Ring Rolling Machine Kalltek

Ring rolling dia : 6000 mm,

Outside dia of finished ring : 1200~6000 mm,

Height of finished of ring blank for : 80~1000 mm,

Mandrel dia : 300 mm,

Heght of ring blank : Max. 1050 mm,

Ratio of wall thickness to height : Max. approx. 3 :1,

Ring weight : Max. approx. 12 tons,

Horizontal Stand :

Rolling force : Max. 300 tons,

Main roll dia : 1200 mm,

No. of revolution of main roll : Max. 30 rpm,

Rolling speed : Max. approx. 1.7 m/sec,

Horizontal stroke of mandrel : 1000 mm,

Vertical Stand :

Rolling force : Max. 250 tons,

Length of taper rolls theoretical stand : 1400 mm,

Taper cone angle : 35 degrees,

Horizontal stroke of vertical stand : 5400 mm,

Vertical stroke of upper taper roll : 1050 mm,

Max. distance between the taper rolls : 1120 mm,

Driving Unit of Main roll :

Driving Motor (DC-Electro motor)

-Nominal power : 710 kw,

-Armature voltage : 570 V,

Driving gear reducer:

-Nominal power : 710 kw,

-Output speed at Input 1200 rpm : 30 rpm,

Driving Unit of Taper roll :

Driving Motor (DC-Electro motor)

-Nominal power : 710 kw,

-Armature voltage : 570 V,

Driving gear reducer :

-Nominal power : 710 kw,

-Output speed at Input 1200 rpm : 150 rpm,

Driving Motor for Hydraulic Pumps :

Ac-Electro-motor for main pump :

-Nominal power : 90 kw, 4 sets,

-Nominal speed : 1150 rpm,

Ac-Electro-motor for Oil Cooler :

-Nominal power : 3.7 kw, 2 sets,

-Nominal speed : 1750 rpm,

Hydraulic Pumps :

Main Pump : A4V-180, 4sets,

Delivery : 720 I/min,

Pump for Oil Cooler : PVV2-055, 2sets,

Operation Pressure : 210 kg/cm2,

for lubrication of the moveable machine components: Grease Pump : 2 sets,

The roll tools are cooled by water: Pressure : 0.2 kg/cm2,

Electric Equipment :

-Power Supply Unit

-Control Desk

-Control Cabinet

Control and Operation Function :

-Control functions are realized in the PLC

-Operation for the rolling passes Pressure control

Actual Value Display for the Ring :

-Ring O. D.

-Ring I. D. (Calculated)

-Ring wall Thickness

-Ring Height

Selection of the Final Diameter :

-Ring O. D.

-Ring I. D.