Error Prevention and Detection in Data Preparation for a Numerically Controlled Milling Machine

Published

January 1, 1987

Author(s)

Thomas Kramer, W Strayer

Abstract

In the Vertical Workstation (VWS) of the NBS Automated Manufacturing Research Facility, metal parts are machined automatically from a feature-based design. A simple two-and-a- half dimensional part may be designed and machined within an hour, allowing half the time for design input. Workstation activity may be divided into design, process planning, data execution, and physical execution stages. In order to make VWS operation safe and accurate, extensive error prevention and detection (verification) procedures have been incorporated in the data preparation stages, particularly design and data execution. Automatic verification includes, design editor dialogues, design enhancement, design verification (subdivided into parameter type checks, feature verification, and reference feature fit checking), process plan verification, work-piece verification, part model checking, and other items. Interactive verification includes design drawing, work-piece model drawing, and tool path drawing. The feature verifiers are prepared by a rule-based automatic programming subsystem.

Citation

NIST Interagency/Internal Report (NISTIR) - 3677

Report Number

3677

NIST Pub Series

NIST Interagency/Internal Report (NISTIR)

Pub Type

NIST Pubs

Download Paper

Local Download

Keywords

vertical workstation, VWS, AMRF, automatic verification, process plan

Citation

Kramer, T. and Strayer, W. (1987), Error Prevention and Detection in Data Preparation for a Numerically Controlled Milling Machine, NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=821260 (Accessed January 20, 2025)