dayton 9x16 bandsaw
It is only when the prescribed amount is exceeded that it becomes distorted and loses strength. Think of valve springs in a gas/diesel engine. They operate within their ability to extend compress and return every time and run almost forever under harsh conditions. They do not exceed their steels ability to stretch and return. A good understanding of the above two paragraphs is very important to understand an accurate comparison between the swage tooth band and the set tooth that we will discuss below. Now let us look at a set tooth band of .042 thickness: The Kerf of a set tooth band is also two times the thickness. Usually .084 (sometimes more sometimes less). The difference is the set tooth shares the tooth load between 3 teeth. Each tooth is only .042 on the top or the leading edge. The most any tooth can cut is.042 wide. The average that the 3 teeth cut is only .028. The right and left tooth only cut the set amount beyond the body width. Only 2 of the teeth cut on the side and they only have 1 side to create side load which is very minimum. It is so small that I do not consider it to have a side load.
A bandsaw blade has to be matched to the job in hand and to a lesser extent to the size of the bandsaw. You would not try to rip a 2" board with a tenon saw nor crosscut plywood with a greenwood saw. You would select the right blade for the job and the same is true for a bandsaw. Just because the machine is powered does not mean that one blade will cut everything it wont. So we need a selection of blades dependent on what we are doing. Fortunately despite there being a vast array of blades to choose from we can do 99% of our normal work with just two or three different blades. Blade width Given that the challenge with a bandsaw is to get it to cut straight it is easy to think that the wider the blade the better and to a certain extent this is true. You are likely to get better results with a ½" or ¾" blade than a ¼" one. But the temptation is to go as wide as the wheels will take. Which is an inch or more.
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The full tooth has three cutting edges. It has the top or leading edge and the two sides. The tooth load is created by all edges that cut wood. The tooth width on these type blades are usually twice the width of the body. For instance if the body is.042 then the tooth is usually created to be at least.084. So each tooth is cutting a kerf (path) through the log at least.084. The sides of the tooth are also cutting and adding tooth load. All of the cutting load is distributed into the gullet and most of the stress is at the narrowest place of the band which is the deepest part of the gullet. The body is pulling the tooth through the cut and the tooth is under load and is pried backward in micro amounts and the steel molecules at the narrowest part of the gullet are being stretched and being put under great stress. The bandsaw steel is for basic understanding a spring or spring steel. I say this because it has the ability to stretch a certain distance and return to its original shape.
Well What Is An Automatic Bandsaw Sharpener Then? With an automatic bandsaw sharpener all you do is purchase a machine that will automatically sharpen the bandsaw blade for you. This machine can be pricey of course but most people enjoy being able to set a timer and other various settings while they walk away from the bandsaw sharpener as it sharpens the teeth. This is preferred by most woodworkers because it is simplistic and there is a lesser chance of damage being done to the bandsaw blade and to your personage. Choosing between the manual and automatic bandsaw sharpeners available on the market today is a difficult task. Usually the sharpener is expensive and quite bulky. This may make it unsuitable for the average user. However those woodworkers whom choose to own their own bandsaw sharpener never complain about the expensive price of bandsaw blades again. Bandsaws are mainly used by woodworkers for curve cutting and re-sawing.