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Manufacturing Engineering
Machining Processes
GATE 2014
Medium

The main cutting force acting on a tool during the turning (orthogonal cutting) operation of a metal is 400 N. The turning was performed using 2 mm depth of cut and 0.1 mm/rev feed rate. The specific cutting pressure (in N/mm²) is

  • A1000
  • 2000
  • C3000
  • D4000

Explanation

Specific cutting pressure = main cutting force/(depth of cut × feed) = 400/(2×0.1) = 400/0.2 = 2000 N/mm².

Source: GATE ME 2014 (Session 1 / Set-1) (2014)

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