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ค้นเจอ 453 รายการ

Rigid:

(english) An idealized concept meaning something which does not deform under loading. In fact, all objects deform under loading, but in modelling it can be useful to idealize very stiff objects as rigid.

Bath

(english) Molten metal on the hearth of a furnace, in a crucible, or in a ladle

BACKUP BOTTLE

(english) A vessel, normally cylindrical, which is used to store gas for future release of the energy in the compressed gas to an accumulator.

Bending moment:

(english) A system of internal forces whose resultant is a moment. This term is most commonly used to refer to internal forces in beams.

Banding Tool

(english) Tool used to tighten a steel band around a coil.

Bit, Tool (cutter)

(english) A hardened steel bar or plate that is shaped accordidng to the operation to be performed and the material to be machined.

AB Srews

(english) Sheet metal screws with pointed ends similar to type-A screws and thread dimensions similar to type-B. Type AB screws are seldom used in stainless.

Photochemical pollutants

(Environmental Engineering) Chemicals which react photochemically (in the presence of sunlight) to destroy ozone in the stratosphere.

CFCs

(Environmental Engineering) Chlorofluorocarbons, chemicals which result in a depletion of the ozone layer in the upper atmosphere.

Bottle Top Mold

(english) Ingot mold, with the top constricted; used in the manufacture of capped steel, the metal in the constriction being covered with a cap fitting into the bottle-neck, which stops rimming action by trapping escaping gases.

Base Metal

(english) (1) The metal present in the largest proportion in an alloy; (2) the metal to be brazed, cut or welded; (3) after welding the part of the metal that was not melted during the process.

Boron (chemical symbol B)

(english) Element N. 5 of the periodic system. Atomic weight 10.82. It is gray in color, ignites at about 1112 (degrees) F. and burns with a brilliant green flame, but its melting point in a non-oxidizing atmosphere is about 4000 (degrees) F. Boron is used in steel in minute quantities for one purpose only- to increase the hardenability as in case hardening and to increase strength and hardness penetration.

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