Get in touch

Contact Form Demo
Loyal Food Machinery

Industrial Nutrition Bar Production Solutions

Engineered for High-Viscosity Syrups and High-Protein Doughs. Turnkey solutions for Granola, Protein, and Energy Bars with precise temperature control.

100 – 1000 kg/h Capacity Range
Slab & Extrusion Dual Technologies
GMP Standard Hygienic Design
Automatic Nutrition Bar Production Line for Granola and Protein Bars
Market Analysis & Strategy

One Growing Market.
Two Distinct Processing Technologies.

The nutrition bar market is divided. On one side, you have particulate-rich Granola/Cereal Bars that require gentle handling. On the other, homogeneous Protein/Energy Bars that demand high-pressure forming.

Loyal Machinery offers specialized lines for both. We don’t force a “one-size-fits-all” machine on you. Instead, we analyze your recipe’s viscosity and texture to recommend either our Slab Former (Rolling) or Extruder (Nozzle) technology.

  • For Cereal Bars: Multi-roller technology gently compresses grains and nuts without crushing them, preserving the premium “homemade” texture.
  • For Protein Bars: High-torque extruders handle stiff, high-protein doughs with precision weight control (±1g) and uniform density.
  • Temperature Control: Active cooling tunnels ensure rapid setting for chocolate-coated or sticky syrup-based bars.
Comparison of Slab Bar Line and Extruder Bar Line Machinery
1,000 kg Max Hourly Output Scalable from entry-level (100kg/h) to industrial mass production.
< 1% Material Waste Automatic edge-trimming and recycling system reduces cost.
304 Stainless Steel Full food-grade construction compliant with GMP/FDA standards.
Modular Add-on Options Easily integrate chocolate enrobers or sprinkler units later.

Select Your Production Technology

Two distinct forming methods for different bar textures. Choose the technology that matches your product recipe.

Nutrition and Protein Bar Slab Production Line Slab Forming Technology

Nutrition / Protein Bar Line (Slab)

The definitive solution for particulate-rich recipes like Granola, Cereal, and Peanut bars. This line uses gentle rolling technology to form a continuous slab, preserving the integrity of nuts and grains.

  • Process: Rolling, Cooling, Slitting & Cutting
  • Ideal For: Granola, Cereal, Peanut, & Mixed Nut Bars
  • Key Feature: Gentle handling for crispy textures
Explore Slab Line →
Protein Bar Extruder Machine System Extrusion Technology

Protein Bar Extruder Line

Engineered for homogeneous doughs and high-protein formulas. This system uses high-torque extrusion to produce dense, uniform bars with precise weight control, perfect for Energy and Date bars.

  • Process: Dough Extrusion & Guillotine Cutting
  • Ideal For: Protein, Energy, Date, & Fruit Bars
  • Key Feature: Handles high-viscosity/stiff doughs
Explore Extruder Line →

Dual-Path Production Process

From sticky syrups to finished bars. Our modular line design accommodates both Slab Forming (Granola) and Extrusion (Protein) technologies.

1
Preparation

Cooking & Mixing

Sugar syrup is cooked to precise temperatures in the Sugar Boiler, then blended with oats, nuts, or protein powder in a high-efficiency Mixer.

Temp Control ±1°C
2A
Path A: Slab Forming

Sheet Rolling (Granola)

For particulate mixtures. The mixture is fed into a hopper and gently compressed by multi-rollers into a continuous slab of uniform thickness.

Non-Destructive Rolling
2B
Path B: Extrusion

Dough Extrusion (Protein)

For homogeneous doughs. The high-viscosity mass is pushed through custom-shaped nozzles (rectangles, cylinders) to form distinct ropes.

Multi-Lane Output
3
Stabilization

Active Cooling Tunnel

The formed bars pass through a refrigerated tunnel. Rapid cooling sets the shape and structure, preparing them for clean cutting without deformation.

Air Circulation
4
Separation

Precision Cutting

Slab Line: Longitudinal slitting followed by cross-cutting.
Extruder Line: High-speed guillotine cutter chops ropes into individual bars.

Servo Cutter
5
Finishing

Chocolate Enrobing

Optional step to coat the bottom or the entire bar with chocolate or yogurt. Includes a cooling stage to harden the shell.

Value Added
6
End of Line

Flow Wrapping

Bars are automatically aligned and fed into the Flow Wrapper. Sensors ensure empty bags are rejected (No Product, No Bag).

High Speed

Technical Specifications

Select the configuration that matches your product type. We differentiate between Slab Forming (for Granola) and Extrusion (for Protein).

