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    Theoretical and Experimental Investigation of a New Plane Toothed Wheel and Its Enveloping Hourglass Worm

    Source: Journal of Mechanical Design:;1978:;volume( 100 ):;issue: 003::page 460
    Author:
    K. Ishida
    ,
    H. Ueda
    ,
    S. Ohashi
    ,
    Y. Fukui
    DOI: 10.1115/1.3453950
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: This paper relates to the properties of the surface of contact or the line of contact on a new plane toothed wheel which is inclined properly to the axis of the wheel and on its enveloping hourglass worm by using the theory of envelope, numerical computations, manufacturing process of this hourglass worm gears, and their experimental results. From this investigation, it can be ascertained that the surface of contact is nearly tangential to the circumference of the worm surface. The line of contact is almost upright to the direction of sliding surface. When the inclination angle of the plane tooth of the wheel axis is 22 deg, the tooth bearing on a wheel tooth is in its center portion, and good condition. We carried out various tests with a speed-reducing gear solely manufactured by several trials, using such materials as ABB2 (special aluminum bronze) for a worm and S45C (high-frequency-quenched) for a wheel. Results were obtained from the tests. They are as follows: because of no wearing in a wheel, little irregularity is caused on a worm tooth form; wearing in a worm is very little because the interlocking is made with the entire surface; power consumption may be reduced by more than 10 percent as compared with a conventional unit. Furthermore, we are confident that a power transmission capacity may be more than doubled also by this new product.
    keyword(s): Wheels , Aluminum , Bronze , Manufacturing , Worm gears , Bearings , Gears , Computation AND Energy consumption ,
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      Theoretical and Experimental Investigation of a New Plane Toothed Wheel and Its Enveloping Hourglass Worm

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/91374
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    • Journal of Mechanical Design

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    contributor authorK. Ishida
    contributor authorH. Ueda
    contributor authorS. Ohashi
    contributor authorY. Fukui
    date accessioned2017-05-08T23:05:23Z
    date available2017-05-08T23:05:23Z
    date copyrightJuly, 1978
    date issued1978
    identifier issn1050-0472
    identifier otherJMDEDB-27969#460_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/91374
    description abstractThis paper relates to the properties of the surface of contact or the line of contact on a new plane toothed wheel which is inclined properly to the axis of the wheel and on its enveloping hourglass worm by using the theory of envelope, numerical computations, manufacturing process of this hourglass worm gears, and their experimental results. From this investigation, it can be ascertained that the surface of contact is nearly tangential to the circumference of the worm surface. The line of contact is almost upright to the direction of sliding surface. When the inclination angle of the plane tooth of the wheel axis is 22 deg, the tooth bearing on a wheel tooth is in its center portion, and good condition. We carried out various tests with a speed-reducing gear solely manufactured by several trials, using such materials as ABB2 (special aluminum bronze) for a worm and S45C (high-frequency-quenched) for a wheel. Results were obtained from the tests. They are as follows: because of no wearing in a wheel, little irregularity is caused on a worm tooth form; wearing in a worm is very little because the interlocking is made with the entire surface; power consumption may be reduced by more than 10 percent as compared with a conventional unit. Furthermore, we are confident that a power transmission capacity may be more than doubled also by this new product.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleTheoretical and Experimental Investigation of a New Plane Toothed Wheel and Its Enveloping Hourglass Worm
    typeJournal Paper
    journal volume100
    journal issue3
    journal titleJournal of Mechanical Design
    identifier doi10.1115/1.3453950
    journal fristpage460
    journal lastpage469
    identifier eissn1528-9001
    keywordsWheels
    keywordsAluminum
    keywordsBronze
    keywordsManufacturing
    keywordsWorm gears
    keywordsBearings
    keywordsGears
    keywordsComputation AND Energy consumption
    treeJournal of Mechanical Design:;1978:;volume( 100 ):;issue: 003
    contenttypeFulltext
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