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1 2 2.1 2.2 2A 3 3.1 3.2 3.3 4
Run-out roller table behind finishing mill stands ......................................... 2 Compact cooling equipment SMS Solution - Pending ................................ 4 Compact Cooling with roller table behind FM ............................................. 4 Pinch roll unit .............................................................................................. 8 Ultra fast colling (UFC) Solution – Pending .............................................. 32 Laminar cooling system with roller table ................................................... 12 Run—out roller table below laminar cooling ............................................. 12 Laminar cooling ........................................................................................ 14 Maintenance platform for laminar cooling system ..................................... 20 Run-out roller table behind laminar cooling system .................................. 21
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1 Run-out roller table behind finishing mill stands
6010
Arrangement At measuring device area behind the last finishing stand.
Function Used for conveying the hot strip and accommodation of measuring systems.
Technical data Quantity
Roller table length
1
app. 11 675 mm
(between last mill stand and start of lami-nar strip cooling) app. 30
app. Ø300 x 2 100 mm max. 22 m/s
app. 320 mm depending on requirement, in measuring equipment area also bigger in particular cases p = 9.6 kW
n = 0 –1 400 rpm
Number of rollers Roller dimensions Roller speed Roller spacing
Motor data
Description Roller table frames
Table roller unit
table frame as steel beam structure con-nected with cross beams in welded struc-ture, foundation mounted, accommodates the roller units.
quick-change unit, each unit consisting of roller, bearing housing, coupling and mo-tor, mounted on an individual frame, this frame is fixed on the roller table frame by means of clamp-type locking bars
.
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Rollers
wear resistant shell-type rollers with stain-less steel layer, welded hubs and flanged shafts at both ends
internal cooling, cooling water is fed into the roller body through a pipe flanged on the bearing housing and through a bored hole in the roller neck. The cooling water flows back through the gap between the bored holes of the roller neck
self aligned roller bearings in steel bearing housings on operator side (OS) and drive side (DS)
individually driven rollers via electric mo-tors and flexible couplings, arranged on operator side
welded construction, bolted to bearing housings, operator side with cover plate above the drives
roller bearings connected to the central-ized forced feed grease lubrication system
Roller cooling
Roll bearing assembly
Roller drive
Fixed side guides
Lubrication Reference drawing
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2 2.1
Compact cooling equipment SMS Solution - Pending Compact Cooling with roller table behind FM
Arrangement The compact cooling system is arranged behind the measuring house of the finishing mill and it is used for flexible cooling of the strip.
Function Strip water cooling before coiling to achieve defined metallurgical properties and tem-peratures. Cooling system can be operated in compact and combination mode.
In compact mode a booster pump station increased the incoming water pressure. In combination mode the system is using the water from the laminar overhead tank. The flow is controllable by means of control valves for both modes. Roller table conveying the hot strip and support the bottom cooling headers including cross spray units. Roller with extended length to allow improved cooling water flowing off from the top side.
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Technical data Max. water flow quantity Water pressure Quantity
Number of tilting groups Cooling groups
Total number of headers - top - bottom
Width of application total length of cooling system
Roller table frame length Number of rollers Roller dimensions Roller speed Roller spacing Cylinder data
approx. 18229 m³/h approx. 3,5 bar 1 8 (top) 8
8 x 3 = 24 8 x 6 = 48 app. 2050 mm approx. 19760 mm
Single frame app. 4000 to 5500 mm, de-pending on arrangement area 54
Ø300 x 2100 mm
According to motor and component list app. 380 mm
8 x 140/80 x app. 800mm
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Description Cooling groups
Cooling zones Top cooling headers
Bottom cooling headers
Swivel mechanism
Longitudinal spraying
Cross-sprays
System subdivided into different cooling groups, each group consists of several switchable zones. Water quantity of every group can be adjusted by means of water control valves. For maintenance and in case of cobbles each group of top cooling headers can be swiveled upwards by hy-draulic cylinders.
Each zone is subdivided into top and bot-tom zone and is individually switchable. Welded steel structure made of square bars, welded up with head plates, spray pipes glued in plates, plates screw-fas-tened with square bar.
Steel pipes with spraying pipes. Nozzles arranged at the top of the spraying pipes. Fastened to the roller table frame and connected to supply lines via hoses. Tubular cross-beam of thick-walled steel pipes, flange connection with the fixed pipe parts through rotary joint. Mechanism moved by means of hydraulic cylinder(s). Removes the water from the strip surface. Arranged at the entry and exit side of the compact cooling. At exit side mounted at the pinch roll rocker arm.
