System overview
2.3 Comparison of electric and hydraulic drive systems
Hydraulic Drive
System Manual, 04/2015, 6SL3097-4BA00-0BP1
31
Electric drive with leadscrew
Noise Linear guide noise in opera-
tion
Servomotor and leadscrew
noise in operation
• Possible noise caused by flow
through the valve
• Pump noise of the hydraulic
unit
Acceleration character-
istics
Maximum 45 g Maximum 1 g Maximum 2 g
Drive cooling Absolutely essential Only required at high speeds Required in some cases, only in
Sensitivity to ferromag-
High Low Low
Table 2- 2 Analogy of characteristic values
Flow rate × valve pressure difference
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