Cr6W2Ssi Granulator Blades Hard Plastic PVC Powder Pelletizing Line

Product Specification

Cr6W2Ssi Granulator Blade Hard Plastic PVC Powder Pelletizing Line

Description:

Here is a detailed overview of the key information about granulator blades:

1,Blade Material:

• High-Carbon Steel: A common and cost-effective blade material that provides good toughness and edge retention.
• Alloy Steel: Blades made from alloy steels like chromium or manganese-based alloys offer enhanced hardness and wear resistance.
• Carbide-Tipped: The hardest and most durable option, carbide-tipped granulator blades maintain their sharp edge for extended periods.

2,Blade Geometry:

• Cutting Edge Angle: The angle of the blade's cutting edge, typically between 25-35 degrees, optimized for efficient cutting.
• Bevel: The angled surface on the back of the blade that creates the sharp cutting edge.
• Serrated Edge: Some granulator blades feature a serrated edge design to improve the cutting action.

3,Blade Dimensions:

• Length: Ranges from around 6 inches up to 24 inches or more, depending on the granulator size.
• Width: Typically 1 to 4 inches, based on the granulator's capacity and application.
• Thickness: Generally between 1/8 to 1/2 inch thick, providing the necessary rigidity.
• Bore/Arbor Size: The diameter of the hole that allows the blade to be mounted on the granulator's rotor.

4,Blade Quantity:

• Most granulators use multiple blades (2, 4, 6, or more) per rotor assembly.
• The number of blades affects the size reduction rate and granule consistency.

5,Blade Sharpening and Replacement:

• Granulator blades can typically be resharpened multiple times to extend their usable life.
• However, severely worn or damaged blades will need to be replaced to maintain optimal performance.

6,Blade Mounting and Clearance:

• Precise installation and proper clearance between the blades and the granulator's housing are critical for safe and efficient operation.
• Incorrect mounting or excessive blade-to-housing clearance can lead to poor cutting, increased power consumption, and potential safety hazards.

Granulator Blade Specifications:

Here are the key characteristics of the main materials used for granulator blades:

1,High-Carbon Steel:

• Composition: High-carbon steel typically contains 0.6-1.0% carbon content, along with small amounts of other alloying elements like manganese, chromium, or vanadium.
• Hardness: High-carbon steel blades have a Rockwell hardness range of around 50-60 HRC, providing good edge retention.
• Toughness: The higher carbon content makes these blades relatively tough and resistant to chipping or breaking.
• Cost: High-carbon steel is a cost-effective material option for granulator blades.

2,Alloy Steel:

• Composition: Alloy steel blades contain additional alloying elements like chromium, manganese, or molybdenum to enhance specific properties.
• Hardness: Alloy steel blades can achieve higher Rockwell hardness, often in the range of 55-65 HRC, for improved wear resistance.
• Wear Resistance: The alloying elements give alloy steel blades superior abrasion and wear resistance compared to high-carbon steel.
• Toughness: Alloy steel blades generally maintain good toughness and impact resistance.
• Cost: Alloy steel blades are more expensive than high-carbon steel but offer enhanced performance.

3,Carbide-Tipped:

• Composition: Carbide-tipped blades have a tungsten carbide cutting edge brazed or welded onto a steel body.
• Hardness: Carbide tips have an extremely high Rockwell hardness, typically between 80-90 HRC, providing exceptional wear resistance.
• Edge Retention: Carbide-tipped blades can maintain their sharp cutting edge for significantly longer than high-carbon or alloy steel blades.
• Brittleness: While very hard, carbide tips are more brittle and susceptible to chipping or cracking than steel blades.
• Cost: Carbide-tipped granulator blades are the most expensive option due to the specialized manufacturing process.

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