The grain size at a bending part is ensured by using the cold bending method.
采用冷弯方法，可以保证弯曲部位的晶粒度。
This paper put forward a semi-analytic semi-numeric method to analyze the cold bending of the hubcap.
该文提出一种半解析半数值的分析方法，对汽车轮辋挡圈的冷弯过程进行了分析。
Structural main beam: steel plate cold bending U type groove plus middle vertical rib plate combination.
结构主梁：钢板冷弯U型槽加中幅立筋板组合。
The medium plate produced by Anyang Steel has stripe type silicate inclusions, which is the direct reason of cold bending.
安钢生产的中板普遍存在着条带状的硅酸盐夹杂，这是引起中板冷弯开裂的直接原因。
The result shows that the unqualified cause of cold bending strip steel is high oxygen content, high inclusion content, etc.
结果表明，钢中夹杂物多和氧含量偏高是导致压扁断裂的主要原因。
The result shows that the unqualified cause of cold bending strip steel main is high oxygen content, high inclusion content, etc.
结果表明：钢中氧含量高、夹杂物多是导致带钢冷弯不合格的主要原因。
The higher the cooling rates, the greater the thermal stress, and the lower the toughness and the cold bending property of test sample.
冷却速度快，试样产生的热应力大，导致冲击韧性及冷弯性能降低。
Cold bend section steel is the main material, the production of light steel structure is made of steel or steel with cold bending forming.
冷弯型钢是制作轻型钢结构的主要材料，采用钢板或钢带冷弯成型制成。
The macroscopical survey and micro cosmic analysis of unqualified cold bending test samples of Q235and HP295hot -rolling plate had been stu died.
对Q235及HP295热轧板冷弯不合格试样进行了宏观观察及微观分析。
A hot-rolled plate cracked during cold bending process. Scanning Electron Microscope and Optical Microscope were used to investigate the cracked plate.
采用扫描电子显微镜和光学显微镜观察了热轧板在冷弯过程中开裂试样的断口形貌并进行了成分分析。
The result shows that the inclusion, high cooling speed and uneven of cooling speed after rolling are the main reasons for steel plate cold bending rupture.
结果表明，钢板中有较多的非金属夹杂物及轧后冷却速度过快和冷速不均匀是导致冷弯性能不合格的主要原因。
The invention relates to a process for forming and welding closed-end cold-bent section steel, belonging to the technical field of the cold bending and forming.
本发明的一种闭口冷弯型钢的成型与焊接工艺，属于冷弯成型技术领域。
The cold bending property is one of the important targets for the hot rolled strip, the cold bending test is required inspection item stipulated in the standards.
冷弯性能是热轧中薄板带材的重要指标之一，冷弯试验是标准规定的必检项目，但在实际生产中经常出现冷弯不合格现象。
The cold-bended crack in the hot rolled plate Q345 can be eliminated by adoption of heating-cold bending process as well as improvement of the cleanliness of the steel.
采用加热-冷弯工艺和提高钢纯洁度可避免Q 345热轧钢板冷弯裂纹的产生。
Results show that the primary cause to the laminar defect of the umbrella bone steel in the process of cold bending to U-shape is the severe carbon segregation in the steel band.
结果表明，钢带中部严重的碳偏析是导致在冷弯成U形伞骨时，形成钢带分层的主要原因。
Arched-corrugated metal roof( ACMR) belongs to cold-bending thin wall steel structure, of which the stability is a key factor influencing its bearing capacity.
金属拱型波纹屋顶结构属于冷弯薄壁构件，稳定问题是影响其承载能力的关键因素。
Introduce the design of a cold-bending machine forming craft and working process of cutting for wire slot products.
介绍了护线槽产品的冷弯机械成形工艺的设计及切断的工作过程。
The results of FEA method for cold-bending elbow predicted that the point of maximum stress is transferred from intrados to extrados with the increase of the wall thinning.
并应用有限元方法分析了冷弯弯头的应力状况，得出其最大应力发生点随着外拱处壁厚减薄量的增大而向外拱处转移。
The utility model discloses a hoisting structure for side vertical rolls of a cold-bending roll forming machine, belonging to rolling machinery field.
本实用新型公开了一种冷弯轧机侧立辊吊装结构，属于轧制机械领域。
Roof purline is adopted with cold-bending and thin-wall steel (Q345), knee bracing, roof horizontal bracing and purline drawn rod Q235.
本工程屋面檩条采用高冷弯薄壁型钢材质Q345，隅撑，屋面水平支撑，檩条拉条材质均为Q235。
The mechanical elbow, hot-bending bend, cold-bending bend and elastic installation can be used to handle pipeline corners in design of gas pipeline.
在燃气管道设计中对管道转角的处理，可以采用机制弯管、热煨弯头、冷弯弯管、弹性敷设。
In the investigation of wall-thickness formed in the actual manufacture process, the variation of thickness in hot-bending and cold-bending were compared.
通过对实际生产中弯头壁厚的调研，分别考察热推、冷弯工艺对弯头壁厚改变的影响。
In chapter 7, the tests and applications of the PLC control system of the frame cold-bending machine with mechanical hands are introduced briefly.
第7章简要介绍了机械手肋骨冷弯机PLC控制系统的调试和应用情况。
The invention relates to multi-cylinder built-up section cold-bending automatic molding equipment and a processing method thereof.
本发明是一种多缸组合型材冷弯自动成型装备及其加工方法。
The invention relates to multi-cylinder built-up section cold-bending automatic molding equipment and a processing method thereof.
本发明是一种多缸组合型材冷弯自动成型装备及其加工方法。
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