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Part Probing on Machining Center

One of the main issues in the production area using milling machines and machining centers is caused by scrap parts due to wrong machining. One of the way’s to avoid scrap is to know how the workpieces are mounted on the work table (the real position with respect to machine axes) and also to measure / inspect the workpieces after the machining process. To perform this kind of check, it is necessary for the machine to be equipped with part probing systems: touch probes and bore gauges.

Part probing identifies measurement operations that are carried out entirely inside the milling machine or machining center, in the very same conditions in which the cutting takes place. In this way, the operator gets the same data provided by CMMs, but in a faster and more meaningful way. In fact, it is true that CMMs provide very precise measures, but the information is not relied to how the part is positioned inside the machine; furthermore, the different environmental conditions could also affect the result of machining too.

Part Probing on Machining Center
DESCRIPTION

Part probing applications perform two check’s: work-piece set up and part inspection.

Before starting a cutting process, it is important to know exactly the position of the rough piece, its origins and orientation. The lack of such information or its inaccuracy implies the risk of machining the part out of the required tolerances, due to misalignment. In other words, knowing the work-piece set up leads to significant scrap reduction.

The part inspection allows the dimensional check just after the machining. In this way, the user knows if:

  • The part is in tolerance and can proceed to the next process
  • The part has dimensions lower than requested part print, so it requires further machining
  • The part was badly machined and out of tolerance. The immediate removal of a bad part prevents further process on it
BENEFITS
  • Reduction of working and check times
  • Increase of production efficiency
  • Real-time determination of part position
  • Scrap reduction
  • Measurement of workpieces fixed on the machine
VERSIONS

Marposs provides a complete offer of part probing applications to equip every milling machine and machining centers and measure parts of different shape.

  • Optical transmission touch probes: probes ideal for machines of small and medium dimensions
  • Radio transmission touch probes: probes for milling machines and machining centers, machining of big parts
  • Wireless bore gauges
  • Scanning probe: probe which allows to verify the accuracy of profile just machined and identify surface defects directly on the machine

In addition, Marposs develops dedicated measurement software for every part probing application.

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