blank holder 中文意思是什麼
blank holder
解釋
防皺壓板-
If a blank endorsement is made, the holder of the b/l has the right to take delivery of the goods.
假如作了空白背書，提單持有人就有權提貨。 -
“ holder ” means a person who is in possession of a document of title or an instrument or a certificated investment security drawn, issued or indorsed to him or to his order or to bearer or in blank
「持有人」指某人擁有產權文件或文據或投資證券證書，該證券由其簽名或向其出具或由其背書或依其指示或依持票人指示或空白。 -
Uniform blank holder force and local holder force ( non - uniform ) were tried
對壓邊力的分佈採用了均勻壓邊力和局部改變壓邊力。 -
Expert system based on fuzzy neural network for the optimal control of blank holder force
神經網路簡化模型設計多變量自適應模糊控制器 -
Elastic rubber method and rigid blank holders were used to apply blank holder force with different methods
對壓邊力的控制採用了彈性橡膠控制和剛性直接控製法。 -
At the same time, acquiring the formula of the minimum blank holder force that to be sure that the blank holder will not be lifted
同時，又得到了保證拉深零件時壓邊圈不被?起的最小壓邊力公式。 -
The predominant failure mode in stamping of sheet metal parts are wrinkling and fracture, in general, these defects may be eliminated by appropriate manipulated the blank holder forces
摘要起皺和斷裂是板料成形過程的主要失效模式，合理控製成形過程中壓邊力，可以消除這些缺陷，提高成形性能。 -
The predictions have been compared with experiments and the results indicated that the adaptive variable blank holder force can be used to improve the sheet metal forming processes
本文通過數值模擬的方法把變壓邊力的壓邊方式應用到拉深過程，並和實際情況相比較，發現合理的變壓邊力能改善板材的成形性能。 -
The springback angle increases with the increase of the punch round radius and clearances between the punch and the die while decreases with increase of the blank holder force, sheet thickness, friction coefficient and material hardening exponent
回彈角隨凸模圓角半徑和凸凹模間隙的增大而增大，隨壓邊力、板料厚度、摩擦系數和材料硬化指數的增大而減小。 -
The experimentation of the door outer ’ s viscous pressure forming under different blank holder pressures has been done. the strain distributions of the decorated rib and handle are obtained by the girding method and the thickness strain distributions are also obtained
通過網格分析法對試件關鍵部位（裝飾筋和把手）的應變進行了分析，分析了粘性介質壓力成形過程中成形試件的壁厚分佈。 -
In the paper, the finite element simulation software dynafrom is applied to analyze the affect of different blank holder during the forming process of laminose stepped tubular part, predict the possible defects such as wrinkle and break, obtain the rational style of blank holder avoiding the occur of defects and determine the rational configuration of die. the forming affect of thin - wall shallow stepped tubular part is analyzed when using different lubricate condition ( friction coefficient ). by this method, the relationship between friction coefficient and drawing depth of laminose stepped tubular part is obtained
本文利用有限元模擬軟體dynafrom分析了不同類型的壓邊圈對薄壁階梯筒形件成形過程的影響規律，預測了採用不同類型壓邊圈時可能出現的成形缺陷如起皺和拉裂，獲得了防止缺陷產生的合理壓邊圈形式，確定了合理的模具結構形式；分析了不同的潤滑條件（摩擦系數）對薄板階梯筒形件成形的影響，獲得摩擦系數與薄板階梯筒形件的拉深深度的關系；分析了階梯筒形件成形過程中的不同階段的應力應變分佈、毛坯材料厚度變化情況，並獲得了階梯階梯筒形件能一次拉深成形的條件。 -
Based on energy theory, wrinkling criterion in deep drawing for axisymmetric parts is derived to take geometry parameters, friction coefficient, material properties, and the law of critical blank - holder force ( bhf ) of side wall wrinkling in the constraint condition of initial wrinkling into account
從能量平衡原理出發，通過對屈服準則的線性化處理，推導了考慮幾何參數、摩擦系數和材料性能參數、板材皺曲時約束條件的軸對稱拉深成形過程中側壁起皺臨界壓邊力的變化規律，給出了皺曲判據。 -
It is pointed out that length of flown - in material ( lfm ), which flows into female die from underside of blank - holder during forming, is an external index of local forming resistance
提出將流入量（從壓料面下進入凹模型腔的局部材料線素長度）作為衡量局部成形阻力的指標。 -
Based on the above algorithm, a preprocessing software system special for computer simulation of sheet metal forming processes has been developed. for giving cad model of tool surfaces, the algorithm provided in this paper can fully automatically generate quadrilateral finite element meshes from nc track points of tool surfaces, which include the punch, the blank holder, the blank and the die
對于給定的cad模型，本文通過cam數控編程獲得的nc軌跡，能夠自動生成沖頭、壓邊圈、板料和凹模的全四邊形網格，避免了基於cad模型網格生成演算法通常所需的幾何修復時間，大大提高了cae建模效率，降低了建模勞動強度。 -
On the basis of the sketch of use and significance of blank - holder force in production, the effects on the formability of box deep drawing process were investigated with the dynaform, which was applied to the variable blank - holder force ( vbhf ) changing with the deep drawing time and the position of the vbhf
在概述壓邊力在生產過程中的用途和意義的基礎上，討論了變壓邊力對薄板拉深成形過程的影響，利用dynaform模擬軟體研究了隨拉深時間和壓邊圈位置變化的壓邊力對拉深成形質量的影響，得到了相應的數值模擬結果，為實際生產過程中合理調節壓邊力的大小提供了理論依據。 -
It is well known that additional stretching of the material in the unsupported wall area may prevent wrinkling, and this can be achieved in practice by increasing the blank - holder force ; but the application of excessive tensile stresses leads to failure by tearing
我們知道在不被支撐的拉伸壁區域中材料的外力拉伸可以防止起皺，這可以在實踐中通過增加壓邊力而實現，但是運用過大的拉伸力會引起破裂失效。 -
Hence, the blank - holder force must lie within a narrow range, above that necessary to suppress wrinkles on the one hand, and below that which produces fracture on the other
因此，壓邊力必須控制在一定的范圍內，一方面增抑制起皺，另一方面防止破裂。 -
In this paper, the evaluation function of the formability of rectangle - box deep drawing was established, the effects of variable blank holder forces ( spatially ) on the formability of rectangular box deep drawing process was investigated based on the numerical simulation of sheet metal forming, the control strategy of the variable blank - holder forces in rectangular box has been developed to improve the formability and to increase the attainable pan height
本文通過對隨位置變化的變壓邊力作用下的矩形盒拉深過程進行數值模擬，研究各部位壓邊力變化對整體成形性能影響、及其影響范圍，為分塊壓邊圈的壓邊力的調整提供一定的依據。 -
This narrow range of blank - holder force is difficult to determine
合適的壓邊力范圍是很難決定的。
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