Technology Proposal
of
500mm 4Hi Non-reversing cold rolling mill
500mm 4辊不可逆冷轧机组
25th Dec, 2008
1.0. Summary
概述
500MM four roller irreversible cold rolling mill is used to roll hot rolled coils,which are ordinary carbon steel as material and 2mm as thickness, into cold rolled coils which are 1.5mm thick and have required surface hardness
500MM 四辊不可逆轧机组是在常温状态下，将材质为普通碳钢，厚为2MM 热轧带卷，轧制成厚为1.5MM 并具有所需光洁度的冷轧带卷
2.0. Material specification
材料规格
Material: hot rolled coilds
材料: 低碳钢
Delegate steel No.: Q235B Q355B
代表钢号
2.1. Input material size
来料的尺寸
Width: 300mm - 400 mm
宽度
Thickness: 2.0 mm
厚度
Outer diameter of steel coil: MaxΦ2000
钢卷外径
Inner diameter of steel coil: Φ610mm
钢卷内径
Max. coil weight: 8t
最大卷重
2.2. Finished product size
成品的尺寸
Width: 300mm - 400 mm
宽度
Thickness: 1.5mm
厚度
Outer diameter of steel coil: MaxΦ2000mm
钢卷外径
Inner diameter of steel coil: Φ480mm- Φ510mm
钢卷内径
Max. coil weight:
最大卷重
Annual production capacity: 70,000 MT
年产量
8MT
3.0 Specification of Rolling mill
轧机规格参数
⏹ Rolling speed：
轧制速度
⏹ Threading speed： 20m/min
穿带速度
⏹ Max. rolling force：
最大轧制力
⏹ Max. rolling moment： 18KN.M
最大轧制力矩
⏹ Max. gap of the work roll： 20mm
工作辊最大开口度
⏹ Dimension of the work roll：
工作辊尺寸
⏹ Dimension of back-up roll： ф500×450 mm;
支撑辊尺寸
⏹ Column of the housing (cast steel)：
机架牌坊的立柱（铸钢）
0 - 150m/min 3000kN ф200×500 mm; 250 x 300 mm2
⏹ Main motor power： 350kw
主电机功率
⏹ Motor power of tension reel： 120kw
卷取机电机功率
⏹ Max. Coiling speed： 160m/min
最大卷取速度
⏹ Coiling tension： 50kN
卷取张力
⏹ Coil drum diameter of tension reel: ф485 -ф510mm
卷取机卷筒直径
⏹ Motor power of payoff reel： 60kw
开卷机电机功率
⏹ Max. payoff speed： 100m/min
最大开卷速度
⏹ Payoff tension： 20kN
开卷张力
⏹
⏹ Coil drum diameter of payoff reel:ф610mm 开卷机卷筒直径： ф585 –ф625mm
⏹ Auxiliary hydraulic system pressure： 12MPa
辅助液压系统压力
⏹ Elevation of pass line ：+1000MM
轧制线标高：+1000MM
4.0 Main features of the mill
设备主要特点
4.1. Motor screw down, Main drives with DC motors
电动压下，主传动用DC 电机
4.2. Adopt SIEMENS PLC of S7-300 for automation and PROFIBUSS network communication.
机组采用西门子S7-400 PLC自动控制，并采用现场总线网络系统。
4.3. Main operation desk equipped with human-machine interface, showing dynamic menu, for rolling parameters set- up, trouble alarm and printing report.
主操作台设有人--机界面，完成画面显示，轧制参数设定，故障报警和打印报表。
4.4. All DC motors adopt digital 4Q DC to drive 6RA70.
所有直流电机采用数字四象限直流驱动6RA70
4.5. With Strip break protection, trouble alarm and tension reel clamp positioning function.
断带保护、事故报警、卷取机钳口位置准停.
