將膠合板用於榫眼和榫眼連接是否可行/一個好主意?


0

我當時正在考慮使用3/4英寸膠合板製作儲藏櫃。要加入它們,我正在考慮在側面和籃板之間使用榫眼和榫眼接頭。我找不到任何有人製作榫眼和榫眼的youtube視頻。接頭使用膠合板,所以我想這是一個壞主意。膠合板太薄而無法形成堅固的榫頭嗎?

如果我想只用細木工/不用釘子做一個櫥櫃,那他應該使用什麼接縫?棉籤和木釘?

3

Plywood doesn't really work with traditional joinery. Because it is made from alternating plies or other composite construction it is hard to make a snug tenon fit. Further, many of the joints will be mostly end-grain. Both of these issues make tight glue joints nearly impossible with those sorts of joint. And, though the outside ply will readily work well with PVA glues, the internal plies themselves may be constructed with glues and additives that do not work well with PVA. This generally makes for an ill-fitting, weak joint that does not take advantage of how PVA glues work.

You'll find most plywood construction is made with biscuits, dowels, or pocket screws. That is, most plywood construction makes use of fasteners for aligning and providing some additional stiffness.

Depending on the application, you might get away with finger-joints if that was a construction detail that appealed to you. It may not be tremendously strong, though. It may depend on the rest of the construction and the type of plywood. But it is generally a reasonable option for many.

Finally, I suppose you could experiment with what boat-builders do with plywood. They tend to use mechanical fasteners as well, but where they don't, they often use epoxies and other special adhesives with lap-style joints to provide strength with flexibility. A special case, maybe, but it points out one of the first major industrial uses of plywood materials.