Mechanical characteristics

Introduction to the Main Features of Machinery

The definition of machinery first came from mechanical engineering, which is a combination of human-made physical components, mainly using energy to achieve a specific purpose. Generally, there are movable objects in machinery.

In a broad sense, machinery is a device or equipment that uses energy to achieve a specific purpose, and does not necessarily meet the above definition. For example, electrical machinery includes motors, generators, and transformers, and transformers have no moving parts. And the molecular motor myosin in muscle does not meet the definition of artificial physical components.

Machinery is a combination of artificial physical components. There is a certain relative movement between the parts of the machine. In addition to the features of a mechanism, a machine must also have a third feature that can replace human labor to complete useful mechanical work or convert mechanical energy, so the machine can convert mechanical energy or complete useful mechanical work. From the point of view of structure and movement, there is no difference between mechanism and machine.

The characteristics of the machine are:

  1. Machinery is a combination of man-made objects, not natural ones;
  2. There is a definite relative movement between each part of the machine.
  3. Mechanical energy replaces human labor. Machines are mechanisms that can convert mechanical energy or perform mechanical work.
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