Rack Milling cutter material HSS M2 TIALCRN black coating

The Rack Milling Cutter material HSS M2 TiAlCrN black coating is a precision tool made for cutting accurate gear racks in linear motion and transmission systems. Crafted from high-speed steel (HSS M2), it offers strong cutting ability and stable performance. The TiAlCrN black coating improves wear resistance and surface quality, ensuring smooth and accurate tooth profiles. Ideal for gear hobbing and rack milling machines, this cutter is widely used in CNC machines, automation systems, and robotic drives.

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Industrial Rack Milling Cutter: Materials and Applications

Rack milling cutter is precision cutting tools specially designed for machining gear racks used in linear motion and transmission systems. These cutters are typically made from high-speed steel (HSS M2, M35, M42) or carbide, ensuring excellent hardness, wear resistance, and long tool life.

They are used on gear hobbing or rack milling machines to generate accurate involute or straight-tooth profiles on racks that mesh with spur or helical gears.

Technical Specifications:

Parameter Specification Description / Notes
Product Name m3 a14.5°135×32 TIALCRN black coating Non standard
Module (m) 3 Defines gear tooth size; for large module gears
Tooth pitch 8mm
Material HSS M35 HSS-E (W6Mo5Cr4V2Co5)/SKH55/DIN1.3243/HS2-9-1-8 High-Speed Steel for excellent hardness & wear resistance
Pressure Angle (PA) 14.5 Standard often 20°
Finish / Coating Black Oxide Protects against corrosion, reduces friction & glare
Outer Diameter (OD) 135 Depends on module and cutting design
Bore Diameter 32 Fits standard hob arbors
Profile Standard DIN 3972 / ISO 53 Standard involute profile with 20° pressure angle
Application Gear Rack milling
Hardness (after heat treatment) 62~66 HRC after coating 68~70 HRC Ensures long tool life and cutting edge stability
Surface Treatment Steam Oxidized / Blackened Improves chip evacuation and oxidation resistance
Coating Options (optional) TiN, TiAlN, AlCrN For extended tool life and high-speed applications
Country of Manufacture China Common production origins
Typical Industries Rack and pinion drives, CNC machine tools, automation equipment, robot linear drives, industrial transmission systems Suitable for processing carbon steel, alloy steel, and cast iron materials.

Key Features:

  • Made from HSS M2  for toughness and wear resistance.
  • 14.5° pressure angle — the non-standard for gear rack.
  • Black oxide coating for corrosion protection and improved tool life.
  • Used on equipment such as rack milling machines and gear hobbing machines to process involute or straight gear racks.

Ordering Information:

Please specify when ordering:

  1. Module/DP/CP (e.g., M12)
  2. Pressure Angle (e.g., 20°, )
  3. Coating (TIN/TIAIN/ALCRONA/ALTENSA)
  4. Out diameter, Bore diameter
  5. Number of Teeth
  6. gear rack Material: M2/M35/M42/ASP2052/S390/MC90/P6M5/Р6М5К5/Р10К5Ф5
  7. Carbide