Body hole deformation

07-29

If the hole becomes smaller, it may be that the core head is seriously worn or retracted into the machine port too much, which should be replaced and adjusted. If the hole is displaced or the core is combined, the core rod may be too thin and skewed, and should be corrected or replaced. If the hole slumps, the mud is too soft, and the molding moisture should be adjusted. If the two adjacent positions change, but connected into a large hole, it is the two core rod or core head card between the sundries, should be removed.

Reasonable density of yard kiln

The inner wall of the blank hole is not smooth

Reasonable density of yard kiln

The inner wall of the blank hole is not smooth

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