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An orthogonal turning operation is carried out under the following conditions: rake angle = 5°, spindle rotational speed = 400 rpm, axial feed = 0.4 m/min and chip flow velocity =10 m/min. The chip thickness is found to be 3 mm. If mean thickness of primary shear zone is 0.025 mm, the shear strain rate (per sec) during the process is x 103. (Rounded to two decimal places only).
    Correct answer is '20.5'. Can you explain this answer?
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    An orthogonal turning operation is carried out under the following co...
    Orthogonal Turning Operation

    Given Data:
    Rake angle (α) = 5°
    Spindle rotational speed (N) = 400 rpm
    Axial feed (f) = 0.4 m/min
    Chip flow velocity (V) = 10 m/min
    Chip thickness (t) = 3 mm
    Mean thickness of primary shear zone (t') = 0.025 mm

    Calculating Shear Strain Rate:

    Shear strain rate (γ̇) is defined as the rate at which the material undergoes plastic deformation due to shear stress during cutting.

    We know that shear strain rate is given by the formula:

    γ̇ = V / t

    where V is the chip flow velocity and t is the chip thickness.

    Substituting the given values:

    γ̇ = 10 m/min / 3 mm

    Converting the units to a common system:

    γ̇ = (10 m/min * 1000 mm/m) / (3 mm * 60 s/min)

    Simplifying the expression:

    γ̇ = 50 / 9 mm/s

    Converting the units to 103:

    γ̇ = 50 / 9 * 103

    Calculating the value:

    γ̇ ≈ 20.5 * 103

    Therefore, the shear strain rate during the orthogonal turning operation is approximately 20.5 x 103 per second.
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    Community Answer
    An orthogonal turning operation is carried out under the following co...
    Given , α = 50 N = 400 rpm
    Shear angle Φ = 18.8-0
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    An orthogonal turning operation is carried out under the following conditions: rake angle = 5°, spindle rotational speed = 400 rpm, axial feed = 0.4 m/min and chip flow velocity =10 m/min. The chip thickness is found to be 3 mm. If mean thickness of primary shear zone is 0.025 mm, the shear strain rate (per sec) during the process is x 103. (Rounded to two decimal places only).Correct answer is '20.5'. Can you explain this answer?
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    An orthogonal turning operation is carried out under the following conditions: rake angle = 5°, spindle rotational speed = 400 rpm, axial feed = 0.4 m/min and chip flow velocity =10 m/min. The chip thickness is found to be 3 mm. If mean thickness of primary shear zone is 0.025 mm, the shear strain rate (per sec) during the process is x 103. (Rounded to two decimal places only).Correct answer is '20.5'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about An orthogonal turning operation is carried out under the following conditions: rake angle = 5°, spindle rotational speed = 400 rpm, axial feed = 0.4 m/min and chip flow velocity =10 m/min. The chip thickness is found to be 3 mm. If mean thickness of primary shear zone is 0.025 mm, the shear strain rate (per sec) during the process is x 103. (Rounded to two decimal places only).Correct answer is '20.5'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for An orthogonal turning operation is carried out under the following conditions: rake angle = 5°, spindle rotational speed = 400 rpm, axial feed = 0.4 m/min and chip flow velocity =10 m/min. The chip thickness is found to be 3 mm. If mean thickness of primary shear zone is 0.025 mm, the shear strain rate (per sec) during the process is x 103. (Rounded to two decimal places only).Correct answer is '20.5'. Can you explain this answer?.
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