How to use a machine to make protein bars?


Chocolate protein bars are a delicious and healthy snack rich in protein and fiber, making them an ideal energy supplement. If you have a protein bar forming machine, making chocolate protein bars will become very simple.

Below, I will introduce how to use a machine to make protein bars. Required materials: 1500 grams of protein powder, 300 grams of cocoa powder, 600 grams of protein powder, 300 grams of peanut butter, 300 grams of honey or other sweeteners.

Step: Put the protein powder, cocoa powder, and protein powder into the mixer machine. Turn on the machine and stir these powders evenly. This is to ensure that all dry powder is completely mixed. Add peanut butter and honey. Continue to turn on the machine and mix all the materials thoroughly. This will cause the materials to stick together and provide additional fragrance and sweetness to the  protein bar.

Pour the mixed batter into a protein bar forming machine. Then, when the protein rod is squeezed out, a long strip of protein rod will be extruded, and the cutter will automatically cut the protein rod, so that the protein rod with the same weight and size is completed.

Through the above simple steps, you can use a machine to make delicious protein bars. Not only can it satisfy your sweet tooth craving, but it can also provide you with additional nutrients. Give it a try!

1. Ingredient Mixing – High-Capacity Mixer

· Machine: Ribbon blender, planetary mixer, or Z-arm mixer (depending on viscosity).

· Use: Combine large quantities of protein powder, oats, binders (like syrup or date paste), nuts, flavors, etc.

· Control: Temperature (optional for warm mixing), mixing speed, and time.

· Output: Homogeneous protein bar dough.

Factory-Scale Protein Bar Production Process

2. Feeding System – Hopper Feeder

Transfers the mixed dough to the next machine.

Ensures consistent flow and reduces manual labor.

3. Bar Forming Machine – Continuous Extrusion & Cutting

Machine: Protein Bar Forming Machine or Slab Bar Production Line.

Key Functions:

Sheets the mixture into a uniform slab.

Calibrates thickness using rollers.

Cuts slab into consistent bar shapes (length and width).

Uses rotary or guillotine cutter for high-speed slicing.

Speed: Typically up to 200–300 bars per minute depending on bar size and configuration.

4. Cooling Conveyor or Tunnel

Cools bars using ambient air or refrigerated tunnel.

Solidifies structure and prevents sticking in packaging.

Typically 5–10 meters long with adjustable speed.

5. Optional: Coating or Topping

Apply chocolate, nuts, seeds, or drizzle using a coating machine.

Cooled again in a second cooling tunnel.

6. Packaging – Flow Wrap or Thermoforming Machine

Machine: Horizontal Flow Wrapping Machine.

Wraps each bar individually in printed film.

Heat seals and date codes each pack.

Can be linked to a cartoning or box-packing unit.

7. Metal Detector / Checkweigher

Ensures product safety and weight compliance.

Critical for quality control and export compliance.

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