Bertsch Plate Roll, Model 20-138" 4R

Bertsch Plate Roll

Asset #15709J

Serial #M-10986

Year: 2006

Standard Features:

• Pinch roll and side rolls adjusted by direct acting hydraulic cylinders


• Top roll counterbalance action by hydraulic cylinder


• Electronic leveling system ensuring parallelism of both side rolls and allowing individual tilt control in either direction


• Each side roll hydraulic system provides sufficient power to prebend up to the full rated capacity plate


• Independent high efficiency planetary gear reduction units directly coupled to the top and pinch roll forgings


• Spherical, anti-friction, roller bearings provided for all roll forging journals


• Four digital readouts, one for each side roll and two for pinch roll


• Automatic self-locking hinge actuated by hydraulic cylinder


• Operator controls and digital readouts are located on a central console


• Emergency stop button located on pendant, and emergency stop cable located on the front and rear of machine


• Structural steel, all welded base construction


• Electrical disconnect with lock-out feature for operator safety

Maximum Length - 140"

Top Roll Diameter - 22"

Pinch Roll Diameter - 22"

Side Roll Diameter - 18"

Motor - 75 HP

Rolling Speed - 14 fpm

PREBENDING AND ROLLING CAPACITIES

Category 1 Steels

(maximum tensile of 45,000 psi and maximum yield of 30,000 psi)

1.688" x 138" to a diameter of 28"

1.297" x 138" to a diameter of 23.6"

Category 2 Steels

(maximum tensile of 53,000 psi and maximum yield of 35,000 psi)

1.547" x 138" to a diameter of 29.2"

1.188" x 138" to a diameter of 23.8"

Category 3 Steels

(maximum tensile of 73,000 psi and maximum yield of 49,000 psi)

1.422" x 138" to a diameter of 30.5"

1.094" x 138" to a diameter of 24"

Category 4 Steels

(maximum tensile of 100,000 psi and maximum yield of 65,000 psi)

1.313" x 138" to a diameter of 32"

1.000" x 138" to a diameter of 24.3"