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75 Results Found

  • Article
  • Open Access
7 Citations
2,592 Views
19 Pages

21 November 2023

Single-point incremental forming (SPIF) has emerged as a cost-effective and rapid manufacturing method, especially suitable for small-batch production due to its minimal reliance on molds, swift production, and affordability. Nonetheless, SPIF’...

  • Article
  • Open Access
3 Citations
2,295 Views
17 Pages

13 November 2022

In view of its high compactibility, flexibility, reduced compacting pressure, and other superiorities, the single point incremental forming (SPIF) technique has been applied increasingly in the cranial prosthesis forming of perforated TA1 sheet with...

  • Article
  • Open Access
4 Citations
2,791 Views
15 Pages

13 July 2021

In the CNC incremental forming process, the sheet tilting method can be used to realize the non-fracture forming of a surface with large forming angles. However, the forming effect of the formed part will have big differences when the inclined angle...

  • Review
  • Open Access
39 Citations
6,088 Views
36 Pages

Single-Point Incremental Forming of Titanium and Titanium Alloy Sheets

  • Valentin Oleksik,
  • Tomasz Trzepieciński,
  • Marcin Szpunar,
  • Łukasz Chodoła,
  • Daniel Ficek and
  • Ireneusz Szczęsny

25 October 2021

Incremental sheet forming of titanium and its alloys has a significant role in modern manufacturing techniques because it allows for the production of high-quality products with complex shapes at low production costs. Stamping processes are a major c...

  • Article
  • Open Access
1 Citations
2,146 Views
28 Pages

18 April 2023

In light of the analysis on the single point incremental forming (SPIF) principle of perforated titanium sheet and the corresponding peculiarities during the forming process, it is found that the wall angle constitutes the pivotal parameter influenci...

  • Article
  • Open Access
4 Citations
2,001 Views
21 Pages

Influence of Heat Treatment on Properties and Microstructure of EN AW-6082 Aluminium Alloy Drawpieces After Single-Point Incremental Sheet Forming

  • Łukasz Kuczek,
  • Krzysztof Żaba,
  • Tomasz Trzepieciński,
  • Mateusz Wąsikowski,
  • Maciej Balcerzak and
  • Ryszard Sitek

14 January 2025

An EN AW-6082 aluminium alloy is one of the 6000 series aluminium alloys with the highest strength properties. Due to its favourable strength-to-density ratio, it is used, among others, in the automotive and aviation applications. It is also characte...

  • Article
  • Open Access
1,133 Views
24 Pages

This study examines the thinning behavior of AA3003-H14 aluminum alloy during single point incremental sheet forming (SPIF) through a combination of experimental trials and finite element analysis (FEA) using LS-DYNA. A full factorial experimental de...

  • Article
  • Open Access
18 Citations
3,321 Views
20 Pages

29 June 2021

Single point incremental forming (SPIF) is an emerging process that is well-known to be suited for fabrication in small series production. The aim of this paper was to determine the optimal input parameters of the process in order to minimise the max...

  • Review
  • Open Access
65 Citations
12,611 Views
55 Pages

Emerging Trends in Single Point Incremental Sheet Forming of Lightweight Metals

  • Tomasz Trzepieciński,
  • Valentin Oleksik,
  • Tomaž Pepelnjak,
  • Sherwan Mohammed Najm,
  • Imre Paniti and
  • Kuntal Maji

26 July 2021

Lightweight materials, such as titanium alloys, magnesium alloys, and aluminium alloys, are characterised by unusual combinations of high strength, corrosion resistance, and low weight. However, some of the grades of these alloys exhibit poor formabi...

  • Article
  • Open Access
3 Citations
1,427 Views
16 Pages

Thermo-Mechanical Numerical Simulation of Friction Stir Rotation-Assisted Single Point Incremental Forming of Commercially Pure Titanium Sheets

  • Marcin Szpunar,
  • Tomasz Trzepieciński,
  • Robert Ostrowski,
  • Krzysztof Żaba,
  • Waldemar Ziaja and
  • Maciej Motyka

24 June 2024

Single point incremental forming (SPIF) is becoming more and more widely used in the metal industry due to its high production flexibility and the possibility of obtaining larger material deformations than during conventional sheet metal forming proc...

  • Article
  • Open Access
5 Citations
1,605 Views
36 Pages

8 November 2024

Flexibility is crucial in forming processes as it allows the production of different product shapes without changing equipment or tooling. Single-point incremental forming (SPIF) provides this flexibility, but often results in excessive sheet metal t...

