Siemens SINUMERIK 840D sl Operating Manual

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Contour element "End"The data for the transition at the contour end of the previous contour element is displayed inthe "End" parameter screen.The values cannot be edited.10.3.5 Entering the master dimensionIf you would like to finish your workpiece to an exact fit, you can input the master dimensiondirectly into the parameter screen form during programming.Specify the master dimension as follows:F "F" identifies that a master dimension follows, i.e. in this case, a hole.Example: F20h7Possible tolerance classes:A, B, C, D, E, F, G, H, J, T, U, V, X, Y, ZUpper-case characters: HolesLower case letters: ShaftsPossible tolerance qualities:1 to 18, if they are not restricted by DIN standard 7150.Fit calculatorA fit calculator supports you when making entries.Procedure1. Position the cursor on the desired entry field.2. Press the <=> key.The calculator is displayed.3. Press the "Fit shaft" or "Fit hole" softkey."F" (for hole) or "f" (for shaft) is automatically inserted in front of the entryfields for diameter or length data, tolerance class and tolerance quality.4. Enter the diameter or length value in the first field.5. In the second field, select the tolerance class and in the third field, enterthe tolerance quality.6. Press the equals symbol on the calculator.- OR -Programming technology functions (cycles)10.3 Contour turningTurningOperating Manual, 05/2017, A5E40868721 393