480四机架无头冷连轧机组.doc

480四机架无头冷连轧机组Vietnam 480mm 4-Hi 4-stand cold rolling mill技术规格书Technology specification1.0, purpose of unit 1.0 、机组用途: 750mm Tandem mills use low carbon steel, thickness is 2.5-3.5mm and wide is 400-600mm coil in common state, Can complete the whole rolling process four pass, rolled into the cold rolled strip coil with required thickness and surface finishing 480mm四辊四连轧冷轧机组是在常温状态下，将材质为低碳钢，厚为2.04.0mm宽为200350mm的带卷，经四个道次冷轧制，轧制成各类规格的具有所需厚度、表面粗糙度的冷轧带卷。 2.0. Material specification 2.0、材料规格 Material: low carbon steel 材料: 低碳钢Delegate steel No.: SPCC, SPCD, SPCE, Q195, Q215代表钢号：SPCC、SPCD、SPCE、Q195、Q2152.1、Input material size来料的尺寸Width: 200 mm - 350 mm宽度：200mm 350mmThickness: 2.0 4.0mm厚度： 2.0 4.0mmOuter diameter of steel coil: Max1400mm钢卷外径： Max1400mmInner diameter of steel coil: 500mm钢卷内径： 500mm Max. coil weight: 12MT 最大卷重： 3mt2.2. Finished product size2.2、成品的尺寸 Width: 200mm - 350 mm宽度200mm - 350 mmThickness: 厚度 0.22.0mmOuter diameter of steel coil: Max1400mm钢卷外径： Max1400mmInner diameter of steel coil: 500mm钢卷内径： 500mmMax. coil weight: 3MT最大卷重： 3mt Capacity per year: about 90000mt 年产量： 约5万吨 3Unit speed: Max speed at 4# stands exit: 5m/s Feeding speed: 0.3m/s3机组速度：4# 机架出口最高速度： 5m/s喂料速度： 0.3m/s4Max rolling force: 3500KN4最大轧制力：3500KN5Mill parameters: Work roll: 200/190x480 Backup roll: 550/530x430 Screw down mode: hydraulic screw down(speed: 2mm/s) Tension at 1# stands entrance: 200kg Tension between stands: 5000kg Coiler tension: 5001000kg Coiling type: upper Pass line adjustment: bevel-wedge type Max gap: 20mm Pass line elevation: +800mm Rolling mode: endless rolling5轧机规格参数：工作辊：200/190x480支承辊：550/530x430压下方式：液压压下 （速度 2mm/s）1#机架入口张力：200kg机架间张力：5000kg卷取机张力：5001000kg卷取方式：上卷取轧线调整：斜楔式最大开口度：20mm轧线标高：+800mm轧制方式：无头轧制3.0. Main features of the rolling mill:3.0设备特点3.1. Total hydraulic screw up with AGC control3.1.全液压压上，液压AGC自动控制3.2. Mill is controlled by PLC automatically, adopt PROFIBUSS network communication technique3.2.机组采用西门子S7-400 PLC自动控制，并采用现场总线构成全机组网络系统。3.3. Main operation desk equipped with human-machine interface, showing dynamic menu, for rolling parameters set- up, trouble alarm and printing report3.3.主操作台设有人-机界面，完成动态画面显示，轧制工艺参数设定，故障报警和打印报表。3.4. Digital, 4Q DC drives 6RA70 for all DC motors3.4.所有直流电机采用数字四象限直流驱动6RA703.5. Two work rolls are driven separately3.5.两个工作辊单独传动3.6. Positive bending control of the work rolls3.6. 工作辊正弯辊控制3.7. Pass line set-up with tilted wedge adjustment3.7. 斜楔调零3.8. Quick exchange of work rolls and backup rolls3.8. 工作辊、支承辊快速换辊3.9. Mill velocity and tension control automatically34.9. 机组速度，张力自动调整3.10. Strip break protection, trouble alarm,3.10. 断带保护、事故报警3.11. Adopting -ray gauge meter or X-ray gauge meter to measure strip thickness (optioned by customer)3.11、采用射线测厚仪或者X射线测厚仪（客户自选）4.00. Electrical control system4.00. 电气控制系统4.1. DC drives4.1.