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If possible, the wall thickness of the whole MIM part should be the same. Different thicknesses can lead to distortion, internal stress, voids, cracks and dents. In addition, it will lead to uneven shrinkage, which will affect the size tolerance.

The thickness of parts should be in the range of 1.3-6.3 mm. In order to make it uniform, Figure 1 shows several commonly used methods for changing shape.

In some cases, the uniformity of wall thickness can not be satisfied, so the gradual transition between different thickness should be designed, as shown in Figure 2