4.6 Automatic loading and unloading of coils
自动上，下钢卷自动化
4.7. Pass line set-up with tilted wedge adjustment automatically.
轧制线自动调零
4.8. Work rolls and backup rolls quick exchange
工作辊，支承辊快速换辊
4.9. Driving motors adopt the “Z” series which has the larger overloading capacity.
传动电机用“Z”系列具有较大的过载能力
4.10. Grease lubrication for both working rolls and back-up rolls.
工作辊，支撑辊均采用干油润滑
4.11 Center control for the pay-off reel.
开卷机对中控制（CPC ）
4.12 Edge control of the tension reel
卷取机齐边控制（EPC ）
4.13. Adopting γ-ray (or X-ray as option) gauge meter.
采用γ线(或X 线作为可选方案) 测厚仪
5.00. Equipment Composition and Function
机组组成及各单机的功能：
The 500mm 4Hi non-reversing cold rolling mill is consist of a pay-off reel, a loading car, a tail opening straighter, an unit before stand, a 4hi rolling mill, an unit after stand, a tension reel, a wrapper, a unloading car and a roll exchanging device and so on.
500四辊不可逆冷轧机机械设备由开卷机，上卷小车，开头矯直机，机前装置，四辊冷轧机，机后装置，卷取机，助卷机，卸卷小车还和换辊装置等组成
5.1 Loading Car
上卷车
The loading car is composed of a up & down car, one set of moveable cylinder (two coil position), car rail, towline of oil pipe and so on. Loading car is used for loading the pickled steel coil on the pay-off reel or setting coils in front of the pay-off drum.
上卷车由升降小车，行走缸（两卷位），小车轨道，液压胶管托链等组成。升降小车的升降和行走均为液压传动。用于将酸洗好的带钢安放在开卷机上，沿开卷机轴线布置在开卷机前面。
5.2. Pay-off Reel
开卷机
The only one pay-off reel is positioned at the left end of the rolling line to act during the first rolling time and supply tension for rolling process. The pay-off reel is using cantilevered and moveable structure. The drum is four pyramid type and is droved by DC motor through the reducer. The main body of the pay-off reel moves around the base through the straight line rail bearing to achieve CPC center control. In order to uncoil easier and prevent strips loose, the press roll is used on the drum and controlled by the hydraulic cylinder for its up & down movement.
开卷机共一台，布置在轧制线的最左端，用于带钢第一道次轧制，为带钢轧制提供张力。开卷机为悬臂浮动结构，卷筒为四棱锥型式，由直流电机经减速机旋转卷筒，开卷机本体经直线导轨轴承沿底座滑动，实现CPC 对中。为方便开卷和防止松带，在卷筒上方有压辊，压辊升降由液压缸提供。
5.3. Opening Straighter
开头矯直机
The straighter is at a`side of the pay-off reel and and composed by the expansion and swinging guiding plate, press roll, pinch roll, 3Hi tail straighten device and hydraulic shear. All of the movement of the guiding plate, pinch roll up and down are drove by hydraulic. The straighten roll is droved by the AC motor through the universal spindle and clutch to meet the requirement during the threading and the rolling process.
位于开卷机旁边，由开头伸缩摆动导板，压辊，夹送辊，三辊直头装置和液压剪组成。伸缩摆动导板，压辊升降，夹送辊升降均为液压传动。矯直辊由AC 电机经万向接轴和离合器传动。
5.4. The Unit Before Stand
机前装置
The unit before stand is composed by center control plate, material guiding device and etc. 机前装置由对中导板，引料装置等组成。
The center control plate is used for control material center. And the hydraulic motor drives the openness of the side plate. The openness is adjustable according to the strip width.
对中导板用于带材对中，由液压马达驱动侧导板开合，其开口度可根据带宽调整。
The material guiding device includes guiding rails, material guiding rolls and swing guiding plate. The guiding roll is a swing and press roll and droved by hydraulic motor. The roll and the swing guiding plate act to lead the tail into work roll of the mill. There is a speed meter positioned on the side guiding roll.
引料装置包括偏导轨，引料辊和摆动导板，协助将带头导入轧辊，在偏导辊上设有测速装置。
5.5. 4Hi Non-reversing Mill
四辊可逆冷轧机
500 4hi single stand non-reversing mill is equipped with a motor screw down and thickness
display . The main drive adopts DC motor. 500四辊单机架不可逆轧机采用电动压下并具有厚度测量显示。主传动采用直流电机。
The mill has pass line adjusting device, back-up roll balance system, roll assembling, stand assembling, connecting axis, decelerating box, distributing box, safety coupling, fume extraction hood and hydraulic lubricating piping.
本机由轧制线调整装置，支撑辊平衡机构，辊系装配，机架装配，接轴，减速箱与分配箱，安全联轴器，走台排烟罩及卷帘门，液压润滑配管组成。
5.6. Unit After Stand
机后装置
The unit after stand is composed by frame for thickness meter, material guiding device and vacuum oil removing device.
