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2013年7月14日 星期日

Adhere miter joints-wait a minute

A real source of frustration can miter joints. The pieces have the exact length and cut edges can get as perfectly close as you. If they look great not directly from the saw, use a shooting Board and a plane, or rub the surfaces on a piece of sandpaper on a flat piece of scrap stuck. It does not matter who will use you, but your friends be not so impressed with your sanding block, as with your shooting Board. Every time chips trump Staub.IMG_2207

One way is to get better joints, use a glue, "grabby" is. Hot hide glue is grabby, but liquid hide glue. Good old yellow adhesive type is grabby, but white glue is really grabby. The first step is to put a space in the glue on one side of the joint. You need no special brush and you've got to spread around. The two parts of the joint rub together.

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Open the joint and will see a even layer of glue on both parts of the joint. But not along the joint still.

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Keep the joint open for a few minutes. May be surprised what see you as the time passes. The photo below shows what happens to the adhesive. It leads into the pores of the wood away from the actual joint surface. The the bad news is the joint in his hand but the good news, if you want to turn a further DAB glue.

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The adhesive from the first round partly dries and forms a barrier, which adheres to the wood and adheres to the second DAB glue.

IMG_2211Put an another dollop of glue on one side of the joint, put the two parts together to rub back and forth. You will feel resistance as the glue grabs. Make sure the two pieces are lined up, and put the Assembly for the adhesive to dry.

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The joint will hold together, as long as not to confuse you with it. Glue dries in steps, and just because you can pick up a piece and have it doesn't mean stay together that you can emphasize the joint. Chemical reactions take place, the moisture in the adhesive must evaporate and it takes about 24 hours or so.

-Robert W. long

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Robert W. lang is editor in Chief of woodworking.

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