Downloaded from https://www.everyspec.com I AMcP iM196 design and rework effort for ruggsdization project schedules will permit. Or, even if and by improving the overall quality of both there is time, the required test may be very the R&D and the production testing efforts, special in nature with iHttle likelihood of being repeated, so that it is not economically feasible to establish an in-house capability. Wk7 TEST FACILITIES ;.
Sometimes, a customer may decide that the One of the more difficult decisions facing testing should be performed in an outside test management personnel is the make-ot- laboratory to provide an unbiased check on buy decision for the many kinds of testing project performance, or he inay have his own which comprise the reliability test program. laboratories and decide to perl'orm the testing - The straightforward economic factors there, Involved are not difficult to assess by com- mon ,nethods of cost accounting and analy- Partictiarly in R&D testing, there rmay be Mis, and further discussion is not warranted very sharp peaks and valleys in the scheduled here.
However, sonie of the many intangibles or actual testing load, and it may be econom." which are more difficult to analyze fre- ical for the company to buy commercial quently override or modify the economic laboratory time to carry the peaks, In a considerations, multidivision company, sister divisions may have very low utilization factors and cor- Good management practice is to perform porate management may dictate the Inter- as much testing In-house as possible. This division transfer. of a ft~ed percentage of ensures the maximum utilization of capital testing. i•here Is distinct merit in maintainins Investments and of the work force.
Schedules a group of competent outride laboratories are more easily monitored and a far greater who are familiar with the company and are flexibility can be attained, Flexibility is available on short notice to take care of un- very Important for the R&D test program, in planned emergency requirements. which test forecasts can change, Control of test conditions, discipline of test oper- It is generally prudent not to schedule the ations, ani liaison between the laboratory In-house laboratories to capacity; thire muiti and other organizational elements are more be a reserve k&f unplanned laboratory tine easily established and maintained with in- available for emergency tests.
Qualification house testing, In-house testing eliminates the tests are not intimately connected with the necessity for training outside personnel itn production process and should also be perp company techniques, standards, methods, and formed in-house, particularly the ambient systems or technical and financial management. tests, Requallfiamtlon tests can be split; those Also, the company capability and capacity tests which require environments not avail- for performing tests generally are improved as able in-house should be performed outside. the in-house test load broadens and increasUA.
The reliability department should monitor Balancing factors must be considered, how- each vendor's laboratory to provide close ever, which frequently result In a decision to liaisum and direction and to monitor and buy test serviceэ. Time may be an overriding audit the vendor's performance, All of the consideration.
the in-house laboratory or compary's in-house disciplines - including test facility may not have the technical calibration of all test equipment, preparation, capability, personnel akills, or available capac- release, and change control of detailed pro- itW, to perform all of a required test, and the cedures and data sheets, operator certifica- time to obtain them may be longer than the tion, and Indupendent inspection coverage -•,,. a ... 'd *, ,.*.,I., ,