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Hydraulic robots are more complex than electric drive robots, so they are generally heavier and more expensive. They also may have sticking friction issues that can result in uneven or halting motion in some very slow-moving applications where the weight or force of the payload is low. In many applications they are among the most powerful, well controlled manipulators. If they are used where hydraulic fluid power is already available so they needn't include a hydraulic power supply, the cost and complexity weaknesses don't apply.

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15y ago

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