Overview of Siegling – Total Belting Solutions
Forbo Movement Systems, a division of Forbo Holding AG, specializes in high-quality conveyor and processing belts, plastic modular belts, and power transmission belts. The company operates globally, serving diverse industries such as food, logistics, and industrial production.

1. Company and Group
Forbo Movement Systems is headquartered in Baar, Switzerland, and is a leading provider of belting solutions worldwide, employing over 2500 people in more than 80 countries.

2. Products and Markets
The company offers products like Siegling Transilon, Transtex, Extremultus, Prolink, and Proposition belts, crucial in sectors such as food processing and logistics.

3. Siegling Extremultus Flat Belts

• History: Flat belts have evolved into high-tech products for modern industrial applications.
• Design and Materials: Made from multi-layered materials for high efficiency and reliability.
• Electrostatic and Food Properties: Designed for electrostatic discharge areas and food industry requirements.
• Special Strengths: Known for robustness and efficiency in heavy-duty applications.

4. Chemical Resistance
Details on the chemical resistance of various belt materials ensure suitability for different industrial environments.

5. Belt Selection
Guidelines for selecting the appropriate belt based on tension member, coating materials, and application requirements.

6. Handling Flat Belts
Instructions on storage, fitting, tensioning, and maintenance to ensure optimal performance and longevity.

7. Splicing and Fabrication Technology
Details on splice types and fabrication options to customize belts for specific applications.

8. Pulleys
Information on pulley geometries and the use of crowned pulleys to enhance belt performance.

9. Calculation of Power Transmission Belts
Methods for calculating power transmission capabilities, including factors like elongation and vibration.

10. Troubleshooting
Common issues such as installation problems, noise generation, and wear are addressed with solutions.

11. Glossary and Legal Notes
A glossary of terms and legal notes are included for reference.

Specifications and Materials
The document discusses materials and design of Siegling Extremultus flat belts, highlighting tension members like polyamide, polyester, and aramide. These materials maintain tension without re-tensioning, except for chrome leather coatings which require maintenance.

Belt Speed and Performance
Modern flat belts can achieve speeds up to 200 m/s, especially in engine test stations, due to advanced materials and construction techniques.

Tension Member Design
Design of tension members is crucial for technical properties, with different lines offering unique benefits like flexibility and strength.

Electrostatic Properties
Addresses static electricity in belts, emphasizing controlled discharge to prevent disruptions. Some belts are designed for high conductivity.

Food Industry Compliance
Siegling Extremultus flat belts comply with FDA and HACCP standards, suitable for handling unpacked food safely.

Nomenclature and Data Sheet
Explains nomenclature for identifying belt structure and properties, with a sample data sheet provided.

Technical Specifications
Detailed specifications for Siegling Extremultus flat belts include total thickness, weight, elongation at break, permissible operating temperature, and friction coefficient.

General Properties of Force-Fit Belt Drives
Characterized by simplicity, cost-effectiveness, and low maintenance, capable of handling large center distances and multi-pulley drives.

Comparison of Belt Types
Flat belts have the highest efficiency and can operate at high speeds and power limits compared to V-belts and V-ribbed belts.

Special Strengths of Flat Belts
Noted for high efficiency, low operating noise, versatility, and long lifetimes, suitable for a wide range of applications.

Application Groups
Outlines various application groups for Siegling Extremultus belts, each designed for specific industrial applications.

Overview
Provides detailed information on Siegling Extremultus machine tapes, focusing on specifications, chemical resistance, belt selection, and manufacturing data.

Specifications
Known for easy-to-clean, chemically resistant properties, supporting the HACCP concept, suitable for food-related applications.

Chemical Resistance
Outlines chemical resistance of different coating materials, highlighting resistance to oils, greases, and most solvents.

Belt Selection
Involves determining conditions of use, tension member series, and coating materials.

Coating Materials
Discusses various coating materials, each offering different properties like grip and temperature stability.

