Case Study # 1 - Medical: Biopsy Jaw

Medical Equipment Case Study: Biopsy Jaw, Engineering and Contract Manufacturing Sales, Moore Technology, Indianapolis, Indiana, Serving Industry Since 1990

This case study illustrates how improve your manufacturing processes with state-of-the-art methods like Metal Injection Molding (MIM) rather than more costly procedures, such as Electrical Discharge Machining (EDM).
 

	Biopsy Jaw

Application: Biopsy Jaw (two different shapes)

• Used to retain small tissue samples for pathology
   
• 17-4PH SS used in “as sintered” condition (a method for making objects from powder by heating the material [below its melting point] until its particles adhere to each other.)
   

Problem: Customer had used an expensive EDM process to achieve critical, complex and final geometry necessary for a very small precision part.

• Tight tolerances (+/- .0005 to +/- .002 -.0000) were necessary for proper fit, form and function for these mating parts in final assembly
   
• EDM was very costly and made the application, as a disposable item, prohibitively expensive
   

Our Solution: We suggested Metal Injection Molding be used to manufacture these high precision blanks:

• Our process would incorporate almost all of the critical features and geometry
   
• A secondary operation was developed to add one attribute at the customer's facility, a “dead sharp “on the edges of the jaw, before final assembly
   
• Special small scale handling techniques were developed to protect the integrity of the part
   

Results: The MIM manufacturing process enabled our customer to strengthen his position in the market to supply high quality precision components with all of the economies of state-of-the-art manufacturing techniques built in.
 

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