机后装置由测厚仪（台架），引料装置和右真空除油装置组成。
5.7 Tension Reel
卷取机
The tension reel is composed of the motor, movable support, drum, reducer, brake, expanding hydraulic cylinder, pusher plate and base. The specialty of structure is expanding hydraulic drum and automatically hydraulic gnawing jaws. The reducer is using gears with hard surface
本机主要由电机，活动支撑，卷筒，减速机，制动器，涨缩液压缸，推板装置，底座等组成。其结构特点是卷筒液压涨缩，钳口液压自动夹紧。减速箱采用硬齿面磨齿。
5.8 Wrapper
助卷机
It is a` belt-type wrapper used to assist steel strip recoiling onto the drum of the tension reel.
这是一台皮带式助卷机，用于将带钢卷到卷取机的卷筒上。
5.9 Unloading car
卸卷小车
The unloading car is composed of a up & down car, one set of moveable cylinder, car rail, towline of oil pipe and so on. The up & down car and the hydraulic cylinder are droved by hydraulic system. The car is used for unloading coils from the tension reel.
卸卷小车由行走缸，小车轨道，液压胶管托链等组成。升降小车的升降和行走均为液压传动。用于将轧制好的带钢卷取机上卸下。
5.10 Roll Exchanger
换辊装置
Including work roll exchanger and back-up roll exchaner
包括工作辊换辊装置和支撑辊换辊装置
5.11` Accessories`
辅件
It includes movable covering plate, piping and foundation parts such as anchor bolts, nuts and etc.,
它们包括活动盖板，中间配管和基础件, 象地脚螺栓，螺母等
6.00. Electronic Control System
电气控制系统
6.1. DC Drives
直流驱动
Use of SIEMENS 6RA70 4Q, digital drives，among them, the main DC motor of 350kw for the mill will be 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，其中，350kw 主轧机直流电机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。
6.2. AC auxiliary drive control panels
交流辅助传动控制柜
One control cabinet. This part covers electric control equipment for auxiliary drives of the mill, pumps of hydraulic systems and lubrication systems and so on
1台控制柜， 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。
6.3. Automation of the mill
轧机自动化
Adopt SIEMENS S7-300PLC, and HMI. interface. It has two function: 1) fulfils communication and control of DC drives 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. 2) through Profibus and ET200B, ET200M and ET200S, to implement control of hydraulic pumping station, pneumatic drives and all other AC motor.
采用西门子S7-300型PLC and 人机接口，本自动化有两个功能，
1) 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，自动上，下钢卷和穿带等。
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。
6.4. HMI Interface
人机接口
The PLC and touch sdreen equipped with software of PROTOOL and COM PROFIBUS to implement presetting rolling program on the operation desk and to monitor and record actual rolling data.
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。
T ouch screen: SIEMENS OP270
触摸屏: 西门子 OP-270
6.5. Motor Screw Down and AGC Electric Control
电动压下和电气控制
It has following main function:
主要功能如下：
6.5.1. Roller gap set –up and adjustment function.
辊缝设定和调整功能
6.5.2. Thickness set-up and adjustment function.
厚度设定和调整
6.5.3. Emergence alarming function.
事故报警功能
6.5.4. Through touch screen on the operation desk to achieve rolling parameter set-up and display of processing date such as thickness of finished product, rolling speed, tension, voltage and current etc, display.
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, 速度，张力，电压，电流等。
` 6.6. Gamma gauge meter with precision ±1µm, 1 sets
Or X-ray gauge meter as an option
伽玛测厚仪，精度±1µm ，1 台
或X 射线测厚仪作为可选件。
7.0 Auxiliary System
辅助系统
The system includes hydraulic system, coolant system and lubrication system.
包括液压系统、乳化液系统、润滑系统
The pump station of the system are using ATOS valves and other quality domestic products. 这些系统中的高压泵采用进口的ATOS 阀以及其它国内优质产品。
11
8.0 . Weight of Mechanical equipment
机械设备重量;
They are listed in the following table which does not include the weight
of electric motors, panels and weight of hydraulic pump station and coolant station.
