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Cold has two methods: one is the cold-drawing method is to pipe through the tube drawing die, so that tapered pipe, elongation; Another method is to cold-rolling method, it is to Mannesmann brothers invented Meng Hot Rolling Mill of the methods used in cold working.

冷加工有两种方法：一种是冷拔法，就是将钢管通过拔管模拉拔，使钢管逐渐变细、伸长；另一种方法是冷轧法，它是将孟内斯曼兄弟发明的热轧机应用于冷加工中的方法。

The mechanism rolling straight wedge plate used to simple rolling machine is analyzed in this study.

本文从理论上对简易轧制机轧制近似直斜边板材机构进行分析。

The precision of gauge control of hot-rolled strip is directly affected by the calculating precision of rolling force model, where the rolling pressures in the models are mostly decomposed and become the product of the influence coefficient in stress state arid resistance to deformation.

轧制力模型的计算精度直接影响热轧带钢厚度控制精度，目前大多数轧制力模型都把轧制压力分解成应力状态影响系数和变形抗力的乘积。

Panellists include International Construction Machinery Company is vice chairman of the Council of units are a member of the Aluminum Group, and Baoshan Iron and Steel, On this, such as the Northeast Special Steel Group has set up stable cooperative relationship, and Northeastern University to obtain technology and rolling and rolling automation of key national laboratories, technical support.

宏昌公司是国际工程机械理事会副理事长单位，是中铝集团成员之一，与宝钢、鞍本、东北特钢等集团公司建立了稳定的合作关系，并取得东北大学轧制技术及连轧自动化国家重点实验室的技术支持。

In order to predict the deformation variables during hot rolling and the mechanical properties of the product, a mixed analytic-numerical method for hot rolling and cooling process of plate is established in this paper.

为了预报轧制变形参数和产品的力学性能，本文建立了板材热轧和冷却过程的复合解析数值模型，为优化热轧工艺参数提供了一种新的工具。

This article provides the theoretical base on the punching, press and welding process of Q450NQR1 high strength anti-corrosion steel in application of rolling stocks, and points out the direction for rolling stocks to use high strength steel with higher yield limit for manufacturing.

为将来在铁路货车上使用更高屈服极限的高强度钢提供思路并指出方向。

The high precise CNC equipment, such as Slow-feeding wire-cut machine, jig grinding machine and electric discharge machine, ensures the top quality precision of mould processing, with the high efficient and environmental protection acid rolling line being the largest raw material converting equipment in the field in china; The wildly use of automatic milling machine, high-speed automatic feeding punch, high speed automatic rolling and assembling machine guarantees the high quality and efficiency of components and chain making.

公司设备先进，拥有慢走丝线切割机、座标磨床、电火花加工等高精度数控设备，保证模具加工达到一流精密水准；先进高效、环保的连酸连轧线是中国链条行业内最大的原材料改制设备；自动铣扁机、高速自动送料冲床、高速轧销机、高速卷管和高速自动装配机等的广泛应用，保证了零件和链条制造的高质量和高效率。

LEI Fu-than international iron and steel products Ltd. is a professional rolling wire drawing, welding wire professional production plant, with production lines rolling smelting many sets of production equipment, has occupied the port and train lines, and convenient transportation.

比雷福国际钢铁制品有限公司是专业轧制拉丝线材，焊接线材的专业生产工厂，拥有轧钢生产线等冶炼生产设备多台套，拥有自用港口及火车专线，交通便利。

For the optimization of mechanism design of rolling cut shears, a CAD software of rolling cut shears was developed and was used for the analysis of the factors such as crank radius, link rod length, phase difference, center distance of cranks and the offset position of upper blade carriage, which influenced the cutting quality, strength parameters and the load of main parts.

为了实现滚切剪机构设计的最优化，开发了滚切剪计算机辅助设计软件，利用该软件对影响滚切剪剪切质量、力能参数以及主要杆件受力的曲柄半径、连杆长度、相位差、曲柄中心距以及上刀架偏移量等因素进行了分析研究。

Of wheel load, optimum pressure, mean grounding specific pressure, rolling speed and rolling times are pre

运行速度及最佳碾压遍数等参数的确定方法，并结合轮胎压路机的特点，提出了具体使用要求。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48