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Views: 0 Author: SINOBAKE-Johnson Publish Time: 2026-09-23 Origin: Site
Choosing a biscuit production line is not simply a matter of selecting machines with a certain production capacity.
The first question should be:
What type of biscuit do you want to produce?
Hard dough biscuits, crackers, short-dough biscuits, cookies, sandwich biscuits and filled or deposited products can have very different dough characteristics, forming requirements, baking conditions and secondary processing needs.
As a result, two biscuit production lines with the same nominal capacity may have very different equipment configurations.
A practical biscuit production line should therefore be designed from the product backward:
Product → Dough → Forming → Baking → Cooling → Secondary Processing → Packaging → Production Line
This article explains how biscuit manufacturers, factory investors and production managers can match different biscuit types with the appropriate production process and equipment configuration.
Although many biscuits are made from similar basic ingredients such as flour, fat, sugar and water, their formulations and dough properties can be very different.
The desired final product may be:
crisp or tender
dense or aerated
smooth or textured
flat or three-dimensional
plain or filled
soft or highly crunchy
uniform or containing visible inclusions
These characteristics influence the way the dough must be mixed, handled, formed and baked.
In industrial biscuit production, the forming method is particularly important because different doughs behave differently under mechanical stress.
For example, hard dough products are commonly formed through sheeting, gauging and cutting, while short doughs are well suited to rotary moulding. Soft dough products, especially those containing inclusions such as chocolate chips or nuts, may require extrusion and wire cutting. Depositing is another forming approach for softer or more pourable mixtures.
Therefore, production line design should begin with the product and dough, rather than with a machine catalogue.
Different biscuit categories can require substantially different process routes.
The following overview provides a practical starting point.
Biscuit Type | Typical Dough Characteristics | Common Forming Approach | Important Process Considerations |
|---|---|---|---|
Hard Dough Biscuits | More developed, relatively firm dough | Sheeting + gauging + cutting | Dough development, relaxation, thickness control |
Crackers | Developed and often fermented or laminated systems | Sheeting + gauging + cutting | Dough development, lamination, docking, baking |
Short-Dough Biscuits | Short, plastic dough | Rotary moulding | Dough consistency, mould filling, extraction |
Cookies | Soft dough, often rich in fat/sugar | Wire-cutting or depositing | Dough consistency, inclusions, shape retention |
Sandwich Biscuits | Biscuit shells + filling | Moulding/cutting + sandwiching | Shell uniformity, filling deposition, alignment |
Filled / Deposited Biscuits | Soft or depositable dough or filling systems | Depositing / extrusion / specialized forming | Deposit accuracy, viscosity, shape retention |
Specialty Products | Product-dependent | Product-specific | Formulation and process compatibility |
This classification should not be treated as a rigid rule.
Actual production depends on formulation, product geometry, target texture, ingredients, capacity and factory requirements.
The key principle is:
The production process must be compatible with the physical properties of the dough and the quality characteristics required for the finished biscuit.
Hard dough biscuits are commonly associated with a more developed dough structure and a continuous forming process based on sheeting and cutting.
A typical process may include:
Mixing → Dough Resting → Sheeting → Gauging → Cutting → Baking → Cooling → Packaging
The dough passes through a series of rolls that progressively reduce its thickness before being cut into individual pieces.
The objective is not simply to make the dough thinner.
The forming system must establish:
controlled dough thickness
consistent dough piece weight
uniform dimensions
suitable dough condition for cutting
stable transfer to the oven
Dough handling also matters. Excessive mechanical stress or insufficient relaxation can affect the behavior of the dough during forming.
Industrial sheeting therefore requires control of the dough condition, roll settings and dough flow.
A hard biscuit line may include:
Dough mixer
Dough feeder
Dough sheeter
Gauge rolls
Laminator where required
Rotary cutter
Scrap return system
Oven
Cooling conveyor
Stacking system
Packaging equipment
The exact configuration depends on the product.
Crackers represent another important category because their production can involve additional dough development, fermentation or lamination depending on the product.
A simplified process may look like:
Mixing → Fermentation / Resting → Laminating → Sheeting → Gauging → Cutting → Docking → Baking → Cooling → Packaging
Cracker production is therefore not simply a smaller version of a sweet biscuit line.
The desired product structure, blistering, crispness, thickness and surface characteristics can require different dough handling and baking conditions.
For production managers, this means that the following questions should be considered before equipment selection:
Does the recipe require fermentation?
Is lamination required?
What final thickness is required?
Is docking necessary?
What surface appearance is required?
What moisture level and texture are targeted?
What baking profile is appropriate?
