TNC 640 Mill-Turn has a 3D Probing Cycle Option

Originally titled 'Mill-Turn has a 3D Probing Cycle Option'

Heidenhain’s TNC 640 mill-turn has a 3D probing cycle option called Cycle 444 to meet increased requirements for automation and advanced probing routines that inspect free form surfaces where measurement positions are often difficult to capture.

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Heidenhain’s TNC 640 mill-turn has a 3D probing cycle option called Cycle 444. Already equipped with both manual and automatic probing cycles for datum setting, workpiece alignment and inspection, the mill-turn offers this additional 3D probing cycle to meet manufacturers’ increased requirements for automation and advanced probing routines that inspect free form surfaces where measurement positions are often difficult to capture, the company says.

On the surface of each workpiece the contact point is determined by a vector that is normal to the 3D surface. According to the company, the measurement cycle enables the measurement of 3D shapes such as free form surfaces of a mold part, and based on a defined tolerance range along the vector, checks the determined measured values.

A parameter is given for classifying a part as good/rework/scrap. Additionally, the TNC outputs a log file with documented positions and deviations.