The company has three Large-Scale- Boxcar- Gate –Cold- Bending –Shapers and Chassis Summer Beam Cold Bending Shapers ,two chassis riveted joints production lines, one chassis spurts spreads production line. It also has great forging and stamping equipments, plate cutter, hydraulic press and sheet knee bend machine etc. In addition the company has the mold development equipment such as lathe, line cuts, digs bed and so on and has power which develop and produce kinds of truck using in agriculture ,light truck ,chassis of car. The sum of product is exceed 60,000 wraps in one year.

公司擁有大型車廂欄板冷彎成形機亚洲18一区视频、底盤大梁冷彎成形機三臺人人干全免费黄色视频，二條底盤鉚接生產線色色色丝袜，一條底盤噴涂生產線，擁有大噸位沖床狼色精品中文字幕在线视频、剪板機日韩午夜精品福利久久、液壓機和板料折彎機等鍛壓設備，及車床欧美精品一区二区福利视频一区、線切割性欧美69式XXXXX、刨床等模具開發(fā)設備，具備各類農用車国产色在线观看手机在线观看、輕卡AV永久无码天堂网毛片、汽車底盤的開發(fā)和生產能力，年生產能力逾六萬臺套国产99。

Several problems of lubrication design ,such as lubricants,relationship of frication coefficient and pressure,surface treatment of mould and lubrication condition,were stated.

分析了大型覆蓋件拉延成形的潤滑特性黄色视频A级毛片，比較了各種潤滑劑的潤滑性能，探討了潤滑劑的選擇久久精品久久精品国产大片，指出了潤滑設計應考慮潤滑劑在线观看国产综合日韩视频、摩擦因數(shù)與壓邊力的關系以及模具表面處理與潤滑狀態(tài)等問題，對大型覆蓋件拉延成形具有指導作用一区二区色。

The properties of the work—material have a decisive influence on heat generation and tempe rature distribution in the compo nent.the changes in process conditions wi ll produce pronounced differences on the scale of temperature increases and distribution.

在成形加工中由于熱膨脹和冷卻的影響偷拍精品日韩视频，工件和模具中溫度的變化將影響工件的成形精度。

The difficulty of aluminum alloy shell workpiece with empennages was analyzed during plasticity forming, and its forming process and die designing was introduced.

分析了帶尾翼鋁合金殼體零件在塑性成形過程中的難點av毛片在线看，介紹了殼體零件的成形工藝與模具設計的方法毛片免费地址。

The basic principle is to use a series of rules with a high degree of adjustable basic body Based on the basic body of the real-time control, to construct the required shape forming face, replace the traditional mold of the plate to achieve rapid 3D-Forming.

其基本原理是利用一系列規(guī)則排列、高度可調的基本體青青女在线被干视频，通過對各基本體的實時控制www干干干操操操，構造出所需形狀的成形面，取代傳統(tǒng)的模具來實現(xiàn)板材的三維曲面快速無模成形国产一区二区免费A片。

Temperature change in the component and die during the forming process have a direct influence on the component.

在高精密冷成形加工中人人摸人人操人人判人人干人人，工件和模具的溫度變化直接影響工件的成形精度。

Finite element method ; shape optimization ; sensitivity analysis ; material forming ; preform design ; die design

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The different friction coefficient between tube and die is one of the important influences in tube hydroforming. Reduce the friction as possible, it can not only benefit to tube forming, but also reduce axial force effectively.

不同的管坯和模具之間的摩擦系數(shù)也是影響管坯成形的重要影響因素之一，要盡量減少摩擦黄色A片免费看一级，不僅有利于管坯的成形免费裸体黄网站，還能有效地減小軸向力。

There are many problems in the carling forming and unloading processes such as expand and shrink of U section wall, the torsion of U section and the warp of carling head.

針對縱梁沖壓成形及卸載后發(fā)生的U型截面?zhèn)缺诘耐鈹U激情在线小说视频、內縮亚洲怡红院久久精品综合、扭轉以及縱向端頭翹曲等問題欧美黄色二区，首先分析了縱梁的成形及回彈變形機理，利用仿真分析軟件KMAS進行了數(shù)值模擬并采用半解析国产精选午夜福利91在线、半實驗方法研究了縱梁底面翹曲亚洲狼友视频网站，找出模具結構的最佳方案。

There are many problems in the carling forming and unloading processes such as expand and shrink of U section wall, the torsion of U section and the warp of carling head. These problems are concerned by the carling factories and do not solved for a long time. The mechanism of the carling forming and spring back is analyzed. The carling forming and spring back processes are simulated by KMAS software. The warp of carling underside is researched by half analytic and half experiment method and the best scheme is found by this method.

針對縱梁沖壓成形及卸載后發(fā)生的U型截面?zhèn)缺诘耐鈹U一级a在线看片、內縮人人插人人摸人人插、扭轉以及縱向端頭翹曲等問題，首先分析了縱梁的成形及回彈變形機理日本黄色片A三级三级三级，利用仿真分析軟件KMAS進行了數(shù)值模擬并采用半解析尤物视频网址免费看、半實驗方法研究了縱梁底面翹曲，找出模具結構的最佳方案国产区露脸在线视频。