Lean Sand Casting Research Paper

CHAPTER: - 1

INTRODUCTION

1.1 INTRODUCTION

Lean manufacturing derives it name from the manufacturing systems and processes one of them sand casting. Sand casting production system that are so effective at producing at low cost, and short cycle times. These systems are highly flexible and responsive to customer requirements. But there are many defect produce in the sand casting. this defect part are inclusion, blow hole, shrinkage, scar, scab, drop, penetration, wash, rate tail, hot tear, swell, shift, etc. there all are the defect in the sand casting. In over case the project of the sand inclusion defect in the sand casting.

Sand inclusion defects. Looks like there are slag inside of metal castings. Irregularly formed sand inclusions, close to the casting surface,

For example, transporting materials between workstations is waste because it can strongly be eliminated.

1.4 STRATEGIES OF IMPLEMENTATION OF LEAN SAND CASTING

a) Senior Management Involvement -As for any significant process improvement project, the total promise and support of the most senior management is essential for implementation of lean sand casting. Problems will almost certainly arise during the implementation of lean production systems and those problems will likely only be solved if the senior management is fully committed to the successful implementation of lean.

b) Start with a Partial Implementation of Lean - Some companies may initially implement only some of lean sand casting and gradually shift towards a more complete implementation. In a 2005, a survey of sand casting industries in the U.S. by Industry Week Magazine, among companies which had commenced lean sand casting programs,89.1% reported implementing some aspects of lean.

• Measuring and monitoring machine capacity and output.

• Creating more clearly defined production procedures.

• Streamlining the production