straight turning tool holder , Iran

The straight turning tool holder is a key tool for performing linear and precise turning operations on metal parts, featuring a simple design and high strength. This holder is typically made of alloy steel with a hardness of 50 to 60 Rockwell C and has an overall length ranging from 80 to 200 millimeters. The shank cross-section is mainly rectangular or square with dimensions from 10×10 to 25×25 millimeters, providing an optimal balance between strength and accessibility to the workpiece. The rake angle is usually set between 0 and 5 degrees positive to enhance surface quality and insert life. The insert locking system is designed as a set screw or clamp, offering good stability during cutting.

In the design of the straight turning tool holder, the length-to-cross-section ratio is selected to be less than 6:1 to prevent tool vibration and deflection. This tool is manufactured according to ISO 5608 and ISO 10889 standards, with a weight ranging from 0.3 to 1 kilogram. Surface coatings such as TiN or TiCN ensure wear and heat resistance up to 750°C. When combined with carbide inserts, this holder can support cutting speeds up to 220 meters per minute.
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