Recent advances in modelling of metal machining processes

CIRP Annals ◽  
2013 ◽  
Vol 62 (2) ◽  
pp. 695-718 ◽  
Author(s):  
P.J. Arrazola ◽  
T. Özel ◽  
D. Umbrello ◽  
M. Davies ◽  
I.S. Jawahir
Keyword(s):  
Machining Processes ◽  
Recent Advances ◽  
Metal Machining

scholarly journals Metal Machining—Recent Advances, Applications, and Challenges

Metals ◽  
2021 ◽  
Vol 11 (4) ◽  
pp. 580
Author(s):  
Francisco J. G. Silva
Keyword(s):  
Surface Finish ◽  
Manufacturing Process ◽  
Dimensional Accuracy ◽  
Machining Process ◽  
High Dimensional ◽  
Manufacturing Processes ◽  
Recent Advances ◽  
Metal Machining ◽  
Rapid Manufacture

Though new manufacturing processes that revolutionize the landscape regarding the rapid manufacture of parts have recently emerged, the machining process remains alive and up-to-date in this context, always presenting itself as a manufacturing process with several variants and allowing for high dimensional accuracy and high levels of surface finish [...]

Possibility of Reducing Environmental Load in Hard Machining

2011 ◽  
Vol 496 ◽  
pp. 205-210 ◽  
Author(s):  
János Kundrák ◽  
Gyula Varga
Keyword(s):  
Economic Efficiency ◽  
Hard Turning ◽  
Machining Process ◽  
Hard Machining ◽  
Environmental Load ◽  
Production Engineering ◽  
Environmental Aspects ◽  
Machining Processes ◽  
Metal Machining ◽  
Technical Possibility

Abstract. The development of metal machining processes and procedures has been characterized by aiming at accuracy and economy for decades. The applied coolants and lubricants helped this process; however, they are polluting the environment. For today that is a social demand and technical possibility that environmental aspects should predominate better in production engineering. In the frame of this article, through the application of dry hard turning we shall spotlight on its economy and efficiency. We shall prove that, keeping the same accuracy and economic efficiency, it is possible to choose a machining process by which the environmental load can be reduced compared to the most frequently applied grinding.

scholarly journals Metalworking Fluid Exposure and Consequences on Skin Health in a Metal Machining Factory: Review Article

2018 ◽  
pp. 27-35
Author(s):  
Mohammed Abdulrazzaq Jabbar
Keyword(s):  
Health Effects ◽  
Occupational Safety ◽  
Skin Diseases ◽  
Epidemiological Survey ◽  
Metalworking Fluids ◽  
Machining Processes ◽  
Adverse Health Effects ◽  
Skin Contact ◽  
Safety And Health ◽  
Metal Machining

Metalworking fluids (MWFs) are a variety of substances can be used during machining of metals such as cutting, turning, grinding, milling and drilling. National Institute of Occupational Safety and Health (NIOSH) in United States of America has stated that MWFs available in different forms such as straight oil (neat oil), soluble oil (emulsifiable oil), semisynthetic MWFs, and synthetic MWFs and during the machining processes worker can be exposed to MWFs through skin contact and inhalation. MWFs in machining factory allow significant bacterial growth in the fluids and aerosols which cause dermatological and respiratory adverse health effects among exposed workers. skin diseases that MWF exposure can cause various morphology of skin disorders such as skin scaling or dryness. Semi-quantitative dermal exposure assessment methods (DREAM) in both occupational and epidemiological survey. The prevention of the health effects of MWF on skin systems would probably by enhancing the awareness of the workers towards the health effects of MWF and the appropriate safety methods need to apply regularly all along their working time.

User-oriented software for modeling, control synthesis and simulation of robots in metal machining processes

1994 ◽  
Vol 29 (3) ◽  
pp. 455-478 ◽  
Author(s):  
Aleksandar D. Rodić ◽  
Miomir K. Vukobratović ◽  
Dragan M. Stokić
Keyword(s):  
Control Synthesis ◽  
Machining Processes ◽  
Metal Machining

Improving Milling Performance with High Pressure Waterjet Assisted Cooling / Lubrication

1995 ◽  
Vol 117 (3) ◽  
pp. 331-339 ◽  
Author(s):  
R. Kovacevic ◽  
C. Cherukuthota ◽  
R. Mohan
Keyword(s):  
High Pressure ◽  
Metal Removal ◽  
Removal Rate ◽  
Water Pressure ◽  
Surface Profile ◽  
Machining Process ◽  
Orifice Diameter ◽  
Machining Processes ◽  
Milling Performance ◽  
Metal Machining

