Rotor blade for extruder pelletizer
The widely used material on cutter for plastic recycling machine is high speed steel and alloy steel. Both are popular choices for cutting tools, but they have distinct properties and applications:High-Speed Steel (HSS):HSS is a type of tool steel that maintains its hardness at high temperatures, making it suitable for high-speed machining operations.It can withstand higher temperatures without losing its cutting ability, which makes it ideal for cutting operations where the tool may encounter heat buildup.HSS tools are typically cheaper than carbide tools, making them a cost-effective option for certain applications.However, HSS tools generally have a shorter tool life compared to carbide tools, especially when machining harder materials.
In China , they are usually classified as: W18Cr4V,W2Mo9Cr4VC08 or called M2, M42 as America standard, SKH2,SKH56 as Japanese calling.
Hard Alloy Steel (Carbide):Carbide tools are made from a compound of tungsten, carbon, and cobalt, known as cemented carbide or hard alloy steel.Carbide tools are extremely hard and wear-resistant, making them suitable for cutting hard materials like stainless steel, cast iron, and hardened steels.They have excellent heat resistance and can maintain their cutting edge at high speeds, which results in longer tool life compared to HSS tools.Carbide tools are more expensive upfront but can be more cost-effective in the long run due to their extended tool life and performance in demanding cutting applications.In summary, HSS tools are suitable for general-purpose cutting operations at moderate speeds and temperatures, while carbide tools excel in high-speed machining of hard materials with prolonged tool life. The choice between the two depends on factors such as material being cut, cutting speed, desired tool life, and cost considerations.
The commonly alloy stell in China is Cr12,Cr12Mov,D2, Classified to SKD11, SKD 61 as Japanese' standard.
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