Arranged inside of the compact cooling system between the cooling groups. Each unit consists of 2 tongue type nozzles and connected to supply lines by hoses.
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Pipe work
Roller table frame
Table roller unit
Rollers
Roller cooling Roll bearing assembly
Roller drive Fixed side guides
Water valves and pump system Measuring units Lubrication
The pipe lines from the laminar tank to the booster pump station and to the cooling groups are part of the interconnecting pipe work.
Single frame as steel beam structure con-nected with cross beams in welded struc-ture, accommodates the roller units and bottom cooling headers.
Quick-change unit, each unit consisting of roller, bearing housing, coupling and mo-tor, mounted on connecting plate and fas-tened via connecting plate on roller table frame.
Wear resistant shell-type rollers with welded hubs and flanged shafts at both ends. Extended length.
External water cooling by means of cool-ing pipes.
Self aligned roller bearings in steel bear-ing housings on operator side (OS) and drive side (DS).
Through flexible coupling, drive on opera-tor side (OS).
Welded structure, screw-mounted to bear-ing housings, operator side with cover plate above the drives.
According to specification of water sys-tems.
According to specification of water sys-tems
Manual and automatic grease lubrication
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2.2 Pinch roll unit
The pinch roll unit is arranged behind the compact cooling system.
The pinch roll unit is provided to collect the water inside the compact cooling box and to apply a specific strip tension.
The upper pinch roll can be raised and lowered by two hydraulic cylinders. It is position and force controlled. The upper pinch roll is balanced to eliminate bearing clearances by two spring-loaded tensioning elements.
The upper and lower pinch roll is direct driven by universal joint shafts. All rolls are inner cooled.
Technical Data Number provided
Bottom pinch roll, max./min. Top pinch roll, max./min. Housing rollers Max opening between pinch rolls approx
Motor rating pinch roll drives
Design Housing
solid weldment, partly made of thick plates, both halves connected by cross plates, faces for receiving the lower pinch roll provided with hardened wear plates.
1
400/380 x 2100 mm 400/ 380 x 2100 mm 4 x 300 x 2100 mm 700 mm 2 x 100 kW
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Rocker arm
Top and bottom pinch roller
Roller drives Breast rollers
Guide aprons
Lifting and gap setting cylinders
Drive support
Top and bottom pinch roll cooling
for receiving the upper pinch roll, weld-ment, supported on pivot in anti-friction bearings, equipped with two hydraulic press-on cylinders and two spring-loaded balancing elements, rocker arm with faces for the bearing housings of the upper pinch roll
Hollow rolls, solid hard faced and wear re-sistant surface built up welding, bearing housings with anti-friction bearing assem-bly.
pinch rollers direct driven by cross-pin type spindles
two hollow table rollers arranged on entry side of the bottom pinch roller and t roller on exit side, with sinter-fused hard faced wear resistant surface, anti-friction bearing assembly, inner cooled.
steel weldment, arranged ahead and behind the lower pinch roll, aprons height adjustable.
arranged between housing and rocker arm for setting the gap between the pinch rolls two hydraulic cylinders with integrated po-sition transducers
for pinch roll and breast roller motors, made as steel weldment
including supporting structure for drive spindles, used during pinch roll changing
internal water cooled by means of rotary pipe tube, arranged on operator side.
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Longitudinal spraying Lubrication spraying pipe with nozzles on entry of PR, attached to rocker arm.
connected to centralized grease lube sys-Piping
tem.
for hydraulics, cooling water and for cen-tralized grease lube system attached to the pinch roll unit
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2A Ultra fast colling (UFC) Solution – Pending
To be prepared by other competitor if applicable
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3 Laminar cooling system with roller table
6011
3.1 Run—out roller table below laminar cooling
Arrangement Area of laminar cooling system
Function Conveying of the hot strip and support of bottom cooling headers including cross spray units
Technical data Quantity
Roller table length Number of rollers Roller dimensions Roller speed Roller spacing Motor data
Description Roller table frame
1
app. 73 720 mm app. 195
app. Ø300 x 2 100 mm max. 22 m/s app. 380 mm. p = 9.6 kW
n = 0 – 1 400 rpm
table frame as steel beam structure con-nected with cross beams in welded struc-ture, foundation mounted, accommodates the roller units and bottom cooling head-ers
quick-change unit, each unit consisting of roller, bearing housing, coupling and mo-tor, mounted on an individual frame, this frame is fixed on the main table frame by means of clamp-type locking bars.
