Siemens SINUMERIK 802D sl Manual de Serviço descarregar pdf (Página 31)

Setting-up

4.3 Setting the workpiece zero

Manual Machine Plus Turning

Programming and Operating Manual, 06/2009, 6FC5398-6CP10-1BA0

4.3 Setting the workpiece zero

Functionality

The “Set the workpiece zero" function can be used to specify the reference point for

machining the workpiece.

Typical application/procedure:

1. Parameterize all the machining steps (cycles) for the workpiece in relation to a “virtual

zero point” (e.g., an end face).

2. Clamping the blank

3. Scratch the relevant surface which corresponds to the "virtual zero point".

4. Use the "Set WO" function, adapt the workpiece coordinate system to the parameterized

machining operation.

Make sure that the axis does not exit from the approached position.

Additional information

The following operations are performed automatically when you select softkey "Set WO":

● The work offset is automatically calculated according to the current axis position in the

longitudinal axis (Z), entered in the NC memory for the basis offset and activated.

● This will also set the position displayed for the longitudinal axis (Z) to 0.000, as this

always corresponds to the workpiece coordinate system.

● If the workpiece zero is reset, the value “0.000” will automatically be entered in the NC

memory for the basic offset. The workpiece coordinate system display will change to

reflect this.

DANGER

Notice: Setting the "workpiece zero" affects the absolute machining position of all

machining steps that have been parameterized in the controller!! -> All machining steps

will now be performed in relation to the zero point that has just been set!!

Setting/resetting the workpiece zero without due care and attention can result in serious

damage to the tool, workpiece or machine!!

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Siemens SINUMERIK 802D sl Manual de Serviço Página 31