Guardman WS Push-up

TETRA INDIA Pvt. Ltd.

Guardman WS

Minimize the risk of producing cast metals with surface defect due to defective green sand molds and ensure the stable output.

Push-up

Hard sand sticking to the molding board pushes up the sand mold on it. Molding flasks mismatch.The weight to press sand molds is too heavy. The cope and drag are not adequately coupled and clamped at the parting line.

1. Couple and clamp the cope and drag without applying local or strong pressure.
2. Core print must be smaller than the counterpart in the sand mold.
3. Keep the molding board clean.

Push-up

Casting Surface Defect

**Sand Inclusion
**Scab
**Push-up
**Crumbling
**Burn-on/Penetration
**Rough surface

Technological material

**Percent Defective
**Mold Surface Stability
**Moisturizing Effect
**Change in temperature

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