I got some old penetrating epoxy put on the Pink Foam today. I just used a throw away brush to apply. As I was applying, the foam was dusting, and those particles became imbedded in the epoxy. It didn’t penetrate nearly as much as I hoped, but the old stuff did manage to harden up (thank goodness):
The surface got a lot glossier than I really wanted it to, and there’s some voids too where the epoxy wouln’t stuck down. I didn’t try applying a second coat to fill the voids, as I figured it would just make the project even glossier. I’ll scuff it up with some coarse sandpaper just before I try it.
BTW .. the old B&D Workmate is an excellent support removal workspace. I’ve been using a 1″ wood chisel as the main removal tool, and the Workmate has saved my fingers a lot.
I’ll give the epoxy coated foam a shot tomorrow, while I’m working on the FDM2000.
I needed to re-run my one-off part after some modifications, so I figured I’d try the pink foam again. I back the Z off to 0.005″ above the foam before running. The part still stuck well to the foam:
Rather than trying to pop the part off using a scraper, I tried running a wire (a potters’ cutoff tool) underneath the part to seperate from the foam base — it was better than the big divot from my 1st try, but still left some big scuffs in the old foam (the wire is in the photo too):
I think what I’ll try next is a thick coat of pentetrating epoxy (I’ve got some old stuff to use up before it goes completely bad). Hopefully, this will soak into the foam (and dry) to form a good stable base that won’t break away.
I picked up some ‘Pink Foam’ on eBay recently. It was not in a Stratasys box, and didn’t have a Stratasys part number, so I don’t know where it came from. It was listed with son other Stratasys FDM items, so there was a chance it would work with my FDM 1650.
It fit perfectly in my tray (old yellow foam to left):
I ran a one-off part, and the support was nicely attached:
But, a big hunk of foam popped off when I removed the part: