DANOIL DANIELI OIL FILM BEARINGS

Latest generation for rolling mill equipment thanks to Danieli’s expertise in design and processes for the metal industry

INTEGRACTION SMART SERVICES FOR INTEGRATED SUPPORT DANOIL LATEST GENERATION FOR ROLLING MILL EQUIPMENT THANKS TO DANIELI’S EXPERTISE IN DESIGN AND MANUFACTURING PROCESSES FOR THE METAL INDUSTRY

Introduction 3 Why choose DanOil bearings?

6 Engineering Research and Development

DanOil main components 8 White Metal Welding of Bushings

10 White Metal Centrifugal Casting Process of Bushings 12 DanOil Sleeves

14 Sealing System L L I I 15 Seal End Plate (Nitreg process)

16 Locking Device

18 Bearing Lubrication Systems

20 Reconditioning Refurbishment and Repair DAN DAN

22 De-Chocker and Tilter Machines

Customer Service 24 Traceability / Quality Certificate

25 Installation, Advisory Service and Training

DanOil sizes 26 DanOil Bearing data table

Danieli Service portfolio 28 High Technology Products

30 DanOil Bearing reference list

32 Danieli Service Centers and Danieli Workshops and Facilities

SINCE 1962

1 DANIELI SERVICE DANOIL

— Know-how — On-site Customer Being an integral part of Assistance Danieli, world leaders in rolling The Danieli philosophy of WHY CHOOSE mill innovation, ensures DanOil strong customer support is at bearings are at the forefront of the heart of DanOil bearing’s developments in all aspects of operating approach. We offer DANOIL BEARINGS rolling technology. comprehensive, worldwide technical support service for Rolling mill back-up rolls are designed to withstand the — Engineering Experience oil-film bearing users in all forces generated by the rolling process and therefore Our engineers have extensive aspects of design, operation, require bearings capable of carrying very high loads. knowledge and "hands on" maintenance and spare parts. To ensure the mill stand is as stiff, as possible the experience of the design, bearings also must be stiff and compact. manufacture, installation and — Safety and Application DanOil bearings satisfy this requirement-which is operation of all back-up roll We are able to offer new one of the reasons they are a well-proven design in oil-film bearings and rolling mill mechanical and hydraulic this field. DanOil bearings are located in the backup technology. locking designs to increase roll chocks and are connected to a re-circulating oil operator safety and to lubrication system, usually located in the mill cellar. — Reseach and Development simplify the assembly and Through our knowledge and installation procedure, with experience in the design and every unit specifically operation of oil-film bearings, designed for each customer’s we have identified and are actual requirements, ensuring committed to further there are no disruptions to improvement of the bearing rolling schedules. and associated equipment. — Competitive Pricing — 100% Interchangeable Our aim is to reduce mill Our standard range of bearings operating costs by providing is fully compatible with other the highest quality bearings manufacturers’ bearings, for and spares at low prices. which we offer a full range of Danieli's highly efficient spares. production techniques and strong buying power results — Forefront Manufacturing in very competitively priced Cells bearings and spare parts, Investment in state-of-the-art, without compromising the purpose-built machines will high finished quality to which ensure that all the components Danieli's customers have of DanOil bearings are become accustomed. manufactured to the highest possible standards and — DanOil Worldwide tolerances. The Danieli References Headquarters manufacturing In addition to a facility in Buttrio () is the comprehensive list of DanOil most modern in the industry, bearing customers, we also together with DanOil supply spare parts such as manufacturing workshops in new oil-film bearing sets for Changshu (), in Chennai many hot-and cold-rolling (), and coming soon in mills supplied by both Danieli Ashland (USA). and others.

2 3 DANIELI SERVICE DANOIL

1. Back-up roll 2. Bushing 3. Sealing system 4. Sleeve 5. Back-up roll chock 6. Sleeve ring 7. Thrust bearing 8. Chock end plate 9. Hydraulic locking unit 10. Outer end plate 11. End cover

1 2 3 4 5 6 7 8 9 10 11

— Bushing — Sleeve — Sealing system — Locking device — Sleeve ring — Chock End Plate, Outer — Bearing End covers — Thrust bearing End Plate and other rings The bushing is the static part The sleeve is the journal part To keep the roll coolant and Various types of locking The sleeve ring located in the Thanks to the skill and These items secure the A conventional double-row, of the bearing assembly and is of the bearing assembly; it is the bearing lubricant separate, devices are used to ensure outboard end bore of the experience of our engineers, components to the back-up taper roller bearing withstands located in the bore of the located on the taper neck of specially developed seals are that the sleeve and the other sleeve is used to transmit the Danieli can offer its customers roll chocks and form an the axial loads imposed on the back-up roll chock. The steel the back-up roll. located at the inboard end of components mounted on the axial force from the locking innovative, high-tech solutions oil-tight enclosure at the back-up roll and bearing by the shell of the bushing is lined The sleeve is made from the bearing. Danieli can supply roll are located in the right unit to the sleeve during for the other main components outboard end of the bearing rolling process. Traditionally with a special white metal (also high-quality forged alloy steel the innovative solutions for the position. mounting and also to transmit of the oil-film bearing. assembly. this bearing is mounted on the known as Babbitt). DanOil and is precision ground to coolant seal (stationary), the Danieli can offer two efficient any axial forces to the thrust operator side of the mill. Babbitt was carefully selected ensure roll eccentricity is aluminum seal inner ring and solutions as an alternative to bearing. For optimal control of the axial for its ability to reduce start-up minimized (the bearing surface neck seal (rotates). the traditional mechanical and movement of the bearing and friction and to withstand rolling is round and concentric to 3 Moreover Danieli has hydraulic locking systems. chocks, thrust bearings may forces, as well as to capture micron or better). developed a innovative solution be fitted to both ends of the small particles that otherwise for the Seal End Plate (with roll. Chock-spreader bars, their would damage the bearing. nitreg heat-treatment process), locating pods, and the solving the difficult working associated maintenance of conditions to which these these items are eliminated. components are exposed.

4 5 DANOIL

ENGINEERING, RESEARCH AND DEVELOPMENT

The DanOil system is a fundamental part of the technological equipment fitted to hot- and cold-rolling stands, and Danieli has a group of specialists who are fully dedicated to its design and development for continuous improvement of quality and service life, thus ensuring it maintains its top-level status. The Danieli Engineering Department backed by the Danieli Research and Development Center and based on feedback from its on-field technicians, focuses on conceptual design, customized solutions and standardization of oil-film bearing components, so as to develop first-class, reliable and innovative products at competitive prices.

1.

1. FEM allows us to simulate working conditions and to analyze the behavior of the sleeve and bushing in various loaded conditions. This ensures that we optimize the performance of each bearing component. 2. Danieli’s expertise in design, manufacturing and experience of rolling processes for long and flat mills, has ensured that the DanOil bearing technology has reached the same levels of 2. excellence for all types of rolling applications.

6 7 DANIELI SERVICE DANOIL

White metal welding facilities WHITE METAL have been installed in our WELDING OF shops in Italy, China and India BUSHINGS to ensure that DanOil bushings are manufactured to the highest standards. This investment is proof of our commitment to control the production of key components. This new center is specifically dedicated to spinning the white metal linings onto the bushing shells of DanOil bearings. The maximum capacity is ø 2,000 x 1,500, with a maximum casting weight of 5,000 kg. In an air-controlled, covered area of more than 500 square meters, all the following 1. operations for this production process are performed:

— heating and tinning to activate the bushing surface and facilitate the bonding of the white metal; QUALITY DANOIL — welding casting facility to distribute the white metal onto COMPONENTS: the bushing surface evenly; — accelerated cooling to TRACEABILITY obtain 100% bonding and OF THE ENTIRE achieve the specified bond strength; PRODUCTION — every bushing is ultrasonically tested in order CYCLE. to confirm no cracks on longitudinal welding and Chalmers test is performed to ensure bond strength value. 2.

Advantages of plasma welding — Very fine microstructure for high compressive strength; — Uniform quality due to high reproducibility of the process parameters; — Environmental friendliness due to save resources; — Consistently thin layer even after repeated repairs. This installation, which complies with the UNI EN ISO 9001 standard, is 1. environmentally friendly: particular attention has been given to the fume treatment plant to ensure a safe working 3. environment.

1. Bushing welding booth with controlled atmosphere and temperature. 2. Bushing machine at the end of the white metal welding process. 3. Ultrasonic testing to determine bushing bond strength.

8 9 DANIELI SERVICE DANOIL

A centrifugal casting facility WHITE METAL was installed in Changshu CENTRIFUGAL (China) to manufacture CASTING PROCESS DanOil white metal, high- OF BUSHING thickness bushings to the highest standards. This center is specifically dedicated to spinning the white metal linings onto the bushing shells of DanOil bearings. The maximum capacity is ø 2,000 x 1,400, with a maximum weight of 6,000 kg. In an air-controlled, covered area of more than 600 square meters, all the following operations for this production process are 1. performed:

— chemical cleaning, pickling and fluxing; — heating and tinning to activate the bushing surface and facilitate the bonding of the white metal; — heat pot capable of holding 1,000 kg of molten white metal; — centrifugal facility to distribute the white metal onto the bushing surface evenly; — accelerated cooling to obtain 100% bonding and achieve the specified bond strength; 2. 3. — every bushing is ultrasonically tested to ensure 100% bonding. Bond strength is verified by Chalmers tests. This installation, which complies with the UNI EN ISO 9001 standard, is environmentally friendly: particular attention has been given to the fume treatment plant, maintaining a safe working environment.

4.

1. Bushing casting machine installed in Danieli Changshu, China 2. Working in synergy towards a common goal 3. Bushing exiting the centrifugal machine at the end of the white metal casting process. 4. Every bushing is ultrasonically tested to ensure 100% bonding.

10 DANIELI SERVICE DANOIL

To ensure the machine is capable of achieving One of the attributes of oil-film bearings is that DANOIL SLEEVES the highest standards, Danieli’s oil-film bearing RECONDITIONING in the event of mill wrecks or other accidental manufacturing experts played an extensive role REFURBISHMENT damage, the sleeves and bushings can be in the design of the grinding machines installed AND REPAIR reconditioned to first-class condition by in Danieli’s three, state-of-the-art regrinding and re-spinning processes, manufacturing facilities. respectively. These CNC machines ensure the highest As part of our customer service, our engineers accuracy and repeatability during the sleeve can be available to visit the site and assess the grinding and polishing process. The taper bore condition of your bushings and sleeves in your and the bearing journal diameter of the sleeve roll shop. are ground simultaneously to ensure After careful evaluation we will confirm if they concentricity values consistent with modern, are suitable or not to send to Danieli for rolling mill Automatic Gauge Control reconditioning. Doing this will reduce the risk requirements. of unnecessary transportation costs. Sleeves are ground to roundness and 1. Bushings, sleeves and hydraulic locking units 1. concentricity values of ≤ 3µm. Every sleeve is can be repaired in Danieli’s worldwide checked to ensure it meets the rigorous workshops, giving longer life to repaired items standards for roundness, wall variation and and considerable economic benefits. hardness prior to dispatch. The grinding machine table features a hydrostatic oil-film bearing to ensure a mirror like surface of the bearing journal, with a surface finish Ra value of 0.02 µm. The mirror finish enables the bearing to operate at high loads by reducing the risk of metal-to-metal contact between the sleeve and the bushing during operation.

2. 2.

1- 3. The high-tech CNC 1. Reconditioning external diameter grinding machine performs simultaneous internal and of bushing during the grinding external grinding in order process. to achieve a wall thickness 2. Internal, preliminary visual concentricity lower than 3 μm. inspection of bushings. The external surface is ground to 3. New, high-tech 3-D CMM machine a mirror finish (surface roughness at Danieli HQ, Italy; works in lower than 0.025 μm). temperature control; measures 2. Finished sleeve ready for final all pieces within a tolerance of 1 inspection. 3. micron. 3.

12 13 DANIELI SERVICE DANOIL

Thanks to our engineering Due to the difficult working SEALING SYSTEM experience we have developed SEAL END PLATE conditions to which the seal new neck seal (Danieli Patent) (NITREG PROCESS) end plate is exposed, we and a coolant seal (Danieli 1. Seal End Plate have optimized the design by Patent) to retain the oil within 3-D VIEW OF analyzing critical aspects the bearing and exclude 2. Coolant Seal such as stress concentration coolant. THE DANIELI 3. Neck Seal and heat transfer that The standard Neck seal rotates 4. Seal Inner Ring severely affect the other with the roll and has garter SEALING sealing components of the springs and internal stiffening assembly. to prevent it from being SYSTEM These issues have been deformed by centrifugal forces addressed in our when rotating at high speeds. 1 manufacturing process by To enhance seal performance using a high-quality forged Although DanOil bearings further, the seal lips are made 2 steel, and a Nitreg heat- are tolerant of lubricating from PTFE. treatment procedure. oil contamination, This reduces friction and heat This Nitreg treatment is a it is nevertheless build-up to prolong seal life. Danieli-patented process that important to ensure that gives an optimal seal running the lubricating oil is Seal developments surface, with the additional maintained in first-rate — No oil leakage, no coolant benefit of corrosion condition by preventing ingress and no scale ingress; protection. infiltration of mill coolant — PTFE lips provide higher This reduces wear and and contaminants. durability thanks to anti- corrosion, and improves friction properties and lower lubricity of the sealing surface working temperature; and heat transmission, — easy to install and resulting in a low working remove; Details of coolant seal (top) and Hardness tests being carried out temperature of the seal. — seal life is three times neck seal (bottom) showing the on the seal end plate after the higher than NBR standard PTFE lips that enhance and Nitreg process. requirements; improve seal life. — reduced spare parts costs. 3 4

1. Assembly of sealing elements on the back-up roll chocks at customer’s site. 2. Machining of the seal end plate on the grinding machine.

1. 3.

14 15 DANIELI SERVICE DANOIL

— Traditional solutions — T-LOCK Mechanical HLU Hydraulic locking unit LOCKING DEVICE There are still many mills in the locking Modern rolling mills built in world that use locknuts and To solve the problems of the past decade have been threaded half rings to secure operator safety and damage to equipped with a hydraulic the bearing on to the roll. the threaded ring and ring nut, bayonet locking device to Probably just as many use Danieli engineers developed a ensure operator safety and to quick-change locknuts and new solution called T-Lock. engage and disengage the threaded rings. Once a locknut This mechanical locking bearings in a controlled and has been tightened, it keeps system provides the same repeatable manner. the bearing components in results as the hydraulic lock position without axial but is less invasive and costly. movement. However, these two The calibrated screws push the methods rely on using an pressure ring against the thrust overhead crane and a wire bearing and lock the system. To ensure the bearing is rope to tighten and loosen the The mounting and dismounting locknut. In response to our of the oil-film bearing is easier secure on the roll, vari- 1. 2. ous methods of locking customers’ concerns over and faster with the torque are used: potential safety issues of this wrench; the locking force is — Traditional solution, operation we have developed a always controlled and the load 1. SSAB Tandem Mill workshop with locknuts and hydraulic locking unit that is perfectly calibrated. team and Danieli Service threaded rings; ensures the mounting/ DanOil technical team at — T-Lock mechanical dismounting force is controlled the completion of the HLU and consistent each time. installation locking unit; 2. Recent advisory services/ — HLU hydraulic locking training on oil-film bearing unit. maintenance practices in Egypt. 3. T-Lock mechanical locking 2 6 1 9 10 11 Hydraulic locking nuts unit installation at Metinvest Valsider in Italy. 8 section view 4-5. Pressure testing of hydraulic 1. Cylinder locking unit before delivery. 2. Threaded Jam Nut 3. Port Fittings 4. Splined Snap Ring 5. Piston 3. 6. Pressure to Dismount 7. Pressure to Mount 8. End Plate 9. Chock 10. Bushing 11. Sleeve 12. Key 3 4 5 7 12 13 13. Roll

Conversion of existing locking systems to the Benefits of converting to DanOil Technology DanOil technology provides a safe and — quicker assembly and disassembly process; controlled operational procedure — precise locking force and resultant position of DanOil engineers provide technical evaluations to assembled bearing components on roll body; confirm that locking conversions on existing hot — reduction of crane-dependent tasks in the roll and cold mills can be implemented. The shop; customer is supported in ensuring that the final — productivity and quality improvements by design selection achieves the criteria and objec- proper bearing mounting. tives required, and in addition to this we provide plant operators training consisting of classroom and on-site sessions. 4. 5.

