blank die 中文意思是什麼
blank die
解釋
落料模-
Cermet hot extrusion die blank
金屬陶瓷熱擠壓模坯 -
In different in terne die travel, the metal flow characterize in warm extrusion forming processes and the affection for the flow of metal stage which made by the difference between the blank bottom altitude and the axial direction limiting size in warm extrusion forming technique have been analysed we have gotten the equivalent strain field and the velocity field and other field variable that the blank in different in terne die travel and the die travel - load curve. at the same time, we have analyzed the contributing factor for the oil pump stator forming process optimized and achieve thereasonable die parameter for the war m extrusion forming finally, the optimized technics parameters were used into pilot production, then the qualified oil pump stator forging were produced, the analog results were compared with those of pilot production
論文具體分析研究了不同成形工藝過程中金屬流動的特點，並對不同凸模行程下溫擠成形過程中的金屬流動特點、坯料連皮厚度（底部高度）與溫擠壓成形工藝中的軸向界限尺寸的差值對金屬變形階段的影響進行了分析，獲得了坯料在不同凸模行程下的等效應變場、速度場等場變量及凸模行程-載荷曲線，同時對油泵定子成形過程的影響因素等進行了分析，優化並獲得了合理的溫擠成形工藝及模具參數。最後，利用模擬優化獲得的各項工藝參數進行生產實驗，得到實際生產出的合格油泵定子件，並將模擬結果與生產實驗結果進行比較。 -
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。 -
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。 -
The non - uniform deformation behavours and the movement of the weld seams, the wrinkling of the workpieces and the methods to control the non - uniform deformation were investigated by adjusting the die structures, the blank holding method and the blankholding force distribution
通過調整模具結構和壓邊方法及壓邊力分佈，對坯料不均勻變形規律及焊縫的移動規律、坯料的起皺規律及控制坯料不均勻變形的方法進行了探討研究。 -
Structure technology characteristics and processing technology of contacting plate has been analysed with introduction to blank layout, die structure, die working process, design and manufacture of main pans of die
摘要分析了接觸片零件的結構工藝特點和加工工藝、介紹了零件的排樣、模具的結構、模具工作過程，模具主要零件的設計製造要點。 -
The forming technology data have been defined on the analysis of the forming technology of az31 magnesium alloy thin - walled tubes by using isothermal forming and forward extrusion deforming of hollow blank process and the design of die structure has been introduced
摘要本文通過對az31鎂合金薄壁管材成形的工藝分析，採用了空心坯正擠壓、等溫成形的工藝方法，確定了其成形工藝參數，並介紹了該薄壁管材的擠壓模具結構設計。 -
Drawing piece unfold size is one basic condition under the calculation on coefficient, number of drawing, handbooks or books of press are not given, practice press production, die designer designs drawing die by experience calculation, after testing, according to deformation, state, defect shape of testing blank, shape and unfold size is revising, finally, unfold size and shape of blank are determined, designing period is longer, cost of die and work piece is to raise, economic benefit is to reduce
拉深件展開尺寸是拉深可行性分析中計算拉深系數與拉深次數的前提條件，現有沖壓手冊或教材對于復雜拉深件的展開尺寸計算尚未論述。復雜拉深件的沖壓生產中，模具設計者憑經驗估計拉深可行性，設計製造拉深模進行反復試壓，根據試壓件的形變狀態，缺陷形貌，制定坯料展開尺寸和形狀，周期較長，因而生產成本高，經濟效益不佳。 -
It included the blank layout, die design technologies and pilot run
此技術特色在於高長徑比，所需要的深引伸模具技術是非常困難的。 -
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。 -
A new processing technique for seamless tubes manufacture of stainless steel is introduced in the present work, in which die cast hollow blank is directly used for a hot extrusion
摘要介紹了一種短流程無縫不銹鋼管材的制備工藝，即用空心鑄坯直接熱擠壓制備荒管。 -
In this paper, the cold die forging technology of the counter gear was analysed, the cold die forging was designed, the blank dimensions and the figure were calculated and choosed, the allowable deformation degree was checked, the equipment for the deformation was selected, the blank treatments before the cold die forging were draw up and the die structure of the cold die forging was designed
分析了計數器齒輪的冷模鍛工藝，設計了冷模鍛件圖，計算及選用了毛坯尺寸及形狀，驗算了許可變形程度，選擇了變形用的設備，擬制了冷模鍛前的毛坯處理及設計了冷模鍛模具結構。 -
Abstract : in this paper, the cold die forging technology of the counter gear was analysed, the cold die forging was designed, the blank dimensions and the figure were calculated and choosed, the allowable deformation degree was checked, the equipment for the deformation was selected, the blank treatments before the cold die forging were draw up and the die structure of the cold die forging was designed
文摘:分析了計數器齒輪的冷模鍛工藝，設計了冷模鍛件圖，計算及選用了毛坯尺寸及形狀，驗算了許可變形程度，選擇了變形用的設備，擬制了冷模鍛前的毛坯處理及設計了冷模鍛模具結構。 -
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。 -
The die supplier will furnish in writing the developed blank size along with the preliminary tool drawing ( s )
在提交初級設計的同時供應商應提供下料尺寸。 -
Theoretical development and of the blank and simulation of drown and restrike ， we need to see the green color in the simulation drow before building the die it ' s very important
在製作模具之前我們理論上應該製作一個白模來模仿一下沖壓效果來看看綠顏色的定位。這很重要。 -
In this paper, the metal flow route during closed die extrusion for spiral bevel driving gear of automotive final drive is analyzed and the profile of preformed blank has been designed
摘要分析了主動螺旋傘齒輪閉塞擠壓的金屬流動路線，設計了預制坯的形狀。 -
The blank treatments before cold extrusion were also drawn up and the die structure of the cold extrusion was designed
擬制了冷擠壓前的毛坯處理及設計了冷擠壓模具結構。
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