CNC Machined 6061 Aluminum Shutter Wheel for the Lithography Industry
Jurman Metrics, Inc. manufactures this intricately featured threaded and toothed 6061 aluminum spoke piece, used within a lens application in the spectroscopy. We use several machining processes and two machines to achieve the finished part: CNC turning on our Hardinge Lathe, followed by CNC milling on our Hyundai Vertical Machining Center. The CNC machining process is carried out as follows: the aluminum blank is CNC turned to the proper diameter, 2.515", on the lathe, and then the teeth shapes are CNC milled around the outside diameter, the eight interior holes are milled with a diameter of .504", the raised steps are machined, and two small holes are drilled and tapped. The varying height in the steps, the internal and external milled features, and the non-uniform teeth shapes make this a perfect example of our precision CNC machining capabilities. For more information, please contact Jurman Metrics today.

Specifications
| Product Description |
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This Shutter wheel is used within a lens application for the Lithography Industry |
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| Capabilities Applied/Processes |
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CNC Turning |
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| Equipment Used to Manufacture Part |
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Hardinge Lathe Conquest T42 Part is milled and finished in a Hardinge Quest 8-51 equipped with live tooling, X, Y, Z axis and a sub spindle. |
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| Overall Part Dimensions |
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Diameter: ø2.515" 8 Holes: ø.504" M2.5 |
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| Tightest Tolerances |
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+- .01mm .0005 in |
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| Material Used |
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6061 Aluminum |
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| Max Material Finish |
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Black Anodize "ROHS" certified |
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| Typical Machining Operations |
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CNC Turning: Blank is turned on T42 Lathe to go on to the 8-51 lathe. CNC Turning with live tooling: Teeth are Milled to outer profile 8 holes are machined into blank Spokes are machined into Blank Two Holes M2.5 are drilled and tapped. Two holes on outer ring point are drilled and qualified. |
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| In process testing/inspection performed |
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Hole gauging though and threaded, profile checked with optical comparator and CMM. |
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| Estimated Part Weight |
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6 gr |
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| Industry for Use |
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Lithography |
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| Delivery Location |
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Veldhoven, Nederland |
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| Standards Met |
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Customer supplied print, 2D CAD Drawing |
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| Product Name |
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Shutter Wheel |

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