Sand Lab Operator
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Key skills for this role
About the Role
The Sand Laboratory Testing Technician tests and monitors molding and core sand properties for the Alpha Set molding process. The role ensures sand parameters meet specifications to achieve defect-free castings and requires experience in foundry sand testing and quality control.
Key Skills for This Role
Responsibilities
- Carry out routine testing of molding and core sand properties including GFN, moisture, LOI, pH, strength, permeability, gel time, and bench life
- Collect sand samples from mixers, molding lines, core lines, and reclaimed sand systems
- Monitor reclaimed sand quality and recommend fresh sand addition when required
- Assist in root cause analysis of sand related casting defects such as gas defects, blowholes, mold erosion, and low strength
- Maintain accurate sand test records, reports, and logs shift wise and batch wise
Requirements
- Experience in foundry sand testing and quality control
- Knowledge of Alpha Set (alkaline phenolic) molding process
- Familiarity with sand testing equipment such as sieve shaker, universal sand strength testing machine, permeability meter, moisture tester, pH meter
- Ability to interpret sand test results and adjust process parameters
- Attention to detail and quality focus
Full Job Posting
Job Purpose
- The Sand Laboratory Testing Technician is responsible for testing new sand and samples, resin, hardener, coating materials etc. and monitoring, and controlling molding and core sand properties used in the Alpha Set (alkaline phenolic) molding process.
Job Responsibilities
- Carry out routine and day wise testing of molding and core sand as per foundry standards.
- Test and monitor sand properties: Grain Fineness Number (GFN), Moisture content, Loss on Ignition (LOI), pH value, Compression/Tensile/Transverse strength, Permeability, Gel Time for Resin and hardener, Bench Life.
- Collect sand samples from mixers, molding lines, core lines, and reclaimed sand systems.
- Ensure correct resin and hardener dosing as per Alpha Set process requirements.
- Monitor reclaimed sand quality and recommend fresh sand addition when required.
- Identify deviations in sand properties and immediately inform production and quality teams.
- Support molding lines and core lines teams in sand related troubleshooting.
- Assist in root cause analysis of sand related casting defects such as gas defects, blowholes, pinholes, mold erosion, sand wash, low mold or core strength.
- Ensure compliance with process control limits and quality standards.
- Maintain accurate sand test records, reports, and logs shift wise and batch wise.
- Ensure proper documentation for ISO/QMS/customer audits.
- Update sand control charts and highlight trends or abnormalities.
Qualifications & Skills
- Experience in foundry sand testing and quality control.
- Knowledge of Alpha Set (alkaline phenolic) molding process.
- Familiarity with sand testing equipment: sieve shaker, universal sand strength testing machine, permeability meter, moisture tester, pH meter.
- Ability to interpret sand test results and adjust process parameters.
- Attention to detail and quality focus.
Equipment & Housekeeping
- Operate and maintain sand testing equipment such as sieve shaker, universal sand strength testing machine, permeability meter, moisture tester, pH meter.
- Ensure calibration and proper functioning of lab equipment.
- Maintain cleanliness and safety in the sand laboratory.
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