Results 11 to 20 of about 42,783 (266)

Modelling of cutting force in hard whirling of ball screws based on uncut chip geometry

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2023
Hard whirling is a highly efficient and green process for precision ball screw machining. Due to the intermittent cutting characteristics and the helical motion of the tool, the cutting forces are periodic and time-varying, making it extremely ...
Shuquan SONG   +5 more
doaj   +1 more source

Mechanistic modeling of cutting forces in end milling with the direct cutting edge [PDF]

open access: yesمجله مدل سازی در مهندسی, 2020
Prediction of cutting forces by analytical modeling methods in the machining process has a considerable importance. In this study, mechanistic modeling was used to predict cutting forces in milling process by two-cutting edge end mill tool with a ...
Gholam Reza Juzdani   +1 more
doaj   +1 more source

Wear-dependent specific coefficients in a mechanistic model for turning of nickel-based superalloy with ceramic tools

open access: yesOpen Engineering, 2017
Difficult to cut materials such as nickel and titanium alloys are used in the aeronautical industry, the former alloys due to its heat-resistant behavior and the latter for the low weight - high strength ratio.
López de Lacalle Luis Norberto   +4 more
doaj   +1 more source

Characterization of the Friction Coefficient of Aluminum Alloy 6061 in Ultra-Precision Machining

open access: yesMetals, 2020
Aluminum alloy 6061(Al6061), an Al-Mg-Si alloy, is a precipitation-hardened alloy. The generation of precipitate affects its mechanical properties, and induces a worse surface finish during diamond cutting.
Hailong Wang   +3 more
doaj   +1 more source

Effects of cutting conditions on forces and force coefficients in plunge milling operations

open access: yesAdvances in Mechanical Engineering, 2015
The modeling of milling forces is a crucial issue to understand milling processes. In the literature, many force models and experiments to identify force coefficients are found.
Francesco Rafanelli   +2 more
doaj   +1 more source

Empirical Modelling for Prediction of Work piece Surface Roughness and Cutting Tool Temperature in Turning Carbon Steel [PDF]

open access: yesEngineering and Technology Journal, 2013
To increase cutting tool life and improve workpiece surface quality, an empirical model was proposed to predict workpiece surface roughness and cutting tool temperature by discovering an empirical equations that depends upon the experimental results of ...
HaiderM. Mohammad, Murtadha A. Jabbar
doaj   +1 more source

A Numerical-Experimental Study on Orthogonal Cutting of AISI 1045 Steel and Ti6Al4V Alloy: SPH and FEM Modeling with Newly Identified Friction Coefficients

open access: yesMetals, 2021
Numerical simulation of metal cutting with rigorous experimental validation is a profitable approach that facilitates process optimization and better productivity. In this work, we apply the Smoothed Particle Hydrodynamics (SPH) and Finite Element Method
Mohamadreza Afrasiabi   +8 more
doaj   +1 more source

A Grey Fuzzy Approach to the Selection of Cutting Process from the Aspect of Technological Parameters

open access: yesApplied Sciences, 2022
This study deals with the selection of the cutting process using the grey fuzzy relation approach. The analysis was performed using plasma arc machining, laser beam machining, and abrasive waterjet machining on three different workpiece thicknesses with ...
Dejan Lukic   +6 more
doaj   +1 more source

Instantaneous rigid force model based on oblique cutting to predict milling force

open access: yesNihon Kikai Gakkai ronbunshu, 2017
In end milling, in order to improve machining efficiency and accuracy, instantaneous rigid force model is widely used to predict cutting force and improve cutting conditions.
Kazuki KANEKO   +3 more
doaj   +1 more source

On the influence of thermal processes on the dynamics of a drill during deep hole machining [PDF]

open access: yesMATEC Web of Conferences, 2019
Deep drilling process has been studied and dynamic features of interaction the cutting part of the gun drill with the detail have been identified.
Kondratenko Leonid, Mironova Lubov
doaj   +1 more source

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