本文论述了锥台形空心件挤压成形工艺和模具设计要点，给出了实用的模具结构。
A dissertation is made on the process and main points of the die design for extruding the hollow parts of the frustum type.
从而为确定类似空心零件挤压生产工艺参数提供了一种简便而行之有效的方法。
As a result, a feasible simple method to determine the param-ete of extrusion with the similar hollow part is provided.
介绍了一种新的奥氏体不锈钢无缝管材制备工艺，即对空心铸坯直接热挤压制备荒管。
A new processing technique for seamless tubes manufacture of austenitic stainless steel is introduced, in which hollow cast blank is directly used for hot extrusion.
本文在研究国内外花键生产的基础上，对内外空心花键管的成形进行了工艺性分析，提出了花键管的冷挤压工艺。
Based on the analysis to the current spline forming process at home and abroad, the spline tube forming process was studied and the cold extrusion process was suggested.
介绍了一种新的奥氏体不锈钢无缝管材制备工艺，即对空心铸坯直接热挤压制备荒管。
A new processing technique for seamless tubes manufacture of austenitic stainless steel is introduced in the present work, in which die casted hollow blank is directly used for a hot extrusion.
采用主应力法与数值模拟相结合的方法，研究分析空心坯料反挤压成形力变化规律。
Forming force during backward extrusion of hollow billet was analyzed by slab method and numerical simulation.
挤压后的零件不易脱模是多台阶空心零件在挤压成形工艺中的难点。
The forming of hollow steps shaped part by the extrusion forming process is a difficult problem.
挤压铝合金管材用空心铸块外观质量提出了要求。
The exterior quality of the hollow billets for indirect tube extrusion is presented.
并导出了平底及锥形凹模内正挤空心件时单位挤压力的计算公式。
The formulas of extrusion for hollow parts in the square dies and the conical dies has been derived.
本文对空心件反挤的单位挤压力，采用滑移线法和上限法进行了计算。
The unit pressure in backward extruding hollow billet has been calculated by the slip line method and the upper bound method.
本文从分析预应力混凝土空心板单体成形挤压机铰刀的服役条件出发，选择了低铬钼白口铸铁做为饺刀材质。
In this paper. Service Condition of an auto-Cutting apart extrusion machine reamer for making prestressed hollow-cored concrete articles is analysised.
在生产铝合金型材时，平面分流模在空心型材的挤压生产中得到了应用。
When aluminum alloy bars are produced, the plate mould is used in extrusion moulding of aluminum alloy tubing bars. The main points of design procedure and the detailed drawings are presented.
选用施胶量、甲醛捕捉添加剂、挤压温度、挤出速度为试验因子，探讨E1级空心刨花板的生产工艺。
The objective of this study was to optimize the manufacturing process for producing tubular particleboard with E1 grade performance.
铝合金挤压特宽空心壁板型材是地铁、城市轨道交通车辆用经济断面型材。
Aluminum extruded hollow profile with super large section is a kind of high efficiency profile, which is used for subway and other railway vehicles.
该项工艺省去原机械举升中的油管，利用空心杆作为传动介质和油流通道，下冲程挤压排液。
This technique eliminates the tube in conventional mechanical lifting, takes hollow rod as the transmission medium and oil flow channel and discharges fluid during down stroke.
对一般的空心型材制品，由于挤压成形本身的工艺特点，不可避免的会在产品表面产生挤压焊合线，影响到产品的表面质量。
For common hollow sections, welding lines on the surface are inevitable due to their forming characteristics, which damage their surface integrity.
本实用新型的自动切割式预应力混凝土空心制品挤压机，包括窄板挤压机和宽板挤压机。
The utility model discloses an auto-cutting type extruder for hollow concrete products, which comprises a narrow plate extruder and a wide plate extruder.
本实用新型的自动切割式预应力混凝土空心制品挤压机，包括窄板挤压机和宽板挤压机。
The utility model discloses an auto-cutting type extruder for hollow concrete products, which comprises a narrow plate extruder and a wide plate extruder.
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