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CoroTurn® 300

Effective and high-quality turning

Instructions

Application tips

Over- and under coolant - When to use what?

CoroTurn 300 features over- and under coolant. Find out how to apply it correctly and how this both can improve performance and solve typical turning challenges

Recommendations

Insert geometries and grades

Operation Geometry
Finishing -L4
Medium -M5
Extra fine surface / High feed -M5W
Machining conditions P
Good GC4315
Average GC4325
Difficult GC4325

  • -L4, nose radii 04: Excels in ap 0.25–3 mm (.010–.118 inch) and fn between 0.1–0.3 mm/r (.004–.012 inch/rev)
  • -L4, nose radii 08: Excels in ap 0.5–3 mm (.020–.118 inch) and fn between 0.12–0.32 mm/r (.005–.013 inch/rev)
  • -L4, nose radii 12: Excels in ap 0.65–3 mm (.026–.118 inch) and fn between 0.15–0.35 mm/r (.006–.014 inch/rev)
  • -M5, nose radii 08: Excels in ap 0.8–3.8 mm (.031 –.150 inch) and fn between 0.2–0.45 mm/r (.008–.018 inch/rev)
  • -M5, nose radii 12: Excels in ap 1.2–3.8 mm (.047–.150 inch) and fn between 0.25–0.55 mm/r (.010–.022 inch/rev)
  • -M5W, nose radii 08: Excels in ap 0.5-3.8 mm (.020-.150 inch) and fn between 0.2-0.6 mm/r (.008-.024 inch/rev)
  • -M5W, nose radii 12: Excels in ap 0.8-3.8 mm (.031-.150 inch) and fn between 0.25-0.7 mm/r (.010-.028 inch/rev)


 

Positioning -L4, -M5 and -M5W vs. ISO geometries

Edge toughness

Chip-breaking area

Note:
Higher chip-breaking area = higher ap and fn


 

Cross sections and application area


-L4
-M5
-M5W

 

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