16 17 DANIELI SERVICE DANOIL

— Hydrodynamic lubrication — Hydrostatic lubrication BEARING The traditional two-tank system shown below Mills that frequently operate at low speeds (plate LUBRICATION enables oil conditioning to be performed with mills and reversing roughing stands) and those SYSTEMS one tank offline. that stop under load (cold reversing and temper Some of our recent installations have adopted mills) are often equipped with hydrostatic the single-tank system to reduce space and systems to prevent damage to the bushings until costs. In these cases the oil conditioning is the hydrodynamic film is established. Continuous performed online by use of a vacuum cold mills and new, thin-slab hot-strip mills can separator. require hydrostatic lubrication as well. Recently, In the traditional system shown below, fixed there has been a trend by tandem cold-mill delivery pumps circulate oil around the circuit operators to retrofit hydrostatic lubrication and the stand pressure valve controls the oil systems to improve mill performance at low demanded by the bearings. The excess oil is speeds. diverted back to the tank. In certain Endless rolling mills that stop to shear coils while applications it is beneficial to use variable the mill is under load can restart without risk of speed pumps to supply the oil flow rate bearing damage or tension variations due to required by the bearings, thus reducing the oil boundary lubrication. New, high-strength steels circulation. impose severe power constraints on mills and Further reductions in tank sizes (and hence often necessitate rolling at high loads and low tank heating/cooling requirements and cellar speeds. This may cause extreme lubrication space) can be achieved by using super conditions in the bearings, resulting in bearing demulsifying oils to reduce settling time to a damage. Conversion to hydrostatic operation will minimum. alleviate this damage. To minimize loss of production, installation of the pump and interconnecting piping can be conducted during normal rolling. The mill stand piping and connection to the hydrodynamic system may be installed during normal scheduled stops.

— Hydrodynamic lubrication circuit — Hydrostatic lubrication circuit

Thrust side Non-thrust side Thrust side Non-thrust side MMI pump control screen TOP B.U. CHOCK TOP B.U. CHOCK System OPERATOR SIDE DRIVE SIDE filter 150 Cooler

FLOW FLOW Stand piping high pressure PLC MCC interface BOTTOM B.U. CHOCK BOTTOM B.U. CHOCK OPERATOR SIDE DRIVE SIDE

pump control logic 95 120 160 200 240 280 System pressure control valve

Motor control Power Interconnecting piping center high pressure Pumps To other stands 1 duty Manifold Hydrodynamic 1 stand-by drain line Stand Control Power P filter 100 T Stand pressure Logic isolator start J control M Triplex pump valve stop box E-stop Hydrostatic P system T (if fitted) Water out

Tank 1 Tank 2 Water in Supply line Supply from hydrodynamic system To other hydrostatic pumpsets Drain line

18 19 DANIELI SERVICE DANOIL

During the mounting and controlling the procedure bearing assembly onto the DE-CHOCKER AND dismounting of the chock safely, accurately and roll. TILTER MACHINES assemblies on the rolls, it is predictably. The roll is supported by four difficult to control these The Danieli De-Chocker and motorized rolls, which allows movements using the Tilter machine are designed the roll to be turned to align overhead crane. to accommodate a range of the keyways in the roll with We have designed a back-up chock sizes that are found in the keys in the bearing roll chock changing device in the shop. sleeve. response to customers’ This ensures minimal cost By using the Danieli De- requests to improve safety outlay and that customers’ Chocker, tilter and hydraulic and reduce damage to requirements are met in full. locking unit described above, components (especially In the De-Chocker both the the overhead crane can be seals). drive-side and roll change- used for other duties. The movements on and off side chocks are positioned the roll are performed by on a seat location, which can hydraulic actuators thus be moved horizontally to ensuring the operator is mount and dismount the

1.

2. 3.

— 3D image of the new 1. After successful completion Daniel chock-changing rig that of the plant personnel training optimizes roll shop efficiency. schedule, the chocks and bearings were assembled onto the back-up rolls using the rig in a safe and controlled manner. 2. BUR chock positioning on the chock tilting unit for bearing components assembly. 3. Assembled chock ready to be mounted on the back-up roll. 4-5. Positioning of the plate mill back-up roll on the rig for fast, effective and safe mounting of chock on the roll neck. 4. 5.

20 21 DANIELI SERVICE DANOIL

Every bushing and sleeve has We offer a comprehensive, demonstrate the correct bushings and sleeves in your TRACEABILITY / its own unique identification INSTALLATION, worldwide technical support assembly of the bearings and roll shop. After careful QUALITY number stamped on the ADVISORY service for oil-film bearing to monitor the hydrodynamic evaluation, we will determine if CERTIFICATE flange. This is an essential SERVICE AND users in all aspects of design, (and hydrostatic, where they need to be sent to Danieli requirement for the complete TRAINING operation, maintenance and applicable) fluid systems to for reconditioning. Doing this control of all aspects of our spare parts, as well as: ensure a smooth start-up. will reduce the risk of manufacturing quality unnecessary transportation procedures. — Help during planning of — Rolling Mill and Rollshop costs. The identification numbers are new mills and revamps Audit very important for the We will determine the required Throughout the life of the mill — Training on-site and in customer’s future reference, size of bearings and oil we are able to help our clients classroom particularly in the event of a requirements. with advice on operational, We take great care to ensure mill wreck resulting in bearing We will provide information for maintenance troubleshooting the client’s operating damage. the interface with mating and reconditioning procedures personnel receive first-class Every production step, We always recommend that The Danieli philosophy of components, such as chocks of the bearing components. training in the assembly and from materials arrival to customers record the bushing strong customer support and rolls. maintenance of DanOil dispatch, is recorded to and sleeve number, along with is at the heart of the We will supply technical — Reconditioning service bearings. issue the final DanOil the roll and chock number and 1. operating approach of support during the installation One of the attributes of oil-film product certificate and where they are installed in the DanOil bearings. and commissioning periods. bearings is that in the event of — Manuals ensure full traceability. mill. Operational assistance is mill wrecks or other accidental Service/operating manuals are This historical data can be available throughout the life of damage, the sleeves and supplied as teaching materials used to determine the amount the mill, with advice on bushings can be during the training courses. of time in service, and the troubleshooting and reconditioned to first-class amount that has been rolled. reconditioning procedures. condition by re-grinding and re-spinning processes, Further evaluation of the data — Installation and respectively. will assist in identifying the commissioning As part of our customer cause of the problem. Towards the end of the service, our engineers are At the end of the installation period our available to visit the site and manufacturing process and engineers visit the client to assess the condition of your before shipment, the DanOil quality department issues for each bushing/sleeve the dimensional and quality certificate, which guarantees the components are in compliance with EN10204. 2.