Table roller unit
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Rollers
wear resistant shell-type rollers with stain-less steel layer, welded hubs and flanged shafts at both ends external cooling,
self aligned roller bearings in steel bearing housings on operator side (OS) and drive side (DS)
individually driven rollers via electric mo-tors and flexible couplings, arranged on operator side
welded construction, screw-mounted to bearing housings, operator side with cover plate above the drives
roller bearings connected to the central-ized forced feed grease lubrication system
Roller cooling Roll bearing assembly
Roller drive
Fixed side guides
Lubrication Reference drawing
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3.2 Laminar cooling
Arrangement Above and below the run-out roller table. The cooling system consists of several cool-ing groups with different water application. For maintenance in case of cobbles each group of top cooling headers can be swiveled upwards by hydraulic cylinder
Function Water cooling of the strip prior to coiling to achieve defined metallurgical properties and temperatures
Technical data Type
laminar flow type for top and bottom head-ers
2 050 mm 73 720 mm 16 600 m³/h design value
Application width approx.
Application length approx. Max. water flow, approx.
Quantity of cooling groups
micro groups 7 reinforced groups 6 trimming groups 2
Quantity of cooling zones (individual switchable)
micro groups 4 top and 4 bottom with flow monitoring reinforced groups 6 top and 6 bottom with flow control trimming groups 8 top and 8 bottom with flow monitoring
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Quantity of headers per cooling group
micro groups reinforced groups trimming groups
Water flow per header, approx..
micro groups reinforced groups trimming groups To be finalized during design Tilting cylinders
Cylinder dimensions approx.
Hydraulic pressure
Quantity of edge masking systems
Description Top cooling headers
4 top and 12 bottom 6 top and 12 bottom 8 top and 16 bottom
88 m³h top and 35 m³/h bottom 118 m³h top and 71 m³/h bottom 59 m³h top and 35 m³/h bottom
Ø 140/80 x 910 mm 210 bar 13
carbon steel pipes with stainless steel gooseneck pipes, fastened to distribution pipes through flanges
steel pipes with flanges, connected to pipe column via rotary joint
ensures water supply, accommodates the rotary joint of the distribution pipes and the hydraulic cylinder for tilting top cooling headers
Distribution pipes Pipe column
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Edge masking
Bottom cooling headers
Cross-sprays
Pipe work
Lubrication
controls the distributions of the top cooling water over strip width in order to get an equalized width temperature distribution, Edge masking unit mounted on top of the top cooling headers, electromechanical driven deflector plates, can be driven sep-arately for asymmetrical masking, Meas-urement of the temperature distribution across the strip by scanner located be-tween laminar cooling and down coiler carbon steel pipes with stainless steel spraying pipes, fastened to the roller table frame and connected to supply lines by hoses
1 unit arranged behind last finishing stand, 1 unit arranged in front of each cooling group,
2 units arranged behind the last cooling group,
each unit consist of 2 tongue type nozzles and connected to supply lines by hoses the pipe lines from the laminar tank to the pipe columns, bottom cooling headers and cross-sprays are part of the interconnect-ing pipe work
exclusively manual grease lubrication
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Reference drawing
Super- and reinforced cooling groups
Micro groups
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Trimming groups
Cross section
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Edge masking
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3.3 Maintenance platform for laminar cooling system
6015
Arrangement On the drive side near the pipe columns of the laminar cooling-line area
Function Walkway with access to certain sections of the run out roller table and laminar cooling line, accommodating of valve stands
Technical data Quantity
Description 1
Made of steel with stairs, ladders, covers and railings
Reference drawing
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4 Run-out roller table behind laminar cooling system
6017
Arrangement Between laminar cooling and housing rollers of first pinch roll unit
Function Conveying the hot strip.
