1.Intermittent heating on the cutting angle
2.Over-speeding of cutting
3.Over-volume of metal cutting
1.Heat-resistant materials that contain much TaC should be used.
2.Front relief angle blade should be used.
3.Increase the semi-diameter of the knife angle.
4.Slow down the feeding speed and cutting depth.
5.Avoid using coolants
Thermal Crackimg
1.Material for the cutting cutter is too fragile.
2.Material used for the cutter is too hard.
1.Use the materials with higher level of cobalt and tenacity.
2.Use negative relief angle blade.
3.Increase the semi-diameter of the knife angle.
4.Use larger knife edge (Lamd)
5.Increase the cutting speed.
Chipping
1.Material foe the cutting cutter is too soft.
2.Processing speed is to fast.
1.Use harder and more wearing-proof material for the blade.
2.Slow down the speed.
3.Increase the feeding.
4.Use some coolants.
Excessive Flank Wear
Scrape usually occurs to the direction of cutting depth.
Case hardening, rusty surface and wearing usually occur to the work piece
1.Increase the blade feeding angle.
2.Use the knife angle with larger semi-diameter.
3.Slow down the speed or feeding.
4.Change the cutting depth.
Notching
The cutting speed is too low for the particular processing material.
1.Increase the cutting speed.
2.Use low-friction materials like the plating material of TiAIN
3.Use the coolants with high lubricant performance.
Built-Up-Edge
The cutting speed is too high or the feeding volume is too much.
1.Slow down the cutting speed.
2.Reduce the feeding.
3.Use harder materials for the cutter
4.Use high heat-resistant materials for the cutter.
Deformation
The scraps are welded in the knife angle due to too high temperature.
1.Use harder materials for the blade.
2.Slow down the cutting speed.
3.Decrease the feeding.
