Die life was one of the problems in cold rotary forging.

模具寿命是冷摆辗的关键问题之一。

Shape of spiral bevel driven gear is complex and rotary forging process is also difficult.

从动螺旋伞齿轮的形状复杂，摆动辗压难度大。

On these bases, a relationship between the vibration system and rotary forging technical parameters is defined.

在此基础上确定了液压激振系统工作参数与振动摆动辗压工艺参数之间的关系。

Rotary forging is a new technology in plastic process. It is a non-symmetrical and continuous plastic deformation.

摆动辗压是一种新兴的塑性加工工艺，属于非对称连续塑性变形。

The forming of automobile′s half shaft by rotary forging technology has been analyzed and a new technological project put forward.

针对汽车半轴摆辗成形进行了工艺分析，提出了一种新的工艺方案。

This paper introduces the method of volume calculation in rotary forging CAD and derives the current formulas and works out the programme in BASIC.

本文介绍了回转体锻件CAD中锻件体积的计算方法，推导出了通用的计算公式，并编制了BASIC程序。

In this paper, densification laws of rotary forging powder sintered preforms and the property of components have been investigated with orthogonal experiment method.

本文利用正交实验等方法在自行设计的实验装置上对粉末烧结体的摆辗致密规律及压实体的性能进行了研究。

In this paper, the pressure distribution and the choice of die material and Heat treatment technology was studied. Based the principle of cold rotary forging process.

基于摆动辗压工艺的基本原理，分析研究了冷摆辗模具的受力情况，并对冷摆辗模具材料的选择及热处理工艺作了探讨。

This paper describes basic conception and characteristics of quickly hot rotary forging, parameters of experimental equipment and experimental results, and the analysis of results.

此文介绍了快辗技术的基本概念及特点，所用的实验设备的参数及实验结果。以及对实验结果的分析。

Structure of the rotary forging die of a none symmetrical abnormal part have been analysed and calculated based upon plastic theory, however lower service life of die in mass production.

根据塑性理论对汽车上一个非对称异形零件的摆辗模具结构进行了分析计算，但是在实际中始终存在模具寿命较低的缺点。

The titanium and titanium alloy wire were produced by rotary forging, two-roll mill as well as old fashioned three-roll mill had high cost, low precision and poor organizational performance.

针对旋转锻造、二辊轧机和老式三辊轧机生产钛及钛合金线材成本高、精度低、组织性能差的现状。

A new precision forming technology was presented, which uses an ordinary forging machine and a high precision rotary forging machine to make the closed-tolerance semi-axle bevel gear forgings.

论述了精锻汽车差速器半轴齿轮原模具结构存在的问题，改进了锻造工艺和锻件设计，设计了新型粗锻模和精压模。

A rotary forging component as an accessory of hydraulic press is developed to extend the function and efficiency of the press. The laboratory experiments of this new component are carried out.

提出在液压机滑块上增加附件，扩展液压机功能以提高其利用率的构想，并在安装了摆辗装置的语压机上进行了镦挤摆复合新工艺的试验验证。

The theoretical derivation shows that the vibro-rotary forging efficiency is directly proportional to the vibration frequency and feedrate and higher than that of longitudinal vibration forging.

通过本文的理论推导表明，扭转振动摆动辗压的效率与振动频率和进给速度成正比，扭转振动摆动辗压成形的成形效率比纵向振动摆动辗压成形的成形效率高。

In order to avoid the problem once more, technological measures were adopted to direct against defects during forging, cracking was not occurred in following hot-rolled rotary …

在锻造过程中采取了有针对性的工艺措施，在后续生产中再未发生开裂现象。