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Chocolate production

Chocolate production

Prozessgrafik-Schokolade

1. Forming

1. Forming

First of all, wide endless strands are formed for a variety of end products using extrusion and/or other types of shape forming (e.g. with rollers). Fat masses, soft and hard-boiled sugar masses, aerated fat and sugar masses and various mixtures with nuts, fruit and grains are processed.

Schokolade-Prozess-1-EN

Technical Requirements of the belts

In addition to general suitability for food, resistance to oil, lecithin and grease, the belts need to have good release properties minimize the use of release agents. Good grip, superior positioning accuracy



and temperature resistance are required too. During rolling processes, the entire belt has to be able to withstand the pressure and kneading action from the rollers.

Schokolade-1

Our Solution

Forbo Movement Systems offers various EU and FDA compliant HACCP belts with top standards of hygiene for the shape forming sections. They are resistant to oil, lecithin, grease and temperature and easy to clean.

Features, Functions, Benefits

Special tension members mean the belts retain their dimensions and don’t elongate during the rolling process. Diverse coating materials and patterns offer release properties and grip geared to the process



concerned. Belt edge sealing (Smartseal) can be applied to many types when particularly hygiene-critical products are used.

  • 269 EN

    Siegling Belting Food
    Ref.-No. 269 | Issue 11/16 | PDF | EN | 3.8 MB

  • 224 Product Range EN

    Siegling Transilon Product range
    Ref.-No. 224 | Issue 02/17 | PDF | EN | 1.4 MB

  • 247 EN

    Siegling Transilon Smartseal
    Ref.-No. 247 | Issue 03/17 | PDF | EN | 171 KB

2. Cooling Tunnel

2. Cooling Tunnel

Initial temperatures in the cooling tunnel depend on what temperature the relevant mass is being processed at and can be up to 160 °C. The mass cools down to the ideal processing temperature on the moving belt. Different types of cooling are used based on the process (convection and plate cooling) or a combination of the two.

Schokolade-Prozess-2-EN

Technical Requirements of the belts

Despite relatively high differences in temperature, the belts must retain their dimensions and stay absolutely flat (no dishing on the belt edges). The belt must not impair the cooling process. In addition



to being suitable for food, good grip and release properties as well as small return radii are a must.

Schokolade-2

Our Solution

Forbo Movement Systems offers a range of different HACCP belts for the cooling tunnel that combine the benefits of superior hygiene (EU/FDA), flatness and temperature and dimensional stability with one another. They are easy to clean and offer excellent release properties. Because they are suitable for knife edges, products are transferred over a tiny gap between transfer points.

Features, Functions, Benefits

Belts don’t elongate because tension members with high k1% values are used. The fabric design prevents ripples from forming on the belt edges and a high k-value encourages heat to be discharged from the mass. The undersides of the belt are easy to modify thanks to



embossed belt surfaces (customized solutions). Belt edge sealing (Smartseal) can be applied to many types when particularly hygiene-critical products are used.

  • 269 EN

    Siegling Belting Food
    Ref.-No. 269 | Issue 11/16 | PDF | EN | 3.8 MB

  • 224 Product Range EN

    Siegling Transilon Product range
    Ref.-No. 224 | Issue 02/17 | PDF | EN | 1.4 MB

  • 247 EN

    Siegling Transilon Smartseal
    Ref.-No. 247 | Issue 03/17 | PDF | EN | 171 KB

3. Cutting

3. Cutting

Once solidified, the mass is cut into shapes that can be either packaged directly or coated in subsequent steps in the process. During production, the mass is usually cut lengthwise and then crosswise.

Schokolade-Prozess-3-EN
Schokolade-3

Technical Requirements of the belts

In addition to suitability for food, a high level of incision resistance and positioning accuracy are required. The cut edges must look perfect, not just in material of one type but also in mixtures.

Our Solution

Various belts suitable for unpackaged foodstuffs with high levels of incision resistance are ideal for use on rotary cutters and cross cutters. They are easy to clean and offer excellent positioning and



release properties. Because they are suitable for knife edges, products are transferred over a tiny gap between transfer points.

Features, Functions, Benefits

We achieve exceptionally suitable surfaces for this step in the process due to hard, incision-resistant polyurethane coatings. The material’s damping properties are geared to cut through the



confectionery cleanly. Belt edge sealing (Smartseal) can be applied to many types when particularly hygiene-critical products are used.

  • 269 EN

    Siegling Belting Food
    Ref.-No. 269 | Issue 11/16 | PDF | EN | 3.8 MB

  • 224 Product Range EN

    Siegling Transilon Product range
    Ref.-No. 224 | Issue 02/17 | PDF | EN | 1.4 MB

  • 247 EN

    Siegling Transilon Smartseal
    Ref.-No. 247 | Issue 03/17 | PDF | EN | 171 KB

4. Product Transfer

4. Product Transfer

Between each of the processing stations, the material flow often shifts direction and changes in the conveying level occur. This is nothing to do with engineering necessity. There’s often not enough space in production facilities to implement the theoretically easiest of layouts.