4.

1. Non-destructive dye-penetrant testing of bushing after welding. 2. DanOil bearing ready to be shipped. 3. The strength of the bond interface between the white metal and the shell is verified by a Chalmers test. 4. Checking the dimensional roundness and concentricity of a sleeve. 5. 3. 5. Measuring white metal thickness.

22 23 DANIELI SERVICE KL Rating Roll Chock Drains Typical Applications Unfactored HB3 F2 Neck Stress Size Series kN Mpa A C K Z Emin M DA D hyd cyl rocker L E/2 Gmin Bmin Xmin Jmin 67 5.750 89,7 295 855 225 380 450 485 Cold Strip and Temper Mills 30 75 6.430 108,9 320 875 597 520 750 120 250 400 475 505 635 375 815 560 380 600 Hot Bar and Section Mills Hot Strip Mills 84 7.20 0 131,3 345 900 275 425 495 530 (Narrow/Light Duty) 67 6.530 30,2 310 870 240 400 480 515 Hot Steckel Mills DANOIL 32 75 7.320 109,1 335 890 631 555 790 120 265 420 505 540 675 395 865 585 405 650 (Narrow/Light Duty) 84 8.190 131,2 360 910 290 440 530 560 BEARING 67 7.370 90,2 325 885 255 410 510 550 34 75 8.260 110,4 355 910 666 590 840 120 285 435 535 570 715 420 915 635 430 700 DATA TABLE 84 9.250 134,1 385 940 315 465 560 595 67 8.270 89,5 345 1.060 270 470 540 580 36 75 9.260 10734 370 1.080 707 630 890 125 295 490 565 605 760 445 965 660 455 700 84 10.370 131,6 405 1.110 330 520 595 630 67 9.220 88,4 355 1.065 280 475 575 615 38 75 10.320 107,3 385 1.090 742 665 950 125 310 500 600 640 805 475 1.015 685 480 750 84 11.550 131,1 420 1.120 345 530 630 670 67 10.210 87,3 370 1.090 290 500 600 645 40 75 11.430 105,7 400 1.120 780 705 1000 125 320 525 630 670 845 500 1.065 735 510 800 Standard keyless range 84 12.800 128,7 435 1.145 355 555 660 700 — All dimensions shown 67 11.260 85,7 390 1.100 305 510 630 675 are standard but can be 42 75 12.600 104,6 425 1.130 827 740 1050 140 340 540 660 705 885 525 1.120 760 535 800 changed to suit special project 84 14.110 126,8 460 1.160 375 570 690 735 requirements. 67 12.360 85,5 400 1.115 315 525 660 710 — All data in the table is given 44 75 13.830 104 435 1.145 860 775 1090 135 350 555 690 740 930 545 1.170 815 560 850 only as a guide for the mill 84 15.490 127,2 475 1.180 390 590 725 770 designer - all applications of 67 13.500 86,2 425 1.140 340 545 690 740 a chosen bearing designation 46 75 15.110 104,4 460 1.165 902 810 1150 145 375 575 720 770 970 575 1.220 840 585 900 must be checked and 84 16.930 127,1 500 1.200 415 610 760 805 approved by Danieli’s DanOil 67 14.700 84,6 435 1.155 335 565 720 775 division. 48 75 16.460 102,4 470 1.185 939 850 1180 145 370 595 755 805 1.015 590 1.270 890 610 950 — Comprehensive 84 18.430 125,6 515 1.220 415 630 790 840 specifications, accurate 67 15.960 84,6 450 1.165 350 575 755 810 Cold Strip Mills arrangement drawings, 50 75 17.8 6 0 103,1 490 1.200 976 885 1230 150 390 610 790 840 1.060 615 1.320 915 635 1.000 (Wide/Heavy Duty) parts list and lubrication Hot Strip Mills 84 20.000 126 535 1.240 435 650 825 880 Hot Steckel Mills requirements are supplied. 67 17.25 0 86,1 470 1.340 368 625 780 835 Hot Plate Mills — We offer a complete 52 75 19.310 104,6 510 1.380 1009 920 1260 145 408 665 815 870 1.095 630 1.370 965 660 1.050 Hot Roughing Mills technical service - our 84 21.640 127,4 555 1.420 453 705 855 910 knowledge and experience will ensure that your bearing 67 18.610 85,7 485 1.360 390 645 810 870 selection is optimized 54 75 20.830 104,9 530 1.400 1047 955 1290 150 435 685 850 905 1.140 645 1.420 990 685 1.100 for your mill application. 84 23.330 127,4 575 1.440 480 725 890 945 — Comprehensive spare parts 67 20.430 82,4 505 1.380 415 665 850 910 service for all existing bearing 56 75 22.860 100,4 550 1.420 1108 1015 1350 150 460 705 890 950 1.195 675 1.475 1.015 710 150 types and ranges - i.e. Morgoil, 84 25.610 122,7 600 1.465 510 750 930 990 Morgan, KLX, Davy, SMS, 67 23.450 80,1 525 1.580 425 690 910 975 Hot Steckel Mills 60 75 26.250 97,3 570 1.620 1184 1095 1440 145 470 730 950 1.015 1.275 720 1.575 1.095 760 1.200 (Wide/Heavy Duty) MDS, Mesta, IHI, Innse. Hot Roughing Mills 84 29.410 119,6 625 1.665 525 775 995 1.060 (Wide/Heavy Duty) 67 26.680 79,8 555 1.615 455 725 990 1.065 Hot Plate Mills 64 75 29.860 97,4 605 1.655 1259 1170 1520 145 505 765 1.035 1.110 1.360 760 1.675 1.170 810 1.350 (Wide/Heavy Duty) 84 33.450 119 660 1.695 560 815 1.090 1.160 67 29.710 77 575 1.765 450 820 1.045 1.125 68 75 33.260 94,5 630 1.815 1335 1245 1640 144 505 870 1.095 1.175 1.440 820 1.780 1.250 865 1.450 84 37.25 0 116 690 1.865 565 920 1.155 1.225 67 32.840 78,6 600 1.795 475 850 1.095 1.180 70 75 36.640 95,7 655 1.845 1390 1300 1690 144 530 900 1.150 1.230 1.510 845 1.860 1.285 890 1.500 84 40.780 116,3 715 1.895 595 950 1.210 1.285 67 34.530 77 610 1.815 485 880 1.125 1.210 72 75 38.660 94,8 670 1.865 1430 1340 1730 144 545 920 1.180 1.265 1.550 865 1.910 1.320 915 15.550 84 43.300 116,4 735 1.920 610 975 1.240 1.325 67 37.14 0 77 630 1.830 505 885 1.165 1.255 74 75 41.550 94,4 690 1.880 1480 1390 1780 144 565 935 1.220 1.305 1.600 890 1.980 1.360 940 1.600 84 46.320 115,2 755 1.940 630 995 1.280 1.365 67 39.980 77,5 650 1.855 525 910 1.210 1.305 76 75 44.740 94,7 710 1.910 1529 1440 1860 144 585 940 1.270 1.360 1.670 930 2.040 1.395 965 1.650 84 50.220 116,8 780 1.970 655 1.025 1.335 1.425 67 45.810 77,2 685 2.123 560 935 1.305 1.405 80 75 51.290 95,3 755 2.208 1628 1540 2000 144 625 1.020 1.365 1.465 1.800 1.000 2.180 1.470 1.015 1.750 84 57.430 117,4 830 2.273 700 1.080 1.435 1.530 67 48.500 76,1 700 2.218 575 960 1.340 1.445 82 75 54.400 93,9 770 2.278 1679 1590 2050 144 645 1.020 1.405 1.505 1.850 1.025 2.230 1.505 1.040 1.800 84 61.150 116,6 850 2.338 720 1.085 1.480 1.575

