Stanat Model TA-215 2-Hi/4-Hi rolling mill with reversing winders consisting of the following: The existing mill frame will be completely stripped and painted All bearings and seals will be checked for wear and replaced as needed A new mill drive with controls will be provided including a 5 HP inverter duty variable speed motor
A brief history of metal rolling for , - Innoval Technology
However, more efficient electric motor technology slowly replaced steam power in the twentieth century Interestingly, we have our own connection with eighteenth century metal rolling here at Innoval Dr Tom Farley‘s great grandfather, Reuben Farley, started a company in 1861 which manufactured rolling mills and rolls in West Bromwich, UK .
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Induction Motor - Rolling Mill Motor Service Service ,
Rolling Mill Motor and Drives supply, repair and Maintenance Services We offer: Authorized repair facility for many brands of servo motors , servo drives, VFD, Robotic controllers, Component level Repair for High Value Electronics circuit Repair Servic Asset Management ,Aftermarket service contract
We reconsider the rolling mill as presented in fig 19-19 and to the right of fig 1923 Controlling bridge A as rectifier allows the motor to rotate clockwise Bridge B as inverter allows the machine to brake (still in a clockwise direction!) until it is at stand still
Our rugged high voltage IEC synchronous motors are used in a wide variety of applications, which call for the highest power and torques capabilities, as well as a maximum plant availability In applications such as central gas compressor stations, blast furnaces, rolling mills or ore mills
Rolling Mill Motor - Rolling Mill Duty Motor Wholesale ,
Long product rolling mills are one of the most demanding applications for motor driv The rolling process consists of passing a hot steel billet through a "rolling mill", also called a "rolling train" , Each rolling stand consists of a top and a bottom roll, driven through a gearbox by an electric motor
Rolling Mill Drives, Mill Pinions Combined Reduction ,
Rolling Mill Driv David Brown Santasalo has extensive experience in the design and manufacture of primary drives for pinion stands, for both hot and cold rolling mills and for new and existing applications We can offer total design flexibility, tailoring each gearbox to a specific application
A tandem mill is a special type of modern rolling mill where rolling is done in one pass In a traditional rolling mill rolling is done in several passes, but in tandem mill there are several stands (>=2 stands) and reductions take place successively The number of stands ranges from 2 to 18
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Different models of Raymond mill powder electromechanical model number is different also, take-off Raymond mill machine structure is mainly composed of host, analysis machine, blower, finished product cyclone separator, plumbing, electrical, etc The main engine consists of frame, air inlet and volute, spatula, grinding ring, shell and motor
3 Duties of induction motors - Electrical Engineering Book
Duties of induction motors 3/63 Duties of induction motors3/65 31 Duty cycles Unless otherwise specified, the rating of the motor will , Likely applications are hoists, cranes and rolling mills Figure 34 Intermittent periodic duty with starting, S 4 Amb temp (q = 0) C M R One cycle Load Starting losses No load losses DN R Load T ature .
Alibaba offers 3,961 motor for rolling mill products About 15% of these are dc motor, 13% are ac motor, and 1% are gearbox A wide variety of motor for rolling mill options are available to you, such as free samples, paid sampl
4-High Rolling Mills - Steel Machinery | American Steel
Tags Rolling Mills; 4-High Rolling Mills Four-high rolling mills can be put in tandem, two to seven stands, instead of a reversing mill They can be equipped with load cells to tell the separating force and hydraulic or mechanical screw downs, depending if it is hot or cold rolling
Retrofitted a motor to a rolling mill? - Ganoksin Orchid
increase torque from your motor to mill then you have to build a pulley set up to attach in place of your hand crank Actually, it's not that hard A high horsepower, probably 1 or 1 1/2 hp motor with a chain drive gear, and a gear on your rolling mill where the handle goes will work A belt and pulley would not work very well, if at all A .
Types of Rolling mills Rolling mills may be classified according to the number and arrangement of the rolls (a): Two high rolling mills (b): Three high rolling mills , Since the rolls run in one direction only a much less powerful motor and transmission system is required The rolls of a three high rolling mills may be either plain or .
Rolling Mill Engines - Page 5 - practicalmachinist
Sep 22, 2009· Engine for a reversing plate mill I don’t know who made it, or where it was, but it would be hard to find a better cared-for engine, or a posher rolling mill engine house, with its wood panelling and glazed til I think the date on the cylinder covers is 1878 Presumably the old open-flame gas lights date from then, as well
Maintenance for productivity Rolling models - ABB Group
Inline and continuous rolling mills Reversing and non-reversing Reduction, skin-pass, double cold reduction (DCR) and foil rolling Steel, stainless, aluminium, copper , required motor power of all passes or stands This can be achieved by changing the reduction or the tension distribution
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Drive solutions for steel and rolling mills – for the toughest demands Drives in steel and rolling mills are exposed to extremely hard demands Glowing steel, alternating operational modes and overloads spell out a high level of electrical and mechanical strain that calls for very sturdy designs
Rolling mill DC motors are best at low speed, high torque applications, while AC motors typically need to run above 800rpm to be cost effective Also the case for higher efficiency of AC motors is many times negated by the wasteful braking methods of some AC drive systems
Nov 09, 2017· I can easily get 1/16" reduction per pass (I've taken double, but I can tell it's working the motor), when I'm in the say 0300-0750 range (I don't use the rolling mill above this thickness, and my rollers will only separate about 1"), but I go to about half that ,
Siemens milestones in the area of drive technology for rolling mill motors The power of innovation for rolling mills for more than 100 years 1897: The first drive with DC motor for a trio rolling mill, Dillinger Hütte 1907: The first Siemens rolling mill motor with rolling mill with DC motor and Ilgner converter is used for a blooming mill be-
12 Basic Motor Types Used For Industrial Electric Drives | EEP
4 Three-phase Synchronous Motor Because its speed remains constant under varying loads, 3-phase synchronous motor is used for driving continuously operating equipment at constant speed such as ammonia and air compressors, motor generator sets, continuous rolling mills,
What guarantees the highest product quality in rolling mills?
At home in rolling mills around the world Our rolling-mill motors are used in almost every rolling mill around the globe – whether as drives for all hot and cold rolling mills or as drives for plate stands with the highest torque ratings world-wide These powerful motors also prove their reliability in section and rod mills
Jan 30, 2007· I highly recommend George Watkins "The Steam Engine in Industry" volume 2 - there is a wide array of UK engines from steel making found there, those used for blowing, reversing rolling mill, continuous rolling, sheet and tin plate rolling (hot and cold), wrought iron rolling, plus the more specialist engines for tyre making etc