残余应力的大小及其分布规律对旋压件的使用性能有重要的影响。
The magnitude and distribution of residual stresses have an important influence on used property of spun parts.
筒形件强旋时,由于不均匀的塑性变形,在旋压件内产生残余应力。
Because of the nonuniform plastic deformation, residual stresses occur in spun parts.
研究旋轮轴向进给比、主轴转速等工艺参数对旋压件成形质量的影响规律。
Then, the effects of the main process parameters, such as feed rate and spindle speed are also explicated, and the influence laws are obtained.
介绍了滚珠旋压的基本原理,以塑性力学为基础,分析力学参数对旋压件成形性的影响。
The basic principle with respect to ball spinning is introduced, and based on plastic mechanics, the influence of mechanical parameters on formability of spun parts is analyzed.
旋压过程中保持一定的负偏离(3%左右),同时采用较大的进给比有利于提高旋压件精度。
Moreover, keeping negative error (3% or so) of wall thickness and adopting big feeding rate are beneficial to improve the precision of spinning parts.
实验中通过采用LF 2和LY 12两种铝合金筒坯,获得金属材料的塑性和屈服强度对旋压件可旋性影响的一般规律。
During experiments, aluminum alloy LF2 and LY12 are used in order to obtain the influence of plasticity and yield strength of metal materials on spinnability of spun parts.
对于压配合来说,对公差极为挑剔,因为如果结合件的配合尺寸相差过大的的话,那么在试图强行压配到一块时极易将其损坏。
Tolerances for press fits can become very critical because parts can be easily damaged by attempting to press fit them if there is an excessive difference in their mating dimensions.
上海京扬紧固件有限公司是专业生产、销售京扬系列压铆紧固件、非标件及部分标准件的大型企业。
Shanghai Jingyang fastener co., Ltd. is a large professional company in manufacturing and exporting self-clinching series fasteners and non-standard fasteners.
在屋盖结构设计中,用钢管混凝土轴心受压杆件作为网架的压杆。
In the roof cover structure design, the steel tube con - Crete axis pressed rod was used as a press rod of network frame.
压模,软件产品的主拷贝,需要极大的精度去生产,是工厂的一件弥足珍贵的物品。
A prized object in the factory is the stamper, the master copy of a software product that takes great precision to produce.
本文统一分析了轴心压杆三种常用截面的板件宽厚比限值。
This article presents a unified analysis of the limiting slenderness of plate elements of compression members with three commonly used sections.
因此,通过多道次滚珠旋压可实现大减薄量薄壁筒形件的旋压成形。
Therefore, the spinning of thin-walled tube with large thickness reduction can be realized through multi-pass ball spinning.
温压是以较低的成本制造高性能铁基粉末冶金零部件的新型成形技术。
Warm compaction is a new forming technique for fabricating high performance ferrous P/M parts at lower cost.
零件压实后通过烧结炉。
After compaction the components pass through a sintering furnace.
通过采用真空压差铸造工艺,结合铸造型壳的制造,成功制造出金属零件。
Some metallic parts are successfully fabricated using a vacuum pressure difference casting technology and a casting mould shell technology.
镀锌舾装件保护、车间底漆刷涂、预涂及其他要求同压载舱一致;
Protection of galvanization fittings, shop primer, stripe coat and other requirement etc. should be same as water ballast tank.
粉末冶金(图5.1)采用烧结工艺将金属粉末制成各种各样的零件。金属粉末放在封闭的金属腔(模具)中在压力下被压实。
Powder metallurgy (Fig. 5.1) USES sintering process for making various parts out of metal powder. The metal powder is compacted by placing in a closed metal cavity (the die) under pressure.
筒形件强力旋压是一种连续的局部复杂变形过程。
The tube power spinning forming is a continuous local large deformation process.
在对建设项目的场地平整中,压实系数值的确定实属一件不易之事。
For land leveling of any construction project, compacting factor is not an easy thing to be determined.
针对柔性套管约束杆件,研究了轴压杆件与约束杆件点、线接触时的约束屈曲。
The buckling of an axially compressive strut constrained by a flexible sleeve is studied for the cases of a single point contact and a curved line contact between the strut and the sleeve.
由于受到材料成形极限等因素的限制,成形此类回转体零件往往需要采用多道次旋压工艺。
Because of the limitation of material forming limit and other factors, it is necessary to produce this kind of parts by multi-pass spinning technology.
针对锁紧片零件,设计了折弯压凸复合模,并介绍了模具结构和工作过程。提高了产品质量以及生产效率。
The bending and pressing convex forming compound die for locking spring is designed, the die structure and pressing process are introduced, the product quality and production efficiency are improved.
分析了后减震器帽的成形工艺,介绍了成形该零件的拉深模、翻边模以及旋压模具结构。
The forming technology of rear shock absorber cap is analyzed, and its drawing die, flanging die and spinning die structure are also introduced.
温压工艺在制造低成本、高密度、高强度、高精度异形复杂的粉末冶金零件方面具有巨大的优势。
The technique of warm compaction has huge advantage in manufacturing the low cost, high density, high strength and high fineness powder metallurgical parts.
作为一种连续局部塑性成形工艺,滚珠旋压被应用于制造铝合金薄壁筒形件。
As a successively and locally plastic deformation process, ball spinning is applied for the purpose of manufacturing thin-walled tubular parts of aluminum alloy.
针对锁紧片零件,设计了折弯压凸复合模,并介绍了模具结构和工作过程。
The bending and pressing convex forming compound die for locking spring is designed, the die structure and pressing process are introduced, the product quality and production efficiency are improved.
首先建立零件的拉延模型,从冲压方向、工艺补充面、压料面、坯料初始形状等方面进行设计分析。
Firstly, the stamping model of the part is built, and the design is focused on drawing direction, shape of addendum and blank-holder surface, initial shape of blank, and so on.
分析了塑件的工艺性,给出了实用的压模结构,论述了模具结构设计和工作过程。
Based on the analysis of the technological characteristics of the moulded part, the practical die structure was presented, the structure design and working principle of the mould were discussed.
分析了塑件的工艺性,给出了实用的压模结构,论述了模具结构设计和工作过程。
Based on the analysis of the technological characteristics of the moulded part, the practical die structure was presented, the structure design and working principle of the mould were discussed.
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