Results 1 to 10 of about 387 (63)

Effects of tooth surface modification on planar double-enveloping hourglass worm gear drives

open access: yesJournal 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
doaj   +3 more sources

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

open access: yesJournal 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
Yupeng LI   +4 more
doaj   +1 more source

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

open access: yesAdvances 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

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

open access: yesJournal 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   +3 more
doaj   +1 more source

Aluminium recycling activity on construction site: Malaysia case study [PDF]

open access: yes, 2017
Aluminium is largely used in transportation industry to make vehicles, but not all country has their own transportation industry. But nearly all country has their construction industry.
Ahmad Latiffic, Aryani   +2 more
core   +1 more source

Theoretical and experimental investigation of accurately turning the TI worm tooth surface

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2015
The toroidal involute worm (TI worm) drive is composed of an involute gear and an hourglass worm generated by the involute gear surface, and it is of great advantages for power transmission.
Yonghong CHEN   +3 more
doaj   +1 more source

MESHING PERFORMANCE ANALYSIS OF FACE ROLLER ENVELOPING HOURGLASS WORM DIRVE

open access: yesJixie qiangdu, 2022
Based on the research of worm gear pair and double roller enveloping hourglass worm without backlash, a new type of worm drive with end roller enveloping is proposed.
WANG XuDong, LIU ZaiXin, LI LingYu
doaj  

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

open access: yesMachines
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   +4 more
doaj   +1 more source

Ageing, Aura, and Vanitas in Art: Greek Laughter and Death [PDF]

open access: yes, 2023
Beginning with the representation of age in extremis in the nature morte or still life, a depiction of aged artifacts and representations of vanitas, artistic representations particularly in painting associate woman and death.
Babich, Babette
core   +3 more sources

GEOMETRIC DESIGN OF CROWN WORM GEAR WITH STRAIGHT-LINED BLADE PROFILE [PDF]

open access: yes
Applications for worm gear drives are common in industry. The crown worm drive is a new kind of inventive worm drive that has just been proposed. Nevertheless, no prior research has been done on the geometric design of crown worm gears with straight ...
Achmad Arifin   +4 more
core   +2 more sources

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