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3 technical information, Technical information, Technical information 19.3 – HEIDENHAIN TNC 640 (34059x-02) User Manual

Page 619

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Technical Information 19.3

19

TNC 640 | User's Manual
HEIDENHAIN Conversational Programming | 5/2013

619

19.3

Technical Information

Explanation of symbols

Standard

Axis option

1

Software option 1

2

Software option 2

User functions

Basic version: 3 axes plus closed-loop spindle

Fourth NC axis plus auxiliary axis

or

Short description

8 additional axes or 7 additional axes plus 2nd spindle

Digital current and shaft speed control

Program entry

In HEIDENHAIN conversational and ISO

Nominal positions for lines and arcs in Cartesian coordinates or polar
coordinates

Position data

Incremental or absolute dimensions

Display and entry in mm or inches

Tool radius in the working plane and tool length

Tool compensation

Radius compensated contour look ahead for up to 99 blocks (M120)

2

Three-dimensional tool-radius compensation for subsequent changing
of tool data without having to recalculate the program

Tool tables

Multiple tool tables with any number of tools

Constant contour speed

With respect to the path of the tool center

With respect to the cutting edge

Parallel operation

Creating a program with graphical support while another program is being
run

2

Motion control with minimum jerk

2

3-D tool compensation through surface normal vectors

2

Using the electronic handwheel to change the angle of the swivel head
during program run without affecting the position of the tool point.
(TCPM =

T

ool

C

enter

P

oint

M

anagement)

3-D machining (software
option 2)

2

Keeping the tool normal to the contour

2

Tool radius compensation perpendicular to traversing and tool direction

Rotary table machining
(software option 1)

1

Programming of cylindrical contours as if in two axes

1

Feed rate in distance per minute

Straight line

Chamfer

Circular path

Circle center

Circle radius

Contour elements

Tangentially connected arc