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    Module 3 Activity No. 3-1

    Uploaded by

    Ariel Gamboa
    The document summarizes the solution to a problem calculating appropriate values for the face width and diametral pitch of a 20° full-depth steel spur pinion. Given information includes the pinion has 18 teeth, transmits 2.5 hp at 600 rpm, and has an allowable bending stress of 10 kpsi. The calculations determine the diametral pitch is 10.27 inches and the face width is 1.2236 inches.

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    Module 3 Activity No. 3-1

    Uploaded by

    Ariel Gamboa
    36 views2 pages
    The document summarizes the solution to a problem calculating appropriate values for the face width and diametral pitch of a 20° full-depth steel spur pinion. Given information includes the pinion has 18 teeth, transmits 2.5 hp at 600 rpm, and has an allowable bending stress of 10 kpsi. The calculations determine the diametral pitch is 10.27 inches and the face width is 1.2236 inches.

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    Module 3 Activity No. 3-1.docx

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    The document summarizes the solution to a problem calculating appropriate values for the face width and diametral pitch of a 20° full-depth steel spur pinion. Given information includes the pinion has 18 teeth, transmits 2.5 hp at 600 rpm, and has an allowable bending stress of 10 kpsi. The calculations determine the diametral pitch is 10.27 inches and the face width is 1.2236 inches.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    36 views2 pages

    Module 3 Activity No. 3-1

    Uploaded by

    Ariel Gamboa
    The document summarizes the solution to a problem calculating appropriate values for the face width and diametral pitch of a 20° full-depth steel spur pinion. Given information includes the pinion has 18 teeth, transmits 2.5 hp at 600 rpm, and has an allowable bending stress of 10 kpsi. The calculations determine the diametral pitch is 10.27 inches and the face width is 1.2236 inches.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    of 2

    Module 3: Activity No.

    3
    Spur Gear Tooth Stresses

    Name: Gamboa, Ariel C.


    Student No. 20151157958

    Problem No. (14 – 9)


    A 20◦ full-depth steel spur pinion with 18 teeth is to transmit 2.5 hp at a speed of 600
    rev/min. Determine appropriate values for the face width and diametral pitch based on
    an allowable bending stress of 10 kpsi.
    Given:
    ∅=20° ( Full depth)
    N P=18−teeth

    P=2.5 HP
    n P=600 rpm

    σ =10000 psi

    Solution:
    WtPkv
    σ= =Englis h
    FY
    2827.43
    1200+
    1200+V P
    kv = =
    1200 1200
    V =π d p n p

    N P 18
    P= =
    dp d p

    d p= ( 18P )∈¿

    V =π ( 18P )( 600 RPM )= 2827.43


    P
    WtV
    P=
    33000

    2.5=
    Wt ( 2827.43
    P )
    33000
    Wt=29.18 P
    Y= 0.309

    2827.43

    lb
    10000 3 =
    (29.18 P)(lb)( P) ( 1200+
    1200
    P
    )
    ¿ 4π
    (0.309)
    P
    P=10.27 ∈¿
    4π 4π
    F= =
    P 10.27
    F=1.2236∈¿

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