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When a design calls for rotation under load, the actuator choice usually gets made too early — a part number gets picked before the application is fully understood. Here are the five questions we walk through with every OEM before quoting a SungJi Hydraulics rotary actuator.
1. What torque — and when?
Peak torque, working torque, and breakaway torque are three different numbers…
2. What does the duty cycle really look like?
3. How is it mounted, and what do the side loads look like?
4. What environment does it live in?
5. Does it have to hold position?
Have an application in mind? Talk to an engineer — we size actuators for a living.