Clear Coat

This forum is for general discussion about Aspire

Re: Clear Coat

Postby highpockets » Mon Oct 23, 2017 2:43 am

I have no idea what psi it is, but it's the cheap stuff..... 3/4" R4

Image 039.png
John
Maker of Chips
User avatar
highpockets
Vectric Wizard
 
Posts: 1278
Joined: Tue Jan 06, 2015 4:04 pm
Model of CNC Machine: PDJ Pilot Pro

Re: Clear Coat

Postby dwilli9013 » Mon Oct 23, 2017 2:00 pm

Looks awesome John. As soon as my machine is back up foam is the first job I want to run. (putting the new 8020 bed on my Machine)
Love the look of the finish.
D-Dub
Dwayne
Dwilli
User avatar
dwilli9013
Vectric Wizard
 
Posts: 830
Joined: Mon Sep 30, 2013 12:45 am
Location: Machesney Park Illinois
Model of CNC Machine: 3 axis Self Designed Self Built

Re: Clear Coat

Postby John Murphy » Mon Oct 23, 2017 5:33 pm

I use EPS foam from time to time. For a clear hardshell coating I use "Surfboard Resin", with good results.
So far I just brush it on, but I plan to try it in my "Critter" sprayer at some point.
I purchase it from Plastic World in Toronto.

Not sure if that's any help with this thread.

John
John Murphy
Vectric Wizard
 
Posts: 671
Joined: Thu Jan 15, 2009 1:08 am
Location: Maryhill Ontario Canada
Model of CNC Machine: AXYZ

Re: Clear Coat

Postby highpockets » Mon Oct 23, 2017 6:01 pm

John Murphy wrote:I use EPS foam from time to time. For a clear hardshell coating I use "Surfboard Resin", with good results.
So far I just brush it on, but I plan to try it in my "Critter" sprayer at some point.
I purchase it from Plastic World in Toronto.

Not sure if that's any help with this thread.

John


John, I'm assuming the "Surfboard Resin" is epoxy based, the polyester resin I used on my last project eat the blue stuff. I thought about using some stuff called R-Max, it works fine with polyester resin, but it's a softer foam then the blue stuff when you remove the outside paper.
John
Maker of Chips
User avatar
highpockets
Vectric Wizard
 
Posts: 1278
Joined: Tue Jan 06, 2015 4:04 pm
Model of CNC Machine: PDJ Pilot Pro

Re: Clear Coat

Postby John Murphy » Mon Oct 23, 2017 6:24 pm

Hi John.

I'm not sure exactly what type of resin it is, but it goes on the blue construction foam(EPS) without an issue. It gets hard enough that you can sand it, and it can be painted. (I haven't tried to colour it prior to application, but I may in the future.

Just to clarify, EPS foam is not my number one choice for a foam product, but sometimes the customers application and budget allow for it's use.

John
John Murphy
Vectric Wizard
 
Posts: 671
Joined: Thu Jan 15, 2009 1:08 am
Location: Maryhill Ontario Canada
Model of CNC Machine: AXYZ

Re: Clear Coat

Postby highpockets » Tue Oct 24, 2017 5:09 am

dwilli9013 wrote:Looks awesome John. As soon as my machine is back up foam is the first job I want to run. (putting the new 8020 bed on my Machine)
Love the look of the finish.


Thanks Dwayne.

I really like using 8020, it's easy to work with and modify.
John
Maker of Chips
User avatar
highpockets
Vectric Wizard
 
Posts: 1278
Joined: Tue Jan 06, 2015 4:04 pm
Model of CNC Machine: PDJ Pilot Pro

Re: Clear Coat

Postby Olle » Thu Oct 26, 2017 2:50 am

Interesting. I have been thinking about making a sign using different colors of the thinner foam board you can buy in crafts stores. Cut the letters in one color and then glue them to a board of a different color. Or maybe even glue them together first and cut through the top sheet. Not sure what would happen with the adhesive though, high rpm router bits tend to make a mess in softer materials.
Olle
Vectric Craftsman
 
Posts: 105
Joined: Wed Sep 28, 2016 4:51 pm
Model of CNC Machine: Laguna MCNCIQ

Re: Clear Coat

Postby highpockets » Thu Oct 26, 2017 3:06 am

Olle wrote:Interesting. I have been thinking about making a sign using different colors of the thinner foam board you can buy in crafts stores. Cut the letters in one color and then glue them to a board of a different color. Or maybe even glue them together first and cut through the top sheet. Not sure what would happen with the adhesive though, high rpm router bits tend to make a mess in softer materials.


