Video Inspection Software User’s Guide
Part Fixturing Modes The M3 system supports three part fixturing modes: • No part fixturing:
Manual and CNC systems Manual and CNC systems
Temporary part fixturing: Permanent part fixturing:
• •
CNC systems
Part fixturing is designated by editing the program properties for permanent fixturing or by responding to a user prompt when program playback is initiated for no fixturing or for temporary part fixturing. Part fixturing is discussed in detail later in this section. No Part Fixturing When no part fixturing is used, the user will be prompted to re-measure the features that define the part registration each time the part is measured. This mode is used primarily for quick inspections of one to a few parts in manual and CNC systems. Temporary Part Fixturing When temporary part fixturing is used, the user will be prompted to re-measure the features that define the part registration once, and then subsequent runs will be performed without new registration measurements. This mode is typically used to measure many parts using a manual system, or to measure many parts using the CNC system and a part fixture that will not be permanently attached to the machine. NOTE In manual systems, the user is guided to perform the programmed measurements by an arrow that appears in the live video window. In CNC systems, the reference frame measurements are performed automatically. Permanent Part Fixturing Permanent part fixturing is used only on CNC systems and must be specified by editing the program properties prior to saving a program. When permanent part fixturing is used, the part fixture is permanently attached to the system stage and the part registration is retained as part of the part program. Part registration measurements are performed automatically by the system each time the part program is loaded and requires no intervention by the user. This mode is typically used to measure a high volume of parts. NOTE The use of permanent fixturing relies on a repeatable machine zero based on encoder reference marks. The part program can only be run after the system has performed a home operation that sets the machine zero. Encoder and other changes that might affect the position of the system’s machine zero will invalidate the part registration of previously recorded programs.
NOTE A program with a loaded reference frame will have fixturing mode of “File” and the part will be registered.
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