Series A: Slab Bar Line (Granola / Cereal / Peanut)
Model Slab Width
(mm)
Capacity Range
(kg/hr)
Tunnel Temp
(°C)
Total Power
(kW)
Layout Length
LY-300S 300 mm 150 – 250 kg/h 0°C – 15°C ~25 kW 12m – 15m
LY-600S 600 mm 400 – 600 kg/h 0°C – 15°C ~45 kW 18m – 22m
LY-800S 800 mm 800 – 1200 kg/h -5°C – 10°C ~65 kW 25m – 30m
Series B: Extruder Bar Line (Protein / Energy / Date)
Model Nozzle Lanes
(Qty)
Output Speed
(pcs/min)
Bar Weight
(grams)
Total Power
(kW)
Cutter Type
LY-P400 4 Lanes 200 – 300 ppm 10g – 100g ~30 kW Guillotine
LY-P600 6 Lanes 300 – 500 ppm 10g – 100g ~45 kW Guillotine
LY-P800 8 Lanes 600 – 800 ppm 10g – 100g ~60 kW Guillotine

Why Loyal?
Engineered for Texture & Density

Processing sticky syrups and stiff protein doughs requires specialized engineering. Our core technologies ensure your bars hold their shape without compromising mouthfeel.

Gentle-Press Rolling

For Slab Lines. Multi-stage rollers gradually compress the mixture. This preserves the structural integrity of whole nuts and grains, preventing them from being crushed into powder.

Application Granola/Cereal
Texture Crunchy & Open

High-Torque Extrusion

For Extruder Lines. Powerful motors and reinforced screws handle high-viscosity, stiff protein doughs without overheating. Ensures uniform density across all lanes.

Accuracy Weight ±1g
Materials Hardened Steel

Active Cooling Tunnel

Essential for sticky syrups. Our tunnels use high-efficiency air circulation to rapidly lower the product temperature, ensuring clean cuts and preventing chocolate blooming.

Control Multi-Zone
Temp Range 0°C to 15°C

One-Touch Recipe Switch

Bar manufacturers often have multiple SKUs (e.g., Peanut Butter, Chocolate Chip, Berry). Our Smart PLC System stores up to 100 recipes. Operators can switch belt speeds, cutter frequency, and cooling temps instantly, minimizing downtime between batches.

Request HMI Demo →
Siemens HMI Control Panel for Bar Production

Your Partner Beyond the Machine

We don’t just sell equipment; we deliver a complete production capability. From verifying your sticky recipes to on-site commissioning, Loyal is with you.

EU Safety Compliant
Quality Management
Food Contact Safe
Premium Components

1. Recipe Analysis

We evaluate your formula’s viscosity (sticky syrup vs. dry dough) to recommend the correct forming technology: Slab or Extruder.

2. Lab Testing

Send us your raw ingredients. We run a pilot production in our test kitchen to validate weight accuracy and shape retention before you buy.

3. Custom Build

Our engineers design a layout (L-shape/U-shape) that fits your factory. Machine voltage and plug standards are customized for your region.

4. Install & Train

Technicians travel to your site for installation and staff training. We ensure your team can operate the HMI and change recipes confidently.

Global Delivery Capability

Loyal Machinery has successfully exported bar production lines to over 40 countries. We understand the specific hygiene standards for food processing in Europe, USA, and Southeast Asia.

40+ Countries
200+ Lines Installed
Loyal Machinery Global Export Map

Frequently Asked Questions

Answers to common questions about processing textures, ingredients, and machine capacity.

Can I make both Granola Bars and Protein Bars on the same machine?

Generally, no.

Granola Bars are loose particles (oats/nuts) held together by syrup. They require a Slab Line that gently rolls the mixture into a sheet.
Protein Bars are a stiff, homogeneous dough. They require an Extruder Line to push the dough through a nozzle under high pressure.
Trying to extrude granola will crush the nuts; trying to roll protein dough is inefficient. We recommend dedicated lines for the best quality, but please consult us for specific hybrid possibilities.

My recipe uses a lot of honey. Will it stick to the belt?

We address stickiness in two ways:
1. Material: All contact parts (rollers, hoppers) are coated with food-grade Teflon.
2. Cooling: Our lines feature an Active Cooling Tunnel. By rapidly lowering the temperature of the syrup, the bar hardens before it reaches the cutting section, preventing sticking and deformation.

What is the minimum production capacity for a startup?

For startups, we offer entry-level models:
Slab Line (Small): Starts at approx. 100-150 kg/h.
Extruder (Small): A 4-nozzle system starts at approx. 200 bars/min.
These lines are modular, allowing you to add automated packaging or chocolate enrobing as your business grows.

Can I add a chocolate coating machine later?

Yes. Our lines are modular. You can install a Chocolate Enrober (for full or bottom coating) and an extended Cooling Tunnel between the forming section and the packaging machine at any time.

How long should the cooling tunnel be?

This depends on your recipe’s sugar content and bar thickness. High-sugar granola bars set quickly, while thick, high-fat protein bars need more time to cool to the core. A standard tunnel is often 10-15 meters, but we will calculate the exact length based on your target output.

Unsure about your dough type?

Send us your recipe or product photo for a free engineering assessment.

Consult an Engineer →
Turnkey Snack Solutions

Ready to Scale Your Bar Business?

From sticky granola mixtures to dense protein doughs. Get a production line custom-engineered for your recipe’s texture and viscosity.