| 1. | Cross sea longitudinal seam and horizontal and vertical seam . 2
1 .横缝或纵缝及纵横缝 |
| 2. | Slitting the process by which wide strip is cut into narrower widths
纵缝?宽钢带切入窄钢带的过程。 |
| 3. | Application of digital detector into position judgment of longitudinal weld defect
数字型探伤仪在纵缝缺陷定位上的应用 |
| 4. | Welding of longitudinal seam
纵缝焊接 |
| 5. | Abstract : expanding and closing technique of core - die of longitudinal seam occlusion machine for automobile silencer and design calculation of such mechanics have been introduced
文摘:介绍了汽车消声器纵缝咬边胀合技术及其咬边芯模机构的设计计算。 |
| 6. | In order to increase productivity , for big size tank welding , saf propose plasma plus tig double torch solutions , welding speed is 30 % to 50 % higher than single plasma torch welding
为增加焊接生产的效率，对于大尺寸工件的环缝何纵缝焊接， saf采用等离子tig双枪焊接工艺，焊接速度比单等离子增加30至50 。 |
| 7. | In order to carry out the fem computation , 3 - d isoparametric joint element of finite thickness is used to simulate the structural jionts such as longtitudinal slots , and lamella finite element is utilized to simulate seams in dam body and fractures in foudation
利用有限厚度三维接缝单元模拟纵缝等结构缝，用薄层单元模拟再生缝及坝基断裂；并对有限元计算所得单元结点应力进行优化。 |
| 8. | The platform can not only get rid of vertical joints lying in construction of railway tunnel , but also decrease the effects of lining construction on mucking and transportation . thereby it can advance construction velocity and guarantee the quality of lining
该台车不仅能消除目前铁路隧道施工中存在的施工纵缝，特别是能减少衬砌施工对装碴运输的影响，从而提高施工速度，保证隧道衬砌质量。 |
| 9. | In harsh climate region , the air temperature changes greatly between winter and summer . rcc dam are usually placed without bulk and longitudinal joints , and left free in winter . thus , it ' s unique thermal stress time - space distribution rule increases the difficulty of temperature control and crack control of rcc dam
由于严寒地区冬季气候寒冷、年内气温变化幅度大；碾压混凝土坝采取通仓浇筑、不分纵缝以及越冬长间歇式的施工方法，使其具有独特的温度应力时空分布规律，更增加了碾压混凝土坝温控与防裂难度。 |
| 10. | The second problem is that after material choice , how can we put the material in proper position to avoid mouthpiece vertically . the third problem is that for every belt of the equipment " s material , what angle can we put the joint weld , because the improperly arrangement of joint weld will reduce the equipment ' s pressure _ bearing ability . the thesis has researched the optimizing condition of material selection and weld joint position arrangement in chemical equipment making technology . the author also discuss the optimized model and develop a stock layout software by using microsoft corporation ' s tools visual basic 6 . 0
本文针对以上问题，根据化工设备生产实践讨论了化工设备制造过程中对材料用料选择的优化及排料时焊缝位置(环缝、纵缝)的优化，建立了用料选择优化计算模型及焊缝位置的优化计算模型，并利用microsoft公司的程序开发工具visualbasic6 . 0开发了化工设备智能排样系统，该系统可以根据用户材料及用户在设备制造过程中各种要求进行优化计算并输出优质的设备制造排样图。 |
