Multiple-Axis Machining | Three-dimensional tool compensation (option 9)
13
HEIDENHAIN | TNC 620 | Conversational Programming User's Manual | 10/2017
579
13.6 Three-dimensional tool compensation
(option 9)
Introduction
The control can perform a three-dimensional tool compensation
(3-D compensation) for straight line blocks. Apart from the X, Y
and Z coordinates of the straight-line end point, these blocks must
also contain the components NX, NY and NZ of the surface-normal
vector.
Further information: "Definition of a normalized vector",
page 581
If you want to carry out a tool orientation, these blocks also require
a normalized vector with the components TX, TY and TZ that
determines the tool orientation,
Further information: "Definition of a normalized vector",
page 581
The straight-line end point, the components for the surface normals
as well as those for the tool orientation must be calculated by a
CAM system.
Possible applications
Use of tools with dimensions that do not correspond with the
dimensions calculated by the CAM system (3-D compensation
without definition of the tool orientation).
Face milling: compensation of the cutter geometry in the
direction of the surface-normal vector (3-D compensation with
and without definition of the tool orientation). Cutting is usually
with the end face of the tool.
Peripheral milling: compensation of the cutter radius
perpendicular to the direction of movement and perpendicular to
the tool direction (3D radius compensation with definition of the
tool orientation). Cutting is usually with the lateral surface of the
tool.
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