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Concise description

A special software was developed for controlling robots when picking up objects. A 3D camera from SICK provides important data of object measurement and coordinates for this.

Task

Euclid Labs based in Spresiano, Italy, planned to develop software (Pick 3D), which supports the robots in picking up randomly arranged parts. 3D images of the containers and the parts lying inside were required for this. These images were be used to identify the position and alignment of the objects which are to be picked up. After picking the object up, the robot was to be able to transfer it to another machine or machine it itself.

Furthermore, the software was to simulate the robot cell in a 3D environment in order to avoid collisions with containers. For 3D image generation, Euclid Labs looked for a system which is able to quickly and flexibly provided the information required.

Implementation

The 3D camera provides important measurement data and coordinate information for the software which supports the random bin-picking of objects by a robot.

Euclid Labs chose the Ruler E 3D camera from SICK. It serves as an extremely fast source of data for recording the size and position of containers and the objects they contain. In this way it is able to quickly and reliably transmit data regarding the position and alignment of the objects. It is characterized by its high level of flexibility, meaning that the software Euclid Labs can be used in the most varied robot applications, such as when machining sheet parts using presses, sheet metal bending machines or on assembly robots.

The Ruler E 3D camera measures independently of object height and color. The integrated light source and factory calibrated 3D data enables it to provide exact measurement values in the millimeter range straight away. In addition to fast 3D measurements, the camera also evaluates grayscales and laser scatter.

An additional benefit is that it is designed for use in a harsh industrial environment, meaning that it is particularly suitable for cold areas up to -30 °C or extremely dirty areas.

Together with the Ruler E 3D camera, the Euclid Labs software was able to meet the industrial requirement that the robot pick up the object in less than eight seconds. It was also possible to simulate the robot cell in a 3D environment to check for possible collisions and to avoid them.

Customer benefit

  • High level of flexibility with parameter-controlled measurements for a variety of application demands
  • Extremely fast source of data ensures precise object recognition
  • Highly robust to increase machine availability
  • Simple installation saves time and costs

    The integration of the 3D camera in the Euclid Labs software has really proven its worth. Previously, the end customer had to sort and arrange a large amount of randomly positioned parts before they could be picked up by the robot. Now, the customer is able to save time because the Ruler E 3D camera transmits data regarding to position of the part to be picked up, enabling the robot to automatically reach for it. Preventing collisions also reduces costs and work time.

  • High level of flexibility with parameter-controlled measurements for a variety of application demands
  • Extremely fast source of data ensures precise object recognition
  • Highly robust to increase machine availability
  • Simple installation saves time and costs
  • Application
    Industry: Machine tools
    Challenge: Automated handling
    Product group: 3D vision
    Reference customer: Euclid Labs
     

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