Results 11 to 20 of about 10,706,028 (311)

CONVIS: A tool enabling uninterrupted operation during refurbishments of complex buildings [PDF]

open access: yes, 2017
Clash Detection refers to the identification of geometrical overlaps within a Building Information Model (BIM). This paper seeks to extend the notion of overlapping to activities: Given a construction site within a building, we seek to find clashes ...
Coraglia, UGO MARIA, Wurzer, Gabriel
core   +1 more source

Study on chip removal mechanism of PCD ball-end milling (1st report) cutting simulation by orthogonal cutting

open access: yesProduction and Manufacturing Research: An Open Access Journal, 2020
A polycrystalline diamond (PCD) ball-end mill is effective for processing molds made of hard and brittle materials, such as cemented carbide and ceramics and having fine and complex shapes with a high aspect ratio. The PCD ball-end mill has a distinctive
Peerapong Kasuriya   +3 more
doaj   +1 more source

Reliability Prediction for Computer Numerical Control Machine Servo Systems Based on an IPSO-Based RBF Neural Network

open access: yesShock and Vibration, 2022
The increasing use of computer numerical control (CNC) machines requires better prediction of the reliability of their servo control systems. A novel reliability prediction model based on radial basis function (RBF) neural network optimized by improved ...
Zheng Jiang   +4 more
doaj   +1 more source

KReach : a tool for reachability in petri nets [PDF]

open access: yes, 2019
We present KReach, a tool for deciding reachability in general Petri nets. The tool is a full implementation of Kosaraju’s original 1982 decision procedure for reachability in VASS. We believe this to be the first implementation of its kind. We include a
Dixon, Alex, Lazic, Ranko
core   +1 more source

A Study on Influence Angle of Die Surface in Deep Drawing Process

open access: yesRMUTL Engineering Journal, 2016
The research aimed to study the influences of the angle of die surface in deep drawing process. The objective of this work was to design and construct the deep drawing tool.
Chet Utthiyoung   +4 more
doaj   +1 more source

Wiping Z-bending die design for precise part fabrication

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2021
The use of Z-bent parts is increasing in many industrial fields. Moreover, the precision requirements for Z-bent part dimensions are becoming more stringent.
Sutasn THIPPRAKMAS, Arkarapon SONTAMINO
doaj   +1 more source

DEM simulation of soil-tool interaction under extraterrestrial environmental effects [PDF]

open access: yes, 2017
In contrast to terrestrial environment, the harsh lunar environment conditions include lower gravity acceleration, ultra-high vacuum and high (low) temperature in the daytime (night-time).
Arroyo Alvarez de Toledo, Marcos   +3 more
core   +2 more sources

Radial Error Motion Measurement and Its Uncertainty Estimation of Ultra Precision Axes of Rotation with Nanometer Level Precision

open access: yesMicromachines, 2022
The radial error is the key performance indicator of ultra-precision axis. In order to measure and evaluate the radial error of ultra-precision axis with nanometer accuracy, a measurement system with an accuracy of nanometer based on capacitive ...
Xingbao Liu   +5 more
doaj   +1 more source

A study on the extreme value distribution of the minimum tensile strength of bolt [PDF]

open access: yesE3S Web of Conferences, 2021
Taking M12.5 × 1.25 × 65-10.9 bolt as an example, this paper studies the extreme distribution of the minimum value of bolt tensile strength in order to evaluate the reliability and stability of bolt product quality and to verify the production process ...
Bi Geping, Chen Jinzhe, Tai Wenhua
doaj   +1 more source

Research on a new high-quality and high-efficiency SLM forming method based on interlayer strategy [PDF]

open access: yesMATEC Web of Conferences, 2022
To ensure the forming quality of SLM and to improve the forming efficiency of SLM, this paper investigates the forming effect of Ti6Al4V specimens formed by SLM based on an interlayer strategy.
Wang Peng, Chen Dongju, Li Gang
doaj   +1 more source

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