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(2) Requiring recalibration
Tuesday, February 26, 2013, 8:45 AM
[General]
Requiring recalibration
A paint circulation system for a painting line, comprising: a supply channel, a return channel, a plurality of drop lines downstream of the supply channel and upstream of the return channel, the plurality of drop lines including a first drop Gustav Klimt oil paintings line and a second drop line, first control means located in the first drop line for controlling a first paint flow rate, the first control means including one or more lengths of first coiled tubing shaped to adjust the first flow rate according to a first flow controlling pressure differential.
And wherein the first flow controlling pressure differential is the pressure differential across the first drop line between the supply channel and the return channel, second control means located in the second drop line for controlling Pablo Picasso oil paintings
a second paint flow rate, the second control means including at least one second length of coiled tubing that is different than the first length of coiled tubing and shaped to adjust the second flow rate according to a second flow controlling pressure differential.
And wherein the second flow controlling Van Gogh oil paintings pressure differential is the pressure differential across the second drop line between the supply channel and the return channel, wherein changes to viscosity in the paint do not result in changes to the system requiring recalibration between paint drop lines.
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The return channel pressures
Tuesday, February 26, 2013, 8:45 AM
[General]
The return channel pressures
Typically, the return channel pressures at each intersection with a corresponding drop line are difficult to predict and are even more difficult to measure during set up because they tend to vary with minor upstream and downstream changes cottage oil paintings. This means that the system needs to be “balanced” and this is usually attempted at start up with a number of iterative adjustments to provide substantially the same flow travelling through each of the drop lines.
Conventionally, the flow through each drop line is obtained by setting the pressure to be just above the pressure at the intersection of tropical oil paintings the drop line and the return line. The pressure at the drop line to return channel is typically not known.
This is problematic, since small changes in any part of the system can create pressure changes at the intersection of the drop line and the return city oil paintings line which can quickly cause sudden reductions or sudden spikes in flow in one or more of the drop lines, almost at random, which make these conventional systems chronically unstable, difficult to balance initially and difficult to maintain in a balanced condition during operation.
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1 Length of coiled tubing
Tuesday, February 26, 2013, 8:45 AM
[General]
Length of coiled tubing
A paint circulation system for supplying a paint mixture to a paint booth in an automobile manufacturing operation, the paint circulation system comprising a number of paint drop lines, the number of paint drop lines including a first paint drop line and a second drop line, the first paint drop line including a first color change valve for connecting a first paint spray gun assembly thereto, the first each paint spray gun assembly being operative to spray a paint mixture received from the first paint drop line at a first operative flow rate, the first paint drop line being positioned downstream of a first paint supply node and upstream of a first paint return node, the first paint drop line further comprising a means for generating a first differential pressure according to a first operative flow rate popular oil paintings, the means for generating the first differential pressure including at least one length of coiled tubing that is shaped to generate the first differential pressure, the first paint drop line being substantially free of any component or dead spot of sufficient size to cause accumulation of settled solids from a paint mixture to cause pressure changes to a degree requiring that the system be recalibrated or to cause settled solids to be deposited on a painted surface to a degree requiring remedial repair thereof.
Wherein the first paint drop line is free of pressure regulators, pressure reducing valves, pressure gauge assemblies, tees, standpipes, isolation valves, isolation diaphragms, or a combination thereof, the second paint drop line including a second color change valve for connecting a second paint spray gun assembly thereto sunset oil paintings, the second paint spray gun assembly being operative to spray a paint mixture received from the second paint drop line at a second operative flow rate, the second paint drop line being positioned downstream of a second paint supply node and upstream of a second paint return node, the second paint drop line further comprising a means for generating a second differential pressure according to a second operative flow rate.
The means for generating the second differential pressure including at least one second length of coiled tubing that is different than the first abstract flower oil paintings length of coiled tubing and shaped to generate the second differential pressure and is substantially free of any component or dead spot of sufficient size to cause accumulation of settled solids from a paint mixture to cause pressure changes to a degree requiring that the system be recalibrated or to cause settled solids to be deposited on a painted surface to a degree requiring remedial repair thereof, wherein the second paint drop line is free of pressure regulators, pressure reducing valves, pressure gauge assemblies, tees, standpipes, isolation valves, isolation diaphragms, or a combination thereof.
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1 Rotational and axial movement
Tuesday, February 26, 2013, 8:44 AM
[General]
Rotational and axial movement
A method for manufacturing a paint roller support, according to one embodiment, comprises forming a raised surface portion dining room oil paintings on an elongated shaft.
A bearing is placed on the raised surface portion so that the bearing frictionally engages the raised surface portion bedroom oil paintings and is retained against rotational and axial movement relative to the shaft. In some embodiments, the raised surface portion comprises an embossed surface portion, which can be formed, for example, by stamping the shaft.
The foregoing and other features and kitchen oil paintings advantages of the invention will become more apparent from the following detailed description of several embodiments, which proceeds with reference to the accompanying figures.
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Expensive time consuming process
Tuesday, February 26, 2013, 8:44 AM
[General]
Expensive time consuming process
In this case, the regulators in each drop line must be backed off to zero pressure, otherwise some drop lines will randomly have no flow or not enough flow. Given the lack of balance between drop lines in this condition, the shut-off valves on all drop lines except one must be closed. Then, one valve for one drop line antique oil paintings for sale must be opened at a time in order to ensure that each drop line is cleaned. Cleaning can involve generally four or five progressive cleaning steps and a typical circulation system can easily have 30 drop lines, making the cleaning process a large and expensive task.
When the new paint is introduced at a different abstract oil paintings for sale viscosity it can take up to five days to balance these systems with two trained operators. To do this effectively a flow meter must be inserted sequentially in each drop line and the pressure regulator/pressure reducing valve in the drop line must be adjusted until the correct flow is obtained.
Each time the next drop line is adjusted it affects the flow Oil Paintings for sale rate through the previously adjusted drops. Thus, many iterations are required until all drops are within an acceptable range. This is an expensive time consuming process.
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1 The spray painting of automobile bodies
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