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Automated weighing technology : process solutions /
Weighing technology by its very nature suggests something solid and substantial, which is exactly what you get from Siemens - and a whole lot more. From the rugged requirements of a mine to the delicate measurements of pharmaceutical suppliers, Siemens weighing technology provides accurate weight me...
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Otros Autores: | , |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
[New York, N.Y.] (222 East 46th Street, New York, NY 10017) :
Momentum Press,
2013.
|
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- 1. Introduction to weighing
- Topics
- Types of weighing
- Static weighing
- Dynamic weighing
- Weighing history
- Static industrial weighing
- Conveyor belt scales
- Terminology
- Industrial weighing and Siemens
- Siemens Milltronics
- The Merrick years
- SIWAREX
- Summary.
- 2. Bulk material handling
- Topics
- Belt feeders
- Belt conveyors
- Screw feeders and conveyors
- Apron feeders
- Pan feeder
- Rotary airlock feeders
- Aerated gravity conveyors
- Gates, valves, and shutoffs
- Rotating table feeders
- Drag chain conveyors
- Bucket elevators
- Vibratory feeders
- Summary.
- 3. Dynamic weighing devices
- Topics
- Belt scales
- Weighfeeders
- Weighbelt conveyors
- Solids flowmeters
- Impact
- Centripetal or momentum force Coriolis force
- Loss-in-weight feeders
- Rotor weighfeeder
- Summary.
- 4. Belt scale designs
- Topics
- Weighbridge design
- Belt scale weighbridge design
- Weighbridge design considerations
- Current weighbridge designs
- Basic pivot
- Leaf spring as flexure bearing
- Direct application to dual load cells
- Common full construction single-idler weighbridge designs
- Common full construction single-idler belt scale designs
- Single-idler: full construction versus modular
- Installing a modular scale
- Common multi-idler weighbridge designs
- Full construction multi-idler designs versus multiple single-idler designs
- Multi-idler: full-length versus multiple single-idler in tandem
- The MSI
- advanced weighbridge design
- Approvals
- The design
- Designed for exceptional accuracy
- MSI single-idler belt scale
- Double-idler MSI belt scale
- Triple-idler MSI belt scale
- Summary.
- 5. Load cells
- Topics
- Load cell technology
- LVDT load cells
- Strain gauge load cells
- Bonded strain gauge
- Basic strain gauge circuit with digital output
- Protecting the load cells
- Load cell types
- Load cells at a glance
- Summary.
- 6. Speed sensors
- Topics
- Belt speed detection
- Return belt speed sensor (RBSS)
- Pulley driven belt speed sensors
- Proximity switch sensors
- Photocell toothed-wheel pickup sensor
- Rotary shaft encoder sensors
- High resolution encoder with anti-vibration interface circuit sensor
- SITRANS WS300 logic description
- AC tacho-generator
- Comparison of speed sensors
- Summary.
- 7. Integration
- Topics
- Mechanical integration
- Electronic integrators
- Basic function
- Integrator design
- Basic integrator operation
- Basic integrator programming
- Belt scale calibration
- Span calibration
- Integrator designs
- Stand alone
- PLC based
- Integration programmed into a PLC operating system
- Multiple integrators
- Load cell signal processing
- Digital load cell interface
- Common integrator features
- Recording control system totals
- Comparison of Integration options
- Summary.
- 8. Belt scale installation
- Topics
- Belt scale/conveyor terminology
- Scale area idlers
- Installation
- Belt scale location
- Conveyer types
- Other installation considerations
- Idlers
- Idler alignment in the scale area
- Pulleys
- Conveyor
- General installation guidelines
- Speed sensor installation
- Integrator installation
- Connecting components
- Maintenance and modifications
- Maintenance
- Modifications
- Material buildup
- Material spills
- Summary
- Agriculture
- Summary.
- 9. Applications and summary
- Topics
- Application overview
- Mining and aggregates
- Cement
- Food and beverage
- Secondary markets
- Mining, aggregate, cement.
- Appendix A
- Glossary
- Index.