How to Choose Bandsaw Blades
Sep 30, · Choosing the Right Bandsaw Blade. Choosing the proper bandsaw blade for your saw, or application, is as simple as answering a few basic questions: 1. What is the proper blade LENGTH? Most often the length of blade for your saw can be found in the User’s Manual. If you do not have a User’s Manual, visit the manufacturer’s website or give. What size bandsaw blade do I need? We don't know what bandsaw blade length fits your bandsaw either, but fortunately it's easy to find out. It's especially easy, of course, if you have an old bandsaw blade that fits the saw--just measure its length. Make a mark on the inside of the blade, and align it with the zero point on a measuring tape.
Home Articles What type of bandsaw blade should I buy? There are many factors to consider when choosing a bandsaw blade. Next you need to figure out the width of the blade that will work for the type of cut you plan to make. Typically, wider widths make straighter cuts in thicker materials. If you want to make a curve, your blade width should be slightly less than the radius of the curve you plan to make. Many blade manufacturers offer charts to help you pick the right width — like this one.
You can find charts like this on most major bandsaw blade websites. The number of teeth per inch will also affect the cut you will make. Generally, the more teeth per inch, the finer the cut will be; the fewer teeth per inch, the rougher the cut will be. Once you determine length, width and teeth per inch, you need to figure out what type of tooth configuration is right for the cut type and material you are cutting.
There are three main types of bandsaw blade teeth: regular, hook and skip. Regular-tooth bandsaw blades are the most common type. They have straight faced teeth that are evenly how to flush radiator commodore and deep gullets. Regular-tooth what child is this child of the poor lyrics blades are used for general purpose cutting — either cutoff or contour sawing — in thin material.
They can be used to cut most general metals and wood. Hook-tooth bandsaw blades have a deep gullet with larger teeth that are widely spaced. These can be used to make faster, more coarse cuts primarily in plastic, metal, thicker wood pieces, or hardwoods. Hook-tooth bandsaw blades are also used when making longer cuts as the deep gullet and rake angle help move cut material out of the way.
Skip-tooth bandsaw blades have a shallow gullet and widely spaced teeth. The sharp angle at the tooth gullet allows the chips to come out cleanly. Skip-bandsaw blades are used for a variety of woodworking applications, especially when you need to reduce clogging or when using a material like softwoods, plastics or nonferrous metals that could gum up the blade.
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The exact measurement is just a target, by the way. If the saw blade measures /8”, there is no need to special-order that exact length. Try a ” or ” length saw blade. It is likely that either will work just fine. These procedures are the best way to determine the right size bandsaw blade for a particular bandsaw machine. Feb 21, · Bandsaw blades differ in thickness, width, length, and tooth configuration. Length varies by machine, but the size of your saw’s wheels typically determines thickness and width: Smaller machines (9–12" wheels) need thinner blades to prevent breaking the welds. They also accept only narrow blades, often 1 ? 2" or less. Larger saws usually. Aug 19, · First, you will need to identify what size blade your bandsaw requires (check the owner’s manual if you aren’t sure), what you plan to cut, and what type of cut you will make. Next you need to figure out the width of the blade that will work for the type of cut you plan to make.
Bandsaw blades come in a variety of widths, tooth designs, materials, and configurations. KMS Tools has a great selection. Click here to start shopping now. Or keep reading to learn more about choosing and using bandsaw blades.
On the other end of the scale, if you do contour sawing, use a blade that is narrow enough to cut the desired radius.
The chart below shows the correlation between blade width and the minimum radius it will cut. Ready to start shopping? Find the right bandsaw blade at kmstools. Choosing the proper thickness of the blade is important. Continual flexing and heating and cooling causes metal fatigue and ultimately, failure. The thickness of the blade depends on the diameter of the wheels, and the work to be done.
Thick blades withstand more cutting strain from straight cuts but can break more easily from the bending and twisting action. Thinner blades perform well for lighter work. The following chart shows ideal blade thickness for various wheel diameters. In determining teeth per inch TPI , try to find a balance finish and feed rate. Blades with more teeth cut slower and smoother.
Blades with fewer teeth cut faster, with slightly rougher finish. For any kind of precision cutting, the rule of thumb is to always try to keep at least three teeth in the material at all times. This adds stability and accuracy and applies to cutting in both metal and wood. Use coarse tooth blades 2 or 3 TPI for re-sawing and cutting thicker materials.
A blade in the 6 to 8 TPI range provides good general-purpose performance. Regular tooth blades have proportionally spaced teeth and are ideally suited for general-purpose cutting and contour sawing. Regular blades are ideal for cutting thin materials with a fine finish. Skip tooth blades have widely spaced teeth at a 0 degree rake angle to prevent clogging when cutting soft wood, non-ferrous metals and plastics.