Technical data Quantity
Roller table length Number of rollers Roller dimensions Roller speed Roller spacing Motor data
Description Roller table frame
1
app. 20 740 mm app. 56
app. Ø300 x 2 100 mm max. 22 m/s app. 380 mm p = 9.6 kW
n = 0 – 1 400 rpm
table frame as steel beam structure con-nected with cross beams in welded struc-ture, foundation mounted, accommodates the roller units
quick-change unit, each unit consisting of roller, bearing housing, coupling and mo-tor, mounted on anindividual frame, this frame is fixed on the roller table frame by means of clamp-type locking bars required for changing the table rollers.
wear resistant shell-type rollers with stain-less steel layer, welded hubs and flanged shafts at both ends
Table roller unit
Rollers
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Roller cooling Roll bearing assembly
external cooling, in the area of bottom sur-face inspection internal cooling
self aligned roller bearings in steel bearing housings on operator side (OS) and drive side (DS)
individually driven rollers via electric mo-tors and flexible couplings, arranged on operator side
welded construction, screw-mounted to bearing housings, operator side with cover plate above the drives
roller bearings connected to the central-ized forced feed grease lubrication system
Roller drive
Fixed side guides
Lubrication 1 2 2.1 2.2 2A 3
精轧机后的输出辊道 .............................................. 2
紧凑型冷却设备 ................................................... 4
精轧机后的带紧凑型冷却的辊道 .................................... 4 夹送辊单元 ...................................................... 8 超快冷(UFC) .................................................... 32 带辊道的层流冷却系统 ........................................... 12
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3.1 3.2 3.3 4
层流冷却下的输出辊道 ........................................... 12 层流 ........................................................... 14 层流的检修平台 ................................................. 20 层流后的输出辊道 ............................................... 21
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5 精轧机后的输出辊道
布置
在最后一架轧机后的测量设备区域功能
用于输送热带钢和放置测量系统 技术数据 数量 辊道长度
辊数 辊子尺寸 辊速 辊间距
电机数据 描述 辊道架 辊道单元
. 辊子
6010
1
app. 11 675 mm
(between last mill stand and start of laminar strip cooling)
app. 30
app. Ø300 x 2 100 mm max. 22 m/s
app. 320 mm depending on requirement, in measuring equipment area also big-ger in particular cases
p = 9.6 kW n = 0 –1 400 rpm
辊架作为钢梁结构与横梁连接在焊接结构上，安装在基础上，容纳滚子单元。 快换单元，每单元由滚子、轴承座、联轴器和电机组成，安装在单个框架上，该框架通过夹紧式锁紧杆固定在辊道框架上
耐磨壳式滚子，不锈钢层，焊接轮毂，两端有法兰轴 30.6.
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辊冷却 内部冷却，冷却水通过轴承壳体上法兰的管道和辊颈上的钻孔注入辊体。冷却水通过辊颈钻孔孔之间的间隙回流
轧辊轴承装配 在操作者侧(OS)和驱动侧(DS)的钢轴承座中的自对准滚子轴承
辊子传动 由电动马达和柔性联轴器单独驱动的滚轮，安装在操作侧
固定侧导板 焊接结构，螺栓连接到轴承座，操作者侧与盖板上方的驱动器
润滑 参考图
滚子轴承连接集中润滑系统
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6 6.1
紧凑层冷设备
精轧机后的带紧凑层冷的辊道
布置
紧凑型冷却系统布置在精轧机计量房后面，用于带材柔性冷却。 功能