机械设备大致重量列于下表中，它们不包括电机，电控箱，液压站，乳化液站的重量
Technology Proposal
of
500mm 4Hi Non-reversing cold rolling mill
500mm 4辊不可逆冷轧机组
25th Dec, 2008
1.0. Summary
概述
500MM four roller irreversible cold rolling mill is used to roll hot rolled coils,which are ordinary carbon steel as material and 2mm as thickness, into cold rolled coils which are 1.5mm thick and have required surface hardness
500MM 四辊不可逆轧机组是在常温状态下，将材质为普通碳钢，厚为2MM 热轧带卷，轧制成厚为1.5MM 并具有所需光洁度的冷轧带卷
2.0. Material specification
材料规格
Material: hot rolled coilds
材料: 低碳钢
Delegate steel No.: Q235B Q355B
代表钢号
2.1. Input material size
来料的尺寸
Width: 300mm - 400 mm
宽度
Thickness: 2.0 mm
厚度
Outer diameter of steel coil: MaxΦ2000
钢卷外径
Inner diameter of steel coil: Φ610mm
钢卷内径
Max. coil weight: 8t
最大卷重
2.2. Finished product size
成品的尺寸
Width: 300mm - 400 mm
宽度
Thickness: 1.5mm
厚度
Outer diameter of steel coil: MaxΦ2000mm
钢卷外径
Inner diameter of steel coil: Φ480mm- Φ510mm
钢卷内径
Max. coil weight:
最大卷重
Annual production capacity: 70,000 MT
年产量
8MT
3.0 Specification of Rolling mill
轧机规格参数
⏹ Rolling speed：
轧制速度
⏹ Threading speed： 20m/min
穿带速度
⏹ Max. rolling force：
最大轧制力
⏹ Max. rolling moment： 18KN.M
最大轧制力矩
⏹ Max. gap of the work roll： 20mm
工作辊最大开口度
⏹ Dimension of the work roll：
工作辊尺寸
⏹ Dimension of back-up roll： ф500×450 mm;
支撑辊尺寸
⏹ Column of the housing (cast steel)：
机架牌坊的立柱（铸钢）
0 - 150m/min 3000kN ф200×500 mm; 250 x 300 mm2
⏹ Main motor power： 350kw
主电机功率
⏹ Motor power of tension reel： 120kw
卷取机电机功率
⏹ Max. Coiling speed： 160m/min
最大卷取速度
⏹ Coiling tension： 50kN
卷取张力
⏹ Coil drum diameter of tension reel: ф485 -ф510mm
卷取机卷筒直径
⏹ Motor power of payoff reel： 60kw
开卷机电机功率
⏹ Max. payoff speed： 100m/min
最大开卷速度
⏹ Payoff tension： 20kN
开卷张力
⏹
⏹ Coil drum diameter of payoff reel:ф610mm 开卷机卷筒直径： ф585 –ф625mm
⏹ Auxiliary hydraulic system pressure： 12MPa
辅助液压系统压力
⏹ Elevation of pass line ：+1000MM
轧制线标高：+1000MM
4.0 Main features of the mill
设备主要特点
4.1. Motor screw down, Main drives with DC motors
电动压下，主传动用DC 电机
4.2. Adopt SIEMENS PLC of S7-300 for automation and PROFIBUSS network communication.
机组采用西门子S7-400 PLC自动控制，并采用现场总线网络系统。
4.3. Main operation desk equipped with human-machine interface, showing dynamic menu, for rolling parameters set- up, trouble alarm and printing report.
主操作台设有人--机界面，完成画面显示，轧制参数设定，故障报警和打印报表。
4.4. All DC motors adopt digital 4Q DC to drive 6RA70.
所有直流电机采用数字四象限直流驱动6RA70
4.5. With Strip break protection, trouble alarm and tension reel clamp positioning function.
断带保护、事故报警、卷取机钳口位置准停.