Schokolade-Prozess-4-EN

Technical Requirements of the belts

Good grip and release properties, superb positioning accuracy and suitability for foodstuffs in general are the top priorities for transferring products between different stages in the process. Patterned belts can be advisable depending on the angle at which



products are conveyed. Numerous transfer points require tiny return radii (knife edges). Furthermore, curved belts must be suitable for belt guidance systems and their shapes especially accurate.

Schokolade-4

Our Solution

Forbo Movement Systems has a large number of suitable belts in its portfolio tailored to the conveying job concerned. They offer both the properties required for conveying foodstuffs and the technical requirements of knife edges and curves.

Features, Functions, Benefits

As well as offering a high standard of hygiene, our HACCP belts come with various coating materials and patterns in the interests of superior grip and release properties. They are easy to clean and EU and FDA compliant. With enhanced fabric and belt designs, they’re the top choice for knife edges and/or as curved belts. Sealing (Smartseal) can be applied to belt edges if especially hygiene-critical products are conveyed.

Schokolade-4-1
  • 269 EN

    Siegling Belting Food
    Ref.-No. 269 | Issue 11/16 | PDF | EN | 3.8 MB

  • 224 Product Range EN

    Siegling Transilon Product range
    Ref.-No. 224 | Issue 02/17 | PDF | EN | 1.4 MB

5. Coating

5. Coating

Once the mass has been cut lengthwise or crosswise, the shapes can be coated once or several times. The products normally run through a sheet of melted coating and then might be sprinkled with other items and/or coated again.

Schokolade-Prozess-5-EN
Schokolade-5-1

Technical Requirements of the belts

The belts have to have an extremely large open area and be able to withstand places where temperatures are high.

Solution

Metal mesh belts, not supplied by Forbo Movement Systems, are used to coat the cut products.

Schokolade-5

6. Packaging

6. Packaging

This steps involves several very different sub-processes. Specific technologies are used to separate and cover items in foil, package them in boxes and transfer them to pallets.

Schokolade-Prozess-6-EN
Schokolade-6-1

Technical Requirements of the belts

The technical requirements depend on the actual process or type of conveying, in other words parameters specific to the conveyor (i.e.
a high level of elasticity, light permeability and superior tensile strength etc.).

Our Solution

Forbo Movement Systems can supply both fabric-based types (Siegling Transtex, Siegling Transilon, Siegling Extremultus) as well as plastic modular belts (Siegling Prolink), timing belts (Siegling Proposition) and round belts (Siegling Transilon) for each of the sub-processes. This portfolio has products for any type of packaging machinery. As a result, you’ll be able to exploit your quality and productivity potential to the full.

Schokolade-6

Features, Functions, Benefits

Due to their consistent thickness and particularly precise endless splices, our check-weigher belts make endless belts superfluous. As buffer belts, elastic belts with easy-to-clean surfaces optimize the performance of packaging machinery. Air-permeable belts mean



that image-based robot systems (Pick&Place) and temperature-resistant belts that shrink tunnels can be used. FDA and EU compliant folder gluer belts are used in folder gluers.

  • 269 EN

    Siegling Belting Food
    Ref.-No. 269 | Issue 11/16 | PDF | EN | 3.8 MB

  • 224 Product Range EN

    Siegling Transilon Conveyor and Processing belts Product range
    Ref.-No. 224 | Issue 02/17 | PDF | EN | 1.4 MB

  • 214 Transtex EN

    Siegling Transtex Conveyor belts
    Ref.-No. 214 | Issue 06/15 | PDF | EN | 554 KB

  • 800 Product Range EN

    Siegling Prolink Modular belts Product range
    Ref.-No. 800 | Issue 12/17 | PDF | EN | 2.0 MB

  • 245 Proposition EN

    Siegling Proposition Timing belts Product range
    Ref.-No. 245 | Issue 01/17 | PDF | EN | 2.0 MB

  • 229 Round Belts EN

    Siegling Transilon Round belts Product range
    Ref.-No. 229 | Issue 03/15 | PDF | EN | 380 KB

  • 215-fms_transilon_product_range_de_en_fr.pdf

    Siegling Transilon Standard Product range
    Ref.-No. 215 | Issue 07/18 | PDF | EN, DE, FR | 534 KB

  • 216 Extremultus Flat Belts Multi

    Siegling Extremultus Standard Product range
    Ref.-No. 216 | Issue 06/17 | PDF | EN, DE, FR, SP, IT | 425 KB

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