ผลการค้นหา

A Sheet Metal Screw

แปลว่า(english) Sheet metal screws with (a) sharp-pointed ends; and (b) fewer threads per inch than type AB screws; and (c) deeper threads with bettere gripping power than type AB. The industrial Fasteners Institue incorrectly labes type A an “obsolete” thread though it is universally preferred in 18-8 stainless over type AB, especially by the marine industry.

Transmissibility:

แปลว่า(english) The principle stating that a force has the same external effect on an object regardless of where it acts along its line of action.

Abrasive Wheels

แปลว่า(english) Wheels of a hard abrasive, such as Carborundum used for grinding.

Braze Welding

แปลว่า(english) A family of welding procedures where metals are joined by filler metal that has a melting temperature below the solidus of the parent metal, but above 840 (450 C).

Bright Annealing

แปลว่า(english) A process carried out usually in a controlled furnace atmosphere, so surface does not oxidize, remaining bright.

Weight:

แปลว่า(english) The force on an object resulting from gravity.

Rigid:

แปลว่า(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.

Activation

แปลว่า(english) The changing of the passive surface of a metal to a chemically active state. Contrast with passivation.

BLEED-OFF

แปลว่า(english) To divert a specific, controllable portion of pump delivery directly to reservoir.

Burning 2

แปลว่า(english) Heating a metal beyond the temperature limits allowable for the desired heat treatment, or beyond the point where serious oxidation or other detrimental action begins.

Brittleness

แปลว่า(english) The tendency of a metal or material to fracture without undergoing appreciable plastic deformation.

Ac1

แปลว่า(english) The temperature at which austenite begins to form on heating.