灰口铸铁中含有大量的片状石墨,极易切削,常用来制作厚壁件。
Ash iron casting contain a lot of flake graphite, extremely easy cutting, commonly used to make a thick wall.
对厚壁件内孔拉削精度进行了试验研究,结果表明:刀具初期磨损阶段,工件孔径尺寸偏大,且变化较快;
Experimental study of broaching precision of heavy wall workpiece shows that workpiece aperture turns large in initiative wearing stage of the tool, and the change is fast;
提出的管坯壁厚精度概念极其控制方法具有普遍性,对于其它薄壁筒形件的制造工艺具有参考作用。
The introduction of the concept of bellows wall thickness accuracy has the universal significance and reference value for manufacturing technology of other thin wall tube like products.
介绍了变壁厚锥形件旋压过程数值模拟的有限元力学模型建立的方法和步骤,以及分析了在建立力学模型时要处理的一些问题。
Methods and procedures of FE mechanics modelling of power spinning process of varying thickness conical parts with analysis of certain problems necessary for treatment in such establishing.
研究结果表明,合适的压边力和液体压力能控制盒形件拉深缺陷的发生,采用液压拉深盒形件可获得更好的壁厚分布。
The result indicates that proper blank holder force and liquid pressure will help to reduce the occurrence of drawing defects and the application of hydroforming can get more uniform wall thickness.
基于环件几何模型导出了环件直径计算公式,建立了冷轧中环件直径与环件壁厚和轧制进给量之间的关系。
Based on the ring geometrical model, the calculation formulae of ring diameters were DE rived and the relations between ring diameters, thickness and the rolling feeding amount were established.
同时给出了考虑偏离正弦律强力旋压等壁厚和变壁厚锥形件毛坯的设计模型。
The design models of blank of tapered wall thickness cone and equal wall thickness cone with deviation from sine law are presented.
为了解决产品由于壁厚不均匀且带有嵌件而产生的注射成型缺陷问题,决定采用二次注射的方法。
In order to solve the problem that there were injection molding bugs on the products caused by the unevenness of the thickness, and the insert in the product, second injection mold was applied.
利用有限元法证实了内高压成形三通管的可行性,给出了不同轴向进给速度下零件的壁厚及应变分布,并就轴向进给速度对成形的影响进行了分析。
The feasibility of hydroforming tri-branch tube is proved by FEM. The corresponding thickness and strain distribution of different axial feed velocity on the simulation is analyzed.
枪管是一种厚壁空心管件,由线膛、弹膛、外表面三部分组成。
Gun barrel is a thick and hollow part which is composed with three characteristic surface: line chamber, chamber, outside surface.
本发明涉及重叠注塑的厚壁部件,用于形成重叠注塑的厚壁部件的嵌件,以及形成重叠注塑的厚壁部件的方法。
An over-molded thick wall part, an insert used in forming the over-molded thick wall part, and a method of forming over-molded thick wall parts.
依据实验结果和回归方程,对影响楔横轧空心件壁厚变化的主要因素做了分析讨论。
According to the experimental results and the regressive equation, analysis for the main factors how to influences the wall thickness of hollow workpiece rolled by cross wedge rolling is presented.
分析了铝合金厚壁支座的弯曲工艺,计算了弯曲件的展开长度、落料力、冲孔力及弯曲力,阐述了弯曲件的回弹因素及凸凹模之间的间隙,介绍铝合金厚壁支座弯曲模具的结构设计。
The bending technology of the thick-wall supprt of aluminum alloy was analyzed, and the flattening length of bending, blanking force, piercing force and bending force were calculated.
根据零件特征和填充的材料,零件壁厚对翘曲有很重大的影响。
Changing the wall thickness can have a profound effect on the warpage, depending on the part geometry and the material being molded.
研究了空心件楔横轧成形过程壁厚变化的规律,并给出了根据工艺条件预测壁厚变化值的公式。
Finally, a formula used for predicting the change of wall thickness by the process parameters was given. The results obtained in this study could be us...
杯形件的口部壁厚差是生产中时常遇到的技术问题,也是热压杯形件中最难控制的一种尺寸。
The wall_thickness difference of the cup_shaped part is a technical problem often occurring in production, and it is a size most difficult to control when producing hot_extruded cup_shaped parts.
辊体材料锻打件壁厚为32mm内外加工,热处理、精涂铬后抛光。
Beating 20-roll material thickness of 32mm and outside processing, heat treatment, precision polishing Mr Chromium.
辊体材料锻打件壁厚为32mm内外加工,热处理、精涂铬后抛光。
Beating 20-roll material thickness of 32mm and outside processing, heat treatment, precision polishing Mr Chromium.
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