Winding a line completely around an object to spread the pull of a rope across a larger surface area and enable greater control without jamming.
Related Terms |
RESTRICTOR
A device for producing a deliberate pressure drop or resistance in a line by reducing the cross-sectional flow area.
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SKIN CONDENSER
Condenser using the outer surface of the cabinet as the heat radiating medium.
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ADJUSTABLE DIFFERENTIAL
A means of changing the difference between the control cut-in and cut-out points.
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ABRASION RESISTANCE
The ability of a material to resist surface wear.
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CUTTING WEAR
Comes about when hard surface asperities or hard particles that have embedded themselves into a soft surface and plough grooves into the opposing harder surface, e.g., a journal.
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ADHESIVE WEAR
Often referred to as galling, scuffing, scoring, or seizing. It happens when sliding surfaces contact one another, causing fragments to be pulled from one surface and to adhere to the other.
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ACTION
Refers to the action of a controller. It defines what is done to regulate the final control element to effect control.
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SHED MODE
A method of demand control that reduces kW demand through shedding and restoring loads.
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JOURNAL BEARING
A sliding type of bearing having either rotating or oscillatory motion and in conjunction with which a journal operates. In a full or sleeve type journal bearing, the bearing surface is 360° in extent. In a partial bearing, the bearing surface is less than 360° in extent, i.e., 150°, 120°, etc.
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CORROSION INHIBITOR
Additive for protecting lubricated metal surfaces against chemical attack by water or other contaminants. There are several types of corrosion inhibitors. Polar compounds wet the metal surface preferentially, protecting it with a film of oil. Other compounds may absorb water by incorporating it in a water-in-oil emulsion so that only the oil touches the metal surface. Another type of corrosion inhibitor combines chemically with the metal to present a non- reactive surface.
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