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Tag Archives: kerf

Re-saw Basics and Bandsaw Blades

Re-sawing is basic to wood cutting and is a useful skill in the workshop. It is useful in certain applications as well. Bandsaws are useful since they are designed to handle any standard sized board and will cut whole logs. Material hardness and texture need consideration since they are major contributors to issues like blade bounce and tooth stripping. To help assure an easy cut, there are special re-saw blades available that are extra wide to prevent bending while cutting. Their sharp teeth in a skip tooth arrangement will clear sawdust fast enough to allow for more cut time. Tooth form describes tooth shape, and for re-saw purposes, a hook …

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Kerf and Precise Cut

There are factors to consider when deciding on the right bandsaw blade for the job. Things like the material to be cut, its thickness, bandsaw type, and how it will be used to cut a specific type of material. It is important to consider correct width, pitch, and TPI when purchasing any bandsaw blade. Rake angle, tooth style and set, blade type, and kerf are factors as well. Kerf is the slot made by a cutting tool when parting material — or the amount of material removed by the cut of the blade. The term kerf is mistakenly used to refer to …

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Bandsaw Blade Speed Recommendations

It is important to consider bandsaw blade speed recommendations if accuracy, a smooth finish, and increased output are part of the plan. A bandsaw’s teeth are designed to cut a variety of materials and produce a uniform cut. The minimum radius of a curve cut on a particular bandsaw is determined by the width of the band and its kerf. Bandsaw speeds can range anywhere from 40′ (12 m) per minute to 5,000′ (1,500 m) per minute, and specialized saws built for friction cutting of hard metals run at speeds of up to 15,000′ per minute. New tooth geometries and pitch …

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