Automated inspection

Inspection is a quality control process that is concerned with the checking or testing of work parts against the certain conditions described by the design engineer. Inspection is performed in both incoming raw work parts and as well as finished work parts.

Another quality control operation that is related with inspection function is the Testing. It helps in checking whether the work part is operating correctly in the work cell. Additionally, it involves environment testing, fatigue testing, and other similar methods.

Robots are capable of performing the inspection function with the help of other pieces of equipment such as:

  • Machine vision systems
  • Robot manipulated inspection or testing equipment
  • Robot loading and unloading process with automated test equipment

Machine vision systems:

A machine vision system is one of the most widely used inspection operations in the industrial robotics. It helps in examining the two-dimensional images by extracting the certain image features. It is implemented to inspect the work partís surface finish, accuracy, and precision. In these processes, a robot can be useful in controlling the vision system or delivering the work parts to the vision system at the appropriate position.

Robot manipulated testing equipment:

Robot manipulated testing equipment is concerned with the moving of a robotís inspection device around the work part. This inspection method can be possible when the accuracy of the measurement does not go pass the repeatability of the robot.

Example: A robot controls an inspection probe along the work partís surface for measurement purposes.

Robot loading and unloading with automated test equipment:

The operation of this inspection method is almost similar to the machine tool loading and unloading functions. Robot loads several inspection devices like electrical, pneumatic, and mechanical gauges, and as well as functional testing devices.

At first, the robot unloads the finished work part from the machine and loads it into the inspection device for checking the accuracy. If the work part satisfies the specified conditions, then it will be sent to next process. Otherwise, it will be rejected.

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