Isostatic Pressing and Cold Isostatic Pressing

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Isostatic Pressing and Cold Isostatic Pressing

Categories: Isopressing mold

Application: Isostatic Pressing and Cold Isostatic Pressing

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Main description:

Isostatic pressing is a powder processing technigue characteristic in the use of fluid pressure in order to compact the part.Metal powders are placed in a flexible container.This sealed container is the mold for the part.Fluid pressure is exerted over the entire outside surface of the container causing the container to press and form the powder into the correct geometry. Most processes exert forces on the powder through an axis. lsostatic pressing is special in its use of all around pressure.

DESCRIPTION

Isostatic Pressing and Cold Isostatic Pressing


Isostatic Pressing

    Isostatic pressing is a powder processing technigue characteristic in the use of fluid pressure in order to compact the part.Metal powders are placed in a flexible container.This sealed container is the mold for the part.Fluid pressure is exerted over the entire outside surface of the container causing the container to press and form the powder into the correct geometry. Most processes exert forces on the powder through an axis. lsostatic pressing is special in its use of all around pressure.

    The all around pressure exerted by the fluid during isostatic pressing manufacture. provides uniform compaction ofthe powder and uniform density within the compacted part.Density variation within the compact is a major concern of conventional processing particularly with certain parts. Isostatic pressing is commonly used over conventional metallurgical technigues to produce parts that are largerhave high thickness to diameter ratios,or for superior material properties.Isostatic pressing tends to have long cycle times and is best utilized for short production runs. This manufacturing process consists of two main categories,cold isostatic pressing and hot isostatic pressing.

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Cold Isostatic Pressing

Cold isostatic pressing,(CIP),is performed at room temperature and uses a mold made from an elastomer material such asurethanerubberor polyvinyl chloride.The fluid in cold isostatic pressing is usually oil or water. Fluid pressure during the operation is typically from 60000 lbs/in(400 MPa)to15000bs/in(100MPa)A disadvantage to this manufacturing process is a low geometric accuracy because of the flexible mold.First the powder is compacted to a very uniform density by cold isostatic pressing.Then the green compact is usually sintered conventionallyto produce the desired part.

cip bags, iso bags, cip mold, iso mold, cold isostatic pressing bags and mold, cold isopressing mold and bags (51).jpg

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