Classification of structure machine tools: According to purpose structure of machine tools are classified as 1. Bed, frame works. 2. Bases bed plates. 3. Housing, boxes, columns etc. 4. Casing and covers. Figure: Open structure machine tool By following manufacturing method structure of machine tool is defined as 1. Welded 2. Partly welded 3. Cast 4. Partly cast By following the transmission of operational load 1. Open structure 2. Closed structure
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