Results 31 to 40 of about 7,865 (221)

The impact of vibration mechanism’ installation place on the process of retrieving stuck drill pipe [PDF]

open access: yes, 2016
Purpose. The present paper studies the dependence of the dynamic oscillatory movements in the area of drill string sticking on the parameters of vibrating mechanism and place of its installation in the heavy weight drill pipe.
Levchuk, K, Moisyshyn, V
core   +2 more sources

Thermal-mechanical coupling analysis and optimization of mine hoist brake disc

open access: yesAdvances in Mechanical Engineering, 2022
Based on heat conduction theory and energy conversion, the theoretical model of brake disc temperature field was established. The temperature field and equivalent Von Mises stress field distribution of brake disc during braking were investigated by using the finite element (FE) analysis.
Chuanli Wang   +5 more
openaire   +2 more sources

Fault Diagnosis Method for a Mine Hoist in the Internet of Things Environment

open access: yesSensors, 2018
To reduce the difficulty of acquiring and transmitting data in mining hoist fault diagnosis systems and to mitigate the low efficiency and unreasonable reasoning process problems, a fault diagnosis method for mine hoisting equipment based on the Internet
Juanli Li   +3 more
doaj   +1 more source

Intelligent Active Correction Technology and Application of Tower Displacement in Arch Bridge Cable Lifting Construction

open access: yesApplied Sciences, 2021
In order to control the tower deviation in the cable hoisting process of long-span concrete-filled steel tubular arch bridge during construction monitoring, a practical method of tower deviation correction was studied and established. In the paper, based
Nianchun Deng, Mengsheng Yu, Xinyu Yao
doaj   +1 more source

Method of Restoring Mine Hoisting Machine Brake Unit Lever Transmission Bushing [PDF]

open access: yes, 2018
In the article results of researches of brake devices of lifting machines UD of joint-stock company "ArcelorMittal Temirtau" are resulted. Defects were revealed as a result of the examination.
Bulatbayev, Felix   +3 more
core   +2 more sources

Anthropologist, heal thyself: Toward an anthropology of healing through relational interbeing

open access: yesFeminist Anthropology, EarlyView.
Abstract I call for an anthropology that confronts its own woundedness. Anthropologists often bear witness to suffering but rarely examine how our own grief, trauma, and institutional distress shape the affective tone of our work. Drawing on fieldwork with Runa (Quechua) women affected by forced sterilization in Peru and guided by my collaborator and ...
Lucía Isabel Stavig
wiley   +1 more source

VERIFICATION OF BRAKING MECHANISM OF HOISTING DEVICE BLIND SHAFT NO.11 OF THE MINING PLANT LONEA [PDF]

open access: yesFiabilitate şi Durabilitate, 2018
Every extraction machine is endowed with a braking system while ensure the right movement of the hoisting vessels, or allows to stop the machine in a certain position of the vessels (brake tests) and the automatic brake device, independently of the ...
Răzvan Bogdan ITU, Vilhelm ITU
doaj  

KENDALI VISUAL DUAL ARM ROBOT MENGGUNAKAN PENDEKATAN CENTER OF GRAVITY [PDF]

open access: yes, 2010
The robot arm is very popular in the world of robotics for the future. Robot arm has several different kinds of functions. Where the robot arm in addition to functioning as a human arm, also serves as a tool in the industry, robot manipulators.
Sulistijono, Indra Adji   +1 more
core  

Single Smooth Waveform Command‐Shaping Control of Overhead Crane Systems Utilizing Two‐Stage Acceleration–Deceleration Profile for Short‐Moving Point‐to‐Point Maneuver

open access: yesInternational Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT Modern industrial demand for efficient material handling in confined spaces has driven the need for overhead cranes capable of short‐distance point‐to‐point maneuvers without compromising payload stability. Conventional three‐stage shaper profiles, experiencing acceleration, cruising, and deceleration, become inefficient or infeasible for ...
Mohammed Alfares   +2 more
wiley   +1 more source

Method for calculating a two-drum mine winder

open access: yesВесці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2020
In the Republic of Belarus, on the base of JSC “Soligorsk Institute for Resources Saving Problems with Pilot Production”, the development and launch of import-substituting mass production of large-capacity double-drum mine winders with an increased ...
V. Ya. Prushak, A. P. Dvornik
doaj   +1 more source

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