在卷取之前先进行带式水冷却，以达到确定的冶金性能和温度。冷却系统可紧凑组合运行。在紧凑模式增压泵站进水压力增加。在组合模式下，系统使用来自层流顶置水箱的水。两种模式下的流量都可以通过控制阀来控制。辊道输送热带钢，并支持底部冷却集管，包括交叉喷淋装置。辊子加长，使冷却水从顶部流出。 技术数据
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最大水流量 水压 数量 倾斜组的数目 冷却组 喷头总数 - 顶 - 底 宽度应用 冷却系统的总长度辊道架长度
辊数 辊子尺寸 辊转速 辊距 气缸数据
approx. 18229 m³/h approx. 3,5 bar 1 8 (top) 8
8 x 3 = 24 8 x 6 = 48 app. 2050 mm approx. 19760 mm
Single frame app. 4000 to 5500 mm, depending on 布置 area
54
Ø300 x 2100 mm
According to motor and component list app. 380 mm
8 x 140/80 x app. 800mm
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描述 冷却组
冷却区
上冷却头下冷却头旋转机构纵向喷水侧喷
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系统细分为不同的冷却组，每组由几个可切换区组成。每组水量可通过水控制阀调节。为了维护和防止堆钢堵塞，每组顶部冷却箱都可以通过液压缸向上旋转。
每个区域被细分为顶部和底部区域，可以单独切换。
焊接钢结构，用头板焊接，喷管粘在板上，用方条钉牢板。
钢管配喷涂管。喷管顶部设有喷嘴。固定在辊道框架上，通过软管连接到供应线上。
钢管跨梁为厚壁钢管，法兰连接通过旋转接头与固定管件连接。通过液压缸(s)移动的机构。
除去带钢表面的水。在出入侧安排的紧凑的冷却。在出口侧安装在夹辊摇臂。
在冷却组之间的紧凑冷却系统。每个单元由2个舌形喷嘴组成，通过软管连接到供应线。
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管道工作 从层流槽到增压泵站和冷却组的管道是连接管道工作的一部分。
辊道架 单梁结构作为焊接结构中与横梁连接的钢梁结构，容纳滚子单元和底部冷却集箱。
辊道装置 快换装置，由滚子、轴承座、联轴器、电机组成的每一个单元，安装在连接板上，通过连接板固定在滚子工作台框架上。
辊子 耐磨壳式滚子，两端焊接轮毂和法兰轴。扩展长度。
辊冷却 轧辊轴承装配
外部水冷通过冷却管道。
在操作侧(OS)和驱动侧(DS)的钢轴承座上的自对准滚子轴承。
辊传动 固定侧导
通过柔性联轴器，驱动操作侧(OS)。 焊接结构，螺杆安装在轴承座上，传动装置上方有盖板。
水阀和泵系统 测量单元 润滑
根据水系统规范 根据水系统规范 手动和自动干油润滑
6.2
夹送辊单元
夹送辊单元安装在紧凑型冷却系统后面
夹送辊单元 用于收集紧凑型冷却盒内的水并施加特定的带材张力。
上夹辊可由两个液压缸升降。进行位置和力量控制。上部夹紧辊是平衡的，以消除轴承间隙由两个弹簧加载张紧元件。
上下夹辊由万向节轴直接驱动。所有辊都是内部冷却。
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技术数据 提供的数量
下夹送辊, max./min. 上夹送辊, max./min. 机架辊 最大开口度 夹送辊 approx 电机额定夹辊驱动 设计 外壳
1
400/380 x 2100 mm 400/ 380 x 2100 mm 4 x 300 x 2100 mm
700 mm 2 x 100 kW 实心焊件，部分由厚板制成，两半部分由十字板连接，用于接收下夹辊，带有硬化耐磨板。
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摇杆 上下压辊 辊驱动 机架辊
导裙 提升和间隙设置气缸传动支撑 上下夹送辊冷却 纵向喷水 润滑 管道
用于接收上夹辊，焊件采用减摩轴承枢轴支承，上夹辊轴承座有两个液压缸和两个弹簧负载平衡元件，摇臂带端面
空心辊筒、实硬表面、耐磨表面堆焊，轴承座采用减摩轴承总成。
用十字销式主轴直接驱动夹紧辊 底部夹紧辊入口侧设置两个空心台滚子，出口侧设置t轮滚子，具有滑动熔融耐磨表面，耐磨轴承总成，内冷却。
钢制焊接件，前后排列较低的夹紧辊，裙板高度可调。
安排在外壳和摇臂之间，设置夹送辊之间的间隙，两个液压缸带位置传感器集成
用于夹紧辊和基架辊电机，用于夹紧辊更换时的钢焊接，包括驱动主轴的支承结构
内部水冷通过旋转管
道，设置在操作员一侧。
PR入口带喷嘴的喷管，附在摇臂上 手动和自动干油润滑
适用于液压、冷却水和集中润滑系统
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2A
超快冷(UFC)（待定）
To be prepared by other competitor if applicable
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7 7.1 布置
带辊道的层流冷却系统
6011
层流冷却下的输出辊道
层流冷却系统区域 功能
热带钢的输送和底部冷却集管的支撑，包括交叉喷雾装置 技术数据 数量 辊道长度 辊数 辊尺寸 辊转速 辊距 电机数据 描述 辊道架
辊道架为钢梁结构，焊接结构与横梁连接，安装基础，容纳滚子单元和底部冷却头
辊装置
快换单元，由滚子、轴承座、联轴器、电机组成的单元，安装在单个架上，通过夹紧式锁定杆将该架固定在主辊道架上。
辊子
耐磨壳式滚子，不锈钢层，焊接轮毂，两端有法兰轴
辊冷却
外部冷却 1
app. 73 720 mm app. 195
app. Ø300 x 2 100 mm max. 22 m/s app. 380 mm. p = 9.6 kW n = 0 – 1 400 rpm
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轧辊轴承装配 在操作侧(OS)和驱动侧(DS)的钢轴承座中的自对准滚子轴承
辊传动 由电动马达和柔性联轴器单独驱动的滚轮，安装在操作侧
固定侧导 焊接结构，螺杆安装到轴承座上，驱动上方有盖板
润滑 参考图
手动和自动干油润滑
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7.2 布置
层流
在输出辊道的上下。冷却系统由几个冷却组组成，不同的水的应用。维修时，每组顶部冷却头可由液压缸向上旋转 功能
在钢卷卷取之前对带材进行水冷却，以达到规定的冶金性能和温度 技术数据 类型
应用宽度 approx. 应用长度 approx. 最大水量, approx.
