The redesigned one-piece magnesium enclosure (right) houses vital components in its application within the projector (left).
developments also improved dimen- sional accuracy and cut the compo- nent’s weight 8%.
Seeking Out Suppliers Trough past experience and
education, Christie’s engineering department includes experts with casting experience to help identify potential candidates for the manu- facturing method. Once a part is identified as a potential casting (or a redesigned casting), Christie’s purchasing department tries to identify metalcasting facilities from its current qualified supplier list. If one cannot be found, Christie then begins its search with existing indus- try knowledge, internal and external research and trade publications. When pursuing a new supplier,
Christie takes a number of steps in identifying and selecting potential metalcasting facilities, including: • Researching firms via available public data, Dun & Bradstreet reports and internal supplier questionnaires.
• Visiting and auditing vendors’ capabilities, financial health, industries served and business
30 | MODERN CASTING February 2015
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