precaution when trimming your part ?


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Jess8bit
Jess8bit
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Hi guys,

Do you take any particular precaution when you trim your part with your Dremel ? How do you protect the surface from scratches that may occur during the trimming ?

I've had this problem : the srface was nice after demolding. After triiming the part, I've jad the bad surprise of observing many scratches and holes in the surface. My assumption is that I made the scratches myself simply by holding the part with my hand (with gloves on) and handling it durng the process (maybe because of carbone dust ?).

Hence the question. I'm thinking about covering the surface with a plastic film hold by masking tape all around the part edges.

What do you think ?

thank you !!
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wozza
wozza
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Unless the part is really complicated with lots of recesses and steep sides etc you should not really need to stick the first layer down. Just pull vac in stages ie pull a small amount of vac and close off the valve, position the bag carbon etc and pull some more vac. Continue this way until you have full vac and everything is in place and tight against the mould surface. If you are not happy just release some of the vac and start the process again.

Carbon Copies Ltd
GO

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