冷却组的数量
基本组 加强组 修整组
冷却区数量 (单独可切换)
基本组 加强组 修整组
4 top and 4 bottom with flow monitor-ing
6 top and 6 bottom with flow control 8 top and 8 bottom with flow monitor-ing 7 6 2
上下集管的层流式 2 050 mm 73 720 mm
16 600 m³/h design value
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每个冷却组的集管数量
基本组 加强组 修整组
每个集管的水量, approx..
基本组 加强组 修整组
To be finalized during design 倾斜气缸
气缸尺寸 approx. 液压压力
Ø 140/80 x 910 mm 210 bar
13
88 m³h top and 35 m³/h bottom 118 m³h top and 71 m³/h bottom 59 m³h top and 35 m³/h bottom 4 top and 12 bottom 6 top and 12 bottom 8 top and 16 bottom
边部遮档系统的数量 描述 上冷却头
碳素钢管配不锈钢鹅颈管，通过法兰连接配管
分配管 管束
带法兰的钢管，通过旋转接头与管柱连接 确保供水，调节分配管和液压缸的旋转接头，用于倾斜顶部冷却头
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边部遮挡 控制冷却水在顶端地带的分布宽度为了得底冷却头 侧喷 管道工作 润滑
到一个温度均匀分布, 边部遮挡安装在顶部边缘冷却头,机电驱动偏转板,可以单独驱动的不对称遮挡,通过位于层流和卷取机的扫描仪测量温度分布
碳钢管与不锈钢喷涂管连接，固定在辊道框架上，用软管连接到供应线上
1个排在最后精轧机后，1个排在每个冷却组前，2个排在最后冷却组后，每个单元由2个舌形喷嘴组成，通过软管连接到供给线从层流槽到管道柱、底部冷却集管和交叉喷管的管道是连接管道工作的一部分
手动和自动干油润滑
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参考图
Super- and reinforced cooling groups
Micro groups
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Trimming groups
Cross section
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Edge masking
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7.3 布置
层流的检修平台
6015
在传动侧层流区的管列附近 功能
有通道访问输出辊道和层流线的某些部分,安装阀门 技术数据 数量 描述
钢制，有楼梯、梯子、盖板和栏杆 参考图
1
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8 层流后的输出辊道
布置
在夹送辊单元的机架辊和层流之间 功能 输送热带钢 技术数据 数量 辊道长度 辊数 辊子尺寸 辊转速 辊距 电机数据 描述 辊道架
辊装置
辊子 端有法兰轴 辊冷却
6017
1
app. 20 740 mm app. 56
app. Ø300 x 2 100 mm max. 22 m/s app. 380 mm p = 9.6 kW n = 0 – 1 400 rpm
辊道架为钢梁结构，焊接结构与横梁连接，安装基础，容纳滚子单元和底部冷却头
快换单元，由滚子、轴承座、联轴器、电机组成的单元，安装在单个架上，通过夹紧式锁定杆将该架固定在主辊道架上。
耐磨壳式滚子，不锈钢层，焊接轮毂，两
外部冷却，在区域底部表面检查内部冷却
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轧辊轴承装配 在操作侧(OS)和驱动侧(DS)的钢轴承座中辊传动 固定侧导润滑
的自对准滚子轴承
由电动马达和柔性联轴器单独驱动的滚轮，安装在操作侧
焊接结构，螺杆安装到轴承座上，驱动上方有盖板
手动和自动干油润滑
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