B120型地铁铝合金车体为整体承载全焊接结构，主要采用大型中空铝合金型材组焊而成。
The type B120 metro vehicle aluminum car body is overall load bearing structure, which is mainly made from large aluminum extrusions connected by welding.
介绍了风机集流器弧段压型、组焊的工艺方法。
The method of segmental arc pressing and combinational weld technology of fan collector is introduced.
通过预组装，施工现场组焊质量和周期得到了保证。
Quality and schedule of group welding on site has been improved through pre-assembly.
该机的螺旋叶片采用盘形钢带轧制或单片组焊而成的整体连续叶片。
The screw plate is made of tray steel or welded single piece steel, so it is a whole one and continuous.
介绍了刘家峡水电厂不锈钢转轮在现场组焊和更换中的若干技术措施。
In this paper, the technical measures for replacing and Welding stainless steel runner at Liujiaxia hydropower station are introduced.
介绍了对风机叶轮前盘采用分段压型和组焊的工艺方案以及制造工艺的过程。
Sectionally pressing and assembled weld technology of front disc on fan impeller is introduced.
车架：车架采用16Mn车用钢板制成的焊接式纵梁和整体贯穿式横梁组焊而成的空间框架结构。
Frame: the frame is made into a space frame structure, including the welded longitudinal beam and the whole pulling-through crossbeam, of which are made of 16mn vehicle steel.
介绍了下交叉支撑转向架的结构特点和关键技术参数，对侧架导框的加工、侧架与支撑座的组焊和转向架的组装工艺等着重进行了分析。
Mainly analyzed are the technologies in processing of side frame guides, assembly by welding of the side frame and braced seat, and assembly of the bogie.
目前，国内带有立辊组的直缝焊管成型机大都采用双半径孔型。
The double radius hole type was commonly adopted for the forming machine of straight weld pipe with vertical roller in domestic present.
技术特点：本生产线具有翼板与腹板自动对中组立、翼板变形矫正、焊板速度可调等功能。
Technical character:This machine can perform the centering and assembling of both flange and web automatically, straightening of flange deformation, welding speed adjustment.
管道全位置自动内焊机适用于大口径管道焊接施工过程中组对管口、完成根焊。
Pipeline inner loop welder is applicable for big-caliber pipeline welding in construction procedure to joint the ends of pipes and fulfill roots welding.
在成型和定径时运用成组技术，可用一套开口孔型辊、定径辊生产一组外径相近的焊管。
With the grouping technique it is allowed to produce a group of tube sizes with similar O.
从安装、组对、焊材选用、焊接顺序、坡口形式到焊接检验、验收标准均进行了详细叙述。
The inspecting standards from installation, selection of materials, welding sequence and groove shapes to the welding check are given a minute description.
从安装、组对、焊材选用、焊接顺序、坡口形式到焊接检验、验收标准均进行了详细叙述。
The inspecting standards from installation, selection of materials, welding sequence and groove shapes to the welding check are given a minute description.
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