An Industrial System for Estimation of Workpiece Height in WEDM

Conde, A.; Sánchez, J.A.; Plaza, Soraya; Olivenza, M.; Ramos, J.M.

doi:10.1016/j.proeng.2015.12.543

Cited by 9 publications

(6 citation statements)

References 10 publications

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“…Still, there are some disputes involved in WEDM such as the selection of various AE materials, selection of suitable advanced wire materials, and micro-machining of hard ceramics, these issues should be examined and discussed in further research works, 29,43 and. 48 A process map to select a suitable AE including various methods to apply AE on the base material and its results may help in evolving significant understandings regarding the machining of these ceramics.…”

Section: Future Visions Of This Researchmentioning

confidence: 99%

“…The addition of zinc to the copper electrode also helps to governor discharge properties, which made the brass electrode the most efficient alternative for general-purpose EDM and WEDM. Now a day we can find an extensive variety of tensile strength and hardness by varying the alloying percentage of zinc, 24,27,42,43 and. 44 Moreover, a comparative study of the influence of conventional copper wire and brass wire have been performed during machining of EN 8 steel.…”

Section: Brass Wiresmentioning

confidence: 99%

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A comprehensive review on wire EDM performance evaluation

Alam

Siddiquee

Khan

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part E:

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Wire electric discharge machining (WEDM) technique is a fast-growing, advanced manufacturing process which is used for machining of hard materials including various alloys of steel, nickel, tungsten, cubic boron nitride, metal matrix composites (MMC's), superalloys, and ceramic materials. Moreover, it is employed for machining complex profiles and micromachining of hardened materials which are not feasible by various conventional machining processes. Generally, this process is employed to machine electrically conductive materials but during this scenario, it is also being used for machining of electrically low conducting and non-conducting ceramics including silicon carbide, aluminium oxide, silicon nitrate, and zirconium oxide ceramics by modifying the WEDM method with assisted electrode technique or forming composite of conductive and non-conductive materials. This paper presents a comprehensive review on the influence of several WEDM control factors including pulse-on time, pulse-off time, wire feed rate, peak current, wire tension, type of wire (tool) materials, types of base materials and types of powder mixed dielectric fluids on the output responses such as surface roughness (Ra), material removal rate (MRR), width of cut (kerf), wire wear ratio (WWR), wire breakage, microstructural defects, recast layer thickness, and thermal deformation. Moreover, various simulation methods, post processing methods and optimization of WEDM parameters using various techniques were discussed and at last this paper shapes the important recommendations and upcoming developments in WEDM.

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Section: Future Visions Of This Researchmentioning

confidence: 99%

Section: Brass Wiresmentioning

confidence: 99%

A comprehensive review on wire EDM performance evaluation

Alam

Siddiquee

Khan

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part E:

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“…16 Such temperature melts and vaporizes a very tiny amount of workpiece material, so the WEDM can achieve very low surface roughness (less than 0.2 mm of average roughness, Ra). 17 The wire is held between the upper and lower diamond guides with a specific tension, unwound from a spool, fed through the workpiece, and then wound to another spool. The performance of WEDM is usually measured by the cutting speed, surface roughness, and dimension accuracy of the workpiece.…”

Section: Development Of a Cps Based On The 8c Architecturementioning

confidence: 99%

“…On the one hand, the data-information conversion can be realized at the RFID reader, BT reader, PLC, or gateway as long as enough computing resources are available in it. This is actually the concept of fog computing, which is defined in Conde et al 17 as ''an architecture that uses one or more collaborative multitude of end-user clients or near-user edge devices to carry out a substantial amount of storage, communication, control, configuration, measurement and management.'' On the other hand, the conversion can be carried out at the cloud side which is abundant in computing resources.…”

Section: Focus On Both Vertical Integration and Horizontal Integrationmentioning

confidence: 99%

An improved cyber-physical systems architecture for Industry 4.0 smart factories

Jiang

2018

Advances in Mechanical Engineering

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The cyber-physical system is the core concept of Industry 4.0 for building smart factories. We can rely on the ISA-95 architecture or the 5C architecture to build the cyber-physical system for smart factories. However, both architectures emphasize more on vertical integration and less on horizontal integration. This article proposes the 8C architecture by adding 3C facets into the 5C architecture. The 3C facets are coalition, customer, and content. The proposed 8C architecture is a helpful guideline to build the cyber-physical system for smart factories. We show an example of designing and developing, on the basis of the proposed 8C architecture, a smart factory cyber-physical system, including an Industrial Internet of Things gateway and a smart factory data center running in the cloud environment.

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“…Based on the experiments, an effective method has been suggested to eliminate the inaccuracy of the profile, which will lead to a better understanding of the gap force phenomenon. Conde et al 8 studied the most important variables used in the WEDM process. The results presented in the experiment showed that the workpiece thickness determination can be achieved by the analysis of the variable Gap error, which is built as a combination of Ionization time and servo voltage.…”

Section: Introductionmentioning

confidence: 99%

Analysis of the effect of material thickness during the WEDM processon cutting speed, topography and morphology

Mouralová

Beneš

Prokeš

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part B:

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Wire electrical discharge machining (WEDM) is an unconventional machining technology that is indispensable in many industries. Machining is performed using the thermoelectric principle, while it is possible to machine all at least minimally electrically conductive materials. Due to the wide range of applications of WEDM, it is necessary to ensure the appropriate quality of machined surfaces, regardless of the thickness of the machined materials, while maintaining an acceptable cutting speed. For this purpose, this study was performed to analyse the effect of material thickness on the cutting speed, morphology and topography of Ampcoloy 35 material. In this study, thicknesses from 5 to 160 mm were analysed in 5 mm increments with the same machine parameter settings. The surface topography and morphology were studied using electron and light microscopy, and cross-sections of the sample were created to examine the condition of the subsurface layer. It was found that the values of Ra at the edge ranged from 1.8 to 3.2 µm and in the middle of the sample from 1.7 to 3 µm, while the trend of increasing Ra with thickness is not visible. It is clear from the morphology analysis that a rugged surface with more craters was created at the edges than in the middle of the sample, while segregated lead needles were also formed at the edges of the samples.

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An Industrial System for Estimation of Workpiece Height in WEDM

Cited by 9 publications

References 10 publications

A comprehensive review on wire EDM performance evaluation

A comprehensive review on wire EDM performance evaluation

An improved cyber-physical systems architecture for Industry 4.0 smart factories

Analysis of the effect of material thickness during the WEDM processon cutting speed, topography and morphology

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