HEIDENHAIN TNC 407 (243 020) Technical Manual - Manual (Page 126)

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TNC 407/TNC 415/TNC 425 1 Machine axes 4-1
4
Machine integration — Contents
1 Machine axes 4-6
1.1 Measuring systems 4-6
1.1.1 Signal period 4-6
1.1.2 Direction of traverse 4-8
1.1.3 Measuring system monitoring 4-9
1.2 Axis designation 4-12
1.2.1 Assignment 4-13
1.2.2 Current tool axis 4-14
1.3 VDU display 4-14
1.4 Traverse ranges 4-16
1.5 Lubrication pulse 4-19
1.6 Axis-error compensation 4-23
1.6.1 Backlash compensation 4-23
1.6.2 Compensation for reversal errors in circular motion 4-24
1.6.3 Linear axis-error compensation 4-26
1.6.4 Non-linear axis error compensation 4-27
1.6.5 Temperature compensation 4-32
1.6.6 Stiction 4-33
1.7 PLC positioning 4-35
1.8 PLC axes 4-38
1.9 Swivel axes 4-41
1.9.1 "Tilt working plane" function 4-41
1.9.2 Five-axis NC programs with swivel axes 4-48
1.10 Synchronized axes 4-49
1.10.1 Synchronization control 4-50
1.10.2 Conventions 4-51
2 Reference marks 4-52
2.1 Passing over the reference marks 4-53
2.1.1 Measuring systems with distance-coded reference marks 4-54
2.1.2 Measuring systems with one reference mark 4-58
2.1.3 Linear measurement via rotary encoder 4-60
2.2 Machine datum 4-63
3 Servo positioning of the NC-axes 4-65
3.1 The position control loop of an NC-machine 4-65
3.2 Servo positioning in TNC controls 4-66
3.2.1 Control with servo lag 4-66
3.2.2 Control with feed precontrol 4-74
3.3 Offset adjustment 4-77
3.3.1 Offset adjustment by code number 4-77
3.3.2 Automatic cyclical offset adjustment 4-77