Machine Parts

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

The requirements of machine tools are given bellow: 1.       Strength static is high. 2.       Dynamic rigidity. 3.       Shape and layout of machine tool should be a.       Facilitate easy chip removal. b.       Machining operation should be easier. c.       Observation of cutting operation should be safe. d.       Assembly should be easy and dismantling. e.       For maintenance accessibility should be easy. 4.        Economic consideration. 5.       Transportation and installation should be easiest. 6.       Aesthetic appeal.