Mixing Blades (Fins): Blade Diameter 200-800 mm

Component Specifications

Definition

Mixing blades, also known as fins, are precision-engineered components installed within mixing drums to facilitate the thorough blending, stirring, and homogenization of ingredients. These blades create controlled turbulence and shear forces to ensure uniform consistency, prevent sedimentation, and optimize processing time in industrial food manufacturing applications.

Working Principle

Mixing blades operate by rotating within the mixing drum, creating fluid dynamics that include axial flow for top-to-bottom movement, radial flow for outward dispersion, and tangential flow for circumferential mixing. The blade geometry determines the balance between shear forces (for breaking down particles) and bulk flow (for overall homogeneity), with optimized designs minimizing dead zones and maximizing energy efficiency.

Materials

Food-grade stainless steel (AISI 304 or 316L), with optional coatings like PTFE for specific applications. Hardness: 150-200 HB, Surface finish: Ra ≤ 0.8 μm for cleanability, Corrosion resistance: Passivated per ASTM A967.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Blade Angle	30-60 degrees adjustable
Mounting Type	Bolted or welded flange
Blade Diameter	200-800 mm
Rotation Speed	20-150 RPM
Number Of Blades	2-6 per shaft
Power Consumption	0.5-5 kW

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 14159, DIN 11850

Parent Products

This component is used in the following industrial products

Mixing Drum

The rotating container in a self-loading concrete mixer where raw materials are combined and homogenized into concrete.

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Engineering Analysis

Risks & Mitigation

Material contamination if improper alloys are used
Inefficient mixing leading to product inconsistency
Mechanical failure from fatigue or corrosion

FMEA Triads

Trigger: Fatigue cracking from cyclic loading
Failure: Blade fracture during operation
Mitigation: Regular non-destructive testing (ultrasonic or dye penetrant), design with fatigue-resistant geometries, implement preventive replacement schedules

Trigger: Corrosion from acidic ingredients
Failure: Pitting and material degradation
Mitigation: Use 316L stainless steel with proper passivation, implement pH monitoring in process, apply protective coatings where applicable

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.5 mm on critical dimensions, ±1 degree on blade angles

Test Method

Performance testing per ISO 9001, material certification per ASTM A240, cleanability testing per EHEDG guidelines

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 Mixing Blades (Fins)

Manufacturer profiles associated with Mixing Blades (Fins).

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What maintenance is required for mixing blades?

Regular inspection for wear, cleaning after each batch to prevent contamination, and torque checks on mounting bolts. Blades should be replaced when wear exceeds 10% of original thickness.

Can mixing blades be customized for different viscosities?

Yes, blade geometry (pitch, width, number) can be optimized for low-viscosity liquids, high-viscosity pastes, or particulate mixtures through computational fluid dynamics analysis.

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.

Mixing Blades (Fins)