Heidenhain iTNC 530 (340 420) Manuel d'utilisateur télécharger pdf (Page 358)

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330 8 Programming: Cycles

8.8 Cycles for Multipass Milling

RUN 3-D DATA (Cycle 30)

1 From the current position, the TNC positions the tool in rapid

traverse FMAX in the tool axis to the set-up clearance above the

MAX point that you have programmed in the cycle.

2 The tool then moves in FMAX in the working plane to the MIN

point you have programmed in the cycle.

3 From this point, the tool advances to the first contour point at the

feed rate for plunging.

4 The TNC subsequently processes all points that are stored in the

digitizing data file at the feed rate for milling. If necessary, the TNC

retracts the tool between machining operations to set-up

clearance if specific areas are to be left unmachined.

5 At the end of the cycle, the tool is retracted in FMAX to set-up

clearance.

U PGM Name 3-D data: Enter the name of the file in which

the data is stored. If the file is not stored in the current

directory, enter the complete path.

U Min. point of range: Lowest coordinates (X, Y and Z

coordinates) in the range to be milled

U Max. point of range: Highest coordinates (X, Y and Z

coordinates) in the range to be milled

U Set-up clearance 1 (incremental value): Distance

between tool tip and workpiece surface for tool

movements in rapid traverse

U Plunging depth 2 (incremental value): Infeed per cut

U Feed rate for plunging 3: Traversing speed of the

tool in mm/min during penetration

U Feed rate for milling 4: Traversing speed of the tool

in mm/min while milling.

U Miscellaneous function M: Optional entry of a

miscellaneous function, for example M13

Example: NC blocks

64 CYCL DEF 30.0 RUN 3-D DATA

65 CYCL DEF 30.1 PGM DIGIT.: BSP.H

66 CYCL DEF 30.2 X+0 Y+0 Z-20

67 CYCL DEF 30.3 X+100 Y+100 Z+0

68 CYCL DEF 30.4 SETUP 2

69 CYCL DEF 30.5 PECKG +5 F100

70 CYCL DEF 30.6 F350 M8

Before programming, note the following:

You can use Cycle 30 to run conversational programs and

PNT files.

If you want to run PNT files in which no tool axis

coordinate is programmed, the milling depth is derived

from the programmed MIN point in the tool axis.

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Heidenhain iTNC 530 (340 420) Manuel d'utilisateur Page 358

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