Results 21 to 30 of about 184,624 (121)
Hourglass Worm Gears Designed to Concentrate Surface Normals
To avoid the influence of small displacement of gear axes under load, the authors propose that all contact normals of a tooth surface should be at right angles to the direction of the small displacement induced at each contact point under load. On the basis of this state of surface normals, a few methods of tooth surface generation have been devised ...
Shimachi, Shigeyuki +3 more
openaire +2 more sources
Displacement of the worm axis relative to the wheel axis under load is considered to be the helical movement rotating about the instantaneous axis. In order to avoid the influence of the displacement of gear axes under load upon tooth contact, the authors propose that the surface normals should be intersected perpendicular to the direction of helical ...
SHIMACHI, Shigeyuki +3 more
openaire +2 more sources
Abstract Photographs and images in sustainability reports can affect readers' impressions of a company. This study conducts an exploratory analysis to investigate the impact of visual content on sustainability reporting and identify corporate reporting strategies.
Yuriko Nakao +3 more
wiley +1 more source
Research Progress of Worm Gear Material in Worm Drive
Worm drive has a large transmission ratio,compact structure and stable transmission,thus,it has been widely used in the field of mechanical manufacturing.Bronze is the most common and widespread worm gear material in the worm drive.In order to solve the ...
Zhang Yanjun +5 more
core +1 more source
In this paper, a novel multitooth point contact hourglass worm drive is proposed, which is composed of a planar enveloping hourglass worm and a spur involute gear, and both of them can be hardened and precisely ground. This novel hourglass worm drive is
Yan Chen +3 more
core +1 more source
Meshing Theory Analysis of Parallel Inclined Double Roller Enveloping Hourglass Worm Drive
Based on the modification of single roller enveloping hourglass worm drive, a new type of worm drive, parallel inclined double roller enveloping hourglass worm drive is proposed.
Honghui Liao +3 more
core +1 more source
Finite element modelling and load share analysis for involute worm gears with localised tooth contact [PDF]
A new approach has been developed by the authors to estimate the load share of worm gear drives, and to calculate the instantaneous tooth meshing stiffness and loaded transmission errors. In the approach, the finite element (FE) modelling is based on the
Gentle, CR, Su, D, Yang, F
core
The relief surfaces of the cutting teeth of a dual-cone double enveloping hourglass worm gear hob cannot be ground automatically until now because all of teeth have different profiles and different spiral angles with each other.
Dong Xuezhu +4 more
core +1 more source
The research on the modeling of dual-cone double enveloping hourglass worm gear pair
Up to now there is no specialized,efficient,general-purpose modeling method of dual-cone double enveloping hourglass worm gear pair.In this paper,based on the spatial meshing theory,a parameterized mathematical model of the dual-cone double enveloping ...
LI Shaoxiang, LIN Jing
doaj
Authors reported theory of hourglass worm gearing whose worm is generated by high speed screw generating method, on previous report. CNC high speed hourglass worm generating machine has been developed according to the theory. And worm cutting test and performance test of worm gearing was made.
HORIUCHI, Akiyo, MAKI, Minoru
openaire +2 more sources

