Results 21 to 30 of about 206,868 (308)

Analysis of the Industrial Process of Producing a Lever-Type Forging Used in Motorcycles [PDF]

open access: yesArchives of Metallurgy and Materials, 2019
The article presents an analysis of the multi-operation hot die forging process, performed on a press, of producing a lever forging used in the motorcycles of a renowned producer by means of numerical simulations.
M. Hawryluk   +3 more
doaj   +1 more source

Prevention of Folding Defects in the Forging Process of Parachute Harness Parts Through Preform Die Design [PDF]

open access: yes한국정밀공학회지
This study focuses on preventing folding defects in the forging process of parachute harness parts. Through three-dimensional finite element analysis, it was determined that folding defects arise from uneven metal flow and timing differences in the ...
Jeong Gon Kim   +6 more
doaj   +1 more source

The ring compression test: Analysis of dimensions and canonical geometry [PDF]

open access: yes, 2015
The compression ring test is universally accepted as a perfectly valid method by which determine simply and reliably the adhesion friction factor in a plastic deformation process.
Martín-Fernández, Francisco de Sales
core   +1 more source

Forging Fluorine-Containing Quaternary Stereocenters by a Light-Driven Organocatalytic Aldol Desymmetrization Process [PDF]

open access: yes, 2017
Reported herein is a light-triggered organocatalytic strategy for the desymmetrization of achiral 2-fluoro-substi- tuted cyclopentane-1,3-diketones.
Ametamey   +49 more
core   +2 more sources

A study of direct forging process for powder superalloys [PDF]

open access: yes, 2014
Powder metallurgy (PM) processing of nickel-based superalloys has been used for a wide range of near net-shape fine grained products. In this paper a novel forming process, i.e. direct forging of unconsolidated powder superalloys is proposed.
Bai, Q   +5 more
core   +2 more sources

Defining a method of evaluating die life performance by using finite element models (FEM) and a practical open die hot forging method [PDF]

open access: yes, 2016
Die wear, which is defined as a surface damage or removal of material from one or both of two solid surfaces in a sliding, rolling or impact motion relative to one another, is considered the main cause of tool failure. Wear is responsible for 70% of tool
Foster, James   +2 more
core   +1 more source

Optimization of the Forging Process of a Gas Turbine Blade using the Finite Element Analysis and Response Surface Method [PDF]

open access: yesInternational Journal of Advanced Design and Manufacturing Technology, 2015
Forging of gas turbine blades needs a close control of the process parameters. These parameters require a suitable optimization method to achieve the best process conditions. This paper presents a hybrid method for the optimization of the forging process
V. Alimirzaloo, F. R. Biglari
doaj  

Analysis of the Industrial Process of Producing a Hub Forging Used in Motorcar Power Transmission Systems—A Case Study

open access: yesJournal of Manufacturing and Materials Processing, 2021
The article refers to an analysis of the multi-operation process of manufacturing a hub type forging used to transmit power in motorcar gear boxes, by way of die forging on a crank press.
Marek Hawryluk   +3 more
doaj   +1 more source

Automatically Controlled (Cold-) Forging Processes

open access: yesProcedia CIRP, 2014
AbstractA modular system to control material flow during cold forging processes by additi nal hydraulic axes using different process variables as well as the appropriate process and equipment technology is presented in this contribution. A conventional backward cup extrusion process is used to assess the potential of the system to improve the process ...
Liewald, M., Schiemann, T., Mletzko, C.
openaire   +1 more source

Numerical Simulation Study and Process Optimization of Closed-die Forging for Coupler Knuckle

open access: yesChengshi guidao jiaotong yanjiu
[Objective] To ensure that railway coupler knuckles meet strict mechanical performance requirements and to overcome the limitations of traditional casting and open-die forging processes in terms of forming quality and process complexity, it is aimed to ...
LI Li   +4 more
doaj   +1 more source

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