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Articles, guides, and news on industrial and automotive lubrication
Base oil is the liquid that makes up most of a lubricant. See where it comes from, how the refinery cleans it and what the API groups change.
It comes down to molecular shape: paraffinic resists heat and oxidation, naphthenic dissolves and flows in the cold, aromatic softens dark rubber. See which base fits each application.
Group II is a hydroprocessed mineral oil with 90% or more saturates and up to 0.03% sulfur. See when it replaces Group I, what to adjust in the formulation and how to check the group on the report.
A lubricant for the tissue industry has to solve two opposite problems on the same machine: excess water in forming and pressing, and extreme heat in drying.
The right gearbox oil is the one the nameplate calls for in CLP, ISO VG or AGMA terms. See the conversion chart with the Turan EP and Turan S lines, the FZG test and when synthetic pays off.
Choose ATF by the specification in the transmission manual, such as Dexron VI, Mercon LV or Toyota WS. ATF transmits engine power, applies and controls the clutches, lubricates and cools.
The right quenching oil delivers the cooling rate the steel and the part require: conventional, accelerated or a non-flammable polymer. Learn how to read the cooling curve and tell whether the oil in your tank is still good.
There are four types of cutting fluid: straight oil, used neat, and three mixed with water (mineral soluble, semi-synthetic and synthetic). Slow, heavy cutting calls for straight oil; grinding and fast cutting usually call for a water-based fluid.
DIN 51524 divides mineral hydraulic oils into HL, HLP, HVLP and HLPD; HFDU is the fire-resistant fluid. See which class and which ISO VG to use for the condition of your system.
