EWM L1.01-Expert 2.0 Operating Instructions Manual page 47

5.6.5 WPQR welding data assistant
The cooling-down time from 800°C to 500°C essential for the welding result (known also as t8/5 time) can
be calculated using the input data in the WPQR welding data assistant. Prerequisite is the prior determi-
nation of the heat input. Upon input of the values, the valid t8/5 time is displayed with a black background.
Menu item/parameter
Weld length:
Welding speed:
Thermal efficiency:
Heat input:
Preheating temperature:
Material thickness:
Weld seam factor:
Transition thickness:
t8/5-time:
099-00L100-EW501
4.7.2019
Operating the machine control
Value Comment
1.0-999.9 cm
1.0-
999.9 cm/min.
10-100%
kJ/mm
0-499 °C
1.0-999.9 mm
0.01-1.5
mm
s
Welding task administration (Menu)
47