Geometric Modeling of Compound NURBS Surfaces
Geometric Modeling of Compound NURBS Surfaces

Ali K. Alwan; Wisam K. Hamdan

Volume 38, Issue 2 , February 2020, , Page 277-287

https://doi.org/10.30684/etj.v38i2A.300

Abstract
  The design of sculptured surfaces occupies an essential area in the field of modern industrial, aerospace, and medical applications. The challenge is to design products that have complex ...  Read More ...
Iterative Method of Data Transfer from CAD to CAM Systems for the Profile of Stamping Dies
Iterative Method of Data Transfer from CAD to CAM Systems for the Profile of Stamping Dies

Ali Abbar Khleif; Ahmed A. A. Duroobi; Ali Mohammed

Volume 32, Issue 11 , October 2014, , Page 2714-2721

https://doi.org/10.30684/etj.32.11A.9

Abstract
  A proposal method for data transfer from CAD to CAM program has been investigated in the present work using iterative process for the stamping dies. The Bezier and B-spline equations ...  Read More ...
Sequencing the Randomly 2D Drawing Entities Using DXF Format
Sequencing the Randomly 2D Drawing Entities Using DXF Format

Baraa M.H. Albaghdadi

Volume 31, Issue 8 , June 2013, , Page 1567-1579

https://doi.org/10.30684/etj.31.8A12

Abstract
  The exchange of the data between the drawing programs like this one used in this research, AutoCAD, and the other application programs is very important to develop the applications ...  Read More ...
Automatic Features Recognition for Symmetrical Shapes
Automatic Features Recognition for Symmetrical Shapes

Amjad Barzan Abdulghafour; Mithal Ahmed Al-Bassam

Volume 30, Issue 12 , July 2012, , Page 2027-2043

Abstract
  The future of computer-aided design (CAD) and computer-aided manufacturing (CAM) depends on the ability of their two processes to communicate with each other and with intermediate ...  Read More ...
Development Approach of Automated Recognition for Isolated and Intersection (Complex) Manufacturing Features for Prismatic Mechanical Parts
Development Approach of Automated Recognition for Isolated and Intersection (Complex) Manufacturing Features for Prismatic Mechanical Parts

Hussein. S. Ketan

Volume 28, Issue 21 , October 2010, , Page 6215-6227

https://doi.org/10.30684/etj.28.21.1

Abstract
  The intersection between part features caused ambiguousness in featurerepresentation because the topology in this case will be change. To overcome this no unique and ambiguousness by ...  Read More ...
An Investigation of Object Shadows Utilization In 3D Shape Re-Construction Using Inexpensive Equipment
An Investigation of Object Shadows Utilization In 3D Shape Re-Construction Using Inexpensive Equipment

Ghassan A. Al-Kindi; Ali Abbar Khleif

Volume 28, Issue 4 , February 2010, , Page 836-852

https://doi.org/10.30684/etj.28.4.17

Abstract
  An approach for automatic 3D object re-construction using its shadow ispresented. The approach investigates the use of information inherited by thegenerated object shadows to re-construct ...  Read More ...
Studying Curve Interpolator for CNC System
Studying Curve Interpolator for CNC System

Maan Aabid Tawfiq; Laith A. Mohammed; Abbas M. Jabber Al-Fnzi

Volume 27, Issue 11 , August 2009, , Page 2205-2222

https://doi.org/10.30684/etj.27.11.4

Abstract
  This thesis focuses on developing algorithm to calculate best length line segments in (u) and (w) directions. By of tool paths for free form surfaces based on the required accuracy ...  Read More ...
Attribute Adjacency Matrix Approach for Extracting and Recognizing Manufacturing Prismatic Features from CAD Models
Attribute Adjacency Matrix Approach for Extracting and Recognizing Manufacturing Prismatic Features from CAD Models

Omar H. Hussoon; Hussein S. Ketan

Volume 27, Issue 10 , July 2009, , Page 2085-2099

https://doi.org/10.30684/etj.27.10.14

Abstract
  This paper introduces Developed Attributes Adjacency Matrix (DAAM)approach for extracting and recognizing of part’s features, by deal with decouplingor isolated manufacturing ...  Read More ...
Design of Free – Form Planar Closed Curves Using Four Point Interpolation
Design of Free – Form Planar Closed Curves Using Four Point Interpolation

Wissam K.H; Hussam L. Alwan; Bushra B. Abd Alhassan

Volume 26, Issue 8 , August 2008, , Page 976-985

Abstract
  It is desirable to construct a free-form closed curve, since large numbers of mechanical elements follow these curves. In this work we present a parametric interpolation for construction ...  Read More ...