Results 11 to 20 of about 91,053 (267)

Springback in Metal Cutting with High Cutting Speeds

Procedia CIRP, 2015
ISSN:2212 ...
Schaal, Nikolas, Kuster, Friedrich, Wegener, Konrad   +2 more
openaire   +2 more sources

Tribological Behavior of Multi-layered WC-Co/MoS₂-Ni Self-lubricating Coating Fabricated by Detonation Gun Spraying

Cailiao gongcheng, 2017
The multilayered composite WC-Co/MoS2-Ni self-lubricating coatings were prepared by detonation gun spraying technology. The coating microstructure, element distribution, adhesive strength, and tribological properties were studied systematically.
WANG Tie-gang, LI Bai-song, YAN Bing, FAN Qi-xiang, LIU Yan-mei, GONG Jun, SUN Chao   +6 more
doaj   +1 more source

Design of a New Catheter Operating System for the Surgical Robot

Applied Bionics and Biomechanics, 2021
In interventional surgery, the manual operation of the catheter is not accurate. It is necessary to operate the catheter skillfully and effectively to protect the surgeon from radiation injury.
Xu Ma, Jinpeng Zhou, Xu Zhang, Yang Qi, Xiaochen Huang   +4 more
doaj   +1 more source

Robust and Accurate Vision-Based Pose Estimation Algorithm Based on Four Coplanar Feature Points

Sensors, 2016
Vision-based pose estimation is an important application of machine vision. Currently, analytical and iterative methods are used to solve the object pose. The analytical solutions generally take less computation time.
Zimiao Zhang, Shihai Zhang, Qiu Li
doaj   +1 more source

Boom-type roadheader autonomous speed regulation cutting control system

Gong-kuang zidonghua, 2023
The existing boom-type roadheader cutting control adopts a relatively simple control method and the cutting head completes the roadway section cutting at a constant speed. There's no comprehensive consideration of trajectory planning and autonomous speed
ZHANG Xuhui, SHI Shuo, YANG Hongqiang, YANG Wenjuan, ZHANG Chao, WANG Tian   +5 more
doaj   +1 more source

Ultrasonically Assisted Single Point Diamond Turning of Optical Mold of Tungsten Carbide

Micromachines, 2018
To realize high efficiency, low/no damage and high precision machining of tungsten carbide used for lens mold, a high frequency ultrasonic vibration cutting system was developed at first.
Zhanjie Li, Gang Jin, Fengzhou Fang, Hu Gong, Haili Jia   +4 more
doaj   +1 more source

Vibration Identification of Folded-MEMS Comb Drive Resonators

Micromachines, 2018
Natural frequency and frequency response are two important indicators for the performances of resonant microelectromechanical systems (MEMS) devices.
Jianxin Han, Lei Li, Gang Jin, Jingjing Feng, Baizhou Li, Haili Jia, Wenkui Ma   +6 more
doaj   +1 more source

Investigation and Statistical Analysis for Optimizing Surface Roughness, Cutting Forces, Temperature, and Productivity in Turning Grey Cast Iron

Metals, 2023
This paper investigated the influence of cutting parameters, including feed rate, cutting speed, tool nose radius, and wet or dry cutting conditions, on the resultant force, cutting edge/workpiece temperature, and surface roughness when turning grey cast
Magdy M. El Rayes, Adel T. Abbas, Abdulhamid A. Al-Abduljabbar, Adham E. Ragab, Faycal Benyahia, Ahmed Elkaseer   +5 more
doaj   +1 more source

Measurement of the Euler Angles of Wurtzitic ZnO by Raman Spectroscopy

Journal of Spectroscopy, 2017
A Raman spectroscopy-based step-by-step measuring method of Euler angles φ,θ,and  ψ was presented for the wurtzitic crystal orientation on a microscopic scale.
Wu Liu, Qiu Li, Gang Jin, Wei Qiu
doaj   +1 more source

Qualitative Identification of the Static Pull-In and Fundamental Frequency of One-Electrode MEMS Resonators

Micromachines, 2018
This paper attempts to qualitatively identify the static pull-in position, pull-in voltage, and fundamental frequency of one-electrode microresonators from a physical perspective. During theoretical derivation, a generalized one-degree-of-freedom (1-DOF)
Jianxin Han, Lei Li, Gang Jin, Wenkui Ma, Jingjing Feng, Haili Jia, Dongmei Chang   +6 more
doaj   +1 more source