  • Article
  • Open Access
34 Citations
4,596 Views
19 Pages

Parametric Effects of Single Point Incremental Forming on Hardness of AA1100 Aluminium Alloy Sheets

  • Sherwan Mohammed Najm,
  • Imre Paniti,
  • Tomasz Trzepieciński,
  • Sami Ali Nama,
  • Zsolt János Viharos and
  • Adam Jacso

27 November 2021

When using a unique tool with different controlled path strategies in the absence of a punch and die, the local plastic deformation of a sheet is called Single Point Incremental Forming (SPIF). The lack of available knowledge regarding SPIF parameter...

  • Article
  • Open Access
1 Citations
2,993 Views
21 Pages

30 August 2022

Typically, due to their limited formability, elevated temperatures are required in order to achieve complex shapes in titanium alloys. However, there are opportunities for forming such alloys at room temperature using incremental forming processes su...

  • Article
  • Open Access
8 Citations
3,856 Views
25 Pages

Effects of Low-Frequency Vibrations on Single Point Incremental Sheet Forming

  • Xiao Xiao,
  • Se-Hyeon Oh,
  • Sang-Hoon Kim and
  • Young-Suk Kim

16 February 2022

This study investigated the effects of longitudinal low-frequency vibrations on the performance of the single point incremental forming process of an aluminum alloy 1050 (AA1050) sheet. Low-frequency vibrations were added to the forming tool’s...

  • Article
  • Open Access
11 Citations
2,389 Views
23 Pages

4 March 2023

Uniform wall thickness plays an essential role in avoiding forming failure in incremental sheet forming. However, it is challenging to promote the uniform distribution of wall thickness in single-pass forming of high wall angle and complex three-dime...

  • Article
  • Open Access
25 Citations
7,911 Views
13 Pages

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

  • Cecilio López,
  • Alex Elías-Zúñiga,
  • Isaac Jiménez,
  • Oscar Martínez-Romero,
  • Héctor R. Siller and
  • José M. Diabb

13 December 2018

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 wal...

  • Article
  • Open Access
1 Citations
699 Views
26 Pages

Characterization of Hexagonal Close-Packed Zn-Cu-Ti Alloy Pyramid Drawpieces in Single-Point Incremental Sheet Forming Process

  • Łukasz Kuczek,
  • Krzysztof Żaba,
  • Tomasz Trzepieciński,
  • Maciej Balcerzak and
  • Vít Novák

28 June 2025

Incremental sheet forming technology is finding increasing application in the production of components in many industries. This article presents the analysis of the formability of 0.68-mm-thick Zn-Cu-Ti alloy sheets during the single-point incrementa...

  • Article
  • Open Access
11 Citations
3,248 Views
21 Pages

31 October 2020

Incremental sheet forming (ISF) is an economical process for batch production. This paper investigates post-forming mechanical properties with an emphasis on the relationship between residual stresses, strengths, micro-hardness and the strain-hardeni...

  • Article
  • Open Access
23 Citations
5,070 Views
14 Pages

Revisiting Formability and Failure of AISI304 Sheets in SPIF: Experimental Approach and Numerical Validation

  • Gabriel Centeno,
  • Andrés Jesús Martínez-Donaire,
  • Isabel Bagudanch,
  • Domingo Morales-Palma,
  • María Luisa Garcia-Romeu and
  • Carpóforo Vallellano

28 November 2017

Single Point Incremental Forming (SPIF) is a flexible and economic manufacturing process with a strong potential for manufacturing small and medium batches of highly customized parts. Formability and failure in SPIF have been intensively discussed in...

  • Article
  • Open Access
15 Citations
2,930 Views
22 Pages

Effect of Step Size on the Formability of Al/Cu Bimetallic Sheets in Single Point Incremental Sheet Forming

  • Krzysztof Żaba,
  • Sandra Puchlerska,
  • Łukasz Kuczek,
  • Tomasz Trzepieciński and
  • Piotr Maj

30 December 2022

Single Point Incremental Forming (SPIF) is an unconventional forming process that is suitable for prototype production and small lot production due to the economical tooling cost, short lead time, and the ability to create symmetrical and asymmetrica...

  • Article
  • Open Access
14 Citations
4,198 Views
12 Pages

Optimization of Single-Point Incremental Forming of Polymer Sheets through FEM

  • Antonio Formisano,
  • Luca Boccarusso and
  • Massimo Durante

3 January 2023

Incremental sheet forming represents a relatively new process appointed to form sheets of pure metals, alloys, polymers, and composites for the manufacture of components in fields where customized production in a short time and at a low cost is requi...