24 25 DANIELI SERVICE DANOIL

HIGH- TECHNOLOGY PRODUCTS Technical support, training, spare parts, assistance, plant upgrading and refurbishment.

— Q-ROLL — DANLINER — CLADDED ROLLS Caster rolls to increase productivity and reduce plant OpEx. Rolling mill stand liners to improve Hot-mill rolls reconditioned multiple times for unlimited roll body lifetime, using performance and protect the stand from performance-driven custom-made coatings. imprint damage.

— DANCHOCK — HAGC — BENDING BLOCKS — LEVELER ROLLS — SINK-ROLLS — SCREWDOWN AND NUTS High-quality forged or cast bearing chocks, Automatic cylinders to provide consistent An effective mechanism to control strip Hot and cold leveler rolls, flattener and Zinc Pot rolls and auxiliary equipment to The mechanical and hydraulic screwdown for rolling mill back-up, work, and service life in the worst mill conditions. shape is work-roll bending. straightener rolls, and tension and improve coated product quality and reduce system allows the roll gap to be opened intermediate rolls. multi-roll leveler rolls for both the ferrous operational costs. extremely quickly during the rolling of and non-ferrous metals industry. ingots.

— DANCUT — DANMANDRELS — DAN’JOINT — GEARBOXES Customized shear blades for the ferrous Hot and cold coilers fitted with the latest technological innovations, and refurbishment High-torque cardan shafts to provide customers with a quality product capable of Top-notch efficient solutions for minimal and non-ferrous metal industry, designed and overhaul programs to extend mandrel life. withstanding the tough working conditions typical of a steelmaking complex. friction, best lubrication characteristics to enhance plant performance and and high-quality precision machining. improve reliability.

