Applying TRIZ for systematic manufacturing process innovation: the single point incremental forming case

This paper attempts to represent a case of calculating of the energy power that is consumed by CNC milling machine when manufacturing via forming membrane metal sheet by SPIF (Single Point Incremental Forming), the recent manufacturing process of metal sheet forming by drafting a no cutting-edge spheric tip tool on a clamped metal sheet. The calculation is based on the disclocation, the crystal plasticity and the slip of lattices inside the structure of the deformed metal. In the while time there is a series of empirical species of 24 groups batch of workpieces that were also machined by CNC milling machine Bridge Port VMC500, CAD/CAM Lab., FME of HCMUT for checking this calculation on consumed power.

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Experimental Determination of Residual Stresses Generated by Single Point Incremental Forming of AlSi10Mg Sheets Produced Using SLM Additive Manufacturing Process

Materials ◽

10.3390/ma11122542 ◽

2018 ◽

Vol 11 (12) ◽

pp. 2542 ◽

Cited By ~ 4

Author(s):

Cecilio López ◽

Alex Elías-Zúñiga ◽

Isaac Jiménez ◽

Oscar Martínez-Romero ◽

Héctor. R. Siller ◽

...

Keyword(s):

Residual Stress ◽

Residual Stresses ◽

Manufacturing Process ◽

Incremental Forming ◽

Single Point ◽

Single Point Incremental Forming ◽

X Ray Diffraction ◽

Variable Wall ◽

Metallic Sample

This paper focuses on investigating the residual stress values associated with a part fabricated by Selective Laser Melting technology (SLM) when this is subjected further to forces on single point incremental forming (SPIF) operation of variable wall angle. The residual stresses induced by the SLM manufacturing process on the fabricated AlSi10Mg metallic sheets, as well as those produced during their forming SPIF operation were determined by X-ray diffraction (XRD) measurements. Significant residual stress levels of variation, positive or negative, along the metallic sample were observed because of the bending effects induced by the SPIF processes. It is also shown how the wall thickness varies along the additive manufactured SPIFed part as well as the morphology of the melting pools as a function of the deformation depth.

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Improve the Micro-hardness of Single Point Incremental Forming Product Using Magnetic Abrasive Finishing

Engineering and Technology Journal ◽

10.30684/etj.v38i8a.906 ◽

2020 ◽

Vol 38 (8A) ◽

pp. 1137-1142

Author(s):

Baqer A. Ahmed ◽

Saad K. Shather ◽

Wisam K. Hamdan

Keyword(s):

Vickers Hardness ◽

Feed Rate ◽

Incremental Forming ◽

Single Point ◽

Single Point Incremental Forming ◽

Step Size ◽

Coil Current ◽

Magnetic Abrasive Finishing ◽

Finishing Process ◽

Abrasive Finishing

In this paper the Magnetic Abrasive Finishing (MAF) was utilized after Single Point Incremental Forming (SPIF) process as a combined finishing process. Firstly, the Single Point Incremental forming was form the truncated cone made from low carbon steel (1008-AISI) based on Z-level tool path then the magnetic abrasive finishing process was applied on the surface of the formed product. Box-Behnken design of experiment in Minitab 17 software was used in this study. The influences of different parameters (feed rate, machining step size, coil current and spindle speed) on change in Micro-Vickers hardness were studied. The maximum and minimum change in Micro-Vickers hardness that achieved from all the experiments were (40.4 and 1.1) respectively. The contribution percent of (feed rate, machining step size, coil current and spindle speed) were (7.1, 18.068, 17.376 and 37.894) % respectively. After MAF process all the micro surface cracks that generated on the workpiece surface was completely removed from the surface.

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Hot single-point incremental forming assisted by induction heating

The International Journal of Advanced Manufacturing Technology ◽

10.1007/s00170-015-7439-x ◽

2015 ◽

Vol 82 (5-8) ◽

pp. 1163-1171 ◽

Cited By ~ 29

Author(s):

Amar Al-Obaidi ◽

Verena Kräusel ◽

Dirk Landgrebe

Keyword(s):

Induction Heating ◽

Incremental Forming ◽

Single Point ◽

Single Point Incremental Forming

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Investigations into Enhanced Formability of AA5083 Aluminum Alloy Sheet in Single-Point Incremental Forming

Journal of Materials Engineering and Performance ◽

10.1007/s11665-021-05455-3 ◽

2021 ◽

Vol 30 (2) ◽

pp. 1289-1305

Author(s):

Gautam Kumar ◽

Kuntal Maji

Keyword(s):

Aluminum Alloy ◽

Incremental Forming ◽

Single Point ◽

Alloy Sheet ◽

Single Point Incremental Forming ◽

Aluminum Alloy Sheet ◽

Aa5083 Aluminum Alloy

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Multiobjective optimization of process variables in single-point incremental forming using grey relational analysis coupled with entropy weights

Proceedings of the Institution of Mechanical Engineers Part L Journal of Materials Design and Applications ◽

10.1177/14644207211020401 ◽

2021 ◽

pp. 146442072110204

Author(s):

Abdulmajeed Dabwan ◽

Adham E Ragab ◽

Mohamed A Saleh ◽

Atef M Ghaleb ◽

Mohamed Z Ramadan ◽

...

Keyword(s):

Grey Relational Analysis ◽

Incremental Forming ◽

Single Point ◽

Sheet Forming ◽

Incremental Sheet Forming ◽

Numerical Control ◽

Single Point Incremental Forming ◽

Process Variables ◽

Relational Analysis ◽

Grey Relational

Incremental sheet forming is a specific group of sheet forming methods that enable the manufacture of complex parts utilizing computer numerical control instead of specialized tools. It is an incredibly adaptable operation that involves minimal usage of sophisticated tools, dies, and forming presses. Besides its main application in the field of rapid prototyping, incremental sheet forming processes can be used for the manufacture of unique parts in small batches. The goal of this study is to broaden the knowledge of the deformation process in single-point incremental forming. This work studies the deformation behavior in single-point incremental forming by experimentally investigating the principal stresses, principal strains, and thinning of single-point incremental forming products. Conical-shaped components are fabricated using AA1050-H14 aluminum alloy at various combinations of fundamental variables. The factorial design is employed to plan the experimental study and analysis of variance is conducted to analyze the results. The grey relational analysis approach coupled with entropy weights is also implemented to identify optimum process variables for single-point incremental forming. The results show that the tool diameter has the greatest effect on the thinning of the SPIF product, followed by the sheet thickness, step size, and feed rate.

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