A New Computerized System for Piercing and Bending Progressive Die Design

2011 ◽  
Vol 110-116 ◽  
pp. 4823-4831 ◽  
Author(s):  
Mohammad Ali Farsi
Keyword(s):  
Sheet Metal ◽  
Die Design ◽  
Network Systems ◽  
Progressive Die ◽  
Progressive Dies ◽  
Cad Cam ◽  
Formed Part ◽  
Design And Manufacture ◽  
Computerized System ◽  
Progressive Die Design

A Progressive die is used to transform flat strips of sheet metal into a formed part. This transformation is performed progressively by a series of stations that cut and bend the material into a desired shape. The progressive dies reduce the time and cost of producing complex sheet metal components. The design and manufacture of these dies are difficult. CAD/CAM systems have been proved very useful tools for this task. In this paper, a new system for design of the piercing and bending progressive die is described. In this system, piercing and bending operation are separated and the sequencing of each type is done individually. In this system first sequence of the piercing stations are determined then bending operations are sequenced based on a classification and fuzzy algorithm. Also, neural network systems are used to determine final angle of bends and die parameters. The capability of the system is shown using a sheet metal component.

Intermediate Stage Build of Sheet Metal in Progressive Die Design

2014 ◽  
Vol 687-691 ◽  
pp. 504-507
Author(s):  
Xiao Da Li ◽  
Xiang Hui Zhan
Keyword(s):  
Sheet Metal ◽  
Intermediate Stage ◽  
Die Design ◽  
Product Configuration ◽  
Metal Part ◽  
Progressive Die ◽  
Metal Parts ◽  
Sheet Metal Parts ◽  
Intermediate Configuration ◽  
Progressive Die Design

Intermediate stage build of Multi-station progressive die is to get intermediate configuration of every station and blank by unfolding product configuration reversely. It needs complicated hand computation and drawing to design intermediate stage with traditional method. In this paper, NX PDW module is used to finish the work. According to the shape of sheet metal, parts are simply classified into three types, and for different type of sheet metal part, different method to unfold the product configuration is discussed. The process of building intermediate stage with PDW is intuitive, timesaving, and also easy to modify.

Digital Strip Layout Design of Multi-Station Progressive Die

2014 ◽  
Vol 687-691 ◽  
pp. 3433-3436
Author(s):  
Xiao Da Li ◽  
Xiang Hui Zhan
Keyword(s):  
Sheet Metal ◽  
Traditional Method ◽  
Layout Design ◽  
Die Design ◽  
Suitable Method ◽  
Progressive Die ◽  
Strip Layout ◽  
Building Layout ◽  
Assembly Structure ◽  
Progressive Die Design

Strip Layout design plays a key role in multi-station progressive die design, and the traditional method of designing layout is complicated, timewasting. To design layout of progressive die with PDW is efficient, easy to be modified. In this paper, the process of building layout is discussed. First of all, sheet metal should be pretreated to build immediate stage, and the suitable method can be chosen to unfold sheet metal according the configuration feature of the product. Secondly, it needs to build the assembly structure of progressive die, called initialization. Thirdly, with tools including Blank Generator, Blank Layout, Scrap Design, and Strip Layout to finish layout design. In the end, the paper takes a sheet metal for instance to finish the layout. The method of designing layout with PDW improves the traditional method’s deficiencies, and improves the efficiency greatly.

