Results 1 to 10 of about 104 (92)

A comparative investigation of meshing characteristics of anti-backlash single-and double-roller enveloping hourglass worm gears

Journal of Advanced Mechanical Design, Systems and Manufacturing, 2019
The new precision transmission system-Anti-backlash roller enveloping hourglass worm gears are now widely employed in many industrial sectors such as robot joint design, packaging production line, and CNC (computer numerical control) machine tools ...
Shisong Wang
exaly   +3 more sources

Machining method and experiment for segmental spiral flute rake faces of hourglass worm gear hob

Journal of Advanced Mechanical Design, Systems and Manufacturing, 2023
The performance of hourglass worm gear hob is influenced by two features of the rake angle: smaller absolute value and more balanced distribution on the left and right sides of each teeth. To meet the requirements of the rake angle, a method of machining
Bing Teng
exaly   +3 more sources

A novel backlash-adjustable and wear-compensable hourglass worm drive: computerized design, simulation of meshing and stress analysis

Journal of Advanced Mechanical Design, Systems and Manufacturing, 2016
To satisfy the requirements of high accuracy and high-loading capacity, a novel precision-power hourglass worm drive characterizes with backlash-adjustable and wear-compensable is demonstrated.
Yonghong Chen, Wenjun Luo
exaly   +3 more sources

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.
Zhaoyao Shi, Fayang He
exaly   +3 more sources

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.
Chunming Xia
exaly   +3 more sources

Design method and parameter optimization of small angle rake face of hourglass worm gear hob

Journal of Advanced Mechanical Design, Systems and Manufacturing
In 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 ...
Bing Teng
exaly   +3 more sources

Performance Analysis of Gear Honing with Modified TI-Hourglass Worm Honing Wheel

Jixie chuandong, 2015
According to the theories of differential geometry and gear meshing,the basic equations for involute helicoids,meshinglines and meshing boundary lines are deduced.Then using MATLAB program,the contact lines and meshing boundary are drawn.The results show
Cai Weili, Zhang Mandong
doaj   +1 more source

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, Mariusz Sobolak, Adam Marciniec   +2 more
doaj   +1 more source

Mathematical model of the worm wheel tooth flank of a double-enveloping worm gear

Alexandria Engineering Journal, 2021
This paper presents a novel method for determining the worm wheel tooth flank surface. The worm wheel model is developed according to the theory of gearing and the gear generation mechanism. Two cases are considered simultaneously.
Piotr Polowniak, Mariusz Sobolak, Adam Marciniec   +2 more
doaj   +1 more source

Study on the toroidal helix and manufacturing method of enveloping hourglass worm tooth surface

Advances in Mechanical Engineering, 2023
As a complex space enveloped surface, the tooth surface of dual-lead helical gear enveloping hourglass worm is characteristic with difference tooth profile, unequal pitch and variable tooth thickness.
Yan Chen, Xinhua Wang, Huili Ma
doaj   +1 more source