Siemens Sinumerik 840D Operating Turning page 552

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5.6.2 Inserting a subprogram into the main program

In the operating area "Program" and operaring mode

"JOG", "MDA" or "AUTO" press the HSK 1.6

Press the VSK 1.6 "Subprogram".

The subprogram window opens.

Optionally change the graphic view on the blank by

pressing the VSK 2 "Graphic view".

Enter the path to the subprogram file into the "Path/

workpiece" input field and the name of the subpro-

gram into the "Program name" input field.

Confirm your inputs by pressing the VSK 8 "Accept"

or abort by pressing the VSK 7 "Cancel".

A new sequential program block "Execute" is in-

serted into the work plan (alike the picture below).

5.7 HighSpeed settings

With the machining of free form surfaces, there are high demands on ma-

chining speed, as well as accuracy and surface finish.

The optimal speed in conjunction with the machining method (roughing,

prefinishing, finishing) can be adjusted easily with the function "HighSpeed

It is advisable to program the cycle in the technology part first, before pro-

gramming the geometry part.

With the function "HighSpeed settings" you can select from 3 different

technological machining methods:

"prefinishing"

"deselect" (default setting)

In CAM Software in the HSC area, the four machining methods directly

have an effect on the accuracy and velocity of the path contour (see the

upper help picturen on the next side).

The operator/programmer can make an appropriate weighting by changing

the tolerance value.

Different tolerance values and technologies can be assigned to the four

machining methods.

840D/828D SINUMERIK Operate

Sinumerik 828d