This version of the DMIS Standard is now available for ordering: ANSI/DMIS 105.1-2007, Part 1

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WHAT IS DMIS?

The Dimensional Measuring Interface Standard (DMIS) was approved by the American National Standards Institute (ANSI) as an American National Standard, and is the most widely used metrology standard in the world today. The DMIS Standard is the only International Standard language for input files (programs) used for the control of dimensional measuring equipment, and coordinate measuring machines in particular.

Since the release of version 5.0, there have been more than fifty five Standard Improvement Requests (SIRs) resolved by the DMIS Standards Committee. These SIRs include specific enhancements, corrections, clarifications, and other improvements to the standard. Also included are more precise definitions, simplified programming descriptions with more consistent capabilities, and improved scanning probes with displacement. DMIS version 5.1 has continued or expanded its capabilities in scanning, measurement features, and alignment with GD&T Standards and Measurement Uncertainty. Every individual engaged in Quality Assurance involving a dimensional measuring processes, should be familiar with the DMIS Standard. This includes almost every manufacturing company that machines or manufactures parts to specific tolerances.

Fundamentals: The Dimensional Measuring Interface Standard is designed to provide a standard for the bi-directional communication of inspection data between computer systems and inspection equipment. The standard is a vocabulary of terms, which establishes a neutral format for inspection programs and inspection results data.

While primarily designed for communication between automated equipment, DMIS is designed to be both man-readable and man-writable, allowing inspection programs to be written and inspection results to be analyzed without the use of computer aids. With the enhancement of the High Level Language extensions, DMIS can also function and be implemented as a DME (Dimensional Measuring Equipment) language; e.g., a CMM controller internal language.

DMIS provides the vocabulary to pass inspection programs to dimensional measuring equipment and to pass measurement and process data back to an analysis, collection, and/or archiving system. Equipment which interfaces to other equipment using the DMIS vocabulary, may do so directly or it may have a translator or interpreter to convert its own native data formats into the DMIS format and/or a translator to convert the DMIS format into its own data structure.

Many companies have discovered that producing all their inspection programs in the DMIS language enables them to exchange these programs internally and externally with company subdivisions, subcontractors, or other companies around the world. The input files can then be created for any coordinate measuring machine (CMM) or other dimensional measuring equipment DME as needed. This new and improved version of the Dimensional Measuring Interface Standard (DMIS), revision 5.1, has almost 200 enhancements over DMIS version 4.0 (approved in 2001).

The DMIS 5.1 Standard is available in CD format.
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Hardcopy: By Special Order

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