NSK Nakanishi Planet Series High-Speed Air Jig Grinding Spindles

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Production of these Planet or PL series spindles has been discontinued as of June 2010.
The NSK PL Planet series are small, compact spindles that can transform a standard milling machine, etc. into a jig grinder by simply attaching a boring head along with the appropriate PL series spindle. On a lathe, these grinding heads can be used as a precision internal grinder. Special high-speed ball bearings withstand long continuous hours of operation. These spindles exhibit excellent performance for a relatively low cost. Available in four models, each with a particular top end speed rating.

CAUTION - The Planet series spindles are designed to operate smoothly at high speeds for long hours of continuous grinding when coupled with an appropriately adjusted air line kit (filter/regulator/micro-mist oiler). We highly recommend using the manufacturer's air line kit, as this item includes a special micro-mist (atomizing) lubricator not usually found on most commercially available air line kits. Use only the manufacturer’s recommended spindle lube oil – Chevron Superla 9. 

Click to download catalog describing
Planet PL Spindle Systems
(pdf - 1.39MB)
Call or email should you need service or parts for any of these Planet series spindles.