3D printed Mould on Glass surface - Resin Infusion


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S_Carbon_fibre
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Hello,

I am working with resin infusion using this 3d print as a mould on a glass surface



This side looks fine:



My goal is to have a flat surface with a cavity but my 3D print is trapped within resin in the carbon fabric and I can't remove it. See below:



Any ideas how to avoid this or how to proceed? Possibly how to make the 3D print and the glass as ''one'' body before the infusion? Thank you
Edited 5 Years Ago by S_Carbon_fibre
MarkMK
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If absolute detail wasn't too much of an issue, you could try covering the hole thing in 1mm sheet wax. It's quite conformable, especially with a bit of help from a heat gun. Of course. the surface wouldn't be glossy and the finished part would be 1mm bigger but it would allow things to release properly, if other coatings on your 3D part aren't suitable. 

Failing that, you could try to re-create your part in silicone, first creating a silicone mould and then a copy of the part. This would then release okay. 
S_Carbon_fibre
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MarkMK - 1/24/2019 10:44:51 AM
If absolute detail wasn't too much of an issue, you could try covering the hole thing in 1mm sheet wax. It's quite conformable, especially with a bit of help from a heat gun. Of course. the surface wouldn't be glossy and the finished part would be 1mm bigger but it would allow things to release properly, if other coatings on your 3D part aren't suitable. 

Failing that, you could try to re-create your part in silicone, first creating a silicone mould and then a copy of the part. This would then release okay. 
Thanks for the response, very helpful! Absolute detail is not of an issue but a glossy surface is desired. I never tried the sheet wax, sounds like a possible/good solution. I am just thinking now, maybe I could 3d print the whole shape that the sheet wax will take and coat it with something like the "S120 sealer" to create a mould with a glossy surface? I guess I have chances to succeed this way right? Any recommendations for this solution? many thanks

D3O Phil
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S_Carbon_fibre - 1/24/2019 11:05:38 AM
MarkMK - 1/24/2019 10:44:51 AM
If absolute detail wasn't too much of an issue, you could try covering the hole thing in 1mm sheet wax. It's quite conformable, especially with a bit of help from a heat gun. Of course. the surface wouldn't be glossy and the finished part would be 1mm bigger but it would allow things to release properly, if other coatings on your 3D part aren't suitable. 

Failing that, you could try to re-create your part in silicone, first creating a silicone mould and then a copy of the part. This would then release okay. 
Thanks for the response, very helpful! Absolute detail is not of an issue but a glossy surface is desired. I never tried the sheet wax, sounds like a possible/good solution. I am just thinking now, maybe I could 3d print the whole shape that the sheet wax will take and coat it with something like the "S120 sealer" to create a mould with a glossy surface? I guess I have chances to succeed this way right? Any recommendations for this solution? many thanks

assuming you have put enough mould release on the 3D printed part can you not put a screw into the part and give it some welly?
Also a thin blade/wedge between the part and the fibre should help release the mould

S_Carbon_fibre
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D3O Phil - 1/24/2019 12:36:33 PM
S_Carbon_fibre - 1/24/2019 11:05:38 AM
MarkMK - 1/24/2019 10:44:51 AM
If absolute detail wasn't too much of an issue, you could try covering the hole thing in 1mm sheet wax. It's quite conformable, especially with a bit of help from a heat gun. Of course. the surface wouldn't be glossy and the finished part would be 1mm bigger but it would allow things to release properly, if other coatings on your 3D part aren't suitable. 

Failing that, you could try to re-create your part in silicone, first creating a silicone mould and then a copy of the part. This would then release okay. 
Thanks for the response, very helpful! Absolute detail is not of an issue but a glossy surface is desired. I never tried the sheet wax, sounds like a possible/good solution. I am just thinking now, maybe I could 3d print the whole shape that the sheet wax will take and coat it with something like the "S120 sealer" to create a mould with a glossy surface? I guess I have chances to succeed this way right? Any recommendations for this solution? many thanks

assuming you have put enough mould release on the 3D printed part can you not put a screw into the part and give it some welly?
Also a thin blade/wedge between the part and the fibre should help release the mould

thanks for the response! I just tried with a screw, unfortunately the 3D print is trapped with a good amount of resin between its surface and the carbon fibre.

Edited 5 Years Ago by S_Carbon_fibre
S_Carbon_fibre
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I am considering 3D printing the negative of the whole shape I would like to get as one body, something like this above. Would that work? If yes, do I need to put the inlet and outlet hoses on the 3d printed part or if I will work on a glass surface the hoses can also be placed on the glass? thanks for the responses.
Edited 5 Years Ago by S_Carbon_fibre
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