Siemens Sinumerik 802D sl Programming Manual

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Contents

Enhanced Level Commands4.1 Program support functions (1)04.074-116 © SIEMENS AG 2007 All rights reservedSINUMERIK 802D sl/840D sl840D/840Di sl/840Di/810D ISO Turning -- 04.07 EditionNote1. The appearance of X (U) and X (W) determine the meaning of the data speci-fied by address P, Q, and R.2. Through the G76 command with X (U) and Z (W) specification cycle machiningis performed. One edge cutting is performed and the load on the tool tip is redu-ced when this cycle is applied.The amount of cutting per cycle is kept constant by assigning the cutting depthΔd to the first path, and Δdn to the nth path. Corresponding to the sign of eachaddress, four symmetrical sectors are considered here.3. The notes on thread cutting are equivalent to those on G32 for thread cuttingand G92 for the thread cutting cycle.ExamplesG76 P011060 Q100 R200 ;G76 X60640 Z25000 P3680 Q1800 F6.0 ;Multiple thread cutting cycle (G76)105X axisZ axis0∅68 ∅60.641.82561.8 3.68Fig. 4-30 Multiple thread cutting cycle (G76)