Entering The Master Dimension - Siemens sinumerik 840D sl Operating Manual

7.4.5

Entering the master dimension

If you would like to finish your workpiece to an exact fit, you can input the master dimension
directly into the parameter screen form during programming.
Specify the master dimension as follows:
F<Diameter/Length> <Tolerance class> <Tolerance quality>
"F" identifies that a master dimension follows.
Example: F20h7
Possible tolerance classes:
A, B, C, D, E, F, G, H, J, T, U, V, X, Y, Z
Upper case letter: Holes
Lower case letters: Shafts
Possible tolerance qualities:
1 to 18, if they are not restricted by DIN standard 7150.
Procedure
Turning
Operating Manual, 07/2010, 6FC5398-8CP40-0BA0
1. Position the cursor on the input field of a parameter screen form.
2. Enter the axis dimension and press the <INPUT> key.
The control system automatically calculates the mean value from the
upper and lower limit value.
3. If you would like to input a lowercase letter, highlight the input
uppercase letter with the cursor and press the <SELECT> key.
4. Press the <SELECT> key again, an uppercase letter reappears.
Creating a ShopTurn program
7.4 Basic information
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