Final Report on Torque with Cross Force Comparison No. MT01 ...
Final Report on Torque with Cross Force Comparison No. MT01 ...
Final Report on Torque with Cross Force Comparison No. MT01 ...
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<str<strong>on</strong>g>Final</str<strong>on</strong>g> <str<strong>on</strong>g>Report</str<strong>on</strong>g> of <strong>MT01</strong>Table 1. List of participating laboratories of the torque <strong>with</strong> cross force comparis<strong>on</strong>(C<strong>on</strong>tinue)Laboratories17. TestingLaboratoryElectrical andElectr<strong>on</strong>ics Institute18. Professi<strong>on</strong>alCalibrati<strong>on</strong> &Services CompanyLimited(Withdraw)C<strong>on</strong>tact DetailsMr. Witee Srim<strong>on</strong>gkolE-mail : witee@thaieei.comPh<strong>on</strong>e: 0-2709-4866-8 ext. 119081-9239662FAX: 0-2324-0917Mr. AdisakEmail:pcal_calibrati<strong>on</strong>@yahoo.co.thPh<strong>on</strong>e: 0-2569-5158-9FAX: 0-2990-9235Bangpoo Industrial Estate, Soi8, Sukhumvit Road, KM.37,975 Moo 4, Praeksa, Muang,Samutprakarn50/333 Sathaporn Village, Soi29, Moo 2, Rangsit - Nakh<strong>on</strong>Nayok Road, Buengyeetho,Thanyaburi, Pathumthani121302.2 Standards of participating laboratoriesAll participating laboratories use torque wrench calibrati<strong>on</strong> devices as thestandards except NIMT use primary torque machine, lever support and the weightcoupling are based <strong>on</strong> the principle of strain-c<strong>on</strong>trolled elastic hinges. Almost thestandards of participating laboratories are defined by the measurement of the elasticdeformati<strong>on</strong> of elastic body. For loading system, laboratories no.6 and no.18 usedhanging weight to handle of the artifact. All participating laboratories are well preparedfor this comparis<strong>on</strong> such as preparing adaptors, calibrati<strong>on</strong> of standard and studying theprotocol before carry out measurement.3. Circulati<strong>on</strong> of the artifacts3.1 Chr<strong>on</strong>ology of measurementsThe artifact was circulated to all participants during January 2007 to July 2007.The pilot laboratory carried out the measurement at the beginning, middle and the end ofthe comparis<strong>on</strong> as well as m<strong>on</strong>itored the stability after returning from each participant.For each circulati<strong>on</strong>, the RMUTT was in charge of transportati<strong>on</strong>. Theparticipants had to check the arrival of artifact according to the attached checklist beforeand after making a measurement. The actual timetable and result of comparis<strong>on</strong> weresubmitted to the pilot laboratory by the participants. The artifact was sent back to NIMTfor stability checking before the next participants receiving.6
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