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The torque applied to the fastener must be determined such that it does not contribute to a service condition where the fastener enters a low-cycle fatigue regime. In general, the use of torque-to-yield fasteners is deprecated except in cases where the materials and structures comprising the entire assembly are certified to be within tolerances ...
[4] [5] Practitioners depend on context and the hyphenated abbreviations to know that these refer to neither energy nor moment of mass (as the symbol ft-lb rather than lbf-ft would imply). Similarly, an inch-pound (or pound-inch ) is the torque of one pound of force applied to one inch of distance from the pivot, and is equal to 1 ⁄ 12 lbf⋅ ...
[3] [4] Wankel engines run very hot, so Garside gave this air-cooled motor additional interior air-cooling. Air was drawn through a forward-facing filter situated to provide a ram air effect. This air passed through the interior of the rotors and then into a large pressed-steel plenum before entering the combustion chambers via twin ...
A tension control bolt (TC bolt) is a heavy duty bolt used in steel frame construction. The head is usually domed and is not designed to be driven. The end of the shank has a spline on it which is engaged by a special power wrench which prevents the bolt from turning while the nut is tightened.
For example, a torque multiplier with a rating of 3:1 will turn its output shaft with three times the torque, but at one third the speed, of the input shaft. However, due to friction and other inefficiencies in the mechanism, the output torque is slightly lower than the theoretical output.
A plenum space is a part of a building that can facilitate air circulation for heating and air conditioning systems, by providing pathways for either heated/conditioned or return airflows, usually at greater than atmospheric pressure.
The cap torque tester is used in the packaging industry to measure the opening or closing torque of the screw cap. Proper torque is required for the cap to perform its functions of maintaining a tight seal. [1] It is a piece of specific quality control equipment that can be placed on the production line or in the laboratory. Several designs ...
The external dimensions of all their V8s, from 326–455 cu in (5.3–7.5 L) were the same. Engine displacement is a function of bore and stroke. Pontiac's V8s share the same 6.625 in (168.3 mm) connecting rod length, with the exceptions of the later short deck 301, 265, and 303 Ram Air V.