Siemens SINUMERIK 840D

Job planning
Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0
9-1
Path traversing behavior
9
9.1 9.1 Tangential control (TANG, TANGON, TANGOF, TANGDEL)
Function
The following axis follows the path of the leading axis along the tangent. This allows
alignment of the tool parallel to the contour. The tool can be positioned relative to the tangent
with the angle programmed in the TANGON statement.
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Applications
Tangential control can be used in applications such as:
• Tangential positioning of a rotatable tool during nibbling
• Follow-up of workpiece alignment for a bandsaw (s. illustration).
• Positioning of a dressing tool on a grinding wheel
• Positioning of a cutting wheel for glass or paper working
• Tangential feed of a wire for 5-axis welding.