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ROBOTIC RESOURCES

Robots are Part of the Solution

Stäubli Robotics

Staubli RobotA Plastics Molder in the Midwest specializes in injection molding, producing around 155 million components a year for the automotive, aerospace, domestic appliance, electrical, electronic and medical markets. They operate an impressive array of 63 Engel molding machines ranging from 40 to 600 tons capacity with specialized needs

They have employed for some time simple Cartesian automation systems on many of their IMMs. However, a demanding insert loading task for an electrical connector component being produced on an Engel 85 vertical IMM required a range of movement outside the capability of the standard pick and place systems. They considered it was time to move into six axis automation.

Staubli RobotThree suppliers of six axis robots were contacted and their products evaluated. Stäubli was selected as the partner to develop the automation for this new system, as they were very impressed with the accuracy and speed of Stäubli’s robots as well as the competitive pricing.

The insert requirement was to load eight terminal pins (two pins from each of four feeder bowls) into the mold. Four inserts into each cavity on a two cavity mold. The placement tolerance was 0.0008” +/-. Cycle time for the molding was 36 seconds during which the robot needed to desprue the molded components and place each component in a specific bin for inspection by the operator, then pick up the eight inserts ready for the next cycle.

Staubli RobotStäubli analyzed the requirements of automating this currently manual operation and recommended two of their RXplastics90L robots and their CS8 controller. They accepted this solution. Their engineers integrated the cell internally, being particularly impressed with the ease of programming the robot using the PC based CS8 controller. Stäubli’s Plastics package comes complete with SPI hardware allowing direct connection to the IMM, reducing considerably the time needed for integration.

The first installation took place in Spring 2004 and has performed well, achieving all of the targets on speed and quality they had set. Their appreciation of the success of the Stäubli system has been confirmed with follow on orders being placed for more six axis robots.

 

For additional information, please contact
Marketing Manager
Stäubli Corporation - Robotics Division
201 Parkway West
Duncan, SC 29334
USA
Tel. 864-433-1980
Fax. 864-486-5497
robot.usa@staubli.com

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