Results 41 to 50 of about 2,359,536 (201)
Tolerance analysis of involute spur gear from the perspective of design
The existing gears’ tolerance standards are formulated from the point of view of manufacturing and measurement. Tolerance categories are numerous. What is more, they have no correlation with each other.
Chen Hua, Li Xin
doaj +1 more source
Form Accuracy Analysis of Cylindrical Parts Produced by Rapid Prototyping [PDF]
Solid Freeform fabrication processes are being considered for creating fit and assembly nature functional parts. It is extremely important that these parts are within allowable dimensional and geometric tolerance.
Anjikar, Swapnil D. +2 more
core +1 more source
Wide Field of View Under-Panel Optical Lens Design for Fingerprint Recognition of Smartphone
Fingerprint recognition is a widely used biometric authentication method in LED-backlight smartphones. Due to the increasing demand for full-screen smartphones, under-display fingerprint recognition has become a popular trend. In this paper, we propose a
Cheng-Mu Tsai +3 more
doaj +1 more source
Tolerance Modeling and Analysis Considering Form Defects for Spaceborne Array Antenna
Tolerance analysis is becoming increasingly important for tolerance design and optimization. When dealing with electromechanical products such as the array antenna, the form errors of the assembly must be considered.
Guodong Sa +3 more
doaj +1 more source
Optical Design of a Miniaturized 10× Periscope Zoom Lens for Smartphones
The size of the optical zoom system is important in smartphone camera design, especially as it governs the thickness of the smartphone. We present the optical design of a miniaturized 10× periscope zoom lens for smartphones.
Wen-Shing Sun +2 more
doaj +1 more source
Half a century of research on diatoms in athalassic habitats in central Poland [PDF]
The authors would like to dedicate this paper to Prof. Marcin Pliński who started the phycological research in these unique habitats of Central Poland.Part of the geology in the Łódź province was formed during the Upper Permian period when rich ...
Nowicka-Krawczyk, Paulina +2 more
core +1 more source
Robust Design of an Optical Micromachine for an Ophthalmic Application
This article describes an approach to the robust design of an optical micromachine consisting of a freeform optics, an amplification linkage, and an actuator.
Ingo Sieber +2 more
doaj +1 more source
The requirements for the quality, reliability, and cost-effectiveness of engineering products and engineering production itself are constantly improving.
LEALIN, Stanislav
doaj +1 more source
Manufacturing Signature for Tolerance Analysis
Every manufacturing process leaves on the surface a signature, i.e., a systematic pattern that characterizes all the features machined with that process. The present work investigates the effects of considering the manufacturing signature in solving a tolerance stack-up function.
POLINI, Wilma, Moroni G.
openaire +1 more source
An omni-directional optical system can be used as a surveillance camera owing to its wide field angle. In cases in which a system is designed with a central screen obscuring structure to increase the resolution of the off-axis field, however, the ...
Hojong Choi, Joo-Youn Jo, Jae-Myung Ryu
doaj +1 more source

