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Basic principles of broaching

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Presentation on theme: "Basic principles of broaching"— Presentation transcript:

1 Basic principles of broaching

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9 In broaching metals and alloys, HSS broaches are used at cutting velocity of
10 to 20 m/min and carbide broaches at 20 to 40 m/min. The value of tooth rise varies within 0.05 mm to 0.2 mm for roughing and 0.01 to 0.04 mm for finishing teeth.

10 Different types of broaches

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15 Grinding

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17 Grinding wheel and workpiece interaction

18 Interaction of the grit with the workpiece

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20 Effect of grinding velocity and rake angle of grit on grinding force

21 Variation of critical grit depth of cut with grinding velocity

22 Chip accomodation problem in grinding

23 Grit depth of cut and wheel-workpiece contact length

24 Determination of grit spacing and grit protrusion

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26 Specific energy consumption

27 Specification of grinding wheel

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29 Selection of grinding wheels
Types of abrasives Aluminium oxide Silicon carbide Diamond cBN

30 Truing and dressing of grinding wheel

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32 Surface grinding machine

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