26 27 DANIELI SERVICE DANOIL

— AMERICAN AREA — CHINESE AREA DANOIL Jsw Steel Inc USA Plate Danieli Baoshan I&S Co Ltd PR China Hot Strip SMS Siemag BEARING North Star Bluescope USA Hot Strip Danieli Jiangyin Xingcheng Steel PR China Plate, Steckel Danieli Nucor Steel Gallatin USA Hot Strip Danieli Baosteel Meishan PR China Hot Strip Danieli REFERENCE LIST Altos Hornos Mexico Hot Strip Danieli Hebei Zongheng PR China Hot Strip China First Heavy Ternium Argentina Hot Strip SMS Siemag Hunan Valin Lianyuan PR China Hot Strip, Plate SMS Siemag Arcelormittal Tubarao Brasil Hot Strip SMS Siemag Minmetal Yinkou Medium Plate PR China Plate SMS Siemag Usiminas Ipatinga Brasil Hot Strip Primetals Nanjing I&S Co Ltd PR China Hot Strip - — EUROPEAN AREA Shagang Zhangjiagang PR China Hot Strip Danieli Arcelormittal Gent Belgium Hot Strip Danieli Shougang I&S Qian'an PR China Hot Strip SMS Siemag Outukumpu Finland Hot Strip SMS Siemag Tangshan Guofeng I&S Group PR China Hot Strip Danieli Ssab Europe Finland Hot Strip, Tandem Danieli Tangshan I&S Co PR China Hot Strip Danieli In the past 20 years, the Arcelormittal Dunkerque France Hot Strip Primetals Tianjin Tiantie Metallurgy Co PR China Hot Strip China First Heavy Danieli Group has supplied PR China Hot Strip SMS Siemag more than 5,000 high- Arcelormittal Florange France Hot Strip, Tandem Danieli, Primetals Wuhan I&S Co precision oil-film bearings for Arcelormittal Fos-Sur-Mer France Hot Strip Danieli Xinyu I&S Co PR China Hot Strip China First Heavy the steel and non-ferrous Arcelormittal Bremen Hot Strip SMS Siemag Zhangjiagang Pohang Stainl. PR China Hot Strip Primetals industry to more than 150 Salzgitter Flachstahl Germany Hot Strip SMS Siemag — FAR EAST, INDIA, OCEANIA AREA customers worldwide. Today you can recognize our Thyssenkrupp Germany Hot Strip, Plate, Tandem SMS Siemag Bluescope Australia Hot Strip, Plate, Tandem SMS Siemag, Danieli modern and cost-effective Acciai Speciali Terni Italy Hot Strip - Arcelormittal Nippon Steel India Hot Strip SMS Siemag oil-film bearings by the DanOil Arcelormittal Italy Italy Hot Strip, Plate, Tandem SMS Siemag, Danieli Bhushan Power & Steel India Hot Strip SMS Siemag trademark. Liberty Magona Italy Tandem - Jindal Stainless Hisar India Hot Strip - Marcegaglia Palini & Bertoli Italy Plate Danieli India Plate Danieli Metinvest Ferriera Valsider Italy Steckel Danieli Nmdc Limited India Hot Strip Danieli Liberty Skopje Macedonia Tandem SMS Siemag Sail Bokaro India Hot Strip NKMZ Arcelormittal Poland Poland Hot Strip Primetals Sail Rourkela India Plate Danieli Csn Lusosider Portugal Cold - Pt Krakatau Steel Indonesia Hot Strip SMS Siemag Liberty Galati Romania Hot Strip, Plate, Tandem NKMZ Jfe Steel Keihin Japan Plate IHI Hbis Serbia Hot Strip, Tandem SMS Siemag Nssmc Nagoya Japan Plate IHI Arcelormittal Asturias Spain Hot Strip, Plate, Tandem SMS Siemag Nssmc Oita Japan Plate Primetals Arcelormittal Etxebarri Spain Temper SMS Siemag China Steel Taiwan Hot Strip Primetals Arcelormittal Sagunto Spain Tandem Danieli Sahaviriya Steel Hot Strip SMS Siemag Tata Steel Ijmuiden The Hot Strip, Tandem SMS Siemag Hoa Phat Steel Hot Strip Danieli Celsa Steel UK Rod Primetals Tata Steel Llanwern UK Tandem Danieli A recent, complete installation of Tata Steel Port Talbot UK Hot Strip, Tandem Danieli DanOil Bearing at Hoa Phat, Vietnam Tata Steel Trostre UK Tandem Danieli (Danieli QSP). — AFRICAN AND TURKISH AREA Sider El Hadjar Algeria Tandem SMS Siemag Al Ezz Flat Steel Egypt Hot Strip Danieli Arcelormittal South Africa Hot Strip, Plate, Tandem Primetals, SMS Siemag, Danieli Erdemir Turkey Hot Strip, Tandem Danieli Habas Turkey Hot Strip SMS Siemag Isdemir Turkey Hot Strip Primetals Mmk Metalurji Turkey Hot Strip Danieli — RUSSIAN AREA Am Temirtau Kazakhstan Hot Strip, Tandem Danieli, Uralmash Novolipetsk Steel (Nlmk) Hot Strip, Tandem NKMZ, Uralmash Omk Vyksa Russia Hot Strip Danieli Pjsc Magnitogorsk I.&S. Russia Hot Strip, Plate, Tandem NKMZ, SMS Siemag Severstal Russia Hot Strip NKMZ Azovstal (Metinvest) Ukraine Plate ZDAS Ilyich M.z. (Metinvest) Ukraine Hot Strip, Plate NKMZ, Skoda Zaporizhstal (Metinvest) Ukraine Hot Strip, Tandem Danieli Uzbek Metallurgical Plant Uzbekistan Hot Strip Danieli