During machining, due to relative motion between tool and workpiece, severe thermal/frictional conditions exist at the tool-chip interface. Metal machining processes can be more efficient in terms of increasing the metal removal rate and lengthening tool life, if the thermal/frictional conditions are controlled effectively. A high pressure waterjet assisted coolant/lubricant system that can be used in conjunction with rotary tools (e.g., face milling) is developed here. The performance of this system is evaluated in terms of cutting force, surface quality, tool wear, and chip shape. The improvement in the effectiveness of the developed system with increase in water pressure and orifice diameter is also investigated. Stochastic modeling of the surface profile is performed to obtain more information about the role of waterjet in the machining process.

scholarly journals Metals Machining—Recent Advances in Experimental and Modeling of the Cutting Process

Metals ◽  
2018 ◽  
Vol 8 (12) ◽  
pp. 1053 ◽  
Author(s):  
Badis Haddag
Keyword(s):  
Cutting Process ◽  
Recent Advances ◽  
Metal Machining ◽  
Cutting Zone ◽  
Severe Loading

Metal machining involves severe loading in the cutting zone. [...]

Software System for Simulation and Control Synthesis of Robots for Metal Machining Processes

1991 ◽  
Vol 24 (9) ◽  
pp. 195-200
Author(s):  
D. Stokić ◽  
M. Vukobratović ◽  
A. Rodić ◽  
D. Surdilović
Keyword(s):  
Control Synthesis ◽  
Software System ◽  
Machining Processes ◽  
Metal Machining ◽  
Simulation And Control ◽  
And Control

Issues in Polycrystalline Diamond Compact Cutter–Rock Interaction From a Metal Machining Point of View—Part I: Temperature, Stresses, and Forces

2012 ◽  
Vol 134 (6) ◽  
Author(s):  
Demeng Che ◽  
Peidong Han ◽  
Ping Guo ◽  
Kornel Ehmann
Keyword(s):  
Metal Cutting ◽  
Polycrystalline Diamond ◽  
Point Of View ◽  
Rock Properties ◽  
Machining Processes ◽  
Temperature Stresses ◽  
Rock Interaction ◽  
Metal Machining ◽  
Rock Interface ◽  
Polycrystalline Diamond Compact

This paper provides a comprehensive review of the literature that deals with issues surrounding the polycrystalline diamond compact (PDC) cutter–rock interface during rock cutting/drilling processes. The paper is separated into two parts addressing eight significant issues: Part I deals with fundamental issues associated with temperature/stress distribution and loading force prediction, while Part II focuses on issues related to PDC cutter/bit performance, wear and other failure phenomena, rock removal mechanism and cutting theory, rock properties, and numerical modeling of cutter–rock interaction. Experimental, analytical, and numerical methods are included into the investigation of the above-mentioned eight issues. Relevant concepts from metal cutting, micromachining, and other machining processes are also introduced to provide important insights and draw parallels between these interrelated fields.

Influence Analysis of Micro-Milling Vibrational Phenomena on Workpiece Topomorphy

2017 ◽  
Vol 261 ◽  
pp. 77-84 ◽  
Author(s):  
Evlampia Stergianni ◽  
Dimitrios Sagris ◽  
Christos Tsiafis ◽  
Constantine David ◽  
Ioannis Tsiafis
Keyword(s):  
Cutting Speed ◽  
Cutting Parameters ◽  
Cutting Process ◽  
Micro Milling ◽  
Formation Mechanisms ◽  
Force Measurements ◽  
Machining Processes ◽  
Metal Machining ◽  
On Chip ◽  
The Impact

In metal machining processes, it is necessary to study the vibration phenomena which take place in cutting area between the cutting tool and the workpiece in order to ascertain the factors that affect them. Subject of this paper is the analysis of the influence of vibration phenomena during micro-milling on chip formation mechanisms and thereby on the workpiece topomorphy. In particular, the cutting parameters, such as the cutting speed, the feed rate and the axial cutting depth, which affect the workpiece topomorphy are experimentally studied. Based on cutting force measurements correlated with the workpiece topomorphy under various cutting process parameters useful results are extracted. In this way, the impact of vibration phenomena, taking place in micro-milling due to the cutting process, on the workpiece topomorphy can be evaluated.

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