Lubrication Facts & Knowledge

Bowling lanes are coated with carefully applied oil patterns that aren't meant to reduce friction between the ball and lane, but rather to control how much the ball hooks and curves toward the pins. Professional bowlers study these invisible oil patterns like golfers read greens, because the oil wears away during play and completely changes ball behavior as games progress. A typical bowling center applies fresh oil using...

The high-speed printing presses that produce newspapers and magazines contain hundreds of rollers and cylinders that must be lubricated with oils so clean they won't leave spots on white paper traveling through at speeds up to 50 feet per second. These specialized inks and lubricants are formulated to never mix, since even a tiny drop of oil contaminating the ink would ruin thousands of pages in seconds....

The high-speed dental drills that dentists use to remove cavities spin at speeds up to 400,000 RPM—over 25 times faster than Formula 1 engines—requiring specialized micro-lubrication systems built into the handpiece. These drills use medical-grade oils and air-cooling systems because traditional lubricants would contaminate the patient's mouth or interfere with dental materials. The tiny bearings inside a...

Tattoo machines require specialized lubricants that must be safe for potential skin contact, since these devices puncture skin thousands of times per minute while running at speeds up to 150 cycles per second. The oils must be colorless and non-toxic, because any lubricant that leaks could mix with tattoo ink or come into contact with open wounds during the tattooing...

Chainsaws use special "bar and chain oil" that must be incredibly sticky to cling to a chain whipping around at speeds up to 60 mph, or else it would fling off and leave the cutting bar unprotected within seconds. This oil is specially formulated with tackifiers—additives that make it adhesive like honey—so it stays on the moving chain despite centrifugal forces trying to throw it away. Many regions now...

Underwater robots and submersibles exploring the ocean floor use special pressure-compensated lubricants that must work at depths where water pressure can exceed 1,000 atmospheres—enough to crush an empty soda can instantly. These oils need to mix with seawater intentionally through special bladders that equalize pressure, preventing seals from being crushed, while also resisting the corrosive effects of salt that would rust ordinary...

Sewing machines require special lightweight oils that won't stain fabric, even though the needle punctures cloth thousands of times per hour at speeds up to 1,500 stitches per minute. The oil must be crystal-clear and completely free of additives or dyes that could leave marks on white wedding dresses or delicate silks being sewn. Industrial sewing machines in...

Synthetic motor oils were invented by German scientists in the 1930s when their country lacked access to natural petroleum deposits, forcing them to create lubricants from coal using complex chemical processes. During World War II, both German and Allied aircraft needed oils that wouldn't freeze at high altitudes or break down in supercharged engines, accelerating synthetic oil development into...

Trains navigating sharp curves use automatic track lubricators that spray grease onto the rails to prevent the ear-splitting screech of metal wheels grinding against metal tracks. Without this lubrication, the friction from a heavy freight train taking a curve would be so intense that it could actually shave metal off both the wheels and rails, requiring expensive replacements...

Most people use oil on squeaky door locks, but locksmiths actually prefer dry graphite powder because wet oils attract dust and dirt that eventually gum up the tiny pins inside the lock mechanism. The graphite works by leaving microscopic flakes between the metal surfaces that slide over each other like a deck of cards, reducing friction without the stickiness of...