Precision tooling lead screw lubrication-Case Study A manufacturer of diamond cutting tools for ultra-precision and optical manufacturing applications was having lubrication issues with leads screws in their custom-built cutting machines. The screw drive system controls the devicetable so a smooth movement is crucial. The competitor grease was not performing well, there was a ‘stick-slip’ issue with the lead screw making it difficult to precisely locate the cutting head. The competitor grease was not suitable for precision lead screw lubrication and was negatively affecting the cutting tool performance. The competitor grease would also “gum up” after a few weeks, indicating there was a probably a high level of oil separation which contributed towards a relatively short functional life for

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