mandrel die 中文意思是什麼
mandrel die
解釋
舌形組合模-
To produce specialty tubing, this procedure uses a drawbench to pull tubing through a die and over a mandrel, allowing excellent control of the inside diameter and wall thickness
為了製造出更精密的管子，本工藝通過拔管機使管子經過鋼型和心軸的拉制，這樣管子的內徑和壁厚精密度就能控制的很好。 -
The research and prediction of relative elongation of thick - walled tube without mandrel by open - die cold extrusion is the base of the design of tube parts and special equipment
摘要對于無芯棒開式冷擠壓厚壁管件的相對伸長量的研究與預測是設計開式冷擠壓管類零件反其專用設備的依據。 -
The main parameters influencing relative elongate on are analysed by research on experiment of size prediction of thick - walled tube without mandrel by open - die cold extrusion, and their curves of changing rule are given, which applies reference in order to direct practical production
本文通過對厚壁管件無芯棒開式冷擠壓尺寸預測的實驗研究，分析了影響相對伸長量的犯要參數，找出了它們與相對伸長量之間的變化規律曲線，為指導實際生產提供了依據。 -
Through the analysis of loadcase on aluminum profile porthole die, it shows the porthole die will have certain deformation under complex loadcases, especially the porthole die mandrel, and the deformation will decrease the precision, surface quality and life of the final product
摘要通過對鋁型材擠壓分流模工作狀況的分析，說明其在復雜的工況下會發生一定的變形，尤其是模芯部分，這不僅降低了產品的尺寸精度和表面質量，也降低了其壽命。 -
Its reliability has been tested though examining. the influence laws of mould structure, including wiper die and the style, size and installed position of mandrel, have been studied. combined with the theoretical analysis of perfect pure bending, the tendency of relative bending radius r / d and relative wall thickness t / d to one of the major quality target - the maximum wall thickness reduction ratio is also studied
通過數值模擬研究獲得了包括防皺塊和芯棒形式、尺寸和安裝位置在內的模具結構對製件成形質量的影響規律；結合對理想純彎曲的理論分析，研究獲得了相對彎曲半徑r / d 、相對壁厚t / d對製件主要質量指標之一的最大壁厚減薄率的影響趨勢和大小。
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