機械專業(yè)外文文獻翻譯及原文-其他專業(yè)-資料下載頁
2025-01-19 12:27本頁面
【導(dǎo)讀】向以消費為中心的模式改變，移動終端企業(yè)越來越重要。Omnipap,一個掌上終端，通過實。票據(jù)打印和其他延伸等功能。其他的掌上終端只能實現(xiàn)部分功能。用智能卡進行電子支付需要一個與票據(jù)打印或條碼掃。使用多種設(shè)備對那些從辦公室走出來的人來說是不切實際而且極富挑戰(zhàn)。Omnipap包括一個有50米長紙的票據(jù)打印機，一個條形碼掃描，一個智能卡和讀卡器，3630和一個CF卡套。只要一與中央網(wǎng)絡(luò)連接，Omnipap就能發(fā)揮象一。Parsprototo,一個比利時設(shè)計公司，被委托制造Omnipap。以整天攜帶的裝置；它能夠適用任何條件。影響設(shè)計的不僅是體積大小，還有重量。應(yīng)該可以用一只手拿住，同時另一只手空出來操作屏幕和處理貨物。提供了詳細的三維設(shè)計組成，供設(shè)計CF卡套使用。最終配置詳細說明了各個組成部分的布置。外包裝必須緊緊地抱住組成部分，盡量留。雖然仍在試用版本，ISDX與pro-engineer具有相同的穩(wěn)定性。并且，當ISDX顯示的四個。與這一曲線相連。繪面和擰面的方便，將連續(xù)相切和曲線完美地聯(lián)結(jié)，使得ISDX
【正文】 ll and the printer, and is one of the main characteristics of the Omnipap. The circular portion of the shape was drawn using ASX with mapped surface as an underlay. But the cutting surface had no exact dimensional constraints. ISDX helped us to draw a freeform surface, which required enough clearance, for a paper roll and printer. At the same time, the design had to look good from the outside. Any modification to the surface was simply a matter of dragging the 6 vertices and the tangency handles. Furthermore, assuring that form corresponded with the curves drawn on paper was acplished easily when one of the four viewports that ISDX displays was activated. Because the Compaq iPAQ 3630 and its sleeve are so tightly intergrated into the design, we used Pro/ENGINEER’s copy geometry feature to add surface and curves that would help us to seamlessly align newly created surface to existing ones. The tangency align and curvature continuious constraints allowed us to quickly assess alterations in surface quality while retaining a smooth continuous constraints. Many of the bondary curves, which were at that time not clearly defined, also were drawn in ISDX, because of the ease of drawing curves directly in three dimensions and the ease of later modifications. One of the drawbacks of ISDX, however, is the inability to create other surfaces besides the ones definded by four boundaries. (If we are informed correctly, this issue should be solved in the new Pro/ENGINEER version Wildfire.) Fortunately some workarounds exist. The one we used is suitable for triangular surface. We stared by connecting a corner to the opposite side by sketching a projected control curve. Tow other curves connect this curve with the two remaining sides. In this way, a triangular patch is divided into four quadrangles, thus enableing ISDX to creat the appropriate surfaces. Careful attention was given to ascertain that the resulting patch was smooth and continuous. ISDX is a great tool for product designers. It allows then to quickly assess design variations in an interactive way without using other applications. The ease of drawing and tweaking surface, while perfectly maintaning tangency or curvature continuity, make ISDX the tool of choice for aesthetic as well as technical needs. We look forward to the enhanced style feature in Pro/ENGINEER Wildfire.
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