Siemens SINUMERIK 840D sl Operating Manual

Also see for SINUMERIK 828D Turning: Diagnostic manual Function manual Equipment manual Programming manual Operating manual

Parameter Description UnitParameter selection of intermediate pointThe intermediate point can be determined through position specification or angle.The following combinations are possible - (not for stock removal 1 and 2)● XM ZM● XM α1● XM α2● α1 ZM● α2 ZM● α1 α2XM Intermediate point X ∅ (abs) or intermediate point X in relation to X0 (inc) mmZM Intermediate point Z (abs or inc) mmα1 Angle of the 1st edge Degreesα2 Angle of the 2nd edge Degrees* Unit of feedrate as programmed before the cycle call10.2.3 Groove (CYCLE930)FunctionYou can use the "Groove" cycle to machine symmetrical and asymmetrical grooves on anystraight contour elements.You have the option of machining outer or inner grooves, longitudinally or transversely (face).Use the "Groove width" and "Groove depth" parameters to determine the shape of the groove.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.You can specify a finishing allowance for the groove base and the flanks; roughing is thenperformed down to this point.The dwell time between recessing and retraction is stored in a setting data element.Machine manufacturerPlease also refer to the machine manufacturer's specifications.Approach/retraction during roughingInfeed depth D > 01. The tool first moves to the starting point calculated internally in the cycle at rapid traverse.2. The tool cuts a groove in the center of infeed depth D.3. The tool moves back by D + safety clearance with rapid traverse.4. The tool cuts a groove next to the first groove with infeed depth 2 · D.5. The tool moves back by D + safety clearance with rapid traverse.Programming technology functions (cycles)10.2 RotateTurning352 Operating Manual, 05/2017, A5E40868721