Cutting tool

A cutting tool assembly for removing material from a workpiece, the cutting tool assembly comprising:

• a tool holder containing a pocket wherein a rear surface and a bottom surface define the pocket;
• a cutting tool being received within the pocket of the tool holder;
• the cutting tool comprising:
• a cutting tool substrate that has a rake substrate surface and a plurality of flank substrate surfaces, the cutting tool substrate contains a notch, the notch is at the intersection of a pair of adjacent flank substrate surfaces, the substrate has an opposite corner defined by flank substrate surfaces that are opposite from the notch;
• the adjacent flank substrate surfaces are disposed at a substrate clearance angle with respect to the normal to the rake substrate surface and the opposite flank substrate surfaces are disposed at a substrate disposition angle with respect to the normal to the rake substrate surface, and the opposite flank substrate surfaces contact a portion of the tool holder that at least in part defines the pocket;
• a cutting blank received within the notch;
• the cutting blank has a rake blank surface and a pair of flank blank surfaces, a cutting edge is at the intersection of the rake blank surface and the flank blank surfaces;
• the flank blank surfaces are disposed at a cutting clearance angle with respect to the normal to the rake flank surface, the substrate clearance angle is equal to the cutting clearance angle;
• and
• the cutting clearance angle is not equal to the substrate disposition angle.

A cutting tool for removing material from a workpiece wherein the cutting tool is held in a pocket of a tool holder, the cutting tool comprising:

• a cutting tool substrate that has a rake substrate surface and a plurality of flank substrate surfaces including a pair of adjacent flank substrate surfaces, each one of the adjacent flank substrate surfaces having a forward portion and a rearward portion, the cutting tool substrate contains a notch at the intersection of the forward portions of the adjacent flank substrate surfaces, and the substrate has an opposite corner defined by opposite flank substrate surfaces that are opposite from the notch;
• the forward portions of the adjacent flank substrate surfaces are disposed at a substrate clearance angle with respect to the normal to the rake substrate surface, and the rearward portions of the adjacent flank substrate surfaces and the opposite flank substrate surfaces are disposed at a disposition angle with respect to the normal to the rake substrate surface;
• a cutting blank is received within the notch;
• the cutting blank has a rake blank surface and a pair of flank blank surfaces, a cutting edge is at the intersection of the rake blank surface and the flank blank surfaces;
• the flank blank surfaces are disposed at a cutting clearance angle with respect to the normal to the rake blank surface, and the substrate clearance angle is equal to the cutting clearance angle;
• and
• the cutting clearance angle is not equal to the disposition angle.

A cutting tool for removing material from a workpiece wherein the cutting tool is held in a pocket of a tool holder, the cutting tool comprising:

• a cutting tool substrate that has a rake substrate surface, adjacent flank substrate surfaces, and an opposite flank substrate surface, each one of the adjacent flank substrate surfaces has a forward portion and a rearward portion, and the cutting tool substrate contains a notch at the intersection of the forward portions of the adjacent flank substrate surfaces;
• the forward portions of the adjacent flank substrate surfaces are disposed at a substrate clearance angle with respect to the normal to the rake substrate surface, and the rearward portions of the adjacent flank substrate surfaces and the opposite flank substrate surface are disposed at a disposition angle with respect to the normal to the rake substrate surface;
• a cutting blank is received within the notch;
• the cutting blank has a rake blank surface and a pair of adjacent flank blank surfaces, a cutting edge is at the intersection of the rake blank surface and at least one of the adjacent flank surfaces;
• the flank blank surfaces are disposed at a cutting clearance angle with respect to the normal to the rake blank surface, and the cutting clearance angle is equal to the substrate clearance angle;
• and
• the cutting clearance angle is not equal to the disposition angle.

A cutting tool for removing material from a workpiece wherein the cutting tool is held in a pocket of a tool holder, the cutting tool comprising:

• a cutting tool substrate that has a rake substrate surface, adjacent flank substrate surfaces, and an opposite flank substrate surface, one of the adjacent flank substrate surfaces has a forward portion and a rearward portion, and the cutting tool substrate contains a notch at the intersection of the forward portion of the one adjacent flank substrate surface;
• and the other adjacent flank substrate surface
• the forward portion of the one adjacent flank substrate surface is disposed at a substrate clearance angle with respect to the normal to the rake substrate surface;
• the rearward portion of the one adjacent flank substrate surface and the other adjacent flank substrate surface and the opposite flank substrate surface are disposed at a disposition angle with respect to the normal to the rake substrate surface;
• a cutting blank is received within the notch;
• the cutting blank has a rake blank surface and a pair of adjacent flank blank surfaces, a cutting edge is at the intersection of the rake blank surface and one of the adjacent flank surfaces;
• the one adjacent flank blank surface is disposed at a cutting clearance angle with respect to the normal to the rake blank surface, and the cutting clearance angle is equal to the substrate clearance angle;
• and
• the cutting clearance angle is not equal to the disposition angle.

A cutting tool for removing material from a workpiece wherein the cutting tool is held in a pocket of a tool holder, the cutting tool comprising:

• a cutting tool substrate that has a rake substrate surface, adjacent flank substrate surfaces, and an opposite flank substrate surface, and the cutting tool substrate contains a notch at the intersection of the forward portions of the adjacent flank substrate surfaces;
• one of the adjacent flank substrate surfaces is disposed at a substrate clearance angle with respect to the normal to the rake substrate surface, and the other one of the adjacent flank substrate surfaces and the opposite flank substrate surface are disposed at a disposition angle with respect to the normal to the rake substrate surface;
• a cutting blank is received within the notch;
• the cutting blank has a rake blank surface and a pair of adjacent flank blank surfaces, a cutting edge is at the intersection of the rake blank surface and one of the adjacent flank blank surfaces;
• the one flank blank surface is disposed at a cutting clearance angle with respect to the normal to the rake blank surface, and the cutting clearance angle is equal to the substrate clearance angle;
• and
• the cutting clearance angle is not equal to the disposition angle.