28 29 DANIELI SERVICE DANOIL

Danieli Engineering and Service,

Danieli Volga Danieli Engineering Nizhny Novgorod, Danieli Service Center Polska, Poland Russia Magnitogorsk, Russia The Danieli Service Centers All activities and production Morgårdshammar Danieli Service Center operate with Danieli's manu- processes are carried out in Ukraine Danieli Cz. facturing know-how to guaran- accordance with Danieli’s own Engineering DANIELI SERVICE tee the same excellent quality technical standards and with Czech R. we achieve at our headquar- the technical requirements of ters in Italy and in our wholly international standards. CENTERS Danieli owned facilities in Thailand, Germany China, India, Austria, Germa- Danieli worldwide production Danieli Service AND DANIELI ny, Sweden, Russia, USA, and capacity: Center, UK , and allow us to claim: — 331,800 sqm dedicated to Danieli Corporation Danieli Spain WORKSHOPS AND “Danieli workshops: same manufacturing USA Danieli Service Center Korea quality worldwide”. and assembly; Daniel Headquarters — 185 primary machine tools; Danieli Service Center Italy FACILITIES Eight regional companies — 45,000 hours per month of Pennsylvania, USA Danieli Service Center Danieli Engineering plus a global network provide machining capacity; Danieli Service Center Turkey Japan full-quality Danieli services — 9,600 tpy gear cutting and Kentucky, USA Danieli China close to the customer and a grinding capacity Danieli Service Changshu, China rapid response to all, main- — 15,000 tpy heat treatment Center, Mexico Danieli Service Center, tenance and consultation capacity; Vietnam requests. — 1,000 sqm thick narrow gap Danieli Service welding Danieli do Brasil Center, Egypt — 400 t hoisting capacity. Brazil

Danieli Service Center, Saudi Arabia Danieli India Ltd, Danieli Service Center, Mumbai, India Indonesia Danieli India Ltd, Danieli Thailand, Sri City, India Rayong, Thailand

> Danieli Headquarters / Italy

Total surface area: 320,000 m2 Workshop area: 92,000 m2 Technical and administrative offices: 28,000 2m Start of operations: 1962

< Danieli China < Danieli India

Total surface area: 200,000 m² Total surface area: 320,000 m2 Workshop area: 90,000 m² Workshop area: 41,000 m2 Technical and administrative Technical and administrative offices: 12,000 m² offices: 2,500 2m Start of operations: 2007 Start of operations: 2013

> Danieli USA / Ashland (KY)

Total surface area: 30,000 m² Workshop area: 10,500 m² Technical and administrative Danieli worldwide offices: 800 m² Total surface area: 2,032,000 m2 Start of operations:2020 Workshop area: 439,000 m2 Technical and administrative offices: 123,000 2m

30 31 DANIELI SERVICE

DANIELI WORKSHOPS

State-of-the-art Dan- ieli workshops ensure top-level manufactur- ing, quality control and assembly phases, at the highest levels.

1.

2.

1. A CNC vertical lathe is used for finishing the bushings to drawing dimensions. 2. Danieli workshops house three, state-of-the-art temperature- controlled inspection rooms to check DanOil components. 3. The white metal bond strength is verified by Chalmers test in the materials testing laboratory. 3.

32 DANOIL HEADQUARTERS AMERICAS DANIELI OIL FILM BEARINGS Via Nazionale, 41 ARGENTINA 33042 Buttrio (UD) Italy Danieli Service Center, Tucumán Tel (39) 0432.1958111 Tel (54) 9351.5514390 www.danieli.com [email protected] [email protected] BRAZIL Danieli do Brasil, Diadema, São Paolo Tel (55) 11.39953150 [email protected] MEXICO Danieli Service Center, Garza Garcia Tel (52) 81.83781055 [email protected] USA Danieli Coraopolis, Pennsylvania Tel (1) 724.778.5433 [email protected] DANIELI Danieli Ashland, Kentucky SERVICE CENTERS Tel (1) 724.742.5000 [email protected]

EUROPE FAR EAST

AUSTRIA CHINA Danieli Engineering and Services Danieli Changshu Metallurgical Völkermarkt Equipment and Service, Changshu Tel (43) 4232.51440.6101 Tel (86) 512.52267000 [email protected] [email protected] GERMANY INDIA Danieli Service Center, Duisburg Danieli Service Center, Chennai Tel (49) 203.98567000 Tel (91) 44.30105439 [email protected] [email protected] POLAND INDONESIA Danieli Engineering Polska, Wroclaw Danieli Service Center, Jakarta Tel (48) 71.7770510 Tel (62) 21.29333750 [email protected] [email protected] JAPAN RUSSIA Danieli Engineering, Yokohama Danieli Volga, Nizhny Novgorod Tel (81) 45.651.7077 Tel (7) 8313.310310 [email protected] [email protected] KOREA Danieli Service Center, Magnitogorsk Danieli Service Center, Seoul Tel (7) 963.2300135 Tel (82) 2.5626622 [email protected] [email protected] SPAIN THAILAND Danieli Spain, Vizcaya Danieli Thailand, Rayong Tel (34) 94.4872800 Tel (66) 38.929000 [email protected] [email protected] INTEGRACTION SWEDEN VIETNAM SMART SERVICES Morgårdshammar, Smedjebacken Danieli Service Center, Hai Phong City FOR INTEGRATED Tel (46) 240.668500 Tel (84) 9.09689536 SUPPORT [email protected] [email protected] TURKEY Danieli Service Center, Duzce Tel (90) 380.553.72.81 [email protected] AFRICA AND MIDDLE EAST UNITED KINGDOM EGYPT Danieli Service Center, Sheffield Danieli Service Center, Cairo Tel (44) 1709724306 Tel (20) 2.22.699491 TECHNICAL SERVICE [email protected] [email protected] AND SPARE PARTS SINCE 1962 UKRAINE KSA Danieli Service Center, Danieli Service Center, Al-Khobar City Dnepropetrovsk Tel (966) 3.8993145 Tel (38) 056.7904301 [email protected] [email protected] UAE CZECH REPUBLIC Danieli Service Center, Abu Dhabi THE RELIABLE Danieli Service Center, Prague Tel (971) 0.6749619 AND INNOVATIVE PARTNER Tel (420) 221.594362 [email protected]

IN THE METALS INDUSTRY DS-GE-105-0421-1.5-01-EN / Copyright © Danieli & C. S.p.A. - All rights reserved