The production line should then be designed around those process requirements.
Short-dough biscuits are commonly associated with rotary moulding.
Rotary moulding works differently from sheeting and cutting.
Instead of producing a continuous sheet and cutting shapes from it, the dough is pressed into mould cavities and then released onto the oven band.
This method is particularly suited to short doughs with appropriate plasticity and release characteristics.
A typical process is:
Mixing → Dough Feeding → Rotary Moulding → Baking → Cooling → Packaging
Rotary moulding can provide highly repeatable shapes and detailed surface patterns, making it useful for many types of short biscuits.
However, the dough condition is critical.
If the dough is too soft, too stiff or otherwise unsuitable, mould filling and dough-piece extraction can become difficult.
This is one reason why the same forming machine cannot automatically be considered suitable for every biscuit formulation.
Cookies are often associated with softer dough systems.
Many cookies contain relatively high levels of fat and sugar and may also include ingredients such as:
Chocolate chips
Nuts
Raisins
Seeds
Other inclusions
For these products, wire-cutting or depositing can be more appropriate than rotary moulding.
A typical wire-cut cookie process may be:
Mixing → Dough Feeding → Wire-Cutting → Baking → Cooling → Packaging
Wire-cutting forms individual pieces by extruding the dough and cutting it into portions.
This approach provides flexibility for products with inclusions because the forming system can handle doughs that would not be suitable for conventional rotary moulding.
Depositing provides another route for soft or more fluid mixtures.
The choice between wire-cutting and depositing depends on the dough's rheology, product geometry, inclusions and desired appearance.
Depositing is particularly useful when the dough or batter is sufficiently soft or flowable to be portioned through a depositing system.
The process may involve:
Mixing → Holding / Feeding → Depositing → Baking → Cooling → Packaging
The key engineering questions become different:
How does the product flow?
How accurately can it be deposited?
How does the deposit retain its shape?
Does the dough spread during baking?
Are inclusions present?
How sensitive is the product to temperature?
What baking profile is required?
For this reason, a depositor should not be selected based only on its nominal output.
The product's rheology and forming behavior are equally important.
Sandwich biscuits introduce another level of complexity.
A sandwich biscuit typically requires:
Biscuit Shell Production → Baking → Cooling → Filling → Sandwiching → Handling → Packaging
The biscuit shells must first be produced with sufficient dimensional consistency.
After baking and cooling, the shells are transferred to a sandwiching system where a controlled amount of cream or other filling is applied.
The filling process introduces additional considerations:
Filling viscosity
Deposit accuracy
Filling weight
Shell alignment
Product handling
Temperature control
Shelf-life considerations
For filled products, the relationship between the filling and biscuit shell is also important.
Moisture migration and fat migration can influence product quality and shelf life, meaning that product design cannot be separated completely from filling formulation, process control and packaging.
Some biscuit products require additional filling, depositing, coating or secondary processing.
Depending on the product, the process may include:
Internal filling
Sandwich filling
Deposited filling
Chocolate coating
Decoration
Layering
Special shaping
For example, a chocolate-coated biscuit requires not only a suitable biscuit base but also a controlled coating process.
The coating system may involve:
Biscuit Preparation → Conditioning → Enrobing → Cooling → Packaging
The relationship between biscuit temperature, coating properties, cooling and packaging can influence final quality.
Therefore, secondary processing should be considered during the original line design rather than added as an afterthought.
One of the most important decisions in biscuit line design is selecting the appropriate forming technology.
A simplified decision framework is:
Hard dough → Sheeting → Gauging → Cutting
Cracker dough → Fermentation / Lamination where required → Sheeting → Gauging → Cutting
Short dough → Rotary Moulding
Soft dough → Wire-Cutting
Soft or flowable dough → Depositing
Biscuit shell forming → Baking → Cooling → Filling → Sandwiching
The important point is that these are not merely different machines.
They represent different relationships between:
Dough properties + forming mechanics + baking requirements + finished-product characteristics.
Before selecting equipment, it is useful to understand the dough.
Important characteristics may include:
The dough must have the appropriate consistency for the selected forming method.
Moisture affects dough handling, spreading, baking and final texture.
Fat influences dough structure, plasticity and eating quality.
Sugar can influence dough properties, spread, browning and finished texture.
The degree of dough development can strongly influence forming behavior and product structure.
Chocolate chips, nuts, seeds and other particles can restrict the choice of forming technology.
Dough temperature can affect consistency and process stability.
This is why a production line should not be designed from the product name alone.
A customer saying:
"I want to produce cookies."
is not yet enough information to specify a complete production line.
