What is cutting edge preparation of cutting tools?

Edge preparation of cutting tools is the process of creating a specific geometry on the cutting edge of the tool to improve its performance during machining. The purpose of edge preparation is to increase the strength and durability of the cutting edge, reduce cutting forces, and improve surface finish and dimensional accuracy. The edge preparation process typically involves grinding or honing the cutting edge of the tool to create a specific shape or angle. The shape and angle of the edge depend on the material being machined, the type of cutting tool, and the desired cutting conditions.

Some common types of edge preparation include chamfering, honing, and radius edge preparation.
• Chamfering is the process of creating a small angled edge at the cutting edge to reduce cutting forces and improve chip flow.
• Honing involves the use of abrasive stones to create a smooth, polished cutting edge.
• Radius edge preparation involves creating a rounded edge on the cutting edge to improve durability and reduce the likelihood of chipping.

Edge preparation is particularly important in high-performance machining operations where cutting forces, temperatures, and stresses are high. The proper edge preparation can help to prolong the life of the cutting tool, reduce the frequency of tool changes, and improve machining efficiency and accuracy.