System Characteristics - Yeswelder CUT-55DS User Manual

1.6 System characteristics

1) Duty cycle
Rated duty cycle refers to the percentage of the normal work time of the machine under rated
maximum current holding in the period when taking 10 minutes as a period. The rated duty
cycle of this machine is 35%.Using the cutting machine continuously overrunning the rated load
may lead to overheating of the machine, and frequently using the machine overrunning the rated
load may accelerate the aging of the machine or even burn the machine.
2) Output characteristics
U (V)
2
U
0
0
Q(%)
100
80
60
40
20
0
60
30
Figure 1-4: Duty cycle
External characteristic of maximum output
External characteristic of minimum output
Relationship with ratedload
I
Figure 1-5: Output characteristic curves
5
120 150
90
I(A)
(A)
2