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Case Study

Material Handling, Vision Case Study

Company needs a fully automated robotic system using two cameras to find computer chips and then verify the chip location in the gripper. The gripper then must place the chip in a testing unit and then in the proper bin.

Project Challenges

  • System needs to work on 120 VAC single phase power.
  • Different lighting techniques need to be tested to determine best method for each vision system.
  • KC Robotics must create programs required for several different types of parts. 

KC Robotics Solution

The system includes a 3KVA 120 vac to 230 vac step up transformer that permits operation with 120 VAC incoming power.

This robotic system utilizes a KUKA KR 6 R700 with 2d vision driven with the KUKA VisionTech software, using two cameras to find the chip and then verify the chip location in the gripper. This system detects and properly orientates the presented I.C. product and places it in the supplied testing unit. Once detection unit has evaluated the I.C., the robot places the chip either in the “go” accepted part bin or “no go” rejected part bin.

The Vision system for the camera 1, for locating and picking the chip, uses backplane lighting. The Vision system for camera 2, for inspecting the chip for proper orientation uses a ring light.

KC Robotics wrote programming for several different size chips, allowing one robotic system to provide the same function when the operator changed parts.

Results

Programs for several different parts were created and successfully demonstrated at KC Robotics facility.

KC Robotics,  provided installation at the customer’s facility. Upon completion of installation, the robotic programs were adjusted as necessary to achieve performance equal to that demonstrated at KC Robotics, Inc.’s facility. 

The robotic cell continues to provide a necessary step in the company’s computer chip testing program.