Structured Manufacturing Data (2026)

Agitator Paddles

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Agitator Paddles used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Agitator Paddles is characterized by the integration of Paddle Blade and Mounting Hub/Bracket. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel (e.g., 316L) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

Mechanical components within a pharmaceutical tablet press feed frame that stir and homogenize powder blends before compression.

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Product Specifications

Technical details and manufacturing context for Agitator Paddles

Definition
Agitator paddles are rotating blades or arms located inside the feed frame of a pharmaceutical tablet press. Their primary function is to continuously agitate and mix the powder formulation, preventing segregation, ensuring uniform density distribution, and facilitating consistent powder flow into the die cavities for tablet formation. They are critical for maintaining content uniformity and achieving precise tablet weight control.
Working Principle
The paddles are mounted on a rotating shaft driven by the press mechanism. As they rotate within the feed frame's powder bed, they create a gentle tumbling and shearing action. This motion breaks up powder clumps, redistributes particles of different sizes and densities, and maintains a fluidized, homogeneous mixture that flows evenly into the tablet press dies.
Common Materials
Stainless Steel (e.g., 316L), Food-Grade Plastic (e.g., PTFE, UHMW-PE)
Technical Parameters
  • Diameter or length of the paddle blade; critical for determining the sweep volume and mixing efficiency within the specific feed frame dimensions. (mm) Per Request
Components / BOM

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Agitator Paddles.

pharmaceutical tablet press agitator paddles stainless steel feed frame paddles food-grade plastic powder blending paddles 316L stainless steel agitator components PTFE UHMW-PE pharmaceutical mixing paddles

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 1.5 bar (22 psi)
flow rate: Up to 500 kg/hr powder flow
temperature: Ambient to 80°C (176°F)
slurry concentration: Not applicable - designed for dry powder blends only
Media Compatibility
✓ Pharmaceutical powder blends (excipients, APIs) ✓ Food-grade powder mixtures ✓ Cosmetic powder formulations
Unsuitable: Abrasive slurries or corrosive liquid environments
Sizing Data Required
  • Feed frame dimensions (diameter and depth)
  • Powder bulk density and flow characteristics
  • Required agitation speed (RPM) and torque

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Fatigue cracking
Cause: Cyclic loading from turbulent flow and varying process conditions leading to stress concentration at weld joints or material defects
Abrasive wear
Cause: Prolonged exposure to suspended solids in the fluid medium causing material loss and thinning of paddle surfaces
Maintenance Indicators
  • Unusual vibration patterns or audible knocking during operation indicating imbalance or structural damage
  • Visible material loss, pitting, or cracks on paddle surfaces observed during routine inspections
Engineering Tips
  • Implement regular thickness monitoring using ultrasonic testing to track wear rates and schedule replacements before failure
  • Optimize paddle design with wear-resistant materials (e.g., hardened steel or polyurethane coatings) and ensure proper alignment to reduce stress concentrations

Compliance & Manufacturing Standards

Reference Standards
ISO 28580:2011 (Agitators and mixers - Safety requirements) ANSI/ASME B73.1 (Specification for horizontal end suction centrifugal pumps for chemical process) DIN 28136 (Agitators - Dimensions and nominal speeds)
Manufacturing Precision
  • Bore diameter: +/-0.02mm
  • Paddle flatness: 0.1mm per 100mm length
Quality Inspection
  • Dye Penetrant Test for surface cracks
  • Spectrographic Analysis for material composition verification

Factories Producing Agitator Paddles

Manufacturer profiles with relevant production capability in China

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

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What materials are recommended for pharmaceutical-grade agitator paddles?

For pharmaceutical applications, we recommend 316L stainless steel for corrosion resistance and cleanability, or food-grade plastics like PTFE and UHMW-PE for chemical inertness and low friction.

How do agitator paddles improve tablet press performance?

Agitator paddles homogenize powder blends in the feed frame, ensuring consistent density and flow. This reduces tablet weight variation, improves compression uniformity, and minimizes production defects.

What maintenance is required for agitator paddles in continuous operation?

Regular inspection for wear, cleaning to prevent cross-contamination, and checking fastener tightness. Material choice affects maintenance frequency—stainless steel offers durability, while plastics may need replacement more often in abrasive blends.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Machinery and Equipment Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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.

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