Core Extrusion Machine

Twin-Screw Food Extruder Machine

The core processing machine for cooking, shaping and expanding snacks, breakfast cereal, dry pet food, aquatic feed and nutrition powder. ZEKO selects the screw, die, cutter and downstream equipment around your formula, final product and real output target.

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Model familyLab, ZK-65, ZK-70, ZK-75, ZK-85 and ZK-95

ApplicationsSnacks, pet food, fish feed and nutrition powder

Machine roleCooking, shaping, expanding and texture control

Supply scopeSingle extruder or complete production line

Twin-screw extruder selection brief

Three decisions define the right twin-screw food extruder.

1. Start with the finished productFormula, moisture, texture, expansion, shape and cutting requirements determine the screw, die, cutter and suitable downstream process.

2. Plan practical output, not a nameplateStable saleable output must be matched across feeding, extrusion, drying, cooling and optional packing. The extruder is only one capacity constraint.

3. Confirm the equipment boundaryDecide whether you need a stand-alone extruder for an existing line or a complete process route with material handling, drying and finishing sections.

Select a Twin-Screw Food Extruder Around the Product

The same extruder platform can support different applications, but the configuration must follow the approved product and factory process.

Choose the product route firstDirectly expanded snacks, dry pet food and aquatic feed use different formulas, dies, cutting conditions and downstream equipment. Compare the relevant puffed snack, pet food and fish feed production routes before selecting a model.

Balance the complete line capacityFeeding consistency, dryer residence time, cooling and packing speed can reduce saleable output even when extrusion is stable. Use the food extrusion capacity-planning guide to compare complete configurations on the same basis.

Define trial and acceptance conditionsProvide formula categories, target product, capacity, voltage and existing equipment. For a complete line, agree representative material, quality checks and capacity basis before testing using the factory acceptance test checklist.

Food Extruder Applications

Typical products and project types this solution can support.

Puffed snack extrusionConfiguration can be adjusted according to formula, capacity and market requirements.

Pet food kibble shapingConfiguration can be adjusted according to formula, capacity and market requirements.

Aquatic feed pelletsConfiguration can be adjusted according to formula, capacity and market requirements.

Cereal powder processingConfiguration can be adjusted according to formula, capacity and market requirements.

Formula testing and product developmentConfiguration can be adjusted according to formula, capacity and market requirements.

Twin-Screw Extruder Project Options

Each solution is matched to your final product, formula, capacity, workshop and utilities.

Twin screw food extruderEquipment scope, capacity and layout are configured around the target product and factory conditions.

Snack extruder machineEquipment scope, capacity and layout are configured around the target product and factory conditions.

Pet food extruder machineEquipment scope, capacity and layout are configured around the target product and factory conditions.

Fish feed extruderEquipment scope, capacity and layout are configured around the target product and factory conditions.

Lab and industrial extrusion machineEquipment scope, capacity and layout are configured around the target product and factory conditions.

Twin-Screw Extrusion Process

A practical process flow for buyer discussion and line configuration.

1Material feeding

2Screw conveying and mixing

3Heating and cooking

4Pressure forming

5Die mold shaping

6Cutting and discharge

How We Configure Your Food Extruder

Important choices that affect quotation, layout and production performance.

Key Features

Screw design selected according to formula and product target
Die molds and cutter system support product shape changes
Control cabinet can be configured for local voltage
Auxiliary conveyors, mixer and dryer can be matched as needed

For Accurate Quotation

Material and formula type
Target product and shape
Required capacity
Single machine or complete line
Voltage and automation requirement

ZEKO Project Support

Process discussion before quotation
Complete production line layout according to workshop conditions
Machine assembly, electrical cabinet setup and factory testing
Export packing, delivery and remote installation support

Technical Planning Guide

Use this buyer-focused guide to prepare your project requirements before requesting a configuration.

Twin-Screw Extruder: Machine or Complete Line?Use this buyer guide to define equipment boundaries, capacity basis, utilities and acceptance scope before comparing proposals.Read the Technical Guide →

ZEKO Twin-Screw Extruder Model Selection

The correct platform is selected by final product, formula, required output and downstream equipment rather than model number alone.

ZEKO platform	Typical project position
Laboratory twin-screw extruder	Formula trials, product development and small-batch testing
ZK-65	Small commercial production and entry-level complete lines
ZK-70	Medium-output continuous food extrusion projects
ZK-75	Specialty and higher-output projects requiring a different screw and drive platform
ZK-85	Medium-to-large continuous production lines
ZK-95	Large continuous production projects

One extruder model can produce different outputs when making snacks, breakfast cereals, pet food, aquatic feed or nutrition powder. ZEKO confirms reference capacity only after reviewing the formula, product shape, density, moisture and downstream dryer load.

Extruder Scope, Materials and Utilities

The extruder can be supplied as a stand-alone machine or matched with upstream and downstream equipment for a complete line.

Typical Machine Scope

Feeding system
Drive motor and gearbox
Twin-screw processing section
Barrel heating and temperature control
Die and shaping system
Cutting system
Electrical control cabinet

Single-screw extruders are a separate option used mainly for formed pellet products that are expanded later by frying. Directly expanded products normally use a twin-screw extruder.

Machine MaterialsThe selected construction can use stainless steel 201 or 304 according to the confirmed food-contact scope. Screw, barrel and wear-part specifications are selected for the formula and process.Electrical RequirementsVoltage, frequency, phases, installed power and control components are configured for the destination factory and selected extruder platform.

Production TimeReference production time for a single machine is 15-20 days after the initial payment, subject to final configuration.Project SelectionSend the raw material, finished product, shape, capacity and factory voltage so ZEKO can select the extruder, die, cutter and required auxiliary equipment.

Twin-Screw Food Extruder Machine FAQ

Practical answers about configuration, capacity, utilities and quotation planning.

Which ZEKO twin-screw extruder models are available?

The current model family includes a laboratory twin-screw extruder and ZK-65, ZK-70, ZK-75, ZK-85 and ZK-95 industrial platforms.

Why is there no single capacity for each extruder model?

Output changes with the final product, formula, die shape, expansion ratio, density, moisture and downstream dryer load. Capacity is therefore confirmed for the actual application.

When should a twin-screw extruder be used?

Twin-screw extrusion is normally used for directly expanded snacks, breakfast cereals, dry pet food, aquatic feed and processed cereal or nutrition products.

When is a single-screw extruder used?

ZEKO mainly uses a single-screw forming machine for pellet products that are shaped first and expanded later by frying. It does not provide the same direct expansion process as a twin-screw extruder.

Can the extruder be purchased without a complete line?

Yes. It can be supplied as a stand-alone machine for an existing line or matched with mixing, conveying, drying, seasoning, cooling and packing equipment.

Can dies, cutters, voltage and screw configuration be customized?

Yes. These items are selected according to the formula, finished product, shape, capacity, destination voltage and existing factory conditions.

What information is required for extruder selection?

Provide the raw materials or formula categories, product photos, target shape and size, required hourly capacity, factory voltage and whether you need a single machine or complete line.

Send Your Product Target To ZEKO

Share final product, raw material, capacity, voltage and workshop size. ZEKO can match the process and equipment configuration around your real project.

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