  • Article
  • Open Access
4 Citations
2,711 Views
14 Pages

Influence of Lubrication and Cooling on the Quality of Single-Point Incremental Forming Parts of Polycarbonate Sheets

  • Irina Beșliu-Băncescu,
  • Laurențiu Slătineanu,
  • Oana Dodun and
  • Gheorghe Nagîț

Without ensuring high productivity, single-point incremental forming allows obtaining cavities in sheet-type workpieces by rotating and moving a rotary forming tool along a predetermined path. The process can be used in the case of both metal and pla...

  • Article
  • Open Access
25 Citations
3,282 Views
15 Pages

Surface Finish Analysis in Single Point Incremental Sheet Forming of Rib-Stiffened 2024-T3 and 7075-T6 Alclad Aluminium Alloy Panels

  • Tomasz Trzepieciński,
  • Andrzej Kubit,
  • Andrzej Dzierwa,
  • Bogdan Krasowski and
  • Wojciech Jurczak

27 March 2021

The article presents the results of the analysis of the interactions between the single point incremental forming (SPIF) process parameters and the main roughness parameters of stiffened ribs fabricated in Alclad aluminium alloy panels. EN AW-7075-T6...

  • Article
  • Open Access
11 Citations
5,017 Views
20 Pages

Residual Stresses and Surface Roughness Analysis of Truncated Cones of Steel Sheet Made by Single Point Incremental Forming

  • Ján Slota,
  • Bogdan Krasowski,
  • Andrzej Kubit,
  • Tomasz Trzepiecinski,
  • Wojciech Bochnowski,
  • Kazimiera Dudek and
  • Miroslav Neslušan

10 February 2020

The dimensional accuracy and mechanical properties of metal components formed by the Single Point Incremental Forming (SPIF) process are greatly affected by the prevailing state of residual stress. An X-ray diffraction method has been applied to achi...

  • Article
  • Open Access
25 Citations
4,969 Views
15 Pages

Optimization of Hole-Flanging by Single Point Incremental Forming in Two Stages

  • Domingo Morales-Palma,
  • Marcos Borrego,
  • Andrés J. Martínez-Donaire,
  • Gabriel Centeno and
  • Carpóforo Vallellano

18 October 2018

Single point incremental forming (SPIF) has been demonstrated to accomplish current trends and requirements in industry. Recent studies have applied this technology to hole-flanging by performing different forming strategies using one or multiple sta...

  • Article
  • Open Access
3 Citations
1,961 Views
14 Pages

The Influence of the Strain-Hardening Model in the Axial Force Prediction of Single Point Incremental Forming

  • Rogelio Perez-Santiago,
  • Nicolas J. Hendrichs,
  • Gustavo Capilla-González,
  • Elisa Vázquez-Lepe and
  • Enrique Cuan-Urquizo

29 June 2024

Estimation of the loading conditions during incremental sheet forming is important for designing dedicated equipment, safely utilizing adapted machinery, and developing online process control strategies or trajectory compensation for robot compliance...

  • Feature Paper
  • Article
  • Open Access
8 Citations
2,928 Views
24 Pages

7 January 2022

The aim of this paper is to determine the optimal input parameters for the process in order to ensure the maximum formable wall angle is obtained in a conical frustum with a varying wall angle fabricated using Single Point Incremental Forming (SPIF)....

  • Article
  • Open Access
21 Citations
3,875 Views
26 Pages

8 February 2021

The single-point incremental forming process (SPIF) is one of the emerging manufacturing methods because of its flexibility in producing the desired complex shapes with higher formability at low-cost compared to traditional sheet forming methods. In...

  • Article
  • Open Access
7 Citations
2,953 Views
22 Pages

A Mathematical Model for Force Prediction in Single Point Incremental Sheet Forming with Validation by Experiments and Simulation

  • Ravi Prakash Singh,
  • Santosh Kumar,
  • Pankaj Kumar Singh,
  • Md. Meraz,
  • Ashutosh Kumar Srivastwa,
  • Sachin Salunkhe,
  • H. M. A. Hussein,
  • Emad S. Abouel Nasr and
  • Ali Kamrani

1 June 2023

Incremental sheet forming (ISF) is an emerging technology that has shown great potential in forming customized three-dimensional (3D) parts without the use of product-specific dies. The forming force is reduced in ISF due to the localized nature of d...

  • Article
  • Open Access
3 Citations
1,565 Views
18 Pages

Advanced FEM Insights into Pressure-Assisted Warm Single-Point Incremental Forming of Ti-6Al-4V Titanium Alloy Sheet Metal

  • Tomasz Trzepieciński,
  • Marcin Szpunar,
  • Robert Ostrowski,
  • Waldemar Ziaja and
  • Maciej Motyka

24 May 2024

This study employs the finite element (FE) method to analyze the Incremental Sheet Forming (ISF) process of Ti-6Al-4V titanium alloy. The numerical modeling of pressure-assisted warm forming of Ti-6Al-4V sheets with combined oil-heating and friction...

