Part Fixturing Modes The M2 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
No Part Fixturing When no part fixturing is used, a measurement reference frame must be created by the user each time measurements are performed on a part. 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, a measurement reference frame must be created by the user the first time a part is measured. The system will then perform reference frame measurements automatically for subsequent like parts. In manual systems, the user is guided to perform the reference frame measurements by colored dot that appears in the Part View. In CNC systems, the reference frame measurements are performed automatically. This mode is typically used to measure many identical 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. Permanent Part Fixturing Permanent part fixturing is used only on CNC systems and must be specified prior to saving a program. When permanent part fixturing is used, the part fixture is permanently attached to the system stage and the measurement reference frame is retained as part of the part program. Reference frame 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 identical 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.
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