Main Roller Assembly for Industrial Dough Laminators

Product Specifications

Technical details and manufacturing context for Main Roller Assembly

Definition

The Main Roller Assembly is the core mechanical component of an industrial dough laminator responsible for compressing and flattening dough into uniform sheets through controlled pressure application. It consists of precision-engineered rollers, bearings, and support structures that work in coordination to achieve consistent dough thickness and texture. The assembly is designed for food manufacturing environments, with materials on file including stainless steel and food-grade rubber. Key parameters include roller diameter (150–300 mm), roller width (500–1200 mm), roller speed (5–30 m/min), and dough thickness range (1–25 mm). Roller gap adjustment accuracy is ±0.05 mm, ensuring uniform dough thickness. Operating pressure is 1.0–1.6 MPa, and operating temperature is 0–40°C. Roller material is stainless steel 304 (ASTM A240), with surface hardness 50–60 HRC (ASTM E18) and surface roughness 0.4–0.8 μm Ra (ISO 4287). Motor power is 2.2–7.5 kW (IEC 60034), electrical supply is 380–480 V AC (IEC 60038), and ingress protection is IP54–IP65 (IEC 60529). The assembly weighs 500–1500 kg. These values are directory reference ranges and must be confirmed for the specific model and application. The assembly is a component, not a standalone machine, and its performance depends on integration with the laminator's control system and other components. Verification of model-specific values and standards should be conducted with the legal manufacturer or supplier.

Working Principle

The assembly operates by rotating parallel rollers at synchronized speeds, with adjustable gap settings that determine dough thickness. As dough passes between the rollers, hydraulic or mechanical pressure systems apply controlled force to compress the dough while maintaining consistent sheet formation. The roller gap can be adjusted within the specified range to achieve the desired dough thickness, and the gap adjustment accuracy ensures uniformity. The rollers are driven by an electric motor, and the speed is synchronized to match the dough line capacity. The pressure applied is regulated to avoid over-compression, which could affect dough quality. The assembly's design includes bearings and support structures to maintain alignment and stability during operation. Proper maintenance, including lubrication and inspection of wear parts, is essential for consistent performance. Failure to maintain the assembly can lead to uneven dough thickness, increased downtime, and potential safety hazards.

Common Materials

Stainless Steel, Food-Grade Rubber

Technical Parameters

Parameter	Typical range	Notes & selection driver
Roller Diameter	150–300 mm	Determines dough sheet thickness range
Roller Width	500–1200 mm	Matches dough line capacity
Roller Speed	5–30 m/min	Affects throughput and dough quality
Dough Thickness Range	1–25 mm	Adjustable via roller gap
Roller Gap Adjustment Accuracy	±0.05 mm	Ensures uniform dough thickness
Operating Temperature	0–40 °C	Above 40°C may affect dough quality
Roller Material	304 SS	Food-grade stainless steelASTM A240
Surface Hardness	50–60 HRC	Wear resistance for long service lifeASTM E18
Surface Roughness	0.4–0.8 μm Ra	Smooth finish prevents dough stickingISO 4287
Motor Power	2.2–7.5 kW	Sized for roller torque and speedIEC 60034
Electrical Supply	380–480 V AC	Three-phase, 50/60 HzIEC 60038
Ingress Protection	IP54–IP65	Protects against water and dust in washdown areasIEC 60529
Weight	500–1500 kg	Affects installation and structural support

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

Compression Roller Part
Primary surface that contacts and compresses dough

Material: Stainless Steel
Roller Bearing Housing
Supports roller rotation and maintains alignment

Material: Cast Iron
Pressure Adjustment Mechanism
Allows precise control of roller gap and compression force

Material: Carbon Steel
Roller Drive Motor
Turns the rollers; its speed is what gets synchronized to the dough line capacity.

Manufacturers of Main Roller Assembly

Manufacturer profiles associated with Main Roller Assembly.

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Frequently Asked Questions

What is the Main Roller Assembly used for?

It is a component of an industrial dough laminator that compresses and flattens dough into uniform sheets by applying controlled pressure through rotating rollers.

What materials are used in the Main Roller Assembly?

The materials on file include stainless steel (specifically 304 grade) and food-grade rubber, which are suitable for food contact and provide durability and hygiene.

How is dough thickness controlled?

Dough thickness is controlled by adjusting the gap between the rollers. The gap can be set within a range of 1–25 mm, with an adjustment accuracy of ±0.05 mm to ensure uniformity.

What are the key specifications to verify before purchasing?

You should verify roller diameter, width, speed, motor power, electrical supply, ingress protection, and other parameters against your specific application. Always confirm with the manufacturer or supplier for the exact model.

Data Basis

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Preliminary Technical Classification

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pressure:	Up to 50 bar (adjustable for dough thickness)
other spec:	Roller speed: 0.5-5 m/min, Dough sheet width: 300-1200 mm
temperature:	10°C to 40°C (dough processing range)

Main Roller Assembly

Product Specifications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards