7230 Sand Milling Factors - bs-werkzeugbau.de
7230 Sand Milling Factors; Metal casting processes - IIT Guwahati. 2) Dry facing sand is sprinkled over the board 3) Drag half of the pattern is located on the mould board. Dry facing sand will provide a non-sticky layer. 4) Molding sand is then poured in to cover the pattern with the fingers and then the drag is filled completely 5) Sand is ...