Results 151 to 160 of about 44,630 (308)
Dynamic measurements of gear tooth friction and load [PDF]
As part of a program to study fundamental mechanisms of gear noise, static and dynamic gear tooth strain measurements were made on the NASA gear-noise rig.
Oswald, Fred B. +2 more
core +1 more source
LOADED TOOTH CONTACT ANALYSIS OF SPIRAL BEVEL GEARS CONSIDERING EDGE CONTACT
Chinese Journal of Mechanical Engineering, 2002 openaire +1 more source
Clinical Oral Implants Research, EarlyView.ABSTRACT Objective This study follows a 2‐year evaluation to verify marginal bone remodeling (MBR) trends associated with different abutment designs. Methods A balanced, randomised, double‐blind clinical trial with two parallel experimental arms. 68 implants were placed in 9 men and 12 women, 48.5% using the straight abutment and 51.5% the concave ...
Flavio Seijas Naya +6 more
wiley +1 more source
Clinical Oral Implants Research, EarlyView.ABSTRACT Objectives This study aimed to prospectively investigate the long‐term clinical performance of a commercially available one‐piece zirconia dental implant system over 10 years. Material and Methods A multicenter, open‐label study was conducted at three clinical centers in Germany.
S. Roehling +5 more
wiley +1 more source
Design of Spur Gears for Improved Efficiency [PDF]
A method to calculate spur gear system loss for a wide range of gear geometries and operating conditions was used to determine design requirements for an efficient gearset.
Anderson, N. E., Loewenthal, S. H.
core +1 more source
Clinical Oral Implants Research, EarlyView.ABSTRACT Objectives This study aimed to assess biochemical differences in peri‐implant crevicular fluid (PICF) using ATR‐FTIR spectroscopy and multivariate analysis, through a between‐participant comparison of healthy and peri‐implantitis (PI) sites, and a within‐participant comparison of PI‐PICF and GCF from contralateral periodontal healthy teeth ...
Francisco Maligno +2 more
wiley +1 more source
Calculation and Analysis of Mesh Stiffness of Spur Gear based on LTCA
Jixie chuandong, 2019 Using Matlab software and three-dimensional finite element method, the flexibility matrix of spur gear tooth surface is obtained, and three calculation methods of matrix are compared and analyzed.
Zhengjiu Feng, Guanghu Jin, Rupeng Zhu
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Thermal elastohydrodynamic lubrication of spur gears [PDF]
An analysis and computer program called TELSGE were developed to predict the variations of dynamic load, surface temperature, and lubricant film thickness along the contacting path during the engagement of a pair of involute spur gears.
Cheng, H. S., Wang, K. L.
core +1 more source
Clinical Oral Implants Research, EarlyView.ABSTRACT Objectives To evaluate the clinical performance of two‐piece zirconia implants with screw‐retained abutments compared to titanium implants after 1 year of loading. Materials and Methods In this multicenter, prospective, randomized clinical trial, 61 two‐piece zirconia and 61 titanium implants were placed and restored with single crowns ...
Marc Balmer +5 more
wiley +1 more source
Method of calculation and test of dynamic tooth root strain for high-contact-ratio spur gears
Jixie chuandongObjectiveAiming at the difference of load sharing and dynamic characteristics between high-contact-ratio spur gears and conventional spur gears, a method for calculating the dynamic tooth root strain was proposed considering the dynamic characteristics ...
YU Pengfei +4 more
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