Hook tooth blades have a deeper gullet—that is, larger teeth—and a positive 10 degree rake angle. This helps the blade to feed into the material more aggressively. The result is faster cutting rates. Hook tooth blades are commonly used for long cuts in thicker wood, hardwood, plastic and metal. Variable Pitch blades have alternating sets of different sized teeth to provide a fast cut with a smooth finish, ideal for joinery and cutting curves.
A raker tooth set has one tooth going to the left, one to the right, followed by a straight, or unset, tooth, which is called a raker.
An alternate tooth set has one tooth going left, one going right, then left, right, etc. There is no raker tooth. The double alternate plus raker has an unset raker tooth following two left-right combinations. A wavy tooth set has groups of teeth set left and right, separated by unset raker teeth. Wavy set blades are made primarily with the small teeth recommended for cutting thinner metal sections, tubes, pipes, thin sheets, etc. Choosing an appropriate set provides a balance between sawdust and air in the space between the body of the saw blade and the material it is cutting.
The sawdust should be warm to the touch, not hot or cold. This creates hot, packed sawdust and leads to short cutting times and premature blade breakage. This is about the worst thing you can do for your bandsaw blade. Knowing the SFM for the various settings of your bandsaw allows you to select the proper speed for the material you want to cut.
You should find the SFM settings in your owners manual. Using the correct size blade is essential to the performance of your bandsaw. More accurately, this should be called flutter setting. The objective is to set the correct tension in a more dynamic way, while the bandsaw is running.
Blades get hot from cutting. They expand and contract and, over time, can even over tension themselves. Like getting a flat spot on your tires from sitting in one spot for too long, leaving your blade under tension, strapped around the drive wheels, creates a memory in the steel that could lead to premature failure from metal fatigue.
Leaving the band tight on the saw also distorts the crown and flattens the drive tires, making them very hard. Tension also stresses the motor, shaft V-belt and drive pulleys. Never use water as a lubricant on bandsaw blades —or any other blades, for that matter. Water is not a lubricant. It can rust and damage the body and gullets of the bandsaw blade as well as the material being cut. There are a number of products available that are designed to specifically to lubricate blades, bits and cutting tools.
Bostik makes an aerosol called Dri-Cote, which lubricates and protects all types of cutting tools with its dry film technology. There are also solid compound cutting bars and sticks that you run against the blade to add lubrication.
Remember to always apply lubricant to BOTH sides of the blade. Re-apply about every minutes when the sound of cutting increases again.
This concoction is reported to provide longer band life, as well as prevent rust, pitting and pitch buildup! The other interesting product used for band lubrication is PAM the spray-on vegetable shortening used in cooking. Unplug the machine, spray PAM on a rag and wipe both sides of the blade while turning the upper wheel by hand. Whatever method you use, lubricating your bandsaw blade body can increase its life by over 30 percent.
In each of the above cases, when applied sparingly, you can cut grade lumber with NO staining. Bandsaws are complex pieces of machinery that require periodic adjustments for wear of the bandsaw itself as well as the blade.
And if all else fails? Check out the great selection of bandsaw blades at the KMS Tools online woodworking department. Excellent way of explaining, and good paragraph to get data regading my presentation subject, which i am going to present in college.
Wish you had a store in Sydney. Australia, that is. Thank you! Very informative, I just broke the blade on the saw my grandpa made, called Menards and the guy explained the basics of measurements and what is needed. So long time i find some information about the saw mill blade, now thank a lots to yr great post! Keep going for another infomative post. Really enjoyed the info you posted!
Looking forward to purchasing a metal cutting blade from your store. Thanks a lot! Thanks for your question. For re-sawing, we recommend using a 3 tpi skip tooth blade. If you want a smoother finish or curved cut, go with a 6 tpi skip tooth blade, and make sure you feed the material slowly. Also, a narrower blade is better for curved cuts. We hope that helps! Hi, Does a 3mm wide blade run at the same anti flutter test,or does it run with less tension. Very informative post.
Hi Rod: Thanks for your question. Some bandsaws have a scale that shows recommended tension for different blade widths. A really excellent article containing all the information that I have needed In one place explained in a way that a real amateur can use and understand. For most resawing applications, go with a hook-tooth blade with 3 teeth per inch.
This means it can make fast cuts with less feed pressure. While a skip-tooth blade may cut slower, it delivers a smoother finish than a hook-tooth blade. Your email address will not be published. Save my name, email, and website in this browser for the next time I comment. Skip to content Bandsaw blades come in a variety of widths, tooth designs, materials, and configurations. Bandsaw Blade Tooth Styles and Sets There are three basic tooth styles in bandsaw blades: regular, skip and hook.
Choosing a Blade Set Choosing an appropriate set provides a balance between sawdust and air in the space between the body of the saw blade and the material it is cutting.
Too much set results in too much air and not enough sawdust and can leave tooth marks. Excessively under set bands will cut in a wavy motion. Measure the distance between centres on the drive wheels. C Measure the radius of the upper and lower drive wheels. Apply a good paste wax to keep friction to a minimum.
Round the back of your blades with a file or honing stone.