Results 21 to 30 of about 4,420 (172)

Analysis of Elastohydrodynamic Lubrication Characteristic of the Roller Enveloping Hourglass Worm Drive

Jixie chuandong, 2020
To study the elastohydrodynamic lubrication（EHL） characteristic of the roller enveloping hourglass worm drive， the line contact isothermal mathematical model is established based on the research of meshing theory of the roller enveloping hourglass worm ...
Taoran Zhang, Lingyu Li
doaj   +1 more source

Mathematical Modeling and Generating Method of Hourglass Worm Gear Hob’s Rake Face Based on a Rotating Paraboloid Surface

Machines
The rake angles on both sides of the cutting edges of the hourglass worm gear hob significantly influence its cutting performance, which, in turn, plays a decisive role in the surface quality of the machined worm wheel.
Yupeng Li, Jie Yang, Run Gu, Zhijiang Chen, Chunming Xia   +4 more
doaj   +2 more sources

Machining and Performance Testing of Inclined Double-roller Enveloping Hourglass Worm Drive

Jixie chuandong, 2018
To eliminate the gear backlash,a new inclined double-roller enveloping hourglass worm drive is proposed. The meshing performance is analyzed based on the meshing geometry of inclined double-roller enveloping hourglass worm drive.
Liu Zaixin, Li Jinkuan, Zhu Yan, Liao Honghui   +3 more
doaj   +1 more source

Study on the High Precision Manufacturing of the Hourglass Worm Drive Pair in the Solar Tracking System

Jixie chuandong, 2017
At present,the problems of the poor accuracy and low efficiency etc exist in the solar tracking system,one of the main reasons is that the hourglass worm drive pair is not the right conjugating transmission form.
Chen Yan, Gong Yuxia
doaj   +1 more source

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
doaj   +1 more source

Analysis of Thermal Elastohydronamic Lubrication of Inclined Double-roller Enveloping Hourglass Worm Drive

Jixie chuandong, 2018
To improve the lubrication performance,anti-scuffing capacity and efficiency of enveloping worm,the elastohydrodynamic lubrication（ EHL） line contact model is established based on the research of meshing performance of inclined double-roller enveloping ...
Ou Yue, Li Jinkuan, Zhu Yan, Liu Zaixin, Liao Honghui   +4 more
doaj   +1 more source

Meshing Performance Analysis of the Cosine Roller Enveloping Hourglass Worm Drive

Jixie chuandong
On 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, Wen Yujie, Liu Zaixin, Sun Pengze   +3 more
doaj   +1 more source

Analysis of the Isothermal Elastohydronamic Lubrication of Inclined Double-roller Enveloping Hourglass Worm Drive

Jixie chuandong, 2017
To improve the lubrication performance,antiscuffing capacity and efficiency of worm gear pairs drive,the isothermal elastohydrodynamic lubrication（ EHL） simplified model and isothermal line contact mathematical model are established based on meshing ...
Li Jinkuan, Liu Zaixin, Zhang Cui, Zhu Yan   +3 more
doaj   +1 more source

Analysis of Elastohydrodynamic Lubrication Performance for TI Hourglass Worm Drive with Considering Tribo-dynamics Character

Jixie chuandong, 2018
The simple tribo-dynamics model for TI hourglass worm drive is proposed based on the load sharing theory and dynamic theory,which took the time-varying mesh stiffness,transmission error and friction coefficient of rough peak into account.
Zhu Yan, Liu Zaixin, Liao Honghui, Zhang Cui   +3 more
doaj   +1 more source

Multi-Physically Programmable Tubular Origami Metamaterials: Exploitable Nexus of Geometry, Folding Mechanics and Stimuli-Responsive Physics. [PDF]

Adv Sci (Weinh)
This article presents an insightful review on the exploitable nexus of geometry, folding mechanics and stimuli‐responsive physics for achieving active programmability in tubular origami metamaterials and metastructures, highlighting the broad‐spectrum potential in innovative applications across the length scales, along with critically analysing the ...
Sharma A, Naskar S, Mukhopadhyay T.
europepmc   +2 more sources