ROKI TECHNO CO.,LTD.

Case example of solution by filter

We want to trap gel substances!
The filter we are currently using doesn’t remove gel substances or aggregations.


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We want to remove specific particles the diameter of which is bigger than the diameter of particles we don’t want to remove.
If there are big particles in the liquid, the painting quality deteriorates, but we have to leave the particles which are necessary for the painting function.


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We want to filter liquid with viscosity as high as 100,000CP.
The filter we are currently using doesn’t let high viscosity liquid flow.


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We want to save labor to change filters.
It is hard to change filters because housing’s cover is heavy. It is also hard to pull out the filter from the housing.


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We want to make filter's service life longer.
The service life of the filter we are currently using is short, making working efficiency poor. And the environmental impact of the used filter is big.


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We want to shorten filter’s lead time.
With the filter we are currently using, there is concern about the supply when the number of filters to be used suddenly jumps up.


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We don’t want to separate components of filters.
When we dispose of filters, we have to separate metal components and plastic components and it consumes time and labor.


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We want to remove bubbles generated in the liquid.
The bubbles generated in the liquid affect the quality of final products.


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We want to minimize the quantity of liquid absorbed by the filter and the quantity of liquid left in the housing.
Since the liquid being filtered is expensive, if the quantity absorbed by the filter or left in the housing is much, it affects the production cost of final products.


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We want to lessen fibers and foreign substances coming out of the filter.
If fibers or foreign substances of the filter are mixed with the liquid, it affects the quality of final products.


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We want to take VOC measures in the filtration process.
We want to minimize the emission of volatile organic compounds into the atmosphere when changing filters.


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We want to save labor for washing housings.
We wash the housing when changing filters, but the liquid sticks to it. The housing is structurally difficult to wash.


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We want to make sure the traceability of filters.
In case filters are found defective, we can’t use them confidently unless there is a system which enables quick cause investigation and corrective measures.


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We want to use filters in order to inspect the liquid of raw materials or to confirm the quality of the liquid of final products.
We are concerned about the stable quality of raw materials or final products.


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We don’t want variation of filters.
Every time we change filters, the service life changes, disabling stable production.


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We want to evaluate filters by a small scale.
We don’t want to evaluate new filters at the mass production line without knowing them very well


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We want to compare new filters with filters now in use on the same criteria basis prior to use of the new filters.
The indication of micron rating varies from manufacturer to manufacturer. We can’t simply try filters indicating same performance, bcause we are in trouble when changing them.


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