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Tube Cutting

Cutting tube is more difficult than sawing solid bars. The bandsaw blade is performing two types of cut, sawing solid as it enters the material then entering the hollow tube. The blade is now cutting two thin solids with a space in between — an interrupted cut. To achieve the best result in cutting tube, blade variables and bandsaw settings have to be carefully selected. Tooth pitch (TPI) is an important variable as well. The number of teeth engaged with the material determines both blade performance and durability. A few teeth in contact with the material can lead to stripped teeth, bending, or premature …

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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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Negative Issues with Cut

Multiple factors cause negative issues with cut that affect the quality of the bandsaw machine’s performance and output. The following are some of the possible causes and their solutions to the issues: Dull blade It is highly recommended that the saw blade be replaced rather than having it sharpened. To avoid premature dulling of saw blade teeth, proper break-in procedure should be implemented along with things like coolant concentration and flow, the chip brush, appropriate feed rates and blade speed, and a proper tooth pitch for the material being cut. Improper break-in New bandsaw blades have sharp teeth that are fragile …

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