- Walzkraftmessung
- Strip KraftLooper
Precise Strip Tension Control
Maintaining stable strip tension is essential for product quality, process stability, and operational efficiency in hot rolling mills. Direct measurement of the forces acting on the looper roll provides accurate, real-time insight into strip tension, enabling faster and more reliable control than indirect calculations based solely on actuator force and looper-arm position.
By delivering highly accurate process data, direct looper force measurement supports improved strip thickness and width control, reduces the risk of strip breaks, and helps maximize mill productivity. Reliable force signals also contribute to enhanced process monitoring and equipment protection, enabling operators to identify critical operating conditions before they impact production.
Modern looper force measurement systems are engineered to perform under the demanding conditions of rolling mills. Advanced strain gauge technology and robust mechanical designs ensure stable, long-term performance despite high mechanical loads, vibration, temperature fluctuations, and environmental contamination.
Because every rolling mill has unique process requirements and installation constraints, looper force measurement solutions can be tailored to match specific application and integration needs.
bis zu 2.200
Tonnen
Breitenreduktion von bis zu 350 mm
IMS StripKraft Looper
The IMS StripKraft Looper is a high-precision load cell for measuring the forces acting on looper rolls between finishing stands in hot rolling mills.
Precise Force Measurement for Looper Control
The StripKraft Looper provides precise real-time data for:
- Strip tension control
- Looper position control
- Automatic gauge control (AGC)
- Process monitoring
- Production optimization
This enables sustainable improvements in strip flatness, thickness quality and process stability.
Technological Features
- High-precision strip tension measurement
- High repeatability
- Long-term stable measurement values
- Fast response to load changes
- Temperature-compensated measurement technology
- Reliable real-time data for process control
Reliable Operation Under Demanding Conditions
The StripKraft Looper was specifically developed for rolling mill applications and provides reliable measurement results even under:
- Dynamic load changes
- High mechanical loads
- Vibrations and shock loads
- Temperature fluctuations
- Water, oil and scale
High Operational Safety and Easy Integration
- Long service life
- Low maintenance requirements
- Easy integration into new and existing equipment
- Compatibility with modern automation and control systems
- Reliable long-term operation
Typical Applications
- Inter-stand strip tension control in hot finishing mills
- Looper position optimization
- Flat and long products
- Unterstützung von AGC-Systemen
IMS StripKraft Controller (MMV): The Intelligent Evaluation Unit for Precise Strip Tension Data
Precise strip tension measurement requires not only powerful sensor technology but also reliable and flexible signal processing. The IMS StripKraft Controller (MMV, Modular Measuring Amplifier) serves as the central interface between the StripKraft load cells and the higher-level automation and control systems in the rolling mill.
The controller processes the measurement signals completely digitally and enables flexible adaptation to different equipment and process requirements.
Flexible and Modular System Design
The standard StripKraft Controller features two input channels for IMS StripKraft load cells. The modular design allows the system to be expanded by up to two additional channels without affecting processing speed.
Seamless Integration into Automation
Various interfaces are available for connection to existing systems:
- ±20 mA analogue outputs
- ±10 V analogue outputs
- EtherCAT
- Profinet
- Other fieldbus systems
Easy Retrofitting and Modernization
Four digital inputs and outputs enable integration into systems without a fieldbus infrastructure. This makes the MMV ideally suited for modernizing existing strip tension measurement systems.
Fast Commissioning and Convenient Operation
The controller features:
- Four-line LCD display
- 20 characters per line
- Four function keys
- Stainless steel enclosure (350 × 300 × 80 mm)
Many systems are delivered preconfigured, which significantly simplifies commissioning on site.
Advanced Diagnostic and Configuration Options
The optional StripKraft Controller (MMV) Configurator software provides extensive functions:
- Configuration
- Data backup
- Parameter management
- Offline analysis
- Documentation
The Ideal Addition to IMS StripKraft Horizontal, Vertical and Looper
In combination with the IMS StripKraft Horizontal (HMK), IMS StripKraft Vertical (VMK) and IMS StripKraft Looper, the IMS StripKraft Controller (MMV) forms a powerful overall system for precise strip tension and force measurement in hot and cold rolling mills.
While the load cells reliably measure the strip tension and looper forces acting on the system, the controller performs high-precision signal processing and provides the measurement values for strip tension control, looper control and other automation and process optimization functions.
The result:
- Precise strip tension control
- Improved strip tracking stability
- Prevention of material cracks
- Optimized looper control
- Higher product quality
- Reduced scrap
- Higher equipment availability
- Increased productivity
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Uwe Fliegenschmidt
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