直流驱动Use of SIEMNS 6RA70 4Q, digital drives expanded with local quality stacks to the powerful whole sets required. The whole sets include cabinet, ME switch, 6RA70 drives, copper bar, contactor, low voltage electric devices.使用西门子6RA70,四象限数字调速器，用国产高质量大功率可控硅组件进行扩容。整套装置包括箱体，ME 开关，6RA70调速器，铜排，接触器，低压电器等。4.2. AC auxiliary drive control cabinet4.2. 交流辅助传动控制柜This part covers electric control equipment for auxiliary drives of the mill, pumps of hydraulic systems and lubrication systems and so on.这部分包括轧机辅助传动，液压系统、润滑系统的泵站等的控制。4.3. Automation of the mill4.3.轧机自动化1) It adopts PLC and HMI interface, fulfils communication all of control DC drive including rolling velocity control, automatic acceleration and deceleration, precisely stopping, pass line adjustment automatically, account for coil diameter for tension reel and pay-off reel, friction and dynamic compensate, tension account, inch and connection movement control, emergency stop and protection. 1)采用PLC和人机接口，完成所有直流调速器的控制和通信，包括轧机速度控制，升速和降速控制，精确停车，轧线自动调整，卷取和开卷机的卷径计算，摩擦和动态的补偿，张力计算，点动和联动控制，事故紧急停车及保护等。2) Through Profibus and ET200B, ET200M and ET200S, to implement control of hydraulic pumping station, pneumatic drives and all other AC motor.2)通过通信母线和ET200B, ET200M and ET200S模块，执行液压泵站, 气动和其他交流电机的控制。4.4. HMI interface4.4.人机接口It is equipped with the PROTOOL, PROFIBUS and other soft wares. The operators can set the rolling parameters and monitor and record the actual rolling data on the operation desk配备有PROTOOL, PROFIBUS 等软件, 操作工可在操纵台上设定轧制参数，监控和记录实际轧制数据。4.5. Hydraulic screw down and AGC electrical control4.5.液压压下和AGC电气控制Adopt AGC control system made by our company. Its main features are as follows:采用AGC控制系统，主要功能如下：4.5.1. APC function for controlling roller gap4.5.1.控制辊缝的APC功能4.5.2. AFwC function for rolling force control4.5.2.控制轧制力的AFwC功能4.5.3. APC and AFwC smooth switch-over function4.5.3. APC 和AfwC 平滑切换功能4.5.4. Roll gap adjustment function, thickness set-up and roller tilt set-up function4.5.4.辊缝调整功能，厚度设定和轧辊倾斜设定功能4.5.5. Trouble alarm function4.5.5.事故报警功能4.5.6. Through touch screen on the operation desk to achieve rolling parameter set-up and display such as thickness, tolerance of finished product display. System has pre- and monitor control for AGC function and priority options in modes of tension, speed and mass flow for AGC control.4.5.6.通过操纵台上的触摸屏，进行轧制参数的设定和显示， 例如成品的厚度，公差等。系统具有AGC的预控和监控功能，有张力、速度和流量AGC优选模式。4.6, work roll bending control4.6.工作辊弯辊控制Adopt electric liquid servo valve and position closed loop control采用电液伺服阀，位置闭环控制4.7.Gamma gauge meter with precision 1m, 2 sets4.7.伽玛测厚仪，精度1m，2 台5.0 Auxiliary system5.0辅助系统 It include the hydraulic system for hydraulic station, common hydraulic system, emulsion system and lubrication systemThese system adopt the best product from China 包括液压站液压系统、一般液压系统、乳化液系统、润滑系统 这些系统中的主要元件采用国产优质产品。二、main equipment机组设备组成：序号名 称数量1