Bertsch Hydraulic Angle Rolls

Angle Roll Specifications

Machine Design

The Bertