采用物理模拟和数值模拟相结合的手段，对汽车花键轴的温热控制精锻工艺进行了深入的研究。 Warm-hot control forging process of automobile spline shaft is investigated by using physical simulation and numerical simulation.
研究了直齿圆柱齿轮的冷精锻过程，分析了分流孔形状、成形工艺等因素对齿轮成形的影响。 The cold precision forging of spur gears has been researched, and the effects of relief-hole shape and forging process on the spur gears forming has been analyzed.
直齿圆柱齿轮精锻工艺是一种生产直齿圆柱齿轮的少无切削加工工艺，包括冷精锻工艺、热精锻工艺等。 Precision forging process, dividing in cold precision forging process and hot precision forging process, is a kind of less or no cutting process for producing spur gear.
根据某轿车行星齿轮零件设计了冷精锻工艺。 The precision cold forging technology has been designed according to a bevel gear used in car.
并以筒形机匣精锻成形为例对金属体积形成过程进行了模拟，计算结果表明所提出的方法和软件系统是可靠的。 Meanwhile the processes of cylindrical housing have been simulated by the system, which indicate that the given techniques and software are feasible.
采用该系统对叶片精锻过程进行了三维反向模拟，获得了叶片叶身部分合理的预成形毛坯形状。 The blade precision forging process is simulated by the backward simulation system, and the reasonable preformed billet shape of blade body is obtained.
叶片是航空发动机中一类量大面广的重要零件，叶片精锻是叶片锻造的主要发展趋势。 A blade is one of the most important mechanical components in aviation engine, precision forging is a tendency of development of blade forging technology.
结果表明，闭式精锻工艺的新方法是十分有效的。 The results shown that the new way of precision die forging is very efficient.
作者研制成了用于钛合金精锻的防护润滑剂FR系列。 FR series of protective lubricant has been developed for finish forge of Ti alloys.
高频感应淬火不能达到硬化冷精锻直齿圆柱齿轮齿面的目的。 The high frequency induction hardening can't raise the surface microhardness of the cold precision forging spur gear.
利用3D-CTM系统进行了三维热力耦合模拟研究，揭示了单榫头叶片精锻成形规律，指出了温度在锻造过程中的重要作用； By using the 3D-CTM system, the law of the blade precision forging process is revealed, and an important function of temperature in forming process is indicated.
叶片形状复杂，零件成形精度高，采用精锻技术生产叶片是航空发动机生产企业采用的先进制造方法之一。 Since the structure of blade is complex and the forming precision is very high, the precision forging die becomes one of the advanced technologies used in aeroengine manufacture.
最后，采用本文的工艺手段和精度控制措施，进行了一系列齿轮精锻试验，并进行了小批量的生摘要产。 At last, with the improved forming process and accuracy control operation in this thesis, series of experiments of precision gear forging have been implemented.
试验验证了有限元模拟分析结果，并精锻成形出合格的汽车发电机磁极产品。 Experiments of precision alternator pole forging have been made, the qualified alternator pole has been formed, and FEM simulation results are verified by experiments.
随着冷锻技术的不断发展，齿轮特别是轿车直齿圆锥齿轮，可以用冷精锻技术生产。 With the fast development of cold forging technology, the gears especially the gears used in car, can be manufactured in cold precision forging technology.
提出了两类典型结构内齿轮（贯通内齿轮和非贯通内齿轮）的冷精锻成形工艺方案。 The cold precision forging process of two kinds of inner gear with typical structure (hole-through inner gear & non-hole-through inner gear) is proposed.
本文以叶片精锻过程为例，研究了其精锻过程彩色云图及其动态显示的生成原理和实现过程，结果表明，该方法简洁、精确、便于实际运用。 The generation principle and realization of dynamic cloud chart with color in precision forging process of blade are studied, the results show that it is simple, exact and practical.
通过一个典型实例的分析，给出了确定精锻齿坯下料重量的方法。 By analyzing a typical example, this article gives a method of determining the weight of cutting stock during finish forging gear blank.
在总结各种直齿圆柱齿轮精锻工艺的基础上，设计了一种直齿圆柱齿轮镦挤精锻工艺和模具，并进行了实验和上限模拟。 Based on summing up different kinds of technological process of precision forging of spur gear, a new upsetting extrusion process and pattern die are designed.
本文在浮动凹模原理的基础上，提出了数控齿形凹模和冲头联动的斜齿圆柱齿轮的数控动模精锻工艺。 A method of precision forging process for helical gear is developed according to the structure of movable die, in which the upper punch and the die with teeth move down at the same time.