Mixing is the first major process step, but the objective is not simply to mix all ingredients together.
Different products require different dough conditions.
The mixer and mixing process must be considered according to:
Recipe
Batch size
Mixing sequence
Dough development
Fat incorporation
Dough temperature
Resting requirements
Production capacity
A hard dough product may require a different mixing strategy from a short dough or soft cookie.
For this reason, mixer selection should be connected to the downstream forming process.
These four forming approaches are particularly useful to compare.
Forming Method | Typical Product | Main Principle |
|---|---|---|
Sheeting + Cutting | Hard biscuits, crackers | Dough is sheeted, gauged and cut |
Rotary Moulding | Short-dough biscuits | Dough is pressed into mould cavities |
Wire-Cutting | Soft cookies | Extruded dough is cut into pieces |
Depositing | Soft/depositable products | Dough or batter is portioned through a depositor |
The selection should be based on dough behavior and product requirements rather than machine popularity.
After forming, the dough pieces enter the oven.
However, the oven should not be considered a generic heating machine.
Baking controls several important characteristics:
Moisture reduction
Structure development
Texture
Colour
Surface appearance
Volume
Final product quality
Different biscuit categories can therefore require different baking conditions and oven configurations.
Industrial biscuit oven design involves heat transfer, temperature profile, baking time, humidity and oven-zone control.
For example, crackers, hard sweet biscuits, short-dough biscuits and soft cookies can have different baking requirements.
This is why oven selection should follow product requirements rather than simply line capacity.
A higher-capacity oven is not automatically the correct oven for every product.
The process does not end when biscuits leave the oven.
Cooling is necessary before many downstream operations, particularly packaging and secondary processing.
A cooling system must provide:
Controlled product temperature
Stable product handling
Adequate cooling time
Consistent product flow
Suitable conditions for stacking or packaging
For sandwich biscuits, cooling is particularly important because filling operations normally require biscuit shells to reach a suitable condition before cream application.
Therefore:
Baking → Cooling → Secondary Processing
should be considered as one connected system.
Packaging is sometimes treated as the final step of the project.
For a complete production line, however, packaging should be considered earlier.
The required packaging format can influence:
Product orientation
Stacking
Counting
Feeding
Buffering
Packaging speed
Secondary packaging
Finished-product handling
For example, a product sold in individual flow packs may require a different handling system from products packed into trays, cartons or larger industrial packs.
Therefore, the production line should be designed from the product all the way to the final package.
This is one of the most common questions when planning a new biscuit factory.
The short answer is:
Some products can share parts of a production line, but no single configuration is automatically optimal for every biscuit type.
The reason is that different products may require different:
Dough characteristics
Mixing conditions
Forming systems
Dough handling
Baking profiles
Cooling requirements
Secondary processing
Packaging systems
For example:
A rotary-moulded short biscuit and a wire-cut chocolate-chip cookie may both be baked in a continuous tunnel oven, but their dough preparation and forming systems can be fundamentally different.
Likewise, a sandwich biscuit requires additional filling and sandwiching equipment after baking.
The correct approach is therefore not:
"Can one line make everything?"
but:
"Which products can realistically share the same process modules, and where do dedicated modules become necessary?"
If you are planning a new biscuit factory, the following sequence can help.
Start with the actual product.
Define:
Biscuit type
Shape
Size
Thickness
Weight
Texture
Colour
Surface pattern
Filling
Inclusions
Determine:
Dough consistency
Moisture
Fat and sugar characteristics
Dough development
Temperature
Inclusions
Resting or fermentation requirements
Based on the dough and product, determine whether the process should use:
Sheeting and cutting
Rotary moulding
Wire-cutting
Depositing
Extrusion
A combination of methods
Consider:
Product thickness
Target moisture
Colour
Texture
Baking time
Heat-transfer requirements
Oven band
Oven-zone configuration
Consider:
Cooling time
Product temperature
Product fragility
Stacking requirements
Transfer system
Secondary processing
Depending on the product, this may include:
Cream filling
Sandwiching
Chocolate coating
Decoration
Depositing
Other finishing processes
Only after understanding the product and process should the production capacity be translated into equipment sizing.
Capacity should be considered across the complete line.
The real target is not simply:
"A 1,000 kg/h mixer."
The objective is:
A balanced production system capable of delivering the required finished-product output.
This connects directly to the capacity-planning principles discussed in the previous article.
The production line must fit the actual factory.
Consider:
Raw material flow
Personnel flow
Equipment footprint
Maintenance access
Product flow
Utilities
Packaging area
Finished-product storage
Hygiene requirements
A theoretically suitable machine configuration may still be impractical if it does not fit the factory layout.
