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Do I simply want to finish the race, with or without a medal?
Since sand makes up 80-90% of your molding material, if you're going to have a good casting finish, you've got to have good sand," said Vic LaFay, vice president of research and tech development, Hill and Griffith, Cold Spring, Ky.
All the parts required painting, and the majority were specified with a smooth finish.
The resulting finish was typical of the finish seen on ni-hard castings.
However, manual labor must be replaced by mechanization, and the overall system capability must be optimized to assure superior surface finish and dimensional accuracy.