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Manufacturing

Robotics

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Displaying 326 - 350 of 353

A Summary of Micro-milling Studies

January 1, 1999
Author(s)
Bradley N. Damazo, Matthew A. Davies, Brian S. Dutterer, Michael Kennedy
The importance of micro-milling grows as the demand for smaller parts within the medical, telecommunications, and aerospace industries increase. Unlike conventional milling, there are no reference materials (such as Machining Data Handbook for conventional

On the Geometric and Thermal Errors of a Hexapod Machine Tool

January 1, 1999
Author(s)
Johannes A. Soons
This paper describes the measurement and analysis of the quasi-static errors of a prototype hexapod milling machine located at the National Institute of Standards and Technology (NIST). Emphasis is placed on a) identification of the most important

Evaluating the Performance of Rapid Prototyping/Rapid Manufacturing Systems

September 28, 1998
Author(s)
Richard L. Rhorer, Kevin K. Jurrens, Bradley N. Damazo
A method of fabricating and measuring simple part shapes to evaluate the performance of Rapid Prototyping (RP) systems is proposed in this report. These test shapes would include cylinders, rectangular bricks, cones, and other basic shapes. We propose a

Rapid Prototyping

January 1, 1998
Author(s)
Kevin K. Jurrens
Continued growth and acceptance of rapid prototyping (RP) will come only if the technology reaches a broader base of users. For this to happen, it must become easier for companies to measure the benefits of RP and justify its costs. Today, measuring the

Thermal Error Modeling of Machine Tools Using Neural Networks

September 18, 1997
Author(s)
Alice V. Ling
This paper describes an approach for the enhancement of machine tool accuracy. A prediction of the thermally-induced displacement error of the cutting tool with respect to the workpiece is used for corrective action. Recently, researchers have increased

Error Analysis of a Hexapod Machine Tool

April 3, 1997
Author(s)
Johannes A. Soons
This paper describes the measurement and analysis of the quasi-static errors of a prototype hexapod milling machine at the National Institute of Standards and Technology (NIST). Emphasis is placed on a) the identification and definition of the parametric

Development of Virtual Machine Tools

January 1, 1996
Author(s)
M A. Donmez
This paper describes a new project that is part of a program initiated by the Manufacturing Engineering Laboratory of the National Institute of Standards and Technology (NIST) to develop infrastructural tools that facilitate information-based manufacturing

Compensation of Errors Detected by Process-Intermittent Gauging

August 10, 1995
Author(s)
Herbert T. Bandy, David E. Gilsinn
This paper describes a software design for implementing compensation of errors detected by process-intermittent gauging. This is the function of one control loop in the three-loop Quality In Automation (QIA) architecture that is under development at the

Data Management for Error Compensation and Process Control

January 1, 1995
Author(s)
Herbert T. Bandy, David E. Gilsinn
Strategies for managing data flow are described for a system which controls processes to compensate machine tool and process errors. A CAD representation of the part is the basis for generating the data used in the processes and analyses. A process

The NIST ROBOCRANE

September 8, 1992
Author(s)
James S. Albus, Roger V. Bostelman, Nicholas Dagalakis
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