Heavily-loaded slide ways require increased lubrication characteristics to prevent unwanted metal-to-metal contact. The fluids these machine components require are formulated to drastically reduce friction and increase the performance of slideways, which are also known as linear bearings. Stick-slip is a non-issue when implementing the correct weight of slide way lubricant.
ISO VG 68 oils have a midpoint kinematic viscosity of 68 mm2/s, also referred to as centistokes (cSt). The midpoint is derived by taking the average of both the minimum and maximum kinematic viscosities. In the case of ISO VG 68 oil (also AGMA 2 oil), those numbers are 61.2 cSt and 74.8 cSt, respectively. These numbers refer to the standard testing mechanisms used to determine how much resistance to flow (i.e. viscosity) these oils demonstrate.
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