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CoroMill® MS20

Shoulder milling redefined

Uncompromised excellence​

You shouldn’t have to settle for compromises when it comes to shoulder milling. Whether you prioritize secure and trouble-free machining, high productivity or increased cost-efficiency, the new CoroMill® MS20 shoulder milling concept has got you covered.

A dependable powerhouse​

CoroMill® MS20 boasts a robust cutter body and a dependable interface, offering superior reliability, predictability, and security without ever sacrificing performance. ​

Double-edged perfection​

The double-edged inserts offer optimized geometries for ISO M and ISO S applications, ensuring superior performance and an extended tool life.​

Benefits

  • Secure operations thanks to the high levels of repeatability and predictability, making unmanned machining possible​
  • The robust and reliable interface enables secure and trouble-free machining​
  • Excellent dimensional control and top-level surface finish, due to the high accuracy of the concept​
  • Low overall tool consumption means increased cost efficiency and a more sustainable business
View More Features

  • True 90 degree shoulder milling solution​
  • New interface design for excellent concept reliability ​
  • Optimized geometries for different ISO materials​
  • Better chip control, especially while machining against a wall and during repeated shoulder milling​
  • New improved cutter body material for selected cylindrical shank and Coromant® EH cutter bodies​
  • Improved dimensional control for both cutter body and inserts​

Application

Application areas:

  • True 90 degree repeated shoulder milling, face milling, pocket milling, corner machining, ramping, helical ramping, full slotting, and plunge milling​
  • For roughing and finishing operations​

Main industry segments to target, with main components:​

  • Oil and gas: valve body, spools, connectors
  • Aerospace: frame, landing gear, engine casing​

ISO application area

  • Stainless steel
  • Heat resistant super alloys

Product range

Cutter body

  • Diameter range: 15.8–84 mm (inch equivalent)
  • Entering angle (KAPR): true 90°​
  • Internal coolant​
  • Ramping capability

Insert

  • Insert IC size: IC10​
  • Entering angle: true 90º​
  • Maximum depth of cut: 9 mm (0.354 inch)
  • Recommended depth of cut: 4 mm (​0.157 inch)
  • Corner radius: 0.2, 0.4, 0.8 and 1.6​

Insert geometries

E-L50

Periphery-ground geometry

  • Optimized geometry for shoulder milling and pocketing applications in titanium​
  • Light cutting​
  • Closer tolerance ensures better component quality and longer insert tool life​
  • Regulates chip formation and evacuation in sticky/long-chipping materials​
  • Predictable and gradual wear characteristics

M-M20

Direct-pressed geometry

  • Optimized geometry for austenitic stainless steel materials and all application areas, especially for shoulder milling​
  • Light cutting geometry for duplex stainless steel and Inconel​
  • Good edge-line security and trouble-free machining at long overhangs​
  • Predictable and gradual wear characteristics

M-M30

Direct-pressed geometry

  • First choice for medium and heavy applications in duplex stainless steel and Inconel​
  • Strong radius for higher security on corners ​
  • Highest metal removal rate in stable applications​
  • Controlled wear at the radius ensuring better performance in pocketing and contouring (ae ≤ 25%) applications in all ISO S and ISO M materials

Highlights

CoroMill® MS20 - Shoulder milling redefined.

Thoroughly developed for roughing to finishing operations in stainless steel and heat-resistant super alloys, CoroMill® MS20 delivers excellence across the board.

Demo: CoroMill® MS20

CoroMill® MS20 for roughing and finishing shoulder milling applications, in ISO M and ISO S. See it in action here.

Metal cutting knowledge: Milling

Metal cutting knowledge: Milling

This section covers application knowledge and tips for various milling operations. Brush up on your face and shoulder milling knowledge here.

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