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laser joint tool
Lucas_Reason
Member Posts: 3 EDU
hi I recently learn about the laser joint tool from an online tutorial. however when I try to find/use it is nowhere to be found
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alnis
Member, Developers Posts: 449 EDU
You can find the tools here:
Laser joint FeatureScript:
https://cad.onshape.com/documents/578830e4e4b0e65410f9c34e/v/75269c4a1a5ece98be1e2b6f/e/dfd5effddfd7f2ecce4b0246
Auto layout FeatureScript:
https://cad.onshape.com/documents/576e01dbe4b0cc2e7f46a55d/v/731e73ac0b7b1e4334f13106/e/887d6e2324589bfd2058c3e1
Select the + Custom features button:
Then click the feature name:
Hope this helps!Student at University of Washington | Get in touch: contact@alnis.dev | My personal site: https://alnis.dev3
Answers
Laser joint FeatureScript:
https://cad.onshape.com/documents/578830e4e4b0e65410f9c34e/v/75269c4a1a5ece98be1e2b6f/e/dfd5effddfd7f2ecce4b0246
Auto layout FeatureScript:
https://cad.onshape.com/documents/576e01dbe4b0cc2e7f46a55d/v/731e73ac0b7b1e4334f13106/e/887d6e2324589bfd2058c3e1
Select the + Custom features button:
Then click the feature name:
Hope this helps!
This is a great script thanks for making it. I would like to know more about the option within the laser joint script called allowances.
I'm having trouble getting a great fit with the boxes and I imagine this option has something to do with the amount of kerf taken out by the laser. Could you describe it in a little more detail to me?
I did not make this script---all credit goes to @lemon1324!
As for the allowance value: that is how much the faces are offset. So, if you had a part that was made perfectly, and the allowance is 0, then you would have no gap at all. A positive allowance adds extra space, for example for wood glue. A negative allowance allows you to make the parts intersect: this lets you have a tighter fit, especially if you're using a laser cutter that takes out material. If you set it to half of your laser's kerf width, but negative, it will make up the extra material you laser would cut away. You might need to play around with this value a bit by cutting some test parts to get the fit you want. Generally the value will be negative if you're using a laser cutter, waterjet, etc. that cuts directly along DXF lines.
Sorry for the late reply!
The advantage here is that the overall dimensions of your part and any holes you drilled etc are also all compensated to come out at the nominal size.
For "typical" hobby/school grade lasers I usually get good results in 6mm wood/acrylic leaving no allowance in the laser joint and compensating 0.008" kerf and 0.001" allowance in the kerf compensation feature.
PhD, Mechanical Engineering, Stanford University
I want my tabs to be slightly longer than the thickness of the board so that burnt edges can be easily cleaned by sanding the tabs flush.
However, the Pin face offset feature doesn't always produce expected results, as you can see in document https://cad.onshape.com/documents/0af9f4b3cc178e59f5cb3c30/v/355b649f903f96648a0ed6b4/e/46c857de67462e6ad951460c
All five sides were joined in one operation. Some sides are correct (all tabs have correct offsert), some sides are partially correct (most tabs have offset), but some sides are missing the tab offset completely.