cylinder extension 中文意思是什麼
cylinder extension
解釋
機筒延長段-
Constant extension speed telescopic cylinder
等速外伸的伸縮缸 -
In order to solve the problems that large energy consumption, temperature variation, high, cost trouble maintenance in current electro - hydraulic servo control system for material testing machine, a new design scheme that electro - hydraulic proportional control system for material testing machine based on extension control strategy is proposed. the design scheme is successful by means of designing new main frame system, hydraulic cylinder system, digital electro - hydraulic micro - fluid proportional valve and electrical control system, and its results lay a foundation for material testing machine industries in our country
針對國內外材料試驗機主要採用電液伺服控制系統，存在能耗大、溫升、成本高、維護困難等問題，本課題提出了基於可拓控制策略的材料試驗機電比例負載適應控制系統這一新型研究方案，通過開發新型試驗機主機系統、液壓缸系統、數字式微小流量電液比例流量閥及電控系統，實現了材料試驗機電液比例負載適應控制，為我國材料試驗機自動控制系統的產業化打下了基礎。 -
The sheet metal work pieces are first divided into several groups such as cylinder, cone and so on. then, under considering the intersection of two cylinders or a cone and a plane, the mathematical models have been developed, and the corresponding unfolding methods have been determined. on the platform of autocad, the system has been redeveloped by means of autolisp and activex object, and the unfolding cad system has been designed, which can realize the parametric drawing of the extension of sheet metal
結合工程實際對曲面構件進行了分類，並通過分析建立了包括圓柱、圓錐、圓柱與圓柱相貫、圓錐與平面相貫等曲面構件的數學模型，確定了適當的展開方法，以autocad2000為平臺，以autolisp結合activex對象為工具，進行二次開發，設計了曲面展開cad系統，從而實現鈑金件展開圖的參數化繪圖。
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