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  • 1
    Electronic Resource
    Electronic Resource
    Analysis of Nonlinear Characteristics of Double-Crank Ring-Plate-Typed Pin-Cycloid Gear Planetary Drive (2008)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 44-46 (June 2008), p. 711-716 
    Details
    ISSN: 1662-8985
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Double-crank ring-plate-typed pin-cycloid gear planetary drive conquers shortcomings of atraditional pin-cycloid gear planetary drive, whose load-capacity is restricted by rotation-arm bearingdimension. The load-capacity of this kind of new drive is improved greatly and the efficiency ofwhole machine is 94%. In order to know dynamics reliability of this drive , nonlinear characteristicsof double-crank ring-plate-typed pin-cycloid gear planetary drive are analyzed from two sides oftransmission error and dynamic meshing process in this paper. A sensitive analytic mathematicmodel of rod dimension error is set up by kinematics theory. Based on ring-plate-type cycloid drivedynamic meshing characteristics, a rigidity-flexibility combined model of pin-cycloid planetary driveis set up by ANSYS/LS-DYNA module. Meshing process between pin-cycloid gear is simulated byFEM. Instantaneous stress, distortion and dynamic meshing rigidity are computed. Analytical resultsshow that nonlinear meshing rigidity and transmission errors are two main dynamic exciters whichcause prototype to vibrate. So, rod dimension error should be reduced in order to increase meshingaccuracy, and meshing rigidity of new prototype should be increased in order to reduce vibration.Nonlinear characteristics of the drive can offer some theoretical bases for design of new prototype
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/40/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.44-46.711.pdf
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Study of the preparation of silicone rubber particles with core-shell structure by seeded emulsion polymerization (1996)
    New York, NY [u.a.] : Wiley-Blackwell
    Polymer International 39 (1996), S. 31-36 
    Details
    ISSN: 0959-8103
    Keywords: core-shell particles ; seeded emulsion polymerization ; vinyl polymer ; silicone rubber ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Silicone rubber particles with core-shell structure were prepared by polymerization of vinyl monomers in the presence of linear or cross-linked poly(dimethyl siloxane-methyl vinyl siloxane) latexes. The monomers were added in either continuous or swelled-continuous modes. Core-shell particles with poly(butyl methacrylate), or poly(methyl methacrylate), as the shell were obtained by using either addition mode. The core-shell structure was not observed for polysiloxane-polystyrene particles. The influence of monomer addition mode, the compatibilities of the monomers and their homopolymers with silicone rubber, and the reactivity ratios of the vinyl monomers with the vinyl group of linear polysiloxane particles, on the formation of the core-shell structure is discussed.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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    Paper (German National Licenses)
  • 3
    Electronic Resource
    Electronic Resource
    Formation mechanism of silicone rubber particles with core-shell structure by seeded emulsion polymerization (1996)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 61 (1996), S. 383-388 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Silicone rubber particles with core-shell structure were prepared by polymerization of vinyl monomers in the presence of crosslinked and linear poly(dimethyl siloxane-methyl vinyl siloxane) latex. The monomers were added with either continuous or swelled-continuous addition mode. The core-shell morphology of silicone rubber/polystyrene [PST] and silicone rubber/poly(methyl methacrylate-divinyl benzene) [P(MMA-DVB)] composite particles were obtained. The effects of monomer addition mode, the compatibilities of the monomers or their homopolymer with silicone rubber, and the reactivity of polysiloxane with vinyl monomers on the formation of the core-shell structure were discussed. © 1996 John Wiley & Sons, Inc.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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    Paper (German National Licenses)
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