Conveyor Belt Scales - Revision history

Kodiyath at 13:23, 17 June 2013

2013-06-17T13:23:40Z

← Older revision		Revision as of 07:23, 17 June 2013
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	[[Category:Weighing]]{{Knoppen}}		[[Category:Weighing]]{{Knoppen}}
			[[File:Conveyor scales.jpg\|thumb\|right\|Conveyor Belt Scales]]
	[[File:Conveyor scales.jpg\|thumb\|right\|Conveyor Scales]]
	'''Conveyor Belt Scale''' or belt weigher is a piece of industrial control equipment used to gauge the mass or flow rate of material travelling over a troughed conveyor belt of any length which is able to adequately contain the material being weighed. These are also known as [[Belt Scales]], dynamic scales, conveyor scales, and in-motion weighers. Many such [[Check Weighers]] or [[Feed Weighers]] are an active part of the process flow control of the conveyor line.		'''Conveyor Belt Scale''' or belt weigher is a piece of industrial control equipment used to gauge the mass or flow rate of material travelling over a troughed conveyor belt of any length which is able to adequately contain the material being weighed. These are also known as [[Belt Scales]], dynamic scales, conveyor scales, and in-motion weighers. Many such [[Check Weighers]] or [[Feed Weighers]] are an active part of the process flow control of the conveyor line.

Kodiyath at 13:22, 17 June 2013

2013-06-17T13:22:41Z

← Older revision		Revision as of 07:22, 17 June 2013
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	[[File:Conveyor scales.jpg\|thumb\|right\|Conveyor Scales]]		[[File:Conveyor scales.jpg\|thumb\|right\|Conveyor Scales]]
	'''Conveyor Scale''' or belt weigher is a piece of industrial control equipment used to gauge the mass or flow rate of material travelling over a troughed conveyor belt of any length which is able to adequately contain the material being weighed. These are also known as [[Belt Scales]], dynamic scales, conveyor scales, and in-motion weighers. Many such [[Check Weighers]] or [[Feed Weighers]] are an active part of the process flow control of the conveyor line.		'''Conveyor Belt Scale''' or belt weigher is a piece of industrial control equipment used to gauge the mass or flow rate of material travelling over a troughed conveyor belt of any length which is able to adequately contain the material being weighed. These are also known as [[Belt Scales]], dynamic scales, conveyor scales, and in-motion weighers. Many such [[Check Weighers]] or [[Feed Weighers]] are an active part of the process flow control of the conveyor line.

	A conveyor scale replaces a short section of the support mechanism of the belt, which might be one or more sets of idler rollers, or a short section of channel or plate. This weighed support is mounted on load cells, either pivoted, counterbalanced or not, or fully suspended. The mass measured by the load cells is integrated with the belt speed to compute the mass of material moving on the belt, after allowing for the mass of the belt itself.		A conveyor belt scale replaces a short section of the support mechanism of the belt, which might be one or more sets of idler rollers, or a short section of channel or plate. This weighed support is mounted on load cells, either pivoted, counterbalanced or not, or fully suspended. The mass measured by the load cells is integrated with the belt speed to compute the mass of material moving on the belt, after allowing for the mass of the belt itself.

	Conveyor scales generally include the necessary electronics to perform this calculation, often in the form of a small industrialized microprocessor system. A conveyor scale is normally mounted in a well supported straight section of belt, with no vertical or sideways curvature, and as close to level as is practicable. The weighed support must be aligned vertically and horizontally with the adjacent supports to avoid tensile forces in the belt skewing the measurement. Due the belt tension variation, frequent check calibration must be done.		Conveyor belt scales generally include the necessary electronics to perform this calculation, often in the form of a small industrialized microprocessor system. A conveyor belt scale is normally mounted in a well supported straight section of belt, with no vertical or sideways curvature, and as close to level as is practicable. The weighed support must be aligned vertically and horizontally with the adjacent supports to avoid tensile forces in the belt skewing the measurement. Due the belt tension variation, frequent check calibration must be done.
	Outputs from conveyor scales are typically:		Outputs from conveyor belt scales are typically:
	* pulses at predefined increments of mass		* pulses at predefined increments of mass
	* an analogue signal proportional to the flow rate		* an analogue signal proportional to the flow rate

	In addition, some belt weigher controllers will offer features such as driving an output to stop the belt when a predefined mass of material has been measured, or a range of alarms to indicate nil flow, belt slippage and belt stoppage.Uses include mineral and aggregate extraction, continuous mixing processes, control of variable rate feeders, port handling and ship loading processes.		In addition, some belt weigher controllers will offer features such as driving an output to stop the belt when a predefined mass of material has been measured, or a range of alarms to indicate nil flow, belt slippage and belt stoppage.Uses include mineral and aggregate extraction, continuous mixing processes, control of variable rate feeders, port handling and ship loading processes.

Kodiyath at 13:21, 17 June 2013

2013-06-17T13:21:32Z

← Older revision		Revision as of 07:21, 17 June 2013
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	[[Category:Weighing]]{{Knoppen}}		[[Category:Weighing]]{{Knoppen}}
	This ~~page~~ is ~~still empty~~. ~~If you know something about~~ this ~~product~~, ~~ask for~~ a ~~login~~ and ~~share your knowledge~~ with ~~others~~.
			[[File:Conveyor scales.jpg\|thumb\|right\|Conveyor Scales]]
			'''Conveyor Scale''' or belt weigher is a piece of industrial control equipment used to gauge the mass or flow rate of material travelling over a troughed conveyor belt of any length which is able to adequately contain the material being weighed. These are also known as [[Belt Scales]], dynamic scales, conveyor scales, and in-motion weighers. Many such [[Check Weighers]] or [[Feed Weighers]] are an active part of the process flow control of the conveyor line.

			A conveyor scale replaces a short section of the support mechanism of the belt, which might be one or more sets of idler rollers, or a short section of channel or plate. This weighed support is mounted on load cells, either pivoted, counterbalanced or not, or fully suspended. The mass measured by the load cells is integrated with the belt speed to compute the mass of material moving on the belt, after allowing for the mass of the belt itself.

			Conveyor scales generally include the necessary electronics to perform this calculation, often in the form of a small industrialized microprocessor system. A conveyor scale is normally mounted in a well supported straight section of belt, with no vertical or sideways curvature, and as close to level as is practicable. The weighed support must be aligned vertically and horizontally with the adjacent supports to avoid tensile forces in the belt skewing the measurement. Due the belt tension variation, frequent check calibration must be done.
			Outputs from conveyor scales are typically:
			* pulses at predefined increments of mass
			* an analogue signal proportional to the flow rate

			In addition, some belt weigher controllers will offer features such as driving an output to stop the belt when a predefined mass of material has been measured, or a range of alarms to indicate nil flow, belt slippage and belt stoppage.Uses include mineral and aggregate extraction, continuous mixing processes, control of variable rate feeders, port handling and ship loading processes.

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2013-03-29T01:30:32Z

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