2 1/4" x 10' Bertsch #30 Combination Drive Heavy Duty Initial Pinch Plate Roll (1978)

Bertsch 2 1/4" x 10' Combination Drive Heavy Duty Initial Pinch Plate Roll
Classification: Plate Bending Roll
Model: #30
Specifications and Equipment
Nominal rated capacity: 2 1/4" (in mild steel)
Overall length of rolls: 120"
Diameter of upper roll: 26" diameter grade 1045 assembly
Diameter of lower roll: 26" diameter grade 1045 assembly
Interchangeable top roll idler arrangement: 12" - 26" diameter
Top and bottom Roll daylight: 8"
Main Motor Drive: 125 HP
Hyd Cylinder System: 7.5 HP (dual cylinder type)
Features
Hydraulic drop end
Special automatic self-centering-unlocking drop hinge action and top roll
pull down hinge bearing with toggle type hinge lock
Digital type Durant position indicator for rear roll
Cast steel frames and drop hinge
Front/rear emergency stop tension cables
First and second set of gears in main, plate feeding power system
arranged for fully enclosed gear box for 60 HP rear roll adjustment motor
providing 3.1 ipm or 8.8 ipm adj of rear roll controlled by fast/slow
select at control, and with oil pump for oil circulation to each worm
pocket.
Arranged for power adjustment to lower front pinch roll with two 25'/lb
special gear motor units, each complete with Selsyn-Durant position system