Optimal part orientation in Rapid Manufacturing process for achieving geometric tolerances
Rapid Manufacturing (RM) processes have evolved from the Rapid Prototy** (RP)
paradigm and are increasingly being used to manufacture parts, tools and dies in addition to …
paradigm and are increasingly being used to manufacture parts, tools and dies in addition to …
Evaluation of straightness and flatness error using computational geometric techniques
GL Samuel, MS Shunmugam - Computer-Aided Design, 1999 - Elsevier
The Coordinate Measuring Machines capable of automated measurement are being widely
used in on-line and off-line inspection. The measurement data obtained from these …
used in on-line and off-line inspection. The measurement data obtained from these …
Verification of form tolerances part I: Basic issues, flatness, and straightness
K Carr, P Ferreira - Precision Engineering, 1995 - Elsevier
The ANSI Y14. 5 National Standard on Dimensioning and Tolerancing definition for form
tolerances requires the form error of a surface to be less than some set limit. However, most …
tolerances requires the form error of a surface to be less than some set limit. However, most …
Precision modeling of form errors for cylindricity evaluation using genetic algorithms
HY Lai, WY Jywe, CH Liu - Precision Engineering, 2000 - Elsevier
A heuristic approach is proposed in this paper to model form errors for cylindricity evaluation
using genetic algorithms (GAs). The proposed GAs method shows good flexibility and …
using genetic algorithms (GAs). The proposed GAs method shows good flexibility and …
Adaptive slicing in additive manufacturing process using a modified boundary octree data structure
In additive manufacturing (AM) processes, the layer-by-layer fabrication leads to a staircase
error resulting in dimensional inaccuracies in the part surface. Using thinner slices reduces …
error resulting in dimensional inaccuracies in the part surface. Using thinner slices reduces …
Minimum zone evaluation of circles and cylinders
JY Lai, H Chen - International Journal of Machine Tools and …, 1996 - Elsevier
A strategy for minimum zone evaluation of circles and cylinders is proposed in this work.
This strategy employs a non-linear transformation to convert a circle into a line and a …
This strategy employs a non-linear transformation to convert a circle into a line and a …
Analysis of minimum zone sphericity error using minimum potential energy theory
KC Fana, JC Lee - Precision Engineering, 1999 - Elsevier
Theoretical derivation of the minimum zone criteria of sphericity error based on the principle
of minimum potential energy is proposed. All the measured data points are enclosed by two …
of minimum potential energy is proposed. All the measured data points are enclosed by two …
Sampling uncertainty in coordinate measurement data analysis
There are a number of important software related issues in coordinate metrology. After
measurement data are collected in the form of position vectors, the data analysis software …
measurement data are collected in the form of position vectors, the data analysis software …
Conicity and cylindricity error evaluation using particle swarm optimization
XL Wen, JC Huang, DH Sheng, FL Wang - Precision Engineering, 2010 - Elsevier
The measurement data obtained from the Coordinate Measuring Machines (CMMs) have to
be further processed and analyzed to evaluate the form errors of manufactured components …
be further processed and analyzed to evaluate the form errors of manufactured components …
Flatness error evaluation and verification based on new generation geometrical product specification (GPS)
XL Wen, XC Zhu, YB Zhao, DX Wang, FL Wang - Precision Engineering, 2012 - Elsevier
New generation geometrical product specification (GPS) links the whole course of a
geometrical product from the research, development, design, manufacturing and verification …
geometrical product from the research, development, design, manufacturing and verification …