4.6 Automatic loading and unloading of coils
自动上，下钢卷自动化
4.7. Pass line set-up with tilted wedge adjustment automatically.
轧制线自动调零
4.8. Work rolls and backup rolls quick exchange
工作辊，支承辊快速换辊
4.9. Driving motors adopt the “Z” series which has the larger overloading capacity.
传动电机用“Z”系列具有较大的过载能力
4.10. Grease lubrication for both working rolls and back-up rolls.
工作辊，支撑辊均采用干油润滑
4.11 Center control for the pay-off reel.
开卷机对中控制（CPC ）
4.12 Edge control of the tension reel
卷取机齐边控制（EPC ）
4.13. Adopting γ-ray (or X-ray as option) gauge meter.
采用γ线(或X 线作为可选方案) 测厚仪
5.00. Equipment Composition and Function
机组组成及各单机的功能：
The 500mm 4Hi non-reversing cold rolling mill is consist of a pay-off reel, a loading car, a tail opening straighter, an unit before stand, a 4hi rolling mill, an unit after stand, a tension reel, a wrapper, a unloading car and a roll exchanging device and so on.
500四辊不可逆冷轧机机械设备由开卷机，上卷小车，开头矯直机，机前装置，四辊冷轧机，机后装置，卷取机，助卷机，卸卷小车还和换辊装置等组成
5.1 Loading Car
上卷车
The loading car is composed of a up & down car, one set of moveable cylinder (two coil position), car rail, towline of oil pipe and so on. Loading car is used for loading the pickled steel coil on the pay-off reel or setting coils in front of the pay-off drum.
上卷车由升降小车，行走缸（两卷位），小车轨道，液压胶管托链等组成。升降小车的升降和行走均为液压传动。用于将酸洗好的带钢安放在开卷机上，沿开卷机轴线布置在开卷机前面。
5.2. Pay-off Reel
开卷机
The only one pay-off reel is positioned at the left end of the rolling line to act during the first rolling time and supply tension for rolling process. The pay-off reel is using cantilevered and moveable structure. The drum is four pyramid type and is droved by DC motor through the reducer. The main body of the pay-off reel moves around the base through the straight line rail bearing to achieve CPC center control. In order to uncoil easier and prevent strips loose, the press roll is used on the drum and controlled by the hydraulic cylinder for its up & down movement.
开卷机共一台，布置在轧制线的最左端，用于带钢第一道次轧制，为带钢轧制提供张力。开卷机为悬臂浮动结构，卷筒为四棱锥型式，由直流电机经减速机旋转卷筒，开卷机本体经直线导轨轴承沿底座滑动，实现CPC 对中。为方便开卷和防止松带，在卷筒上方有压辊，压辊升降由液压缸提供。
5.3. Opening Straighter
开头矯直机
The straighter is at a`side of the pay-off reel and and composed by the expansion and swinging guiding plate, press roll, pinch roll, 3Hi tail straighten device and hydraulic shear. All of the movement of the guiding plate, pinch roll up and down are drove by hydraulic. The straighten roll is droved by the AC motor through the universal spindle and clutch to meet the requirement during the threading and the rolling process.
位于开卷机旁边，由开头伸缩摆动导板，压辊，夹送辊，三辊直头装置和液压剪组成。伸缩摆动导板，压辊升降，夹送辊升降均为液压传动。矯直辊由AC 电机经万向接轴和离合器传动。
5.4. The Unit Before Stand
机前装置
The unit before stand is composed by center control plate, material guiding device and etc. 机前装置由对中导板，引料装置等组成。
The center control plate is used for control material center. And the hydraulic motor drives the openness of the side plate. The openness is adjustable according to the strip width.
对中导板用于带材对中，由液压马达驱动侧导板开合，其开口度可根据带宽调整。
The material guiding device includes guiding rails, material guiding rolls and swing guiding plate. The guiding roll is a swing and press roll and droved by hydraulic motor. The roll and the swing guiding plate act to lead the tail into work roll of the mill. There is a speed meter positioned on the side guiding roll.
引料装置包括偏导轨，引料辊和摆动导板，协助将带头导入轧辊，在偏导辊上设有测速装置。
5.5. 4Hi Non-reversing Mill
四辊可逆冷轧机
500 4hi single stand non-reversing mill is equipped with a motor screw down and thickness
display . The main drive adopts DC motor. 500四辊单机架不可逆轧机采用电动压下并具有厚度测量显示。主传动采用直流电机。
The mill has pass line adjusting device, back-up roll balance system, roll assembling, stand assembling, connecting axis, decelerating box, distributing box, safety coupling, fume extraction hood and hydraulic lubricating piping.
本机由轧制线调整装置，支撑辊平衡机构，辊系装配，机架装配，接轴，减速箱与分配箱，安全联轴器，走台排烟罩及卷帘门，液压润滑配管组成。
5.6. Unit After Stand
机后装置
The unit after stand is composed by frame for thickness meter, material guiding device and vacuum oil removing device.
