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How To Use A Jointer In Woodworking

Working with wood is a really rewarding job because you get to see the results of your effort and hard work first hand. One of the main problems that any kind of wood worker will encounter is that the wood they are working with is not perfect. Straight wood is essential for getting the job done. Often when you buy a piece of wood you may find that there is a bow or bend in the wood, in other words the wood may be uneven.Click to replace anchor text

When you get a bend or uneven piece of wood you don’t need to throw it out, the thing to do is to use a jointer to straighten the wood out. A jointer is a wood working tool that has a platform at the bottom that the wood rests on. You feed the wood through a cylindrical saw that rests in the middle of the platform. The top of the saw blades is just a little bit higher than the top of the in feed platform. The out feed platform is the same height as the top of the saw blades. This is the machine that will straighten out your bent piece of wood by cutting away at the bow.

If the wood has a high and low point that makes it wobble. you want to choose the high corners and mark those for reference. You want to find the face that is least twisted when doing this to begin your work. The high points are points that you are going to be lowering in order to create a straight surface.

The technique to doing this includes using a push pad to hold the front of the board down in order to avoid injury and you want to use a push stick on the back to push the wood forward. When the board is very twisted you will want to apply a lot of pressure on the high points in order to get rid of them. Only apply medium pressure on the straighter points of the board. If the wood is only a little bent you can apply medium pressure the whole time to flatten it out, but if it is very bent you want to apply a lot of pressure on the high points of the wood. Always apply a lot of pressure when holding thee wood down on the out feed table to keep the wood at the new height and simply push it through.

Before you do any cutting with your jointer you want to verify the difference in table heights between the in feed and out feed tables. You want to use something like a T-Square or level to make sure that the out feed table is slightly higher than the in feed table. If your wood is very bent then you will want to cut away more and this can be adjusted by lowering the in feed table or raising the out feed table by unlocking it in the back to lower or raise the platforms.

You also want to make sure than the fence is 90 degrees in relation to your out feed table so that you are sure that your wood is straight and your corners are perfect. If you cut on an angle then you may end up creating a crooked board. The fence can be adjusted to bevel the fence to make angled cuts if desired, however it needs to be square to make a straight cut.

The last adjustment to make on your jointer is to adjust the width of the cut. Some jointers have blades up to 12 inches wide. The thing to remember here is that you only want to have slightly more of the blade exposed than need be. If your wood is 2 inches wide then you only want about 2.25 inches of the blades to be exposed. Remember that the jointer can only be used for the smaller edge of your board. For instance if you have a 2 by 4, the jointer can really only be used for the 2 inch thick part. The other edges, the 4 inch edge, should then be done with a plainer instead of a jointer.

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