Isostatic Pressing Process

Isostatic Pressing Process

1. Product Size Of Isostatic Pressing

The size of the product formed by isostatic pressing is related to the size of the rubber sleeve. The length can be formed up to 1000mm, and the diameter can be formed up to 500mm.

2.The isostatic pressing method has the following characteristics

It can form simple, large and thin and long products that cannot be produced by ordinary methods, and the forming quality is high.

The molding pressure can be easily increased without increasing the difficulty of operation, and the pressure effect is better than other dry pressing methods. Since the green body is uniformly pressured in all directions, its density is large and uniform, and the firing shrinkage is small, so it is not easy to deform. The mold is easy to make, has a long life and low cost. Less or no binder can be used.

3.The advantages and disadvantages of isostatic pressing

Advantages: high density, good quality, can be formed in large quantities

Disadvantages: high cost, unable to make special shapes

4.The operation process of isostatic pressing equipment is as follows

First, put the prepared blank into an elastic mold made of plastic or rubber, place it in a high-pressure container, and after sealing, inject a high-pressure liquid medium, and transfer the pressure to the elastic mold to add jade to the blank.

The pressure is then released to remove the mold, and the formed blank is removed from the mold.

The liquid medium can be water, oil or glycerol. However, it is appropriate to use a medium with low compressibility, such as brake oil or anhydrous glycerin. The elastic mold material should be rubber or similar plastic with good elasticity and oil resistance. 

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