Reciprocating Laminator

The Wanttone reciprocating laminator is the key machine for producing soda crackers and other laminated biscuits with a flaky, layered texture.

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Reciprocating Laminator

Product Overview

Its reciprocating carriage travels back and forth across the receiving conveyor, folding the continuous dough sheet into a precise multi-layer stack, while an integrated flour sprayer dusts each layer to keep them distinct through gauging and baking. The result is clear stratification, a crisp bite, and the characteristic flaky appearance of premium soda crackers. Electric dough-thickness adjustment and synchronized carriage speed give production managers full control over layer count and final product structure.

Biscuit dough laminating equipment and feed conveyors installed in a layered-biscuit line
Laminating section in a layered-biscuit line — process reference

Capabilities & Applications

Key Features

  • Authentic Layered Structure

    Reciprocating overlap of the dough sheet builds a controlled number of layers, delivering the flaky texture and distinct stratification that define soda crackers.

  • Integrated Flour Sprayer

    Dry flour is dusted between layers during lamination, preventing layer adhesion so the flaky structure survives gauge rolling and baking.

  • Adjustable Layer Count & Thickness

    Carriage stroke, travel speed, and dough sheet thickness (electric adjustment) are tuned per recipe, letting one machine serve multiple cracker specifications.

  • Heavy, Stable Construction

    The conveyor frame uses 15 mm Q235 carbon steel plate; dough-contact pallets are 304 stainless steel and the enclosure is 1.5 mm 304 stainless steel for hygienic, durable operation.

  • Line-Synchronized Operation

    Lamination speed matches upstream sheeting and downstream gauge rolls automatically, keeping layer tension uniform and avoiding sheet tearing or wrinkles.

  • Wide-Belt Capacity

    Lamination widths of 950 mm and 1150 mm (other widths customizable) support medium to high-capacity cracker lines.

Applications

  • The reciprocating laminator is positioned after the three-roll dough sheeter and before the gauge roll cascade in soda cracker, saltine, cream cracker, and fermented tough-biscuit lines. It is essential wherever a layered, flaky crumb structure is required, and can be bypassed when the same line runs non-laminated hard biscuits.

A Defined Role in the Line

  1. Upstream Requirements

    Confirm the incoming material or product condition, target throughput, infeed height and available utilities.

  2. Core Machine Function

    Reciprocating overlap of the dough sheet builds a controlled number of layers, delivering the flaky texture and distinct stratification that define soda crackers.

  3. Downstream Integration

    Match discharge height, line speed, control signals, guarding and cleaning access with the next operation.

Specifications & Configuration

Technical Parameters for Reciprocating Laminator
ConfigurationRolling Surface WidthLamination WidthDimensions (L×W×H)PowerWeight
Configuration 1600 mm950 mm3350×1650×2300 mm10 kW6.0 T
Configuration 2600 mm1150 mm3550×1650×2300 mm10 kW6.5 T

Flour sprayer included; layer count and carriage stroke adjustable per recipe; other widths customizable.

The Wanttone Difference

Soda cracker quality lives or dies in the lamination step — and Wanttone has been perfecting cracker technology since 1981. Our own biscuit factory runs laminated cracker production on Wanttone laminators, so layer count logic, flour dosing, and carriage synchronization are validated daily under real commercial conditions, not just test-bench trials. As an ISO 9001 manufacturer with a dedicated Foodstuff Machinery Research Institute, we also support you beyond the hardware: recipe and process development for fermented doughs, layer structure tuning, operator training, and full line integration from mixer to oven. With Wanttone, you buy a laminator plus four decades of cracker-making know-how, backed by lifetime after-sales service.

Frequently Asked Questions

Which products require a reciprocating laminator?

Soda crackers, saltines, cream crackers, and other fermented or laminated tough biscuits. The machine creates the layered dough structure responsible for their flaky texture.

How many dough layers can the machine build?

Layer count is set by carriage stroke, travel speed, and line speed, and is fully adjustable per recipe. Our engineers help you dial in the layer structure for your target texture during commissioning.

What does the flour sprayer do?

It dusts a fine, even layer of flour between dough folds so the layers stay separated through subsequent gauge rolling. Dosing is adjustable to avoid excess flour in the final product.

Can the laminator be bypassed for non-laminated biscuits?

Yes. When the line runs plain hard biscuits, dough can be routed past the laminator directly to the gauge rolls — one line serves both laminated and non-laminated products.

How does the laminator synchronize with the rest of the line?

Carriage speed and conveyors are frequency-controlled and linked to the line control system, so lamination automatically matches sheeter output and gauge roll intake speeds.