Can this be fabricated without a 5 axis CNC?

The material is Aluminum.

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Could a 3 axis CNC Mill with a ball end mill do something this Tight?

Could one lap the joint between collar and the throat before curtting the cooling slots?

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With a ball endmill doing 3d machining you can't get a sharp inside corner and you can't machine any surfaces more than 90 degrees from the horizontal. But by mounting the part on a 4th axis indexer, surfaces at any angle can be machined. These parts look like they should be turned on a cnc lathe first and then milled.


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