Research Article
Optimization and Design of Hammerheads and Fenders on Scrap Metal Shredders Based on Improved Genetic Algorithm
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 |  | Type | Mass (kg) |  | 
 |  | Common fenders | Heavy | 225.1 | 225.0 | 224.4 | 224.4 | 224.2 | 224.0 |  | Middle | 223.8 | 223.8 | 223.3 | 223.3 | 223.2 | 223.2 |  | 223.1 | 223.1 | 222.5 | 222.3 | 222.1 | 221.4 |  | Light | 221.0 | 220.2 | 220.1 |  |  |  |  | Side fenders | Heavy | 260.0 | 255.4 | 255.4 |  |  |  |  | Light | 255.3 | 255.3 | 255.2 |  |  |  |  | 
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