Automation should be considered according to:
Target output
Labour availability
Product variety
Quality consistency
Factory operating model
Investment level
Automation is not simply about adding more machines.
The objective is to create a stable and controllable production process.
Consider a factory planning to produce four products.
A typical process may be:
Mixing → Sheeting → Gauging → Cutting → Baking → Cooling → Stacking → Packaging
The forming section is centred around sheeting and cutting.
A typical process may be:
Mixing → Dough Feeding → Rotary Moulding → Baking → Cooling → Stacking → Packaging
Here, rotary moulding becomes the key forming technology.
A typical process may be:
Mixing → Dough Feeding → Wire-Cutting → Baking → Cooling → Packaging
The presence of inclusions and the softer dough make the forming process different.
A typical process may be:
Mixing → Forming → Baking → Cooling → Cream Filling → Sandwiching → Stacking → Packaging
The additional filling and sandwiching stages create a more complex downstream process.
These four products may all be called "biscuits" or "cookies" by consumers.
From an engineering perspective, however, their production systems can be significantly different.
A professional biscuit production line should be designed around the customer's actual production requirements.
At SINOBAKE, the configuration process can be considered around several key factors:
Product Type
What type of biscuit or cookie will be produced?
Target Capacity
What finished-product output is required?
Dough Characteristics
What forming technology is compatible with the dough?
Baking Requirements
What baking profile, oven configuration and heat-transfer characteristics are required?
Factory Layout
How should the equipment be arranged within the available production space?
Automation Level
What level of automation is appropriate for the customer's production model?
Packaging Requirements
How will the finished product be handled and packed?
The result is not simply a collection of individual machines.
It is a connected production system in which:
Mixing → Forming → Baking → Cooling → Secondary Processing → Packaging
must work together.
This product-oriented approach helps avoid a common mistake in factory investment:
Selecting machines first and trying to make the product fit the machines afterward.
A better approach is:
Define the product first, understand the process, then configure the equipment.
When designing a biscuit production line, there is no universal equipment configuration that is ideal for every product.
The most important principle is:
Different biscuit types require different combinations of dough preparation, forming, baking, cooling and secondary processing.
Hard dough biscuits often rely on sheeting and cutting.
Crackers may require additional fermentation or lamination processes.
Short-dough biscuits are commonly suited to rotary moulding.
Soft cookies may use wire-cutting or depositing.
Sandwich biscuits require additional filling and sandwiching systems.
Filled and coated products may require specialized secondary processing.
Therefore, biscuit production line design should follow this sequence:
Product → Dough → Forming → Baking → Cooling → Secondary Processing → Packaging → Capacity → Layout → Automation
If you are planning a new biscuit factory or expanding an existing production line, understanding this relationship can help you make better equipment and investment decisions.
Some products can share common sections such as mixing, baking, cooling or packaging, but different doughs may require different forming systems. The feasibility depends on product formulation, dough properties, capacity and the required level of production flexibility.
Hard biscuit production commonly uses a sheeting, gauging and cutting system to form the dough pieces before baking.
Rotary moulding is commonly used for short-dough biscuits. It forms dough pieces by pressing the dough into mould cavities and releasing the formed pieces onto the oven band.
Wire-cutting is commonly used for soft cookie dough, including products containing inclusions such as chocolate chips or nuts.
They can. Different products can have different requirements for heat transfer, baking time, temperature profile, moisture reduction, colour and texture. Oven design should therefore be matched to the product and process.
Sandwich biscuits are typically produced by first manufacturing and baking the biscuit shells, cooling them, applying a controlled filling and joining the biscuit pieces before packaging.
Start with the product rather than the machine. Define the biscuit type, dough characteristics, target capacity, forming method, baking requirements, factory layout, automation level and packaging format. These factors can then be translated into an appropriate production line configuration.
Useful information includes product type, recipe or ingredient characteristics, product size and weight, target capacity, forming method if known, baking requirements, packaging format, factory dimensions and desired automation level.
A biscuit production line should not be selected simply because it has the right capacity.
It should be designed because it has the right process.
The right product requires the right dough process.
The right dough process requires the right forming technology.
The forming technology must work with the baking process.
And the complete system must deliver the required capacity, quality and packaging performance.
That is the foundation of a well-designed biscuit production line.
If you are planning a biscuit production project, share your product type, target capacity, product specifications and factory layout with SINOBAKE for a production-process and equipment configuration discussion.
Contact SINOBAKE to discuss your production requirements.
Website: www.sinobakesnacks.com
Johnson | WhatsApp: +86 159 1810 5286
