Just wondering if anybody has successfully designed or found a clamping system and/or device that works well for clamping together a picture frame that consists of compound mitered work pieces????
Jerry Bowen
Jerry Bowen
Jerry Bowen
This item from Lee Valley might do it. Spring Clamps & Pliers - Lee Valley Tools
If that doesn't work think about using a good sticky masking tape. Many joints can be held together with it. Maybe adding biscuits or splines at the corners would help stabilize it.
I don't know if it will be possible to put much pressure on the corners but if they fit really well together you probably don't need much. One last option I have is to take a piece of ply/mdf/osb/ or particle board that is bigger than your frame and fix 2 boards at 90 degrees to each other and then 2 adjustable boards and gently squeeze it all together. If you tape the bottom of the joints together and squeeze the tops just enough to keep the joints together it should work.
If that doesn't work think about using a good sticky masking tape. Many joints can be held together with it. Maybe adding biscuits or splines at the corners would help stabilize it.
I don't know if it will be possible to put much pressure on the corners but if they fit really well together you probably don't need much. One last option I have is to take a piece of ply/mdf/osb/ or particle board that is bigger than your frame and fix 2 boards at 90 degrees to each other and then 2 adjustable boards and gently squeeze it all together. If you tape the bottom of the joints together and squeeze the tops just enough to keep the joints together it should work.
I like a method I seen on the Tommy Mac Donald show, "Rough Cut" PBS. He makes blocks that He glues on the outer edges of each board. Then by taking clamps and tightening them on the corners draws them together nicely, and You can see each glue joint perfectly. The blocks have 3 sides One 90 degree and one 45 degree edge. Putting a clamp on the two glue box 45 degree edge gives You the terfect gluing line. Use a softer wood, and any bits and pieaces that remain on Your frame after chiseling off the glue block, can be easily planed off!
Here's what I used for picture frames, although I don't make compound miters.
![]()
![]()
Those little corner pieces help with the glue up. These 'glue blocks' are just triangle scrap glued to a little piece of hardwood with sandpaper attached to the bottom. They are clamped to the picture frame with the Quick Clamps. Then I use the Bessey to draw the two corners together. Once again sandpaper insures they don't slip in the process.
You get excellent clamping pressure and I only work on two corners at a time so I really nice fit. Hope this helps.
Those little corner pieces help with the glue up. These 'glue blocks' are just triangle scrap glued to a little piece of hardwood with sandpaper attached to the bottom. They are clamped to the picture frame with the Quick Clamps. Then I use the Bessey to draw the two corners together. Once again sandpaper insures they don't slip in the process.
You get excellent clamping pressure and I only work on two corners at a time so I really nice fit. Hope this helps.
Ralph...
they are just great for picture frames...If you get a model that you can acquire additonal corners you can easily do more than 4 corners. They are also great for boxes, large and small and if you have 2, they work great on tall boxes as well,,,blanket chests, toy chests etc....it'll be a welcome addition to your shop
they are just great for picture frames...If you get a model that you can acquire additonal corners you can easily do more than 4 corners. They are also great for boxes, large and small and if you have 2, they work great on tall boxes as well,,,blanket chests, toy chests etc....it'll be a welcome addition to your shop
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
