Siemens SINUMERIK 840D sl Operating Manual

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Parameters Description UnitAllowance Allowance for pre-finishing - (only for ∇∇∇)● YesU1 contour allowance● NosU1 Compensation allowance in X and Z direction (inc) – (only for allowance)● Positive value: Compensation allowance is kept● Negative value: Compensation allowance is removed in addition to finishingallowancemmSet machining arealimitsSet machining area limits● Yes● NoXAXBZAZBwith limited machining area only, yes:1. Limit XA ∅2. Limit XB ∅ (abs) or 2nd limit referred to XA (inc)1. Limit ZA2. Limit ZB (abs) or 2nd limit referred to ZA (inc)mmRelief cuts Machine relief cuts● Yes● NoFR Insertion feedrate, relief cuts* Unit of feedrate as programmed before the cycle call10.3.10 Plunge-cutting (CYCLE952)FunctionThe "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 amaximum of 80% of the tool width for each groove.BlankWhen grooving, the cycle takes into account a blank that can consist of a cylinder, an allowanceon the finished-part contour or any other blank contour.RequirementFor a G code program, at least one CYCLE62 is required before CYCLE952.If CYCLE62 is only present once, then this involves the finished part contour.Programming technology functions (cycles)10.3 Contour turningTurning408 Operating Manual, 05/2017, A5E40868721