The woodworking rip sawing is a machine used for wood preparation. To increase the production rate of wood stock preparation, the sawing speed is of particular importance. The challenge not only comes from a lack of a deeper understanding of how molten alloys fill the mold cavity and form defects but also from improper preliminary part design. This study adjusts the chain design by casting analysis. After the designer added support ribs on the bottom surface and filled in gaps on the edges, the chain piece demonstrated a proportional shrinkage and reduced the strain. Saw blade structural improvement resulted a greater solidification stress, irregular geometric changes after de-moulding. The CAE helps to improve the flatness of the chain and the efficiency of the machine tooling.
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