Injection molding of abs yspike medical apparatus

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Injection molding of abs y-spike medical
apparatus
ME - 455 Manufacturing of Polymeric Structures

• Hasan Emrah Süngü
• Mine Cüneyitoglu
• EMGE Kollektif Sirketi Elektro Mekanik Gereçler
  Endüstrisi1211 (eski 815). Sokak No 14 Ostim
  OSB
• 06/01/2009

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y-spike medical apparatus
Adapted From http//www.enw.org/images/Crike20Sp
ike,20on20A-bag20mount,202nd20view.JPG

• Producer EMGE Collective Company
• Buyer SASAN Medical Disposable Products Inc.
• Intravenous solution transfer apparatus
• Also used in dialysis machines

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Abs properties

• Raw Material LG HI121 from LG Chemicals Ltd.
• Chemical resistance to acids, alkaline
  solutions, hydrocarbons and oils
• No toxic materials
• Shiny appearance
• Economical reasons

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Injection cycle

• Preprocessing Material drying 2 hours
• Injection Cavity filled with plastic 5 s.
• Max Pressure 70 bar, Max Temperature 240C
• Packing, Part Cooling 20 s.
• Melting Barrel backward motion
• Ejection Part removal by operator
• Runner Removal
• Quality Check

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ejection

• Appearance of the Mold
• 8-Runner Balanced Mold
• 4grams per Y-Spike
• Eye Control gt Defect gt Re-Cycle

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Manufacturing issues

• Work order Injection Paremeters vs Observed
  Parameters
• Unitless and Machine Specific Values

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Manufacturing issues

• Length of the ejector pins
• Burning due to injection time
• Confidence of fill at the tip
• Shrinkage of the holes

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Additional comments

• ISO 90012000
• Re-cycling of ABS
• Re-Production
• Adverse effects of environment

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Thank you!