1. "Degrees of Freedom"
Degrees of freedom refers to the number of independent axes of motion that a robot has. The robot's degrees of freedom are designed according to its purpose, and it takes six degrees of freedom to describe the pose of an object in three-dimensional space, and the robot's degrees of freedom can be less than six or more.
Most robots are generally an open-chain mechanism, but they may include a local closed-loop mechanism that increases rigidity, but limits the range of motion of the joints and reduces the working space.
2. Positioning accuracy and repeated positioning accuracy
The accuracy of the robot that we often talk about refers to the positioning accuracy and repeated positioning accuracy of the robot. Positioning accuracy: The difference between the actual arrival position of the robot's hand and the target position. Repeatability: The ability of a robot to reposition its hand at the same target position, which can be expressed as a statistic called standard deviation.
3. The "working range" is the working area of the robot, the set of all points that can be reached at the end of the robot arm or the center of the wrist. The shape and size of the working range are very important, and when the robot is performing a certain job, it may not be able to complete the task due to the presence of a dead zone that cannot be reached by the hand.
4. The maximum working speed usually refers to the maximum speed at the end of the robot arm, the working speed directly affects the work efficiency, and the work efficiency can be improved by increasing the working speed, so the acceleration and deceleration ability of the robot is particularly important, and the smoothness of the robot acceleration and deceleration needs to be ensured.
5. The maximum mass that the load-bearing robot can withstand in any position within the working range. The robot load depends not only on the quality of the load, but also on the magnitude and direction of the robot's running speed and acceleration. Carrying capacity refers to the carrying capacity at high speed operation, and the carrying capacity should not only consider the load, but also the quality of the robot end operator.
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Brief introduction:
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23. Universal Robots' robotic arms have a very common shape, what is its special planning concept?
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What are the advantages and disadvantages of Universal Robots compared to traditional industrial robots?
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[Photo: Universal Robots Denmark ...
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