Pyramid-style, three-roll bending machine for sections and tubes: adjustable upper roll, stationary lower rolls.
Common Characteristics
FUNCTIONAL SPECIFICATIONS
Three driving rolls
Upper bending roll with hydraulic adjustment
Bi-directional adjustable lateral guide rolls
Controls actuated via remote free-standing console
Horizontal-vertical working position combination
Electronic programmable position controller
CONSTRUCTION SPECIFICATIONS
Roll shafts of Nickel Chromium Molybdenum alloyed steel, induction hardened to hardness 62-64 HRC and ground, with journals in high dynamic load roller bearings
Modular bending rolls heat treated to hardness 60 HRC to insure long wear resistance
Shaft coupling with gearbox through involute spline
Each roll shaft individually driven by AC motor and gearbox
All drive parts are sealed with no ordinary lubrication or maintenance required
Hydraulic unit enclosed in the machine frame, protected by overload relief valves
Check valves on hydraulic cylinder to insure constant roll position under load
Remote controls at low voltage on a free standing console, including:
Push buttons for forward/reverse roll rotation and adjustment of the bending roll
Electronic programmable positioning device for consistent automatic repositioning of the bending roll
Emergency stop palm button
Technical Data
| Parameter | Value |
|---|
| Diameter of shafts (upper/lower) | 80/75
mm |
| Diameter of standard rolls | 245
mm |
| Profile feeding speed | 0-4
m/min |
| Power output | 8.5
kW |
| Weight | 1950
kg |