查询词典 drop forging

Experience in drop forging has also indicated that surface treatments of their dies have not been particularly successful.

在落锤锻造上的经验也表明它们的模具表面处理也不是特别成功。

There are many factors influencing hot die forging quality of turbine blade ,such as material property,billet outline and size,die forging method and plan,die cavity structure and drop forging equipment,etc.

有许多因素影响汽轮机叶片的模锻生产质量，例如，材料性质、毛坯外形及尺寸、模锻方式及工艺、模腔结构与锻压设备等。

The cylinder of drop forging hammer was improved with oilless lubrication technique.

运用气缸无油润滑技术对模锻锤进行技术改造，使气缸和活塞的使用寿命延长，大大降低了设备的维修费用，也改善了机器的使用性能。

The company and casting, drop forging heat treatment, machining, assembly, factory test workshop, and advanced machining center cluster to form a relatively complete processing system, and corresponding with the support of production, physical and chemical research laboratory, metallography laboratory, the length of metrology, machine parts and detection means and institutions.

公司设有铸造、锻工热处理、机加工、装配、出厂试验车间，以及先进的加工中心机群，形成比较完整的加工体系，并相应配备了支持生产、科研的理化实验室、金相化验、长度计量、零部件及整机检测手段和机构。

A wide variety of forging processes are used, and Fig.9.1 shows the most common of these: drop forging. The metal is heated to a suitable working temperature and placed in the lower die cavity.

锻造有很多类型，图 9.1表示最普通的落锤锻造：金属加热到适合加工的温度，并放进下型腔里。

These components are usually made of iron- or copper-base alloys and very small, so powder metallurgy offers a better method than the processes involving machining, drop forging, die casting, pressing etc.

这些部件一般是铁基或铜基合金，而且尺寸很小，因而用粉末冶金法制造比用切削加工，模锻，模铸，冲压等方法更好。

Has broken the traditional forging craft, uses expands takes shape, to Bearing circle, the tooth rim, the flange ring-likeforging carries on from the diameter 50-1500m components expandshammers, the free forging use set of drop forging craft.

打破了传统的锻造工艺，采用辗扩成型，对轴承圈、齿轮圈、法兰的环形锻件从直径50-1500mm的零件进行扩锻、自由锻件利用套模锻工艺。

Although the hydraulic forging press is a more expensive piece of equipment than a drop-forge, it has advantages beside those of giving greater strength and more uniform structure to large components.

虽然这种液压锻机比落锤锻造要昂贵得多，但它除了能给予大零件较高的强度和更均匀的组织外还有其它优点。

The influence of strength level and surface strengthening of 5CrNiMo steel on the impact fatigue property in the range of hardness required by hot drop-forging die steel is investigated.

研究了5CrNiMo钢在热锻模要求的硬度范围内，材料强度水平和表面强化对冲击疲劳性能的影响。

The rationality is discussed that fatigue life and fatigue crack growth rate determined in impact fatigue testing are used as a measure of fatigue cracking resistance of hot drop-forging die steel.

本文探讨了用冲击疫劳试验测定的疲劳寿命和疲劳裂纹扩展速率衡量热锤锻模材料疲劳抗力的合理性。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。