General 4-edge end mill of solid tungsten carbide

A. comprehensive type;

B.ordinary steel and cast iron and stainless steel;

U.aluminum and copper;

M.difficult-to-machine materials(Titanium alloy/high-temperature alloy);

H.Hardemed material

S.Specialized For processing stainless steel;

►This product is made of 0.4um particle size tungsten steel hard alloy raw material, belonging to the special material family for high hardness and high-speed cutting

 *Choose cutting tools based on metal materials:

a. Steel (ordinary steel, stainless steel, mold steel): tungsten steel with high cobalt (Co) content (such as YG8, YG6X) is preferred, with a balance between wear resistance and impact resistance; TiAlN coating can be added to enhance the anti stick cutting ability when processing stainless steel.
 

b. Aluminum alloy: choose low cobalt (such as YG3X) or cobalt free hard alloy to avoid the reaction between alloy elements and aluminum; TiN (titanium nitride) coating can be selected to reduce friction.
 

c. Titanium alloy/high-temperature alloy: Ultra fine grain tungsten steel with high hardness and high temperature resistance (such as WC Co alloy), coated with Al ₂ O3 to enhance wear resistance.

d, Cast iron: Made of YG hard alloy (such as YG6), with moderate cutting speed to avoid chipping.

*non-metallic materials

Plastic/Wood: Ordinary hard alloy can be used, but it is recommended to choose a round nose knife or a large front angle design to reduce vibration.

General 2-edge end mill of solid tungsten carbide (as above picture)

About The coating technology of tungsten steel milling cutters (hard alloy milling cutters) is one of the key means to improve tool performance. Currently, the mainstream types and functions of coatings are as follows:

*Common coating types and characteristics

-Color: Golden

-Hardness: 1800-2200HV8
 

-Features: Low cost, moderate wear resistance and oxidation resistance, mainly used for ordinary cutting processing.
 

-Function: Reduce friction between cutting tools and workpieces, extend tool life, suitable for processing non-ferrous metals such as aluminum and copper.

2. TiAlN

-Color: Silver-gray

-Hardness: approximately 2000-2500 HV

-Features: Excellent high-temperature stability (oxidation resistance up to 800-1000°C), high hardness, and good toughness.

-Function: Suitable for high-speed cutting and dry cutting, particularly excelling in machining black metals such as steel and cast iron.

-Color: Silver gray or dark gray

-Hardness: approximately 2200-3000 HV

-Features: Far superior high-temperature oxidation resistance to TiAlN, strong anti-adhesion capability, and minimal wear.

-Function: Suitable for difficult-to-machine materials (such as superalloys and titanium alloys) and high-speed precision machining scenarios.

-Color: Black or Dark Grey

-Hardness: Approximately 4000-8000HV (superhard)

-Features: Extremely low friction coefficient (0.05-0.1), strong chemical inertness, and no affinity with metals.

-Function: Used for precision machining (such as molds, medical devices) and non-ferrous metal (aluminum, copper) processing, reducing surface scratches.

-Color: Light Grey

-Hardness: Approximately 2500-3000HV

-Features: Balanced wear resistance and toughness, with better impact resistance than TiN.

-Function: Suitable for heavy-duty machining at moderate cutting speeds, such as rough machining of stainless steel and cast iron.

-SiN : high hardness but high brittleness, mostly used for ultra high speed cutting.

-MoS₂ : Solid lubricant suitable for low-speed, heavy-duty scenarios (such as deep hole machining).

-Improve wear resistance: The coating hardness is much higher than that of the substrate (tungsten steel), reducing tool wear and extending service life.

-Reduce friction coefficient: Reduce cutting force and heat to avoid scratching the surface of the workpiece.

-Anti oxidation and anti adhesion: A protective film is formed at high temperatures to prevent chemical reactions between the cutting tool and the workpiece material (such as steel and aluminum alloy).

-Improving machining efficiency: By using high-speed cutting and dry cutting techniques, machining speed and accuracy can be increased.

-Adapt to different materials: For different workpieces such as aluminum, steel, titanium alloys, composite materials, etc., selecting specialized coatings can optimize cutting effects.

-Ordinary steel processing: TiAlN or TiCN（stainless steel） is preferred.

-High speed/dry cutting: AlCrN or TiAlN is preferred.

-Precision/Non Ferrous Metals（aluminum and copper.): DLC or TiN Coating.

-Difficult to process materials: AlCrN or multi-layer composite coatings (such as TiAlN+DLC).

- summary -
  Coating technology significantly improves the cutting performance of tungsten steel milling cutters through the triple advantages of "hardness+chemical stability+low friction".

  The specific selection needs to be comprehensively considered based on factors such as workpiece material, processing speed, and machine power to achieve efficient and low-cost processing goals

 Our end mill material parameter:
WC=90/88 Co=10/12 HV30=1572  Resistant to bending=3750N/mm2   Hardness>=91.5/92   particle size=0.4/0.6um