Results 31 to 40 of about 8,660,062 (300)

Effect of Shift in Speed Turning on Machined Surface Quality

Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2017
This article describes the evaluation of machined material roughness in speed turning on a machining centre Doosan Puma 700 LY. The machined surface of semi-finished products from steel 14 260 was compared at selected cutting conditions.
Pavel Polák, Petr Dostál, Katarína Kollárová   +2 more
doaj   +1 more source

Optimization and simulation of adaptive mining cutting path in complex undulating coal seam

Meitan kexue jishu, 2023
Adaptive cutting planning of shearer based on the fluctuation of coal seam is one of the key problems to realize intelligent unmanned mining in coal mine.
Shixin GONG, Huaiwei REN, Wei HUANG, Jian LI   +3 more
doaj   +1 more source

Simulation of the deflected cutting tool trajectory in complex surface milling [PDF]

, 2011
Since industry is rapidly developing, either locally or globally, manufacturers witness harder challenges due to the growing competitivity. This urges them to better consider the four factors linked to production and output: quality, quantity, cost and
Baili, Maher, Zoubeir Bouaziz, Ali Zghal, Smaoui, Moez, Maher Baili, Zghal, Ali, Dessein, Gilles, Moez Smaoui, Bouaziz, Zoubeir, Gilles Dessein   +9 more
core   +1 more source

Studying of cutting conditions when hard turning and their impact on integrity of shaped-complex surfaces

MATEC Web of Conferences, 2018
This article deals with impact of cutting conditions when hard turning of shaped-complex surfaces which are concentration origin of cracks especially in the area of notches.
Holubjak Jozef, Pilc Jozef, Czanova Tatiana, Martikan Pavol, Mital Dusan, Mrazik Jozef   +5 more
doaj   +1 more source

A Review of Selected Solutions on the Evaluation of Coal-Rock Cutting Performances of Shearer Picks under Complex Geological Conditions

Applied Sciences, 2022
During automatic and intelligent cutting at the coal mining face, complex geological conditions (fold structure, fault structure and magmatic intrusion) easily cause distinct occurrence conditions of coal rock seams (gangue, inclusion, or fault in the ...
Linlin Wang, Dekun Zhang, Dagang Wang, Cunao Feng   +3 more
doaj   +1 more source

Effect of process parameters and optimization of CO2 laser cutting of ultra high performance polyethylene [PDF]

, 2010
The aim of this work is to relate the cutting edge quality parameters (responses) namely: upper kerf, lower kerf, ratio of the upper kerf to lower kerf and cut edge roughness to the process parameters considered in this research and to find out the ...
Olabi, Abdul-Ghani, Eltawahni, Hayat, Benyounis, Khaled   +2 more
core   +2 more sources

Development of a guideline proposal system for correcting cutting conditions based on the overhang length of ball end-mills

Nihon Kikai Gakkai ronbunshu
In the field of die and mold machining, determining appropriate cutting conditions is crucial. Factors such as tool geometry, machining path, work material characteristics, machining efficiency, and finishing accuracy must be taken into consideration ...
Hiroyuki KODAMA, Yuki MORIYA, Tatsuo MORIMOTO, Kazuhito OHASHI   +3 more
doaj   +1 more source

DETERMINATION OF OPTIMAL CUTTING CONDITIONS FOR HIGH-SPEED CENTERLESS TURNING OF ALLOY STEEL BRAND 42CRMO4 AT OJSC «BSW – MANAGEMENT COMPANY OF HOLDING «BMC»

Литьë и металлургия, 2018
The successful promotion of the product nowadays the manufacturer must meet all the strict requirements of the consumer in the quality of the products. At OJSC «BSW – Management Company of Holding «BMC» the centerless turning unit was put into operation,
O. Filonchik
doaj   +1 more source

Mechanical and physico-chemical study of sulphur additives effect in milling of high strength steel [PDF]

, 2012
The authors would like to express their appreciation to the TOTAL France Company for the technical and financial contribution to this study and to Béatrice Vacher for TEM images.Most machining operations require the presence of a cutting fluid in order ...
GENET, Nicole, LE MOGNE, Thierry, MINFRAY, Clotilde, Guillaume Fromentin, Jean-Michel Martin, FROMENTIN, Guillaume, Clotilde Minfray, Thierry Le Mogne, Nicole Genet, MARTIN, Jean-Michel, Aleksandra Bierla, BIERLA, Aleksandra   +11 more
core   +1 more source

An investigation on micro cutting mechanics: Modelling, simulations and experimental case studies [PDF]

, 2014
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University London.Micro cutting is becoming increasingly important since miniature and micro components/products have become more and more demanded in precision ...
Sawangsri, Worapong
core   +4 more sources