A Rapid Parametric CAD System for Fine-Blanking Progressive Dies

2010 ◽  
Vol 102-104 ◽  
pp. 252-256 ◽  
Author(s):  
Yi Lin Wang ◽  
Hui Cai Long
Keyword(s):  
Development Process ◽  
Design Method ◽  
Die Design ◽  
Fine Blanking ◽  
Progressive Die ◽  
Cad System ◽  
Progressive Dies ◽  
Die Structure ◽  
Parametric Cad ◽  
Progressive Die Design

Fine-blanking is an advanced and precision stamping process. Designing the construction die is an important part of the entire development process. But for lots of special and complicated structures of fine-blanking dies, especially some progressive dies, many problems occurred during the traditional two-dimensional design method, such as heavy workload, time-consuming, difficulty of modification, difficulty of checking interference, difficulty of novice entry. To solve these problems, a rapid parametric CAD system based on SolidWorks is developed for fine-blanking progressive dies in the present study. The system comprises five modules, namely DIEBASE, WORKPART, STANDARD, MOTION and DRAWING. The first three modules are designed for the rapid designing and modeling of three different sets of die components. These modules work in tandem with the design-table-based standard part libraries. The MOTION module is designed to simulate the movement situation and check the interferences of the die structure. The last module is designed for the drawing documents of the die parts and assembly. The main feature of the system is its parameter-based interfacing for fine-blanking progressive die design. The design and modification jobs could be done easily and quickly by operating this system, and the system is easy to learn for semiskilled and even unskilled engineers. An illustrative example is demonstrated to show the usefulness of the system.

Configuration of progressive dies

1998 ◽  
Vol 12 (5) ◽  
pp. 405-418 ◽  
Author(s):  
B.T. CHEOK ◽  
A.Y.C. NEE
Keyword(s):  
Design Problem ◽  
Spatial Reasoning ◽  
Shape Representation ◽  
Computer Software ◽  
Die Design ◽  
Design System ◽  
Computer Assisted ◽  
Progressive Die ◽  
Progressive Dies ◽  
Progressive Die Design

The computer-assisted configuration of progressive die is a computationally mixed problem. This paper describes the progressive die design problem and reviews some existing research related to the configuration of progressive dies. It explains the model-based reasoning approach used to configure the intermediate and final solutions to the design problem. In particular, the various shape representation and spatial reasoning techniques are presented. Finally, a computer software architecture for the die design system is presented.

Research on NX-Based Progressive Die Design

2012 ◽  
Vol 602-604 ◽  
pp. 1818-1821
Author(s):  
Jun Liu ◽  
Cong Dong Ji
Keyword(s):  
Design Method ◽  
Equivalent Stress ◽  
Equivalent Strain ◽  
Die Design ◽  
Support Design ◽  
Stress Resilience ◽  
Progressive Die ◽  
Key Technology ◽  
Product Manufacturing ◽  
Progressive Die Design

Progressive die has been widely used in product manufacturing field. This paper proposed a NX-based computer server support design method. The equivalent stress, resilience, equivalent strain, attenuation, and forming were analyzed in detail. The key technology of confirming blank dimension and stock layout of server support were explicated clearly.

Trends and Developments in Intelligent Computer Aided Design of Progressive Dies

2005 ◽  
Vol 6-8 ◽  
pp. 241-248 ◽  
Author(s):  
S. Kumar ◽  
R. Singh
Keyword(s):  
Knowledge Base ◽  
Computer Aided Design ◽  
Die Design ◽  
Medium Size ◽  
System Framework ◽  
Intelligent Cad ◽  
Progressive Die ◽  
Cad System ◽  
Design Activities ◽  
Progressive Die Design

This paper discusses the trends and developments in intelligent CAD of progressive die. The research efforts reviewed reveal the growing importance and relevancy of particular AI techniques for automation of progressive die design activities. Based on the knowledge base approach of AI, an intelligent CAD framework is developed and presented in this paper. The proposed intelligent CAD framework comprises different knowledge base modules for automating progressive die design process. The procedure for the development of various knowledge base modules of the proposed intelligent CAD system is described through module CCKBS which has been designed for assessing manufacturability of sheet metal parts. An illustrative example has been included for demonstrating the usefulness of the developed module CCKBS. The system framework is flexible enough to accommodate new acquired knowledge for each module. The modules of the system framework are implementable on a PC and thus can be affordable by small and medium size enterprises.

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