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HELLO ! ROBOTICS ( Automation for Plastics Injection Molding )

HELLO ! ROBOTICS ( Automation for Plastics Injection Molding ). HYROBOTICS CORP. St.Louis SPE Meeting : 11/13/2006. SAM LEE. Contents. General Molding Process. Horizontal Injection Molding Process. Robot Application Inside of the Mold. Robot Application Outside of the Mold.

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HELLO ! ROBOTICS ( Automation for Plastics Injection Molding )

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  1. HELLO ! ROBOTICS( Automation for Plastics Injection Molding ) HYROBOTICS CORP. St.Louis SPE Meeting : 11/13/2006 SAM LEE

  2. Contents • General Molding Process. • Horizontal Injection Molding Process. • Robot Application Inside of the Mold. • Robot Application Outside of the Mold. • Simple Robot Programming. • Full Servo Robot Programming. • Molding Machine and Robot Interface. • Automation Video Samples. • Conclusion.

  3. Technical data General Molding and Process The word “ Plastic” means substances which have plasticity , and accordingly anything that is formed in a soft state and used in a solid state can be called a plastic. The main plastics forming methods are shown as belows Plastic Molding Process Extraction Molding Injection Molding Blow Molding Machines Vacuum forming Pressure Forming Inflation Process Calendar process Compression molding Transfer Molding . . . Rotational Molding Machines ( Pipe, etc ) ( Bucket, Case, Box etc ) Container, Bottle Package for egg ( thin film products) Suitcase ( Thick film products) Bottle, Doll Vertical Injection Molding Horizontal Injection Molding MOST POPULAR INJECTION PROCESS Size ( Tonnage ) 30 50 80 100 120 150 200 250 350 450 550 650 750 850 1000 1200 1300 2000 3000 4000

  4. Horizontal Injection Molding Process

  5. Technical data Robot Applications inside of the Mold Two Plate Mold Three Plate Mold Insert Operation Sprue Picking Only Parts Removal and 90 Deg flip and Insert one insert in the mold, Sprue picking. Sprue Picking with Part Dropping One arm removes the part, the other picks the sprue Sprue and Parts Removal Sprue Picking with products connected Parts Removal and 90 Deg flip and Insert multi insert to the mold, Sprue picking. Part Removal Sprue and Part Removal at the same time ( Double Arm ) In Mold Label, Space Limitation, Core, Etc. Part removal with the sprue or without the sprue

  6. Technical data Robot Applications outside the Mold Simple Operation Deburr and stacking Insert Operation Taking out the Sprue from the mold and dropping it. ( Inside of the mold, Conveyor , Box ) Remove the parts from the mold place on the deburr station and move it to conveyor Pickup the inserts from the loading station ( Parts feeder or table ) remove product, insert the inserts in the mold , and place the products on the conveyor. Sprue and Parts Removal at the same time ( Double Arm ) In Mold Label. Inspection. Remove Parts, 90deg Rotation and Placing the parts ( Conveyor, Box) Place the parts directly in boxes on the stacker

  7. Robot Programming for Plastics Molding Summary • Motion Selection. ( Choose Number ) • TOPIII, Old Generation Robot • Mode Selection. ( Pick the option is in each mode ) • TOPIV, HIT, VECT, MACH Series Robot • Step Motion ( Add Position / Motion ) • NEXIA, HYBRID Servo Robot • Fully Programmable or Custom made Program • Articulated Robots.

  8. Simple Robot Programming 1 ! Mode Selection. Pick Operation Arm : Double arm or Single Arm Descent Position : Nozzle or Clamp Motion Style : U or L Operation : Vacuum, Chuck, Gripper Release : In Mold, Conveyor, Grinder Robot Interface From IMM to Robot • Mold Open Complete • Injection or Mold Close • Full Auto • Safety Door Closed From Robot to IMM • Robot is Clear ( Mold Open/Close Interlock ) • Robot is in Eject Position ( Ejector Interlock ) Others • E-Stop, Conveyor, Reject Signal,Etc

  9. Sub Arm T6 Main Arm T5 T1 T4 T8 T3 Ejector T7 T11 Conveyor Simple Robot Programming 2

  10. ⑥ ⑤ ① ⑥ ② ④ ③ ⑦ Full Servo Robot Programming . 4 Safety Position we can’t change. • Waiting Position • Parts take out position • Robot Clear Position • Release Position Add Position / Motion • Add Any Position and Motion in addition of 4 Safety Point • Insert grip ( Stack Insert Gripping ), Horizontal, Vertical. • Chuck 45 Deg Chuck Rotation with Servo Wrist. ( Core ) • Insertion and part take out • Inspection or De-burring • Reject or Stacking ( Horizontal, Vertical ) • Other automation. Additional Robot Interface • Core Control, Inspection Start / End , Insert loading, ready, Stacking Ready. ( Extra input / output )

  11. Robot Interface • Without SPI • Mold Open Complete, Safety Door Close, Injection, Full Auto. • Robot is Clear, Ejector Interlock, Core, • European Molding Machine ( x ), Asian Molding Machine ( Ok ) • SPI ( Euromap 12, 62 ) • 16 pin for IMM, 16 pin for Robot • Total 32 Pins ( Male / Female) • Euromap 67 • 25 pin for IMM, 25 pin for Robot • Total 50 Pins ( Male / Female)

  12. AUTOMATION VIDEO

  13. Conclusion • Consistency • Fast Cycle time • Parts Quality • Less Labor Cost ( No Break, Lunch, Restroom ) • Safety Issue. ( OSHA ) • 2nd Automation ( De-burring, Stacking, Packaging ) • 24 Hour Operation • Tougher, Precision Jobs ( Insert Molding, Heavy ) Automation Step Recommendation 1. Simple Automation first with Picker, Hybrid and then Full Servo Robot 2. Select good mechanically / electronically inclined employee and train them for Future Automation. 3. Use full servo robot when it ready

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