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Measuring Compliance - The Weakness in Your Carbide Saw

Jun 12, 2017

Compliance is defined as the measure of the ability of a mechanical system to respond to an applied vibrating force, expressed as the reciprocal of the system stiffness. In short, it measures the weakness of the system. In a carbide saw, the most critical component subject to torsional and lateral vibration of the saw blade, is the gearbox, commonly called the head. When the blade tooth first contacts…

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Torsional Vibrations in Carbide Sawing

Feb 27, 2017

Torsional vibration in carbide saws has the most damaging effect on the tool life of carbide tipped circular saw blades. It is also influenced by the blade diameter, the quality of the saw blades, the spindle gear diameter, the compliance of the gear train in the saw head and feed system, and the stiffness of the fixture and machine structure. The saw blade also must be rigidly clamped to the drive…

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The History of Carbide Sawing

Feb 08, 2017

In 1926, Krupp, a German company, developed carbide, a very hard mixture of sintered carbides of various heavy metals, especially tungsten carbide, used for cutting edges and dies. This new material revolutionized metal-removal or “chip-cutting” in manufacturing. In the 1950s, carbide was used in all machining processes except for sawing. Ref. Wikipedia, “Cemented Carbide History.” 

In…

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