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British Standard Fine (BSF) is a screw thread form, as a fine-pitch alternative to British Standard Whitworth (BSW) thread. It was used for steel bolts and nuts on and in much of Britain's machinery, including cars, prior to adoption of Unified , and later Metric , standards.
Hard bolívar, abbreviated BsF or Bs.F, the currency of Venezuela from 2008 to 2018; Boysetsfire, an American post-hardcore rock band; Bradshaw Army Airfield, with IATA airport code BSF; British Standard Fine, an imperial-unit based screw-thread standard; Building Schools for the Future, a British Government initiative to rebuild schools, from ...
The thread form follows the British Standard Whitworth standard: Symmetrical V-thread in which the angle between the flanks is 55° (measured in an axial plane) One-sixth of this sharp V is truncated at the top and the bottom; The threads are rounded equally at crests and roots by circular arcs ending tangentially with the flanks where r ≈ 0 ...
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Whitworth thread form. The form of a Whitworth thread is based on a fundamental triangle with an angle of 55° at each peak and valley. The sides are at a flank angle of Θ = 27.5° perpendicular to the axis. Thus, if the thread pitch is p, the height of the fundamental triangle is H = p/(2tanΘ) = 0.96049106p.
Members include translators, interpreters, educators, project managers, web and software developers, language services companies, hospitals, universities, and government agencies. ATA offers certification examinations for its members in some language combinations [3] and is affiliated with the International Federation of Translators (FIT).
The Thury thread form had the crests rounded at 1 / 6 p and the roots rounded at 1 / 5 p so the thread angle was close to 47.5° but not exactly. This was simplified in the BA thread definition by defining the thread angle to be 47.5° exactly and the thread form to be symmetrical with a depth of 3 / 5 p.
On May 12, 2009, the Language Industry Association of Canada, AILIA launched the latest standards certification program in the world. [4] The certification is based on CAN/CGSB-131.10-2008, Translation Services, a national standard developed by the Canadian General Standards Board and approved by the Standards Council of Canada. It involved the ...