Work Rolls,backup Rolls Back Rolls,Work Rolls,drive rolls,stretch leveler rolls work Roll manufacturer, Cold Rolling Mill work Rolls
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Dee Tee Industries Ltd. manufacture & supplier  of international quality ROLLING MILL WORK ROLL FPR , Sendzimir Mill Rolls, Work Rolls for Skin Pass Rolls ,

It is a manufacturer of  widest range of WORK ROLLS used for Rolling Mill of different dimensions and strength as per the custom requirement of the client. some more specification of the rolling mill work rolls are 2 Hi Mill work Roll, 4 Hi Mill work Roll , 6 Hi Mill work Roll , 2nd Intermediate roll ,20 Hi Mill Roll ,20 Hi Work Roll  



 
 flattner rolls,leveller rolls,Skin pass roll, skin pass rolls,Cold Rolling Mill Rolls, Hot Rolling Mill Rolls Manufacturer
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Manufacturer of Cold Rolling Mill Rolls, Manufacturer Of Flatner Rolls,sendzimir rolling mill rolls,work rolls, back up rolls

The Work rolls are manufactured of particularly high-quality alloyed steels. They are distinguished by high hardness for the depth up to 45 mm that ensures an improved durability under severe conditions of high-speed rolling which is accompanied by heat shocks in operation. Manufacturer of Work rolls for rolling Mill like  2 Hi Mill Roll ,4 Hi Mill Roll ,6 Hi Mill Roll ,d2 1.2379 Mill Roll,  2nd Intermediate roll ,20 Hi Mill Roll, Leveler Rolls, Sendzimir Mill Rolls, Backup Rolls ,Skin Pass Rolls , Drive Rolls ,Stretch Leveler Rolls. Rolls manufactured are of Prime Quality and under go all Quality test parameters.

CLICK HERE FOR MANUFACTURER OF WORK  ROLL FOR ROLLING ROLL
 

WORK ROLLS FOR ROLLING

Metal Processing Rolls manufacturer,flattner rolls manufacturer,leveller rolls manufacturer,work rolls,work roll for rolling mill#1 A rolling mill work roll assembly comprising a hollow shaft member which is coaxially secured to or formed integrally with a work roll drive shaft and which extends coaxially in a bore of a work roll, said work roll including an annular member formed to define a rolling groove or surface of the work roll, said shaft member having a first end face and an axial hollow in said shaft member open at one end onto said first end face and closed at the other end, said closed end of said hollow constituting a first reaction surface, means integral with the shaft member adjacent said open end of said hollow to provide a second reaction surface, whereby said hollow shaft member is adapted to be axially stretched by load applying means acting on and between said first and said second reaction surfaces to cause sufficient diametrical reduction of said hollow shaft to permit insertion and removal thereof into and from its assembled position in said work roll bore, said shaft member when not so stretched having a diameter too large to permit such insertion and removal, said shaft member thereby exerting both radial loading outwardly on said work roll and axially compressive loading between the axially opposite end faces of the work roll, whereby to provide respectively radial and circumferential location and longitudinal location of said work roll with respect to said hollow shaft member.

 

#2. An assembly as in point 1 wherein said work roll comprises at least two sleeve members disposed on said hollow shaft member one at each side of said annular member in engagement therewith and exerting axial loading thereon.

#3. An assembly as in point 2 wherein the interfaces of the annular member and the sleeve members are provided with mutual keying means, whereby to ensure the members rotate together under high torque loading.

#4. An assembly as in point 1 wherein said hollow shaft member has a portion presenting a radial surface and said work roll has a radial end face, said radial surface exerting axial loading on said radial end face of the work roll.

#5. An assembly as in point1 wherein said hollow shaft member has an externally threaded portion, and wherein a nut is provided in said threaded portion to exert loading on a radial end face of the work roll.

