Cutter Blade: Diameter 50-300 mm, Thickness 2-10 mm

Component Specifications

Definition

The cutter blade is a critical component of pellet cutting machines, designed to perform clean, precise cuts on extruded materials (typically plastics, rubber, or food products) to produce uniform pellets. It operates at high rotational speeds and must maintain sharpness and dimensional stability under continuous mechanical stress and thermal variations.

Working Principle

The blade rotates at high speed, intersecting with extruded material strands. As the material passes through the cutting zone, the blade's sharp edge shears it into predetermined lengths. Cutting can be either fly-cutting (continuous rotation) or guillotine-style (reciprocating motion), depending on machine design.

Materials

Typically made from high-speed steel (HSS), tungsten carbide, or ceramic-coated alloys. Common specifications include: M2 HSS (HRC 62-65), Tungsten Carbide (Grade K10-K20), or D2 Tool Steel with TiN/TiCN coating.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Diameter	50-300 mm
Hardness	HRC 60-70
Thickness	2-10 mm
Maximum RPM	3000-8000
Number Of Blades	2-8
Cutting Edge Angle	30-45 degrees

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 15641, DIN 8589

Parent Products

This component is used in the following industrial products

Pellet Cutter

A cutting mechanism that precisely severs extruded material strands into uniform pellets within a pellet mill.

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Engineering Analysis

Risks & Mitigation

Blade fracture due to fatigue
Dull edges causing poor pellet quality
Material buildup leading to imbalance
Thermal expansion affecting tolerances

FMEA Triads

Trigger: Improper blade installation or misalignment
Failure: Uneven cutting, excessive vibration, premature wear
Mitigation: Follow manufacturer torque specifications, use alignment tools, perform run-out checks

Trigger: Abrasive materials or contaminants
Failure: Rapid edge deterioration, reduced cutting efficiency
Mitigation: Use appropriate blade material (e.g., carbide for abrasives), implement material screening/pre-treatment

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.02 mm on critical dimensions, ±0.5° on cutting angles

Test Method

Dimensional verification with CMM, hardness testing per ISO 6508, cutting performance validation with standard test materials

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Cutter Blade

2 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Chengdu Kedel Technology Co., Ltd.

Sichuan, CN

Also makes: Tungsten Carbide Nozzles, Spray Nozzle, Nozzle/Spray Head

Listed on the company's own website · profile compiled by CNFX from public sources

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Xiamen PKTOL Advanced Materials Co.,Ltd

Beijing, CN

Listed on the company's own website · profile compiled by CNFX from public sources

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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Frequently Asked Questions

How often should pellet cutter blades be replaced?

Replacement frequency depends on material abrasiveness and production volume. Typically, blades last 200-800 operating hours. Regular inspection for edge wear, chipping, or reduced cut quality is recommended.

Can cutter blades be sharpened?

Yes, most HSS blades can be resharpened 3-5 times using precision grinding equipment. Tungsten carbide blades require diamond wheel grinding. Always maintain original cutting angles during sharpening.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Cutter Blade