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本文目錄概覽：

• 1、英文翻譯
• 2、武漢沖壓封頭怎么做？
• 3、外文翻譯

英文翻譯

Railway vehicle tanks are storing corrosive medium (except nitric acid of special containers). The design of the steel rail vehicle for detailed craftsmanship and tank sealing head stamping mould design.

This product with material selections cylinder for 1Cr18Ni12Mo2T 12mm thickness of steel, Head of materials for the 1Cr18Ni12Mo2Ti 14mm thick plate. Cylinder of nominal diameter is 2600mm. Design, fabrication, inspection and test - 2005 "should comply with the regulation of the steel pressure vessel.

1Cr18Ni12Mo2Ti austenitic stainless steel is. It has good corrosion resistance and mechanical properties, welding properties and processing properties. The quality is stable, 18-8 in the steel based on the amount of molybdenum, joined the pitting ability was improved.

According to the properties of the product and the structure characteristics, preparation for this product production process. Main railway vehicle assembly is tank welding technology and drum, head of the production. Materials for its forming process, complete machining process and welding process card, Formulate after welding process. In making head, according to the head size head stamping mould design. Combined with the product technical requirements, use NDT hydrostatic test and inspection.

武漢沖壓封頭怎么做？

下面就由林美封頭來簡單的介紹一下沖壓封頭怎么做

作為沖壓封頭其最小厚度應(yīng)符合GB150-1998、JB/T4746-2002及圖樣的要求。設(shè)計圖樣如果用標注厚度的壓制壓力容器鋼板用鋼封頭將不能滿足GB150-1998、JB/T4746-2002的要求。即“成形封頭實測的最小厚度不得小于封頭名義厚度減去鋼板厚度負偏差C1”的要求。

因為從JB/T4746附錄A看出來，沖壓封頭成形后沖壓封頭的厚度減薄率在12%——16%之間。壓力容器用封頭材料一般為容器用鋼，其鋼板負偏差很小。如，GB6654中的20R、16MnR的鋼板負偏差C1為0.25mm。

例如，圖樣標注厚度為6mm的16MAR封頭，用6mm的鋼板壓制成形的封頭其最小厚度最小在6(1%——12%)=5.28mm左右不符合“成形沖壓封頭實測的最小厚度(5.28mm)不得小于沖壓封頭名義厚度(8mm)減去鋼板厚度負偏差C1(0.25mm)”【最小(5.28n(8)-C1(0.25)】的要求”。只能用圖樣標注厚度以上的鋼板壓制壓力容器用鋼封頭，即毛坯厚度應(yīng)大于圖樣標注厚度。

如上例選用8mm的毛坯鋼板成形后的封頭可滿足“當設(shè)計圖樣標注了沖壓封頭成形后的最小厚度，可按實測的最小厚度不小于圖樣標注的最小厚度驗收”的要求。

沖壓封頭平衡纏繞的工藝介紹但所有沖壓封頭都不能實現(xiàn)平衡型纏繞。球型封頭是橢球封頭的一個特例 ,同樣不能實現(xiàn)平衡型纏繞。雖然為了減小基體所受的剪切 ,保持結(jié)構(gòu)變形的均勻和提高結(jié)構(gòu)效率 ,纏繞壓力容器可以采用平衡型等張力封頭或平衡型平面封頭 ,但對于一些有特殊要求的產(chǎn)品 ,其壓力容器封頭的形狀為半球型的也有所難免 ,因此纏繞球型封頭壓力容器的研究勢在必行。

沖壓封頭焊縫變形后不能確保焊縫變形后的質(zhì)量，焊縫變形后的質(zhì)量是否合格應(yīng)由無損檢測結(jié)果判斷。據(jù)此GB150--89與98都取消了這一位置限制，但要求先拼焊后成形的沖孔封頭，其拼焊焊縫成形后應(yīng)進行100%射線或超聲檢測，其合格級別應(yīng)與整個容器一致。

沖壓封頭采取冷壓封頭或者是熱壓封頭，可以在水壓機或者是油壓機上面生產(chǎn)制造，用上下模具和遍圈直接壓制封頭，所以加做沖壓封頭，傳統(tǒng)的壓制工藝，由凸模和凹模組成，凸?；鞠喈斢诜忸^內(nèi)表面，凹模為外表面。加上上、下模板，導(dǎo)柱導(dǎo)套（導(dǎo)向機構(gòu)），退料機構(gòu)，定位機構(gòu)，形成一套冷沖壓模具。

外文翻譯

Cooler temperatures means that two different fluids for heat exchange equipment. It is widely used in chemical, petrochemical, power, medicine, metallurgy, refrigeration, light industry, the field of desalination, such as a general-purpose industrial equipment. Floating cooler is a highly efficient cooler. When a larger temperature difference between the two media, the control and no temperature difference between shell stress. Floating Head removable side structure is designed so that control can be easily inserted or extracted, such as maintenance and cleaning more convenient.

Cooler E111 is a floating head pressure vessel class Ⅰ. Floating Head Type, specification: 900 12 6199/19 2, cylinder material for 16MnR, took over the material 10 #, tube box heat treatment, processing the second flange tube box, AB seam detection RT-20%, JB4730-94, inside the shell-rich medium for coking gas tube with water medium.

? The task is to complete the design of floating cooler E111 Manufacturing process design and quality control program design, the completion of the work of the main floating cooler E111 preparatory process for the manufacture of: the acceptance of materials, management, steel, purification, orthopedic, Cutting, cutting, etc.; head stamping die design, including convex and concave mold blank holder of the design size, etc.; the main parts manufacturing process design and quality control program design, including: head, cylinder design and manufacturing process control panels, baffle design of the processing technology and to determine the corresponding quality control program; E111 floating cooler assembly process design, including control boxes, control, shell assembly process design and testing program design, completed a floating cooler E111 The total assembly process design, and determine the use of hydraulic pressure test to detect the quality of the program.

Floating Head E111 completed cooler manufacturing process of the preparation of cards; and E111 drawn cooler floating head assembly diagram, parts diagram, parts diagram.

Key words: Floating Head Type; cooler; manufacturing process; quality control

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