  • Article
  • Open Access
11 Citations
2,050 Views
25 Pages

9 February 2024

This article investigated the formability of aluminum/copper bimetal sheets during single-point incremental forming. First, the two-layer sheets were produced by the explosive welding process; then, the rolling process was performed with 50% strain o...

  • Article
  • Open Access
19 Citations
2,770 Views
24 Pages

Investigation of Surface Roughness in Incremental Sheet Forming of Conical Drawpieces from Pure Titanium Sheets

  • Tomasz Trzepieciński,
  • Marcin Szpunar,
  • Andrzej Dzierwa and
  • Krzysztof Żaba

16 June 2022

The article presents the results of the analysis of the influence of incremental sheet forming process parameters on surface roughness measured on both sides of conical drawpieces made from pure titanium Grade 2 sheets. The experimental plan was crea...

  • Review
  • Open Access
13 Citations
4,454 Views
26 Pages

A Review on Part Geometric Precision Improvement Strategies in Double-Sided Incremental Forming

  • Sattar Ullah,
  • Peng Xu,
  • Xiaoqiang Li,
  • Yanle Li,
  • Kai Han and
  • Dongsheng Li

5 January 2022

Low geometric accuracy is one of the main limitations in double-sided incremental forming (DSIF) with a rough surface finish, long forming time, and excessive sheet thinning. The lost contact between the support tool and the sheet is considered the m...

  • Article
  • Open Access
6 Citations
3,597 Views
16 Pages

Hot-Air Contactless Single-Point Incremental Forming

  • Mohammad Almadani,
  • Ahmet Guner,
  • Hany Hassanin and
  • Khamis Essa

Single-point incremental forming (SPIF) has emerged as a time-efficient approach that offers increased material formability compared to conventional sheet-metal forming techniques. However, the physical interaction between the forming tool and the sh...

  • Article
  • Open Access
7 Citations
2,734 Views
16 Pages

2 June 2023

Currently, the single-point incremental forming process often faces issues such as insufficient formability of the sheet metal and low strength of the formed parts. To address this problem, this study proposes a pre-aged hardening single-point increm...

  • Article
  • Open Access
4 Citations
2,129 Views
17 Pages

Investigation of the Robotized Incremental Metal-Sheet Forming Process with Ultrasonic Excitation

  • Vytautas Ostasevicius,
  • Agne Paulauskaite-Taraseviciene,
  • Ieva Paleviciute,
  • Vytautas Jurenas,
  • Paulius Griskevicius,
  • Darius Eidukynas and
  • Laura Kizauskiene

28 January 2022

During the single-point incremental forming (SPIF) process, a sheet is formed by a locally acting stress field on the surface consisting of a normal and shear component that is strongly affected by friction of the dragging forming tool. SPIF is usual...

  • Article
  • Open Access
32 Citations
8,280 Views
15 Pages

7 November 2017

The incremental sheet forming (ISF) process is an emerging flexible sheet-forming process, which is adequate for the manufacturing of unique or small-volume batches. Single-point incremental forming (SPIF) is the original technology of incremental sh...

  • Article
  • Open Access
4 Citations
3,994 Views
13 Pages

Hybrid Manufacturing of Stiffening Grooves in Additive Deposited Thin Parts

  • Valentino A. M. Cristino,
  • João P. M. Pragana,
  • Ivo M. F. Bragança,
  • Carlos M. A. Silva and
  • Paulo A. F. Martins

This paper is focused on the hybridization of additive manufacturing with single-point incremental forming to produce stiffening grooves in thin metal parts. An analytical model built upon in-plane stretching of a membrane is provided to determine th...

  • Article
  • Open Access
5 Citations
2,268 Views
14 Pages

7 December 2022

In this paper, a composite technique of ultrasonic incremental forming and laser shock peeing is proposed. The former process is mainly used for the manufacturing of complex-shaped sheet and strengthening coating that is prepared for subsequent laser...

  • Article
  • Open Access
4 Citations
3,741 Views
16 Pages

Incremental forming is a recent forming process that allows a sheet to be locally deformed with a hemispherical tool in order to gradually shape it. Despite good lubrication between the sheet and the tip of the smooth hemisphere tool, ductility often...

  • Article
  • Open Access
4 Citations
2,888 Views
16 Pages

Selection of Constitutive Material Model for the Finite Element Simulation of Pressure-Assisted Single-Point Incremental Forming

  • Ali Abdelhafeez Hassan,
  • Gökhan Küçüktürk,
  • Hurcan Volkan Yazgin,
  • Hakan Gürün and
  • Duran Kaya

17 October 2022

Pressure-assisted single-point incremental forming (PA-SPIF) is one of the emerging forming techniques for sheet metals that have been the subject of rigorous research over the past two decades. Understanding of its forming mechanisms and capabilitie...

  • Article
  • Open Access
2 Citations
1,667 Views
15 Pages

Characteristics of 2D Ultrasonic Vibration Incremental Forming of a 1060 Aluminum Alloy Sheet

  • Yuan Lv,
  • Yifan Wang,
  • Yan Wang,
  • Xixiang Pan,
  • Cong Yi and
  • Meng’en Dong

7 March 2024

Currently, 1060 aluminum alloy is widely applied in the electronics industry, construction, the aerospace field, traffic engineering, decorations, and the consumer goods market for its good chemical, physical, and mechanical properties. In general, e...

  • Article
  • Open Access
2 Citations
2,266 Views
13 Pages

Experimental Investigation of Load-Bearing Capacity in EN AW-2024-T3 Aluminum Alloy Sheets Strengthened by SPIF-Fabricated Stiffening Rib

  • Hassanein I. Khalaf,
  • Raheem Al-Sabur,
  • Andrzej Kubit,
  • Łukasz Święch,
  • Krzysztof Żaba and
  • Vit Novák

10 April 2024

The aluminum strength-to-weight ratio has become a highly significant factor in industrial applications. Placing stiffening ribs along the surface can significantly improve the panel’s resistance to bending and compression in aluminum alloys. T...

  • Article
  • Open Access
4 Citations
2,405 Views
22 Pages

Development of a Compact Incremental Forming Machine

  • Tatiana P. Resende,
  • Gustavo P. Carmo,
  • Daniel G. Afonso and
  • Ricardo J. Alves de Sousa

23 January 2024

Since the beginning of the 21st century, incremental sheet-metal-forming processes, such as single-point incremental forming (SPIF), have been the subject of extensive research. The SPIF process is highlighted as an efficient and cost-effective solut...

  • Article
  • Open Access
18 Citations
7,353 Views
10 Pages

Advanced high-strength steel (AHSS) is subject to a high deformation in geometry due to spring-back and high forces during forming. Therefore, dieless single-point incremental forming supported by induction heating was introduced. When a HCT980C stee...

  • Article
  • Open Access
18 Citations
3,177 Views
20 Pages

11 December 2019

Bimetal sheets have superior properties as they combine different materials with different characteristics. Producing bimetal parts using a single-point incremental forming process (SPIF) has increased recently with the development of industrial requ...

  • Article
  • Open Access
60 Citations
6,365 Views
22 Pages

Single-Point Incremental Forming of Two Biocompatible Polymers: An Insight into Their Thermal and Structural Properties

  • Luis Marcelo Lozano-Sánchez,
  • Isabel Bagudanch,
  • Alan Osiris Sustaita,
  • Jackeline Iturbe-Ek,
  • Luis Ernesto Elizalde,
  • Maria Luisa Garcia-Romeu and
  • Alex Elías-Zúñiga

1 April 2018

Sheets of polycaprolactone (PCL) and ultra-high molecular weight polyethylene (UHMWPE) were fabricated and shaped by the Single-Point Incremental Forming process (SPIF). The performance of these biocompatible polymers in SPIF was assessed through the...

  • Article
  • Open Access
3 Citations
2,162 Views
14 Pages

19 April 2023

The process of single-point incremental forming (SPIF) is a relatively new technology that is primarily used in the production of prototypes and small quantities of products. However, the process has several limitations with respect to the quality ch...

  • Article
  • Open Access
20 Citations
3,757 Views
16 Pages

22 October 2020

Incremental sheet metal forming can manufacture various sheet metal products without a dedicated punch and die set. In this study, we developed a two-stage incremental forming process to decrease shape errors in the conventional incremental forming p...

  • Article
  • Open Access
7 Citations
5,002 Views
11 Pages

Manufacturing of Non-Stick Molds from Pre-Painted Aluminum Sheets via Single Point Incremental Forming

  • Oscar Rodriguez-Alabanda,
  • Miguel A. Narvaez,
  • Guillermo Guerrero-Vaca and
  • Pablo E. Romero

20 June 2018

The process of single point incremental formation (SPIF) awakens interest in the industry of mold manufacturing for the food industry. By means of SPIF, it is possible to generate short series of molds or mold prototypes at low cost. However, these i...

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