CONTACT  MANUFACTURER OF WORK ROLLS FOR ROLLING MILL

 
 
WORK ROLLS FOR ROLLING MILL MANUFACTURED AT DEE TEE INDUSTRIES ARE OF HIGH QUALITY DUE TO FOLLOWING
  • Specifications of every forging are documented to initiate the manufacturing cycle.
  • Ultrasonic testing verifies the physical integrity of each forging.
  • Heat treating processes are monitored and controlled by computers according to a predetermined model.
  • Quenching occurs at the precise moment to achieve the desired properties to fit.
  • Finish machining assures conformity to consumer blueprints.
  • After a second ultrasonic test, rolls are finish ground to specification and eddy current tested.
  • A final dimensional inspection verifies adherence to customer blueprints.
  • Each approved mill roll is marked with deep, white serial numbers for easy identification.

FORGED ROLLS FOR ROLLING MILLS

MANUFACTURE & SUPPLIER WORK ROLLS ITS OVER VIEW  By DeeTee Industries Ltd

forged work roll supplierDee Tee Industries is known throughout the India  as a leading supplier of high quality forged steel work rolls for flat rolling cold tandem, temper mills, skin pass mill, sendzimir mills .

Dee Tee Industries makes work rolls in the range of 12" to 28" body diameter and 20" to 100" body length.

Dee Tee Industries uses only the highest quality vacuum degassed clean steel, properly forged to meet the strictest ultrasonic testing standards in the roll industry. the use of standard material grade containing 3 percent chromium and .5 percent molybdenum is widely used and accepted as a standard forged work roll grade.

Beginning with the highest quality forging, Xtek applies its unique Hi Gradient Heat Treatment to achieve the microstructure needed for high performance in the rolling mill.


CONTACT  MANUFACTURER OF WORK ROLLS FOR ROLLING MILL

ROLLS FOR  SKIN PASS  ROLLING MILLS

USAGE  OF WORK ROLL FOR OPTIMUM LIFE IN ROLLING MILLS  By DeeTee Industries Ltd

Cold rolling mill work rolls are used for cold rolling ferrous and non ferrous metals in cold rolling mills which have forged work roll,regrinding work rollhardened work roll body and are sensitive to temperature and over heating are extremely high. Work rolls should always be used carefully. Work Roll should be cleaned by removing all dust particles and also care should be take that work rolls are is to be cleaned so that it is rust preventive. The hardness of the work Roll should be checked along and across the work roll used which should be in the range of 2 HRC(MAX) in a single work roll. Between the pair of work roll the hardness difference should be within 1 HRC.

During the rolling operation micro cracks may appear on the surface of WORK ROLLS which are mostly forged work roll,regrinding work rolldue to work hardening or due to faults which is due to slipping of the metal which is being rolled, doubling up or folds in the strip or dues to electric faults causing abrupt stoppage of the rolling mill. These defects may lead to sudden local over heating or the hardened surface of the work roll body which can result in spalling in the work roll. Use of sufficient quantity of persistent coolant is always advisable to over over heating of work rolls and attain high life of the work roll used in the rolling mill.


While REGRINDING WORK ROLLS minimum 0.25 mm material should be removed to clear work hardened layer and forged work roll,regrinding work rollminor cracks from the surface. Then work roll should undergo testing with 3% solution of nitric acid in alcohol called as Nital.The surface of the work roll should be properly cleaned with alcohol, clean and dry surface should be subjected to 3% solution of nitric acid into alcohol. Dark color appears on work roll within second on over heating, such work rolls should be again reground before use to removed overheated area. Once WORK ROLL is taken out from rolling mill it is hot and it should be naturally cooled before regrinding and similarly work rolls get hot while regrinding . The work rolls should be cooled for nearly 12 hrs before putting in service again

 
 
CONTACT  MANUFACTURER OF WORK ROLLS FOR ROLLING MILL
 

BACKUP  ROLLS FOR ROLLING MILLS

 


Contact Us or Send Your Business Query
Dee Tee Industries Ltd.
Contact Person : Mr. Tamkeen Khan (Senior Marketing Manager)
Address : 28/33, Pologround Industrial Estate,
Indore -452 015, Madhya Pradesh INDIA
Phone no : +(91)-(731)-2422101-106
Fax : +(91)-(731)-2422108

 

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