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Composite cemented carbide rollers for hot rolling rods and ribbed steel bars

XT MILL ROLLS NORTH AMERICA

1.Guide rollers of various specification can be made as per customers' drawings.
2.Customers can select materials for their guide rollers.

XT MILL ROLLS NORTH AMERICA
XT MILL ROLLS NORTH AMERICA Composite cemented carbide rollers for hot rolling rods and ribbed steel bars

Installed on the front stands of machines for rolling rebars and rods, composite roll rings can substantially reduce the times of groove changes and roll changes, reduce labor intensity, increase productivity, improve surface quality and yield of rolled material, thus achieving outstanding economic benefits.

  • Special cemented carbide grades YGR60 are used for hot rolling bars and rebars.
  • With hydraulic nuts locking devices and in-feed of oil with a pressure of 100-200MPa,the hydraulic nuts create an axial prtightening force of 500-1500KN and fasten the cemented carbide rollers to the shafts. The devices are practical in use and reliable and they can insure higher performances of composite cemented carbide rollers under the protection of a proper preload stress.
  • Various cemented carbide rollers are available with diameters of 300-4500mm and thicknesses of 30-150mm for bar reducing and sizing machines.
  • Various composite cemented carbide rollers for hot rolling bars and rebars.
  • Service is to be available for the design, groove machining and rib notching of composite cemented carbide roll rings.
  • Various compatible tools can be provided for machining composite cemented carbide rollers.

XT MILL ROLLS NORTH AMERICA Cemented carbide roll rings for hot rolling of seamless steel tubes

The lifetime of cemented carbide roll rings is 50-80 times that of conventional cast iron roll rings when they are used at tension tube reducing machines for hot rolling of seamless steel tubes, and the surface quality and dimensional precision is substantially improved. Based on the conditions of tension tube reducing machines (rolling force, speed, tube diameter) what is recommended is the use of either integrated roll rings or composite roll rings, achieving a good performance-price ratio. Optional cemented carbide grades: YGR55 YGR60.

The main performances of three dimensional carbide rolls for cold rolling ribbed steel bars

XT MILL ROLLS NORTH AMERICA

Note:
1.The grooves of the roll rings can be designed and manufactured according to GB13788-2000 standard and also can be designed based on customers' requirements and marked in a special way.
2.We can supply compatible tool steel systems to customers for assisting in modifying their mills and rolling process.

Finished Carbide Roll Rings

XT MILL ROLLS NORTH AMERICA
Dimensions and precision of finished carbide roll rings

XT MILL ROLLS NORTH AMERICA

















Note: We can supply according to the drawings provided by customers. The allowable deviation in extemal diameter, internal diameter and height is to be determined based on customers' needs.



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