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boot-style turning tool holder

The boot-style turning tool holder is a specialized tool for external turning operations using insert cutters, offering high cutting stability due to its unique holder shape. This tool is typically made from hardened alloy steel with a hardness of 50 to 60 Rockwell C, and its overall length varies between 100 and 250 millimeters. The shank cross-section dimensions are usually selected between 12×12 and 32×32 millimeters to resist bending and vibration. The rake angle in these models is typically set between 5 and 7 degrees, and the insert locking system is often a set screw or mechanical clamp type.

In the design of the boot-style turning tool holder, the length-to-cross-section ratio is chosen to be less than 5:1 to prevent tool vibration and deflection. This holder can be manufactured according to ISO 5608 and ISO 10889 standards. Its weight varies between 0.4 and 1.3 kilograms depending on dimensions. Surface coatings like TiN or TiCN increase wear and heat resistance up to 750°C. When used with carbide inserts, this tool can support cutting speeds up to 230 meters per minute.

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