Siemens SINUMERIK 802D sl Manual de servicio descargar pdf (Pagina 79)

Manual machining

5.4 Manual machining using cycles (functions)

Manual Machine Plus Turning

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

Parameter

Parameter Description

Reference z0 Start position for the thread in the longitudinal axis (absolute position of the Z axis).

Thread length l Enter the length of the thread to be created, taking the start position for the thread

("Reference z0") as the starting point. The thread cutting direction is selected by pressing

the "Feed direction" softkey and is indicated in the diagram by means of an arrow. The

choice of whether to produce a left-hand or a right-hand thread depends purely on the

starting direction for the spindle.

Diameter Start d1 Start position for the thread in the transverse axis (absolute position of the X axis in the

diameter). This value applies in the reference point.

Diameter End d2 End position for the thread in the transverse axis (absolute position of the X axis in the

diameter).

Lead s Enter the required pitch in mm/rev.

Depth t This parameter is used to set the thread depth. The infeed direction and infeed depth

depend on other parameters ("Intern Extern." and "Linear Degres." softkeys; "Angle"

parameter).

Note:

If the value of the displayed machine date 1108 equals 1 (requirement for automatically

calculating the thread depth) and the input field "t" equals 0, then the thread depth "t" will be

automatically calculated and entered when you enter the pitch value.

The following applies to all male threads:

• a thread pitch of 1 mm results in a thread depth of 0.613 mm

The following applies to all female threads:

• a thread pitch of 1 mm results in a thread depth of 0.541mm

The thread depth is adjusted according to an increase or reduction in the pitch value.

Infeed angle w Infeed angle; this specifies the angle of infeed during machining. A negative value causes

an alternating infeed.

Max. infeed depth

Min. infeed depth

m1 Enter here the maximum or minimum infeed depth for roughing. The cycle-internal infeed

calculation ensures that this entry value is not exceeded or falls short during thread cutting.

Input of a minimum infeed depth is possible only with degressive infeed.

Note:

The input field for the minimum infeed depth is displayed only if you have selected

"Degressive infeed".

Finishing

allowance

m2 Finishing allowance

Longitudinal internal thread/

longitudinal external thread/

face thread/

taper external thread/

taper internal thread

In this toggle field you can select whether an internal or an external thread is required. The

selection is indicated by a diagram on the screen.

To chuck/

From chuck

You can select the machining direction of the thread using this toggle field.

1 2 ... 74 75 76 77 78 79 80 81 82 83 84 ... 129 130

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