机后装置由测厚仪（台架），引料装置和右真空除油装置组成。
5.7 Tension Reel
卷取机
The tension reel is composed of the motor, movable support, drum, reducer, brake, expanding hydraulic cylinder, pusher plate and base. The specialty of structure is expanding hydraulic drum and automatically hydraulic gnawing jaws. The reducer is using gears with hard surface
本机主要由电机，活动支撑，卷筒，减速机，制动器，涨缩液压缸，推板装置，底座等组成。其结构特点是卷筒液压涨缩，钳口液压自动夹紧。减速箱采用硬齿面磨齿。
5.8 Wrapper
助卷机
It is a` belt-type wrapper used to assist steel strip recoiling onto the drum of the tension reel.
这是一台皮带式助卷机，用于将带钢卷到卷取机的卷筒上。
5.9 Unloading car
卸卷小车
The unloading car is composed of a up & down car, one set of moveable cylinder, car rail, towline of oil pipe and so on. The up & down car and the hydraulic cylinder are droved by hydraulic system. The car is used for unloading coils from the tension reel.
卸卷小车由行走缸，小车轨道，液压胶管托链等组成。升降小车的升降和行走均为液压传动。用于将轧制好的带钢卷取机上卸下。
5.10 Roll Exchanger
换辊装置
Including work roll exchanger and back-up roll exchaner
包括工作辊换辊装置和支撑辊换辊装置
5.11` Accessories`
辅件
It includes movable covering plate, piping and foundation parts such as anchor bolts, nuts and etc.,
它们包括活动盖板，中间配管和基础件, 象地脚螺栓，螺母等
6.00. Electronic Control System
电气控制系统
6.1. DC Drives
直流驱动
Use of SIEMENS 6RA70 4Q, digital drives，among them, the main DC motor of 350kw for the mill will be 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，其中，350kw 主轧机直流电机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。
6.2. AC auxiliary drive control panels
交流辅助传动控制柜
One control cabinet. This part covers electric control equipment for auxiliary drives of the mill, pumps of hydraulic systems and lubrication systems and so on
1台控制柜， 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。
6.3. Automation of the mill
轧机自动化
Adopt SIEMENS S7-300PLC, and HMI. interface. It has two function: 1) fulfils communication and control of DC drives 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. 2) through Profibus and ET200B, ET200M and ET200S, to implement control of hydraulic pumping station, pneumatic drives and all other AC motor.
采用西门子S7-300型PLC and 人机接口，本自动化有两个功能，
1) 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，自动上，下钢卷和穿带等。
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。
6.4. HMI Interface
人机接口
The PLC and touch sdreen equipped with software of PROTOOL and COM PROFIBUS to implement presetting rolling program on the operation desk and to monitor and record actual rolling data.
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。
T ouch screen: SIEMENS OP270
触摸屏: 西门子 OP-270
6.5. Motor Screw Down and AGC Electric Control
电动压下和电气控制
It has following main function:
主要功能如下：
6.5.1. Roller gap set –up and adjustment function.
辊缝设定和调整功能
6.5.2. Thickness set-up and adjustment function.
厚度设定和调整
6.5.3. Emergence alarming function.
事故报警功能
6.5.4. Through touch screen on the operation desk to achieve rolling parameter set-up and display of processing date such as thickness of finished product, rolling speed, tension, voltage and current etc, display.
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, 速度，张力，电压，电流等。
` 6.6. Gamma gauge meter with precision ±1µm, 1 sets
Or X-ray gauge meter as an option
伽玛测厚仪，精度±1µm ，1 台
或X 射线测厚仪作为可选件。
7.0 Auxiliary System
辅助系统
The system includes hydraulic system, coolant system and lubrication system.
包括液压系统、乳化液系统、润滑系统
The pump station of the system are using ATOS valves and other quality domestic products. 这些系统中的高压泵采用进口的ATOS 阀以及其它国内优质产品。
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8.0 . Weight of Mechanical equipment
机械设备重量;
They are listed in the following table which does not include the weight
of electric motors, panels and weight of hydraulic pump station and coolant station.
机械设备大致重量列于下表中，它们不包括电机，电控箱，液压站，乳化液站的重量