1 fig 1 tungsten carbide titanium carbide high speed

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Unformatted text preview: i 2 Basic Requirements of Tool Materials Other factors which influence the performance of cutting tools are: Other 1. 2. 3. 4. 5. 6. Relative hardness of the tool and work material Abrasive particles, such as scales, on the surface of the workpiece Chemical compatibility of the tool and work material Cutting temperature Condition of the machine tool, rigidity, for example Type of machining operation, in particular whether continuous or interrupted cuts occur, which is important for materials with a low resistance to brittle fracture. Major Classes of Tool Materials Major Cutting speeds for different tool materials Tool materials Cutting speed (m/min) HSS 20 - 40 WC 80 – 200 Ceramic 200 – 400 CBN 200 – 500 Diamond 300 - 1000 300 Tool Configuration and Materials Tool Integral to the tool or as attached inserts. Integral Major Classes of Tool Materials 1. Carbon Tool Steel - Softens at 250 C, used for machining soft 1. materials, as in woodworking. Up to 1870, tools in use were all of this type....
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This note was uploaded on 02/04/2014 for the course ME 3162 taught by Professor Nus during the Spring '13 term at National University of Singapore.

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