Results 51 to 60 of about 8,704 (154)

Transient thermal behavior of the worktable spindle system in dry hobbing machine tool based on thermal network method under time-varying loads

Case Studies in Thermal Engineering
To address the issue of thermally induced accuracy degradation in dry hobbing machine tool during processing, this study investigates the transient thermal behavior (temperature rise and thermal deformation) of the worktable spindle system under the ...
Xiao Yang, Zhen Yang, Liangtian Zhang, Langlang Linhu   +3 more
doaj   +1 more source

Measurement of the equivalent friction coefficients of ball bearings based on the variations in kinetic energy

Friction
Friction energy consumption is the primary cause of energy loss in rolling bearings, and friction characteristics are critical indicators of rolling bearing quality.
Panlong Wu, Chunlei He, Zhiyang Ren, Qiang Feng, Guang Chen, Chengzu Ren   +5 more
doaj   +1 more source

A High Performance Sensor for Triaxial Cutting Force Measurement in Turning

Sensors, 2015
This paper presents a high performance triaxial cutting force sensor with excellent accuracy, favorable natural frequency and acceptable cross-interference for high speed turning process.
You Zhao, Yulong Zhao, Songbo Liang, Guanwu Zhou   +3 more
doaj   +1 more source

Kinematic characteristics of mass finishing process with the parallel spindle: Velocity measurement and analysis of the media

Advances in Mechanical Engineering, 2017
References for theory analysis, quality prediction, and automatic control can be provided by testing the displacement variation of the media in mass finishing process with the parallel spindle using CCD laser displacement sensor, calculating the whole ...
Xiuhong Li, Fengfeng Wu, Wenhui Li, Shengqiang Yang, Yunan Chen   +4 more
doaj   +1 more source

Geometric analysis of the influence of perpendicularity of a spindle axis of the milling machine on the surface quality

Advances in Mechanical Engineering, 2017
This paper deals with analyzes of the influence of the perpendicularity of the spindle of the milling machine on the machined surface. This is part of the geometric errors of machine tools and in a direct manner constitutes a defect on the quality of the
Benattia Bloul, Abdelghafour Bourdim, Said Hamou, Mokhtar Bourdim   +3 more
doaj   +1 more source

Enhancing engagement behavior in small-diameter deep drilling through ultrasonic vibration-assisted drilling and quantitative evaluation of hole dimensions

Journal of Advanced Mechanical Design, Systems, and Manufacturing
This study investigates the effects of ultrasonic vibration-assisted drilling with a 0.3 mm diameter drill on engagement behavior and hole dimensions.
Naofumi TSUJI, Akira SAKURADA, Kota TAKASHIMA, Keisuke HARA, Hirofumi KAWAMURA, Kazuto MIYAWAKI, Hiromi ISOBE   +6 more
doaj   +1 more source

Influence of micro-milling machining parameters on residual stresses in alumina bioceramics-a three-dimensional finite element simulation study.

PLoS ONE
The formation and distribution of residual stress during the micro-milling process significantly affect the crack resistance and service life of alumina bioceramics.
Zhen Wang, Yanan Sun
doaj   +1 more source

Performance Analysis of Laser Treated and Cryogenic Treated Solid Carbide Microdrill for Machining CFRP

Revista de Metalurgia
The use of carbon-fiber-reinforced polymers (CFRPs) is common in high-performance engineering because it has a high strength-to-weight ratio and mechanical characteristics.
Selvarasu Sakthi, Anbazhagan Arunkumar, Sundaram Sabanayagam, Mathiazhagan Vivekananthan   +3 more
doaj   +1 more source

Dynamic Modeling and Simulation of a Super-High-Speed Circumferential-Flux Hysteresis Motor

Journal of Engineering, 2013
There is an interest in super-high-speed motors in industry applications such as gyroscope, micro gas turbines, centrifuge, machine tool spindle drives, and information storage disk drives.
A. Halvaei Niasar, M. Zare, H. Moghbelli
doaj   +1 more source

Effects of Input Parameters on the Hole Quality During the Drilling of Al Metal Matrix Composites

Designs
The extensive industrial applications of aluminum (Al) metal matrix composites (MMCs) require optimal drilling conditions in the manufacturing industries.
Alokesh Pramanik, Animesh Kumar Basak
doaj   +1 more source