1) Part of the process of protecting a wire or rope by worm, parcelling and serving. 2) Small tarred stuff is wound into the grooves of the lay to give the rope a smooth surface (worming). 3) Tarred canvas is then wound around the smooth surface (parcelling). 4) Finally a tarred seizing of thin wire or twine is tightly wound around all using a serving mallet to apply tension (serving).
Related Terms |
SKIN CONDENSER
Condenser using the outer surface of the cabinet as the heat radiating medium.
|
ABRASION RESISTANCE
The ability of a material to resist surface wear.
|
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.
|
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.
|
FILTER ELEMENT
The porous device that performs the actual process of filtration. Also known as Cartridge
|
HYDROFINISHING
A process for treating raw extracted base stocks with hydrogen to saturate them for improved stability.
|
ACID ATTACK
Caused by an incomplete flushing after an acid cleaning process of boilers or similar equipment.
|
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.
|
ABSORPTION
The assimilation of one material into another; in petroleum refining, the use of an absorptive liquid to selectively remove components from a process stream.
|
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.
|
