Factory Direct Parting and Grooving Inserts MGMN Insert

Parting and grooving inserts are inserts for cylinder parting and grooving, including to the outer circular, the inner hole groove, the cutter withdrawal groove, and the end face groove.The groove shape includes the narrow, wide, and forming groove.MGMN cutting insert is shaped for parting and grooving. Cutting edge shape is straight without hole through insert. Strong cutting edges realize best reliability in hard cutting conditions and long endurance. MGMN is not standard ISO code.

Width	Size(mm)
Width	S	r±0.1	L
200	2.0	0.2	21
300	3.0	0.4	21
400	4.0	0.4	21
500	5.0	0.4	26

1. Flank Wear? Higher cutting resistance,Notch wear on flank, Poor roughness of surface, or deterioration of accuracy. Soft grades,Excessive cutting speed,Small flank angle,Low feed. Select a higher,wear-resistant grade,Reduce cutting speed,Increase flank angle,Increase feed. 2. Crater Wear? Uncontrolled chip,Poor surface quality,when finishing High speed processing carbon steel. Soft grades,Excessive cutting speed, Excessive feed,The strength of chip breaker Insufficient. Change to a higher wear-resistant grade,Reduce cutting speed,Reduce feed, Select a higher strength chip breaker. 3. Chipping? Sudden fracture of cutting edge(rake face and flank),Instability insert life. Toughness insufficient,Excessive feed rate,Strength of cutting edge insufficient,Instability of the tool. Select a tougher grade, Decrease feed rate, Increase honing of cutting edge(chamfering to rounding),Increase the stability and setting angle. 4. Insert Fracture? Cutting resistance increased Poor surface roughness. Toughness insufficient, Excessive feed rate, Strength of cutting edge insufficient,Instability of the tool. Select a tougher grade, Decrease feed rate,Increase honing of cutting edge(chamfering to rounding),Increase the stability and setting angle. 5. Plastic Deformation? Variation of dimension Nose wear,cutting edge drape or passivating.when processing alloy steel Poor surface roughness. Soft grade,Excessive cutting speed,Excessive cutting depth and feed rate,Overheat on cutting edge. Select a higher red hardness cutting material,Decrease cutting speed,Decrease cutting depth and feed rate,Select a higher thermal conductivity cutting material(CVD+sufficient coolant). 6. Build-Up-Edge? Workpiece dissolve with Cutting edge Poor surface roughness when finishing,Cutting resistance increased,Cutting soft materials. Cutting speed too low, Cutting edge obtuse,Unsuitable tool material. Increase cutting speed, Increase rake angle,Select small sticking force.With our cutting tools for parting and grooving, you get high productivity and long tool life, helping you deliver plenty of components out of the workshop door.Recommended for different purposes and applications in parting and grooving .It performs well on turning material steel, stainless steel and cast iron.