Plunge-Cutting (Cycle952) - Siemens sinumerik 840D sl Operating Manual

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Allowance for pre-finishing - (only for ∇∇∇)

Compensation allowance in X and Z direction (inc) – (only for allowance)

Set machining area

Set machining area limits

Machine relief cuts

Insertion feedrate, relief cuts

Plunge-cutting (CYCLE952)

The "Grooving" function is used to machine grooves of any shape.

Before you program the groove, you must define the groove contour.

If a groove is wider than the active tool, it is machined in several cuts. The tool is moved by a

maximum of 80% of the tool width for each groove.

When grooving, the cycle takes into account a blank that can consist of a cylinder, an

allowance on the finished-part contour or any other blank contour.

Set machining area limits

If, for example, you want to machine a certain area of the contour with a different tool, you

can set machining area limits so that machining only takes place in the area of the contour

you have selected.

Operating Manual, 07/2010, 6FC5398-8CP40-0BA0

U1 contour allowance

Positive value: Compensation allowance is kept

Negative value: Compensation allowance is removed in addition to finishing

XA: 1. Limit XA ∅

2nd limit XB ∅ (abs) or 2nd limit referred to XA (inc)

ZA: 1. Limit ZA

2nd limit ZB (abs) or 2nd limit referred to ZA

Programming technology functions (cycles)

8.3 Contour turning

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Sinumerik 828d