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Now here is a sight you don't see very often, 330 Fans, ceramic coated, polished to a lustrous finish, serpentine fan belt pulley installed-Ready for Balancing |
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Here fans are BALANCED to equal 9000 Engine RPM
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Just like Buns in the oven-60 units assembled and ready for packaging
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Hundreds of Ring-Alternator Stands partially CNC machined
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First step machining the Stand: Bottoms are machined flat to a specific depth, 4 mounting holes plus a hole drilled and tapped for the alignment bolt.
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The stand is clamped down by an air vise for quick load and unload. The vise itself is bolted to a 300 lbs. cast iron table. The table has air pockets machined underneath and with a foot operated air valve when activated makes the table super light and floats on air like a feather. Using a piloted countersink cutter makes for effotless alignment and machining.
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Holes are countersunk to a preset depth. When the stand is positioned on top of the engine case, it will expose 1/2" of the original four alternator stand studs. Stand can now be bolted to the case with four nuts and washers, leaving enough clearance for the large aluminum ring.
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We have two identical fixture plates holding six stands each, fitted with steel dowel pins for accurate repositioning in the three vises.
While 6 stands are being machined, the second fixture plate is unloaded and then reloaded with 6 new stands, ready to be machined. It only takes 15 seconds changing the fixture plate, hit the CYCLE START BUTTON and another 6 stands are being machined. |
Here we machine the oil filler extension. Surface the top and machine the internal thread. Again, we have two identical fixture plates for quick loading and unloading the stands.
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