CNC Pen for testing

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acourtjester
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CNC Pen for testing

Post by acourtjester » Tue Jul 21, 2015 10:27 pm

Here is a Pen attachment I made for my daughter's router table and a video showing one I have for my table.
https://www.youtube.com/watch?v=z56Hjot7dSQ
https://www.youtube.com/watch?v=Tet2rRsqBts
CNC Pen (2).jpg
CNC Pen (1).jpg
I use Mach 3 (standard) post processor
Set up with the pen just touching the paper and "0" out the Z axis then run G code

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DIY 4X4 Plasma/Router Table
CandCNC DTHC-IV & Feather Touch
Hypertherm PM65 Machine Torch
Drag Knife and Scribe
Miller Mig welder
13" metal lathe
Small Mill
Everlast PM 256 tig

mustangbill
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Joined: Sun Jun 07, 2015 2:47 pm

Re: CNC Pen for testing

Post by mustangbill » Tue Jul 21, 2015 11:48 pm

great idea, would sure save metal at least you can find out if the table is running true
I know mine is out can cut two of something and its sure to screw up on the 2nd one
even on stuff I have cut numerous times, getting I am getting scared to do large items
how do you control the contact to the paper or is that taken up with the spring

mustangbill

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acourtjester
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Re: CNC Pen for testing

Post by acourtjester » Wed Jul 22, 2015 7:14 am

The spring is used to control the contact with the paper and if the writing surface is uneven.
One thing I did not say is that you need to create a Pen tool and this requires using "plate Marker" as the tool type.
All others require pierce and delays as part of the tool's operation. Use no offset in the operations section so it draws on the line of the file.
See attached image
pen tool.jpg

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DIY 4X4 Plasma/Router Table
CandCNC DTHC-IV & Feather Touch
Hypertherm PM65 Machine Torch
Drag Knife and Scribe
Miller Mig welder
13" metal lathe
Small Mill
Everlast PM 256 tig

radicalrescue
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Re: CNC Pen for testing

Post by radicalrescue » Wed Jul 22, 2015 9:51 pm

thats cool ill have to try one like that thanks

prajwal31
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Joined: Tue Oct 22, 2019 3:09 am

Re: CNC Pen for testing

Post by prajwal31 » Tue Oct 22, 2019 8:22 am

Excellent thread..!!!

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