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Swage lock fastening
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A high tensile strength mechanical fastening system employing swaging of a collar ontovicptcinfrast annular locking grooves of a fastening utilising a special hydraulic tool. the system is designed to provide consistent and predictable installed values of tension.
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Mechanical, английский
Consistent, английский
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Crank, английский
- A horizontally pivoting arm between the point operating lever and spreader bar of a set of points which redirects the operating force through 90°.
- Кривошип
- Unstable. top-heavy and prone to capsize (cf. tender).
- Коленчатый рычаг; кривошип; заводная рукоятка
- To pull on a hold as hard as possible.
- The car “cranks” when the starter motor is able to spin the engine or cause it to “turn over.” if the car “will not crank” when you turn the ignition key, you hear either a clicking sound, or nothing at all. the term “crank” is also used as a short form of the word crankshaft.
Heat treatment, английский
- A heating and quenching process used to increase the hardness of rails or steel components. the most common processes are furnace heating and oil/water quenching and flame heating and air quenching.
- Термообработка
- Heating and cooling a solid metal or alloy in order to produce changes in its physical and mechanical properties.
- Exposure of a metal to predetermined temperatures beyond the range of normal atmospheric conditions for a specific time to obtain a specific range of mechanical properties.
- Heating and cooling a metal or alloy in such a way as to obtain desired conditions or properties. heating for the sole purpose of working is excluded from the meaning of this definition.1
- Heating and cooling a metal or alloy in such a way as to obtain desired conditions or properties. heating for the sole purpose of hot working is excluded from the meaning of this definition. see also annealing; aging; and tempering. hertz (hz): measurement unit of frequency, equivalent to one cycle per second.
- Heating and cooling a metal or alloy in such a way as to obtain desired conditions or properties. heating for the sole purpose of working is excluded from this definition.3 hertz (hz): measurement unit of frequency, equivalent to one cycle per second.4
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