Broken mould - Mould - Casting defects


Figure 1: Broken mould.

Defect name: Broken mould
Record No.: 1924
Type of defect (Internal/Surface): Internal, surface
Defect classification: Casting defects
Steel name: Steel
Steel composition in weight %: No data.
Note:  
Nature of defect: Flash-like metal penetration in the mould, sometimes parts of the mould are included in the casting.
Remedies: Add more bentonite to increase green tensile strength. Raise compactability of the moulding sand.
Reference: Not shown in this demonstration version.

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