think it's depends from the curvature. A round ball has the advantage, that the tool stands always normal to the surface.
My workflow: Only a 2D-editor and GrblGru, that's it
Free download from https://GrblGru.com
Youtube: https://www.youtube.com/channel/UC4_AHk ... 61ZW4qBHWA

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