Results 31 to 40 of about 780,101 (308)

A predictive surface profile model for turning based on spectral analysis [PDF]

open access: yes, 2013
This article presents a predictive approach of surface topography based on the FFT analysis of surface profiles. From a set of experimental machining tests, the parameters investigated are: feed per revolution, insert nose radius, depth of cut and ...
COSTES, Jean-Philippe
core   +5 more sources

Cutting parameters at needle-milling

open access: yesIzvestiya MGTU MAMI, 2009
In article is open the questions wire brash, its specific and advantage in comparison with other ways of performance of operations of preparation of surfaces of preparations for anticorrosive covering of metal, welding by explosion etc. In article are consider еhe questions of the basic parameters of cutting at wire brash and on what they depend, and ...
V P Voronov, M I Sedykh
openaire   +1 more source

Effects of cutting parameters on machinability characteristics of Ni-based superalloys: a review

open access: yesOpen Engineering, 2017
Nickel based superalloys offer high strength, corrosion resistance, thermal stability and superb thermal fatigue properties. However, they have been one of the most difficult materials to machine due to these properties.
Kaya Eren, Akyüz Birol
doaj   +1 more source

Discrete Element Modeling of the Effects of Cutting Parameters and Rock Properties on Rock Fragmentation

open access: yesIEEE Access, 2020
Rock properties (e.g., brittleness, fracture toughness, hardness, compressive strength and tensile strength), cutting parameters (e.g., cutting depth, attack angle, wedge angle, cutting velocity) and confining stress are closely related to rock ...
Jiuqun Zou, Weihao Yang, Jihuan Han
doaj   +1 more source

Modelling of cutting process impact on machine tool thermal behaviour based on experimental data [PDF]

open access: yes, 2017
Achieving high workpiece accuracy is a long-term goal of machine tool designers. There are many causes of workpiece inaccuracy, with thermal errors being the most dominant.
Horejš O., Mareš M.
core   +1 more source

A choice of the optimum cutting ranges for cutting nozzles a-sd for selection of metallurgical material. [PDF]

open access: yes, 2018
On the market there are plenty of machines for cutting of steel via a mixture of oxygen and flammable gases. Various manufacturers provide several types of torches, cutting nozzles and other equipment in their product range.
Holubják, Jozef   +4 more
core   +1 more source

Optimization of surface finish in cylindrical external turning of SAE 1045 steel

open access: yesGEPROS: Gestão da Produção, Operações e Sistemas, 2017
Currently the mechanical metal sector organizations are increasingly looking for quality and cost reduction in the development of their products. This paper elaborates on the verification of surface finish and roughness in machining techanical parts ...
Jonas Müller Hammes   +2 more
doaj   +1 more source

Reliability assessment of cutting tool life based on surrogate approximation methods [PDF]

open access: yes, 2014
A novel reliability estimation approach to the cutting tools based on advanced approximation methods is proposed. Methods such as the stochastic response surface and surrogate modeling are tested, starting from a few sample points obtained through ...
Kolios, Athanasios   +1 more
core   +1 more source

Integration of Hybrid Machine Learning and Multi-Objective Optimization for Enhanced Turning Parameters of EN-GJL-250 Cast Iron

open access: yesCrystals
This study aims to optimize the turning parameters for EN-GJL-250 grey cast iron using hybrid machine learning techniques integrated with multi-objective optimization algorithms.
Yacine Karmi   +7 more
doaj   +1 more source

THE USE OF THE HARD METAL TOOLS ON THE BAR TURNING OF THE NYLON [PDF]

open access: yesTecnologia em Metalurgia, Materiais e Mineração, 2014
In the market for cutting tools there are not specific tools for machining polymers, where the main difficulty is chip control. Cutting tools are only available for machining metals.
Karen Juliana Vanat   +1 more
doaj   +1 more source

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