I glued two 3/4" pieces of foam together, had no issues with the glue joints when cutting the sign.
John
Maker of Chips
User avatar
highpockets
Vectric Wizard
 
Posts: 1278
Joined: Tue Jan 06, 2015 4:04 pm
Model of CNC Machine: PDJ Pilot Pro

Re: Clear Coat

Postby Olle » Fri Oct 27, 2017 12:54 am

I might just give it a go then. I have made several simple signs by painting 1/4" plywood black, and cutting through about 1/8". It tends to chip though, so I figured that some kind of foam would work better. Something like that foam you're using would be perfect, then glue some black poster board to it. Just gotta find some white foam for my next one.

By the way: What kind of glue did you use and how long did you let it dry? I was thinking spray adhesive (like the Elmer's variety you can buy at Wally World), but it's kinda ooey gooey so I don't know if that's the best option.
Olle
Vectric Craftsman
 
Posts: 105
Joined: Wed Sep 28, 2016 4:51 pm
Model of CNC Machine: Laguna MCNCIQ

Re: Clear Coat

Postby highpockets » Fri Oct 27, 2017 3:17 am

Olle wrote:By the way: What kind of glue did you use and how long did you let it dry? I was thinking spray adhesive (like the Elmer's variety you can buy at Wally World), but it's kinda ooey gooey so I don't know if that's the best option.


I used Titebond wood glue, I let it dry for several days before cutting. I had no delamination when machining.

I'd recommend testing any spray adhesive on a sample piece of foam, some aerosol propellants can eat the foam.
John
Maker of Chips
User avatar
highpockets
Vectric Wizard
 
Posts: 1278
Joined: Tue Jan 06, 2015 4:04 pm
Model of CNC Machine: PDJ Pilot Pro

Re: Clear Coat

Postby highpockets » Tue Oct 31, 2017 4:45 pm

Clear coat is done and curing. Makes a really nice hard plastic like feel to the sign. There are some minor flaws that I think I can address when I buff it out. All in all I'm very pleased with the outcome.

rockhopper.png
John
Maker of Chips
User avatar
highpockets
Vectric Wizard
 
Posts: 1278
Joined: Tue Jan 06, 2015 4:04 pm
Model of CNC Machine: PDJ Pilot Pro

Re: Clear Coat

Postby mtylerfl » Tue Oct 31, 2017 4:55 pm

Sure does look cool! Nice finish!
Michael Tyler

carvebuddy.com

facebook.com/carvebuddy

-CarveWright CNC
-ShopBot Buddy PRSAlpha CNC
User avatar
mtylerfl
Vectric Wizard
 
Posts: 2445
Joined: Thu Jan 29, 2009 3:54 am
Location: Brunswick, GA
Model of CNC Machine: -CarveWright CNC -ShopBot Buddy PRSAlpha

Re: Clear Coat

Postby dwilli9013 » Tue Oct 31, 2017 5:17 pm

Nice work John. Sure appreciate all the photos as you have progressed. Thanks for sharing. :lol: 8) 8)
D-Dub
Dwayne
Dwilli
User avatar
dwilli9013
Vectric Wizard
 
Posts: 830
Joined: Mon Sep 30, 2013 12:45 am
Location: Machesney Park Illinois
Model of CNC Machine: 3 axis Self Designed Self Built

Re: Clear Coat

Postby mike1966 » Wed Nov 01, 2017 6:32 pm

Where can you buy foam coat
mike1966
Vectric Craftsman
 
Posts: 101
Joined: Mon Jan 23, 2012 12:35 am
Model of CNC Machine: shopmade 5axis

Previous

Return to Aspire - General

Who is online

Users browsing this forum: Bing [Bot], JamesRS, Yahoo [Bot] and 19 guests