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Wide Belt Sander for Veneer particle core panels6/9/21
Is anyone using a wide belt sander for sanding 5/8-3/4" Veneer particle core panels?
Yes, you need a segmented platen sander. Works like a charm and stains more uniformly. Depending on your volume well worth the investment.
I got a quote on a 2 head recently and it was 90K new. It was specific to my needs and your needs may be different. The benefit of a two head for veneer is that you run the heads counter rotating and it sands in one pass. The alternative is a single head and you want to sand in both directions.
Sounds like you don't have a wide belt at all so a more appropriate machine would be a two head. First head Drum, second head combination head with a segmented platen. With the second head you can sand, drum only, platen only or drum and platen. Very versatile machine. You can level doors and frame, sand hardwood, sand veneered panels.
PM me if you want details on the quote I got.
Thanks guys, very useful info. Looks like these suggestions will work for our situation.
Are you talking commodity veneer or custom laid up veneer? Commodity is so ridiculously thin now that you have to be super careful.
With a segmented platen we can send commercial plywood through several times before it burns through. If you have a need to sand veneer I believe a segmented platen is worth it.
Why do you use an orbital after the wide belt? Have you done stain tests both ways?
Because of the very linear scratch pattern a widebelt leaves on the surface?
If you look at basic machines like a drum/combi-head machine and want to sand veneer you want to be sure you buy a "dead shaft" machine with the ability to pop the drums out of the way without changing their settings. It is called air exclusion. Most Chinese and Taiwanese machines do not have this feature.
The platen MUST have the ability to pop down onto the part and up at the end. These types of plates will have either air or air bladders so they can float a bit. These can do a reasonable job.
Segmented platens are definitely the best but they cost big money.
I work with sanding machines for a living. Feel free to IM me if you need further assistance.