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Vibrating Wire Weighing Technology in Process Feeding Applications

Publisher: K-Tron America

Format: PDF
Date: 2007-10-29

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K-Tron America
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Overview:
An overview of the evolution of vibrating wire weighing technology in process feeding applications is provided in this paper, providing a timeline of the development of smart force transducer by K-Tron. It includes an explanation of the vibrating wire theory as well as a diagram, providing a chronology and features of various transducers based on vibrating wire weighing technology developed by K-Tron from 1976. Features and applications of the latest Smart Force Transduer II are also detailed. Operation and requirements of the loss-in-weight feeders, weigh belt feeders, and gravimetric flow meters are explained in detail using illustrations, and the applications of vibrating wire load cell pioneered by K-Tron, in continuous weigh-feeding systems are also listed.

TABLE OF CONTENTS
1.	Vibrating Wire Theory	2-3
2.	Technology Timeline	3-6
2.1	The Digital Mass Transducer MK-I	3-4
2.2	The Digital Mass Transducer MK-II	4
2.3	The Digital Force Transducer	5
2.4	The Smart Force Transducer I	5-6
2.5	The Smart Force Transducer II/III	6
3.	Application to Dry Bulk Material Feeders and Meters	6-8
3.1	Loss-in-Weight Feeders	6-7
3.2	Weigh Belt Feeder	7
3.3	Gravimetric Flow Meter	8
4.	Conclusion	8
5.	Diagrams
5.1	Diagram 1	2
5.2	Diagram 2	4
5.3	Diagram 3 - Loss-in-Weight Feeder	6
5.4	Diagram 4 - Weigh Belt Feeder	7
5.5	Diagram 5 - Smart Flow Meter	8
6.	Images
6.1	1976 Digital Mass Transducer MK-1 with Two Vibrating wires	3
6.2	1980 Digital Mass Transducer MKII	4
6.3	1986 Digital Force Transducer	5
6.4	1988 Smart Force Transducer I	5
6.5	1998-today Smart Force Transducers II/III	6