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  #11  
Old 08-13-2017, 06:37 PM
Bob Walters Bob Walters is offline
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Originally Posted by gachua View Post
Really nice as always !!

Question on the profile you put around the corian. Was this done on the CNC or did you do by hand on router table? Also... What bit?

Thinking maybe a 120" V Bit with an on or outside profile down about .125 or .25...
So how I do the edge, I offset the square/rectangle around the work piece by .2 and I Vcarve the .2 channel with a 60 degree Vbit. After that I cut the piece out using that outside line with a 1/4 inch down cut bit and in the "machine Vectors section of the toolpath I do an "allowance offset" of -.08 (minus .08) which seems to cut the piece out just inside the bottom of the Vcarve. You can play with that number to have more or less on the chamfer, I found that -.08 to -.1 is the sweet spot on 1/2 thick material. On 3/4 inch material I Vcut the channel at .3 and then offset it by -.13 to -.15 to get the same results. (I'll attach a picture that shows both the 3/4 inch material and the 1/2 inch Corian together, it may be more pronounced then the Ducks picture.)
It's was hit and miss in the beginning to have it come out right, if I resized the image and the lines are already in there it changed that .2 size and things start to have a razor sharp edge, so now I make sure to check that width before sending it to the machine.
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File Type: jpg Badge on Wood.jpg (96.3 KB, 32 views)
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Bob Walters
Lebanon, Ohio

2016 Stinger II SR-44
Fast Tool Change
Laser Cross Hair
3.0 kW Spindle
1200 oz Digital Stepper Drive System
Remote Handheld Keypad
Vectric VCarve Pro 9.0

www.cool-signs.com
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  #12  
Old 08-13-2017, 06:57 PM
drummerjg drummerjg is offline
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Join Date: Dec 2016
Location: Addison, PA
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Originally Posted by Bob Walters View Post
Oh and speaking of messing up, my cool new HDPE vacuum table met the end of an 18,000 rpm 1/4 inch cutter earlier today when I was messing with the HDU. Moral of the story here is "while cutting HDU on a HDPE table make sure you don't have HUA".
Wow...Im really sorry to hear about the new table, Bob. And I am afraid I need to showcase more of my inactive gray matter cells.....what is HUA?
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Joe Garber
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  #13  
Old 08-13-2017, 07:06 PM
Bob Walters Bob Walters is offline
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Originally Posted by drummerjg View Post
Wow...Im really sorry to hear about the new table, Bob. And I am afraid I need to showcase more of my inactive gray matter cells.....what is HUA?
Head up ass haha
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Bob Walters
Lebanon, Ohio

2016 Stinger II SR-44
Fast Tool Change
Laser Cross Hair
3.0 kW Spindle
1200 oz Digital Stepper Drive System
Remote Handheld Keypad
Vectric VCarve Pro 9.0

www.cool-signs.com
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  #14  
Old 08-13-2017, 08:10 PM
drummerjg drummerjg is offline
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Hilarious...I should have known! But Im still learning all these technical cnc terms.
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Joe Garber
Retired Hobbyist
Stinger 1 SR24
FTC
Laser Pointer
HSD 1.7kw Spindle
Indexing Lathe
WinCNC
Aspire 9
trommlerjg@gmail.com


How to count to 10 in software:
1,2,3,95,NT,2000,XP,Vista,7,8,10
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  #15  
Old 08-14-2017, 09:30 AM
Brian O Brian O is offline
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Location: Sykesvile Md
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Bob

Your finish looks awesome. How do you level the epoxy pour to the corian surface? Are you just sanding it flat and bringing it through the grits and a final polish? I imagine you have more time involved in the finish process than all the rest of the job combined.
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  #16  
Old 08-14-2017, 11:23 AM
Bob Walters Bob Walters is offline
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Join Date: Oct 2015
Location: Lebanon, Ohio
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Originally Posted by Brian O View Post
Bob

Your finish looks awesome. How do you level the epoxy pour to the corian surface? Are you just sanding it flat and bringing it through the grits and a final polish? I imagine you have more time involved in the finish process than all the rest of the job combined.
Actually the only tricky part is keeping the bubbles at bay. The sanding and polishing for this sign in total for this sign only took me about 20-30 minutes. The Festool RO 150 Rotex sander is the key in my opinion (most used tool in my garage).
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Bob Walters
Lebanon, Ohio

2016 Stinger II SR-44
Fast Tool Change
Laser Cross Hair
3.0 kW Spindle
1200 oz Digital Stepper Drive System
Remote Handheld Keypad
Vectric VCarve Pro 9.0

www.cool-signs.com
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