What are the errors and wears in the manufacture of machined tools?

The overall layout of machining needs to follow certain principles. What are the errors and wears in tool manufacturing? Please see the following narrative:

1. Dimensional accuracy of fixed-size cutters (such as drills, reamers, keyway milling cutters and circular broaches) directly affects the dimensional accuracy of workpieces.

2. The shape accuracy of forming tools (such as forming turning tools, forming milling cutters, forming grinding wheels, etc.) will directly affect the shape accuracy of the workpiece.

3. The edge shape errors of generating cutters (such as gear hobs, spline hobs, shaping cutters, etc.) will affect the shape accuracy of the machined surface.

4. General cutting tools (such as turning tools, boring tools and milling cutters) have no direct impact on the manufacturing accuracy, but they are easy to wear.

The overall layout of machining needs to follow certain principles. What are the errors and wears in tool manufacturing? Please see the following narrative:

1. Dimensional accuracy of fixed-size cutters (such as drills, reamers, keyway milling cutters and circular broaches) directly affects the dimensional accuracy of workpieces.

2. The shape accuracy of forming tools (such as forming turning tools, forming milling cutters, forming grinding wheels, etc.) will directly affect the shape accuracy of the workpiece.

3. The edge shape errors of generating cutters (such as gear hobs, spline hobs, shaping cutters, etc.) will affect the shape accuracy of the machined surface.

4. General cutting tools (such as turning tools, boring tools and milling cutters) have no direct impact on the manufacturing accuracy, but they are easy to wear.