![]() Why add another step (cost) if you can glue them up square in the first place. We do a lot of overlays but we never trim doors unless it's absolutely essential. Why worry about it? Are you pre-finishing and then gluing up last? Pipe clamps have worked for me for a long time without any thought to making the glue-up square. We have another larger with fences left and right which allows four or more doors to be clamped at a time.Ĭlick here for higher quality, full size image It’s been a good middle ground until a commercial option is in the budget. Basically a sheet of birch ply or MDF, applied fences along the base and side(s) and you can clamp up multiple doors and face frames pretty quickly with bar, pipe, or parallels. We use a simple shop made face frame/door table that hangs on the wall. Our joints are always 1" tongue and groove so once that glue has its initial tack and it's impossible to move. Once we're done with the tenth we remove the first one and start the next round. I ended up buying enough to do ten doors at a time. Plus, if you do and larger doors or panels with solid edges these clamps are great for that as well - a nice wide caul and four clamps will do almost anything. ![]() They're overkill in terms of clamping power, but since they're wide and heavy they stay put and support the door easily and don't ever roll over like a pipe or bar clamp. On a hunch I bought some used panel clamps from JLT to use as cabinet door clamps, and now that's all we use. Half your time is wasted wrestling with clamps, whether they're pipe, bar, or k-bodies. ![]() Pipe clamps produce just as square door as the door machine. As for square, it depends on your process. I suppose the next step would be to get two machines so there would be longer clamp time. If I didn't already have the machine going back to bar clamps would be just fine with me. I have a door clamping machine, and while it is fast, the doors are not in the machine long enough. I refuse to pin my doors with nails in lieu of leaving them in the clamps. I use a base of an hour for dry time so I can do about ten doors an hour so I need 20 clamps. Then I remove the door from the clamp area to the drying area and starting over. That is a light scuff with 150 on all profiled surfaces, applying the glue and spreading with a brush to cover the tongue and all shoulder and coped surfaces, assembling the rails and installing the panel and applying the clamp pressure and squaring the door. I find it takes me about six minutes to clamp a door. All you need is enough clamps so the glue dries and you can remove and re-use the clamps that you used previously. I do have a thought about how to build a clamping mechanism but I've not worked the bugs out of it yet. It's effective but I too would like to have something a little faster. Right now I'm using two pipe clamps that have the wide base on them and two smaller clamps to pull the ends flush. I mainly outsource so I don't want a big assembly table taking up floor space. I recently got set up to do raised panel doors and have been doing some doors. Does anybody have any door clamp jigs or fast ways to square clamp doors? A door clamp machine is not in the budget at this time. ![]()
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