Tools and Calculators
Extremultus Product Finder and B_Rex Calculator assist in selecting and designing belt systems.

Manufacturing Data
Includes information on manufacturing tolerances, delivery dimensions, and thickness tolerances.

Specifications
Outlines dimensional tolerances for various materials used in flat belts.

Delivery Dimensions
Available in various forms, with guidance on measuring order length.

Handling and Storage
Proper storage conditions are crucial for maintaining quality, with recommendations provided.

Condition of Machinery
Ensures longevity of flat belts, with recommendations for machinery condition.

Fitting and Tensioning
Proper fitting and tensioning are critical to avoid damage and ensure operational strength.

Running-in Behavior
Guidance on managing relaxation under dynamic loads.

Tensioning Method
Recommends a two-stage tensioning method to avoid exceeding permissible maximum shaft load.

Maintenance
Most belts are maintenance-free, with specific checks for chrome leather layer.

Operating Temperatures
Adhere to permissible operating temperatures specified in product data sheets.

Splicing Technology
Endless splicing is crucial for ensuring good tracking and long service life.

Splice Types
Includes wedge, Z, butt, and overlap splices, each suitable for different materials and applications.

Splicing Procedures and Specifications
Outlines procedures for creating splices, emphasizing the importance of following detailed instructions.

Splicing Tools and Parameters
Specifies tools and parameters for splicing, with detailed instructions provided.

Fabrication Options
Additional options include applying profiles, creating perforations, and processing belt edges.

Pulley Specifications
Guidelines for pulley geometries, dimensions, and quality, recommending cylindrical or crowned pulleys.

Specifications and Recommendations
Recommendations for crowning pulleys in belt tracking and calculation of power transmission belts.

Terminology and Calculation Method
Defines key terms and outlines calculation methods for selecting appropriate flat belts.

Operating Factor (c2)
Outlines minimum parameters for different types of drives.

Basic Elongation at Fitting (c4)
Details on basic elongation at fitting for different belt lines.

Elongation Allowance for Centrifugal Force (c5)
Guidelines for elongation allowances based on tension member design and belt speed.

Data Tables and Diagrams
Includes tables and diagrams illustrating relationships between various parameters.

Specifications
Outlines elongation at fitting for different belt lines and recommendations for belt speeds.

Procedures
Vibration calculations are crucial to avoid resonance, with guidelines provided.

Norms and Recommendations
Consultation with Forbo Movement Systems is recommended for specific conditions.

Calculation Example
Provides a detailed example for calculating power transmission belt for a gang saw.

Live Roller Belts Calculation
Recommends using B_Rex software for designing live roller drive belts.

Key Parameters and Formulas
Outlines effective pull calculation and transmission capacity.

Calculation Method
Outlines method for calculating arc of contact and engagement depth.

Troubleshooting
Provides a detailed troubleshooting guide for various issues related to flat belts.

Recommendations
Emphasizes the importance of correct measurements, proper alignment, and regular maintenance.

Specifications and Procedures
Outlines procedures for edges not sawn, ply separation, bonding strength, and flat belt grooves.

Wear and Material Degradation
Discusses cross crackings, degradation, brittleness, and discoloration.

Glossary
Provides definitions of key terms related to flat belts.

Overview
This document is a technical compendium for Siegling Extremultus flat belts, providing detailed explanations of terms, materials, and processes related to their use and manufacturing.

Key Sections

• Specifications: Outlines materials used in flat belts and describes different types of splices.
• Procedures: Instructions for determining order length, tensioning, and splicing.
• Operating Conditions: Discusses operating noise, relaxation, and running-in behavior.
• Technical Terms: Definitions of terms like power transmission and shaft load.
• Environmental and Quality Standards: Mentions company's commitment to quality and environmental protection.
• Legal Notes: Advises that guidelines are general and users should conduct their own tests.

Critical Information
Stresses the importance of understanding mechanical properties and behavior of flat belts under different conditions to ensure efficient power transmission and longevity.