1911 Grip with USMC Globe & Anchor

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wb9tpg
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1911 Grip with USMC Globe & Anchor

Post by wb9tpg »

I'm really loving the laser module. I had to alter the GRBL post processor to remove any Z motion. At first I was tempted to remove the Z entries but I decided to use the scale factors to accomplish the same thing by reducing the motion to 0.

Here are the entries in the customized PP and I thought this was a clever approach to share. I also included the $32=1 at the beginning so I never forget to turn it on/off. I can almost do it with one post processor if it had one more tweak to it.
+-----------------------------
+ Reduce Z motion to 0
+-----------------------------
VAR Z_POSITION = [Z|C|Z|1.3|0.00001]
VAR Z_HOME_POSITION = [ZH|A|Z|1.3|0.00001]
And the new Laser Module does really nice work. J-Tech 4.2W spindle mount laser (80% Power / 1100mm / min).
IMG_2138.JPG
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Gary Mitchell
Kentucky, USA

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mtylerfl
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Re: 1911 Grip with USMC Globe & Anchor

Post by mtylerfl »

Very nice, Gary!
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Jan.vanderlinden
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Re: 1911 Grip with USMC Globe & Anchor

Post by Jan.vanderlinden »

That's sweet.
Great job.
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TReischl
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Re: 1911 Grip with USMC Globe & Anchor

Post by TReischl »

Nice job! I see your fixture seems to be working really well too.
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Re: 1911 Grip with USMC Globe & Anchor

Post by Bob Reda »

I like that!

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wb9tpg
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Re: 1911 Grip with USMC Globe & Anchor

Post by wb9tpg »

And Walnut and Cherry too
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Gary Mitchell
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mtylerfl
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Re: 1911 Grip with USMC Globe & Anchor

Post by mtylerfl »

Wow, those are beautiful!

You’ve really got a grip on things, Gary! :D
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wb9tpg
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Re: 1911 Grip with USMC Globe & Anchor

Post by wb9tpg »

And I'm in a US Navy mood today. First time playing with scaling a STL on one axis only during the import. Also, I tried Hatch Fill with the Laser Module for the first time. It all worked. I think I finally for my post processors sorted out.
IMG_2147.JPG
Gary Mitchell
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Jan.vanderlinden
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Re: 1911 Grip with USMC Globe & Anchor

Post by Jan.vanderlinden »

As I mentioned before, beautiful piece of work.
But I gotta ask.
You mentioned before that you set the Z to zero movement.
If that's the case, are you not loosing focus when burning the on the curvature of the handle?
I have the J-Tech 7 watt, and the focus is at 1.5", which is .125" above the work.
Being that it has a shroud on it, that doesn't leave much room for Z travel. (3D work)
I've been doing all flat work with other laser software.
Last edited by Jan.vanderlinden on Fri Jul 17, 2020 10:09 pm, edited 1 time in total.
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wb9tpg
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Re: 1911 Grip with USMC Globe & Anchor

Post by wb9tpg »

The depth of field for the laser is large enough that you can easily get away setting it to 1/8" above the workpiece and running the job that way. Keep you from breaking your laser unless you're careless
Gary Mitchell
Kentucky, USA

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