機械英漢翻譯-機械設(shè)計概論-wenkub
2023-01-27 05:42:28 本頁面
【正文】 igns require trying new ideas and being willing to take a certain amount of risk，knowing that if the new idea does not work the existing method call be reinstated． Thus a designer must have patience ， since there is no assurance of success for the time and effort expended ． Creating a pletely new design generally requires that many old and well． established methods be thrust aside． This is not easy since many people cling to familiar ideas， techniques and attitudes． A design engineer should constantly search for ways to improve all existing product and must decide what old， proven concepts should be used and what new， untried ideas should be incorporated． New designs generally have “bugs” or unforeseen problems which must be worked out before the superior characteristics of the new designs can be enjoyed. Thus there is a chance for a superior product． but only at higher risk． It should be emphasized that， if a design does not warrant 2 radical new methods， such methods should not be applied merely for the sake of change． During the beginning stages of design， creativity should be allowed to flourish without a great number of constraints． Even though many impractical ideas may arise， it is usually easy to eliminate them in the early stages of design before firm details are required by manufacturing． In this way， innovative ideas are not inhibited． Quite often， more than one design is developed，up to the point where they call be pared against each other． It is entirely possible that the design which is ultimately accepted will use ideas existing in one of the rejected designs that did not show as much overall promise． Psychologists frequently talk about trying to fit people to the machines they operate． It is essentially the responsibility of the design engineer to strive to fit machines to people． This is not an easy task， since there is really no average person for which certain operating dimensions and procedures are optimum． Another important point which should be recognized is that a design engineer must be able to municate ideas to other people if they ale to be incorporated． Initially， the designer must municate a preliminary design to get management approval． This is usually done by verbal discussions in conjunction with drawing layouts and written material ． To municate effectively， the following questions must be answered： (1)Does the design really serve a human need? (2)Will it be petitive with ex
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