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I don't have a multicam, but I do have an Axyz with vision and while it does knife cut well, it's definitely not in the same speed range as a dedicated knife system with a router - say like the Colex, Zund or Kongsberg varieties. Those types of tables are going to read and process knife based...
We usually mount polyester vinyl like that with some heat assist and fairly slow on PVC which can be pretty low surface energy depending on the brand. Have you tried a downcut bit?
We use the Oracal mirror gold most of the time. It's usually the easiest to source and the folks at Oracal are always very helpful. We're printing with Uv flatbed on the stuff so I don't know how ink receptive it is for eco-sol or latex. We've had some terrible experiences with the Rtape...
We run a Synology mechanical HD NAS that Casey at Signburst set up for us. We were flooded just after summer and we weren't remotely backing up the files. I was extremely fortunate that the hard drives didn't get water, but the NAS system did. I was quoted $19,000 from a hard drive recovery...
Pretty sure we used Pershing Rubber roller Co who looks to have merged with Passaic roller Co. Pershing redid 2 rollers for us on our big AGL with heat elements for a steal compared to what AGL wanted. https://passaic.com/acquisition-increases-market-for-passaic/
I'm not familiar with the mimaki ink sets, but adhesion promotor should help it stick. We've also gotten away with taking a propane torch and flashing the surface to 'fake' a corona treatment in some applications.
Why roll to roll Vs flatbed? Do you plan on primarily printing directly to rigid substrates? I ask because all the mounting you'll have to do with a roll to roll onto rigid substrates. Registration can become a bit of a problem if you're cutting everything afterwards.
Power wise our AXYZ needs a 30 amp 3ph 220V connect for the CNC itself, a 40 amp 3ph 220V connect for the hold down Vac, standard 120V outlet for the camera setup that also powers the Jet chip vacuum we use. We have a single phase 220V connect elsewhere in the shop for our larger compressor...
Other's may have different input, but I think we'd lean towards silicone so there's so room for flexibility in the expansion/contraction of the sign face.
Harbor Sales sells Medex MDF which is really some of the densest MDF I've used. We make a lot of jigs and fixtures out of it, but I didn't want to use that for a spoilboard given our Vac's only 9-10hp. I didn't think we'd get enough pull through the material after milling the faces off both sides.
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