Do you know the difference between mechanical arm and industrial robot?

Date：

2022-08-30

We always think that industrial robots and mechanical arms are the same, but in fact, they are two different things. They are different in many aspects, and they cannot be confused.
Definitions and Relationships
The mechanical arm is a mechanical device, which can be automatically or manually controlled;
Industrial robot is defined according to ISO 8373, and it is an automatic equipment that realizes various functions by relying on its own power and control ability. Industrial robots have many forms, including mechanical arms. Therefore, there are many reasons for their intersection, mainly because the mechanical arm is a kind of industrial robot.
[Different working principles]
The mechanical arm is a fixed or mobile machine. Its structure is composed of a series of interconnected or relatively sliding parts, which can grasp or move objects to achieve automatic control, repeated programming, multiple degrees of freedom and other operations;
Industrial robot is a kind of machine device that realizes various functions by relying on its own power and control ability. It can work under command, or according to the content arranged in advance by the application, or according to the artificial intelligence technology.
[Different application scenarios]
The mechanical arm is the most widely used mechanical device in the robot field, which is suitable for industrial, medical, military and space fields;
Industrial robots are more likely to assist or replace human work, especially those that are highly repetitive and dangerous. For example, a vacuum robot is a robot working in a vacuum environment, which is mainly used in the semiconductor industry to realize the transmission of wafers in the vacuum chamber.

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Differences between industrial robots and mechanical arms

2022-08-30

·Robots are mainly divided into series structure and parallel structure: Parallel robots (PM) are mostly used in situations that require high stiffness, high precision, high speed and no large space, specifically used in sorting, handling, simulation of motion, parallel machine tools, metal cutting, robot joints, spacecraft interfaces, etc; The serial robot and the parallel robot form a complementary relationship in application. The workspace of the serial robot is large, and the coupling effect between drive shafts can be avoided. However, each axis of the mechanism should be controlled independently, and encoders and sensors are required to improve the accuracy of motion.

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