Professor Emeritus and Director - Center for Precision Forming
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- From The Fabricator
R&D Update: Evaluating the formability of tailor welded blanks, Part II
- By Ali Fallahiarezoodar, Hitansh Singhal, and Taylan Altan, Ph.D.
- Sep 3, 2020
- Bending and Forming
- Article
Part II of a two-part series discusses the methodology for evaluating the formability of tailor welded blanks using finite element (FE) simulations of plane strain and hydraulic bulge tests.
- From The Fabricator
Evaluating tailor welded blanks, Part I
- By Ali Fallahiarezoodar, Hitansh Singhal, and Taylan Altan, Ph.D.
- Jul 9, 2020
- Laser Welding
- Article
Our experts discuss the methodology for evaluating the formability of tailor welded blanks using tensile test experiments and finite element simulations.
- From The Fabricator
R&D Update: Off-center loading in sheet metal forming operations, Part I
- By David Diaz-Infante, Dr., Hitansh Singhal, and Taylan Altan, Ph.D.
- Oct 28, 2019
- Bending and Forming
- Article
Off-center loading can cause increased press and die wear and maintenance, leading to decreased part quality and more downtime, so predicting it is key.
- From The Fabricator
R&D Update: Fundamentals and applications of deep drawing, Part II
- By Advaith Narayanan, David Diaz-Infante, Dr., and Taylan Altan, Ph.D.
- Aug 12, 2019
- Bending and Forming
- Article
Finite element (FE) simulations can be used to predict the occurrence of fracture or wrinkles in a given deep drawing.
- From The Fabricator
R&D Update: Fundamentals and applications of deep drawing, Part I
- By Advaith Narayanan, David Diaz-Infante, Dr., and Taylan Altan, Ph.D.
- Jun 13, 2019
- Bending and Forming
- Article
The researchers at CPF explore the effect of draw beads and spacers in deep drawing and explain why they aren’t used in progressive die drawing.
- From The Fabricator
R&D Update: Exploring the benefits of servo technology in the pressroom
- By Berk Aykas, David Diaz-Infante, Dr., and Taylan Altan, Ph.D.
- Mar 28, 2019
- Bending and Forming
- Article
CPF researchers employed methods such as variable BHF, cushion pulsation, and attach/detach on a servo press to improve material drawability, reduce springback, and maintain edge quality during blanking.
- From The Fabricator
R&D Update: Using double bending tests to estimate edge fracture occurrence
- By Berk Aykas, David Diaz-Infante, Dr., and Taylan Altan, Ph.D.
- Jan 25, 2019
- Bending and Forming
- Article
Researchers at the Center for Precision Forming share the results of FE simulations to determine an adequate sample size and tooling configuration for the double bend test, used to estimate edge fracture in metal forming.
- From The Fabricator
R&D Update: Industry 4.0 and the use of sensors in sheet metal forming
- By David Diaz-Infante, Dr. and Taylan Altan, Ph.D.
- Dec 6, 2018
- Bending and Forming
- Article
Data mining with sensors can help sheet metal stampers form defect-free parts.
- From The Fabricator
R&D Update: Edge fracture in hole extrusion and flanging, Part II
- By Advaith Narayanan, David Diaz-Infante, Dr., and Taylan Altan, Ph.D.
- Oct 11, 2018
- Bending and Forming
- Article
Editor’s Note: Part I appeared in the July/August 2018 issue and discussed the effect of process variables in blanking (piercing).
- From The Fabricator
R&D Update: Edge fracture in hole extrusion and flanging, Part I
- By Advaith Narayanan, David Diaz-Infante, Dr., and Taylan Altan, Ph.D.
- Jul 30, 2018
- Bending and Forming
- Article
Researchers at The Ohio State University explore how material, punch/die clearance, and tool wear affect edge fracture during hole extrusion and flanging.
- From The Fabricator
R&D Update: Reducing springback using poststretching with stake beads
- By Ali Fallahiarezoodar, Tanmay Gupta, and Taylan Altan, Ph.D.
- Jun 4, 2018
- Bending and Forming
- Article
Reducing springback, especially when forming advanced high-strength steels (AHSS), is a major challenge in sheet metal forming. The article “Reducing springback in hat-shape bending with variable BHF using a servo-hydraulic cushion,” published in the March/April 2018 issue of STAMPING...
- From The Fabricator
R&D Update: Reducing springback in hat-shape bending with variable BHF using a servo-hydraulic cushion
- By Ali Fallahiarezoodar, Ethan McLaughlin, Tanmay Gupta, and Taylan Altan, Ph.D.
- Apr 4, 2018
- Bending and Forming
- Article
Springback in AHSS and high-strength aluminum alloys can cause geometric and dimensional inaccuracies in the formed part. Researchers at the Center for Precision Forming at The Ohio State University, in cooperation with Hyson Metal Forming Solutions, Brecksville, Ohio, conducted a study of a relatively simple, 2-D hat-shape bending operation.
- From The Fabricator
R&D Update: Blanking and edge fracture in flanging of AHSS, Part II
- By David Diaz-Infante, Dr. and Taylan Altan, Ph.D.
- Feb 5, 2018
- Bending and Forming
- Article
Editor’s Note: Part I of this article, which appeared in the November/December 2017 issue of STAMPING Journal®, reviewed the methods most commonly used to evaluate edge fracture in various materials.Edge fracture can be minimized by following certain steps. Following are the most important...
- From The Fabricator
R&D Update: Blanking and edge fracture in flanging of AHSS, Part I
- By David Diaz-Infante, Dr. and Taylan Altan, Ph.D.
- Dec 8, 2017
- Bending and Forming
- Article
The researchers at The Ohio State University's Center for Precision Forming discuss the factors that affect edge quality and explore several methods for testing the effect of blank material and blanking conditions on edge fracture.
- From The Fabricator
R&D Update: The importance of training in servo technology
- By Taylan Altan, Ph.D.
- Oct 13, 2017
- Bending and Forming
- Article
In the transportation industry, the need for lightweight structures and safety requirements is being met with new developments in materials, machines, tooling, and forming methods. Lightweighting is achieved through product design, materials, processes, lubricants, and production equipment, as well...
- Podcasting
- Podcast:
- The Fabricator Podcast
- Published:
- 03/26/2024
- Running Time:
- 67:51
This week on The Fabricator Podcast, Jason Becker, host of the Arc Junkies Podcast and owner of Underground...
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