Industrial Dough Mixer Impeller Assembly

Product Specifications

Technical details and manufacturing context for Industrial Dough Mixer Impeller Assembly

Definition

The Industrial Dough Mixer Impeller Assembly is a critical component within large-scale bakery production lines, specifically designed for high-volume dough mixing operations. This precision-engineered assembly ensures consistent dough texture and gluten development through optimized fluid dynamics and mechanical action. It serves as a key consumable part in B2B supply chains for bakery equipment maintenance and replacement programs. Manufacturers rely on these assemblies to maintain production efficiency and product quality standards across continuous baking operations.

The assembly typically consists of a central hub and two to four blades, with an overall diameter ranging from 400 to 1200 mm. It is available in food-grade stainless steel (SS304 or SS316) or hardened alloy steel, with surface finishes of Ra 0.4–0.8 to facilitate hygiene and cleaning. The shaft connection is a Taper Lock type per DIN 6885, ensuring a secure fit on the mixer drive shaft. The maximum operating speed is 300–600 RPM, and the maximum torque is 500–2000 N·m, depending on the model. The assembly weighs between 15 and 60 kg and is balanced to G2.5 per ISO 1940-1 to reduce vibration and noise. Operating temperature range is -10 to 80°C, above which seals may degrade. The noise level at 1 meter distance is ≤75 dB(A) per ISO 3746. Food contact compliance is referenced to FDA 21 CFR 177.

This component is designed for use in industrial dough mixers, where it transfers rotational energy to the dough, creating shear forces and folding action that homogenize ingredients and develop gluten structure. It is suitable for various dough types, including bread, pizza, and pastry. When selecting an impeller assembly, verify the specific dimensions, material grade, and performance parameters against the mixer's requirements and the manufacturer's specifications. Always confirm model-specific values and standards with the legal manufacturer or supplier before procurement.

Working Principle

The impeller assembly is mounted on the mixer's drive shaft and rotates at speeds between 300 and 600 RPM. The blades are shaped to create a combination of shear forces and folding actions as they move through the dough. This mechanical action homogenizes ingredients, hydrates flour, and develops the gluten network, resulting in consistent dough texture and quality. The design of the blades and the assembly's balance (G2.5) ensure efficient energy transfer and minimize vibration, which is critical for maintaining product consistency and equipment longevity.

Common Materials

Food-grade stainless steel 316L, Hardened alloy steel

Technical Parameters

Parameter	Typical range	Notes & selection driver
Impeller DiameterRequired	400–1200 mm	Overall diameter of the mixing assembly
Shaft Connection TypeRequired	Taper Lock type	Mechanical interface for mixer drive shaftDIN 6885
Maximum Operating SpeedRequired	300–600 RPM	Safe rotational speed limit
Blade CountRequired	2–4 pcs	Number of mixing blades in assembly
Surface FinishRequired	Ra 0.4–0.8 Ra	Surface roughness for hygiene and cleaningISO 4287
Weight	15–60 kg	Total assembly mass for balancing
Material Grade	SS304/SS316	316 for corrosive environmentsASTM A240
Operating Temperature	-10–80 °C	Above 80°C may degrade seals
Maximum Torque	500–2000 N·m	Ensure shaft and drive can handle
Balancing Grade	G2.5	Reduces vibration and noiseISO 1940-1
Food Contact Compliance	FDA 21 CFR 177	Required for food safetyFDA 21 CFR 177
Noise Level	≤75 dB(A)	At 1 m distanceISO 3746

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

Components / BOM

Central Hub Part
Primary structural element connecting to drive shaft

Material: Forged stainless steel
Mixing Blades Part
Primary mixing elements that contact and manipulate dough

Material: Hardened stainless steel
Reinforcement Ribs Part
Structural supports preventing deformation under load

Material: Stainless steel
Locking Mechanism
Secure fastening system for blade attachment

Material: Alloy steel
Wear Indicator Optional Part
Visual marker showing blade wear level

Material: Contrasting metal insert

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Industrial Dough Mixer Impeller Assembly.

Manufacturers of Industrial Dough Mixer Impeller Assembly

Manufacturer profiles associated with Industrial Dough Mixer Impeller Assembly.

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Frequently Asked Questions

What materials are available for the impeller assembly?

The assembly is available in food-grade stainless steel (SS304 or SS316) or hardened alloy steel. The material grade should be selected based on the application's corrosion and wear requirements, and confirmed with the supplier.

What is the maximum operating speed and torque?

The maximum operating speed is 300–600 RPM, and the maximum torque is 500–2000 N·m, depending on the model. These values must be verified against the mixer's drive system and the specific assembly configuration.

How is the impeller balanced?

The assembly is balanced to G2.5 per ISO 1940-1, which helps reduce vibration and noise during operation. This is important for maintaining product consistency and prolonging equipment life.

What is the operating temperature range?

The recommended operating temperature range is -10 to 80°C. Operating above 80°C may degrade seals and affect performance. Always confirm the temperature limits with the manufacturer for your specific application.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	Atmospheric to 2 bar
flow rate:	Up to 500 L/min
temperature:	-10°C to 80°C
slurry concentration:	Up to 70% solids by weight