Results 11 to 20 of about 143,386 (239)
Design method and parameter optimization of small angle rake face of hourglass worm gear hob
Journal of Advanced Mechanical Design, Systems, and ManufacturingIn order to improve the cutting performance of the hourglass worm gear hob and improve the cutting conditions of the teeth on both sides, it is necessary to constrain the absolute value of the rake angle of each tooth to be small and control the balance ...
Kang ZHAO +4 more
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Effects of tooth surface modification on planar double-enveloping hourglass worm gear drives
Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2018 The modification of the planar double-enveloping hourglass worm gear drive can eliminate the phenomenon of the contact line cross and improve the transmission performance.
Fayang HE, Zhaoyao SHI, Bo YU
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Geometry Formation and Software Realization of Straight Profile Hourglass Worm
Jixie chuandong, 2022 Considering the status quo of processing，to avoid conventional spatial meshing theory，and relying on actual production projects，the forming principle of straight profile hourglass worm is analyzed in terms of geometry.
Shoubang Zheng +4 more
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Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2018 Cutting teeth of a dual-cone double enveloping hourglass worm wheel hob retain land surfaces with a certain width to increase the service life of the hob because this kind of hob cannot be re-sharpened.
Chengjie RUI +3 more
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Influence of Base Oil on Planar Double Enveloping Hourglass Worm Drive
Jixie chuandong, 2021 In order to study the influence of different base oils on the lubrication of planar double enveloping hourglass worm drive，running in test is carried out. It is found that，when using polyethylene glycol synthetic oil，the transmission efficiency increases
Fayang He, Zhanshan Li
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MESHING THEORY ANALYSIS OF THE MODIFIED ROLLER ENVELOPING HOURGLASS WORM DRIVE
Jixie qiangdu, 2022 Based on the modification of the single-roller-enveloped toroidal meshing worm drive, a parabolic modified roller-enveloped toroidal meshing worm drive is obtained.
QI Yan +4 more
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Double enveloping worm gear modelling using CAD environment [PDF]
Bulletin of the Polish Academy of Sciences: Technical Sciences, 2021 This study describes the methodology for modelling a worm and worm wheel of a double enveloping worm gear with the use of a CAD system. An algorithm for generating a globoid helix is described. In addition, the methodology for modelling an hourglass worm
Piotr Połowniak +2 more
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An overview of the postcranial osteology of caecilians (Gymnophiona, Lissamphibia). [PDF]
Anat Rec (Hoboken)Abstract Caecilians comprise a relatively small (~220 species) group (Gymnophiona) of snake‐like or worm‐like, mostly tropical amphibians. Most adult caecilians are fossorial, although some species may live in aquatic or semi‐aquatic environments, either as larvae or adults.
Santos RO, Wilkinson M, Zaher H.
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Meshing Performance Analysis of the Cosine Roller Enveloping Hourglass Worm Drive
Jixie chuandongOn the basis of the structure of the tapered roller enveloping hourglass worm drive, the cosine roller is obtained by changing the bus shape of the tapered roller.
Xing Xincheng +3 more
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Developing and Testing for Cone Enaveloping Twice Hourglass Worm drive Device
Jixie chuandong, 1997 From structure designing and adopting the GDZ driving axle and CBN grinding wheel,the first cone enveloping twice worm drive device is developed.The device has been tested and has the performance of high efficiency and high load capacity.A new field is ...
邓明, 张光辉, 王进戈
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