Dr. L.K.Gaafar

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The American University In Cairo
Department of Engineering Mechanical Engineering
Unit
Dr. L.K.Gaafar
MENG-439 12/3/2001
Powder Injection Molding
BY Ahmed Reda Mohamed Nabil
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Outline
I Process Overview II Process
Description III Applications IV Advantages
V Limitations VI Cost
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Overview

• Metal injection molding, between dream and
  reality
• Why P.I.M ?
• Materials involved
• Ferrous Alloys, Non-ferrous Alloys,
  Ceramics
• Equipment used

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Process Description
Mixing
Finished Product
Sintering
Injection
Debinding
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Applications
Case Study1 Thread Looper
Case Study2 Barrel Block
Problem numerous machining and polishing
operations Solution PIM
Problem many sequential traditional processes to
finish the part Solution PIM
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Case Study4 Needle Carriers
Case Study3 Biopsy Jaw
Problem EDM is costy Solution PIM
Problem too intricate to deal with Solution PIM
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Advantages
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• Limitations
• Time length for production
• - ranges from 3 to 5 days
• - Reasons
• - Solutions
• Process limited to small sizes

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Cost
10
Thank you for listening