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HOME : ABOUT ARNOLD : SERVED MARKETS : INDUSTRIAL
Market Segment Discussion
The industrial for magnetic materials includes a diverse collection of devices and applications.
Electric Clutches & Brakes
Holding / Clamping Devices
Inductors & Chokes
Motors
Phase Converters
Sensors (Position, Speed)
Switches
Transformers, Saturable Reactors
Voltage Inverters
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 Click picture to see motor types. |
Probably the single most prevalent device employing magnetic materials is a motor. There are many types of motors including AC, DC, brushless DC (ECM), induction, variable reluctance, etc.
Arguably, the second most common device is the transformer. Transformers, which use "soft" magnetic materials, reduce transmission line voltages of several thousand volts to factory voltages of 480 volts. Additional transformers reduce voltages to 220 and 110 VAC. Isolation transformers are used to ensure sensitive equipment sees "pure" AC sine waves.
Factory automation has increased the need for position, speed, liquid & solid level, and other sensors. Many utilize magnets which provide for non-contact sensing and switching. Magnets, in conjunction with Hall effect devices, provide for variable output.
Magnets and magnetic materials and devices have contributed greatly to the increase in worker productivity during the 20th century.
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Quality and Environmental Management Systems
Arnold plays an important role in supply of magnetic materials to the industrial market segment. As evidence of our commitment to this market and to continuous improvement of internal operations, ISO 9001, 9002, and QS 9000 certifications have been achieved and selected facilities have also been certified under ISO 14001 for environmental compliance.
| Applications Engineering |
Whether your company has sophisticated in-house magnetics design capabilities or a more modest facility, our Applications Engineers are ready to support your efforts through the entire product life cycle including:
• Conceptualization
• Initial design
• Prototyping
• Design optimization
• Pre-Production trials
• Validation testing support
• Production issues
• Cost reduction activities
• Next generation designs
Additional capabilities:
• Magnetic field mapping
• Magnetic properties testing
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Design Assistance
Applications engineers at each of our manufacturing locations and at the world class Magnetics Technology Center in Marengo, Illinois (near Chicago), offer comprehensive design assistance.
- Magnetic modeling: 2D, Radially symmetric, 3D, Temperature dependence
- Design relationships to your Hall sensor and application Specifications
Complete analysis includes studying the effects of the operate and release point of the Hall sensors compard to the magnetic output waveform
- Quadrature encoders
- Switches and latches
- Ratiometric / Linear Halls
- Pulse counters
- Complex holding force calculations
- Insert and overmolding designs
- Manufacturability analysis
- Measurement capability to verify design
Magnetic Prototyping, Testing and Training
Extensive magnetic prototyping and testing capabilities are available at the manufacturing locations and at our Magnetics Technology Center in Marengo, Illinois, USA.
Seminars in Magnetics are also available either at the Technology Center or at your company location. These classes are tailored to satisfy your needs, whether for inexperienced, non-technical persons or your most expert designers.
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| Boundary and Finite Element Analysis (BEA, FEA) |
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Complex devices can be modeled using boundary or finite element analysis.
Magnetic circuit analysis can lead to design innovation such as in this device which provides combinations of pole patterns to achieve precision switching of a Hall effect sensor (switch).
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| Application Examples |
Magnetic Clamp Bases are used to secure gauges to machinery or other steel surfaces.
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Liquid Level Switches are used to indicate the level within containers and to turn on off fill devices, alarms, etc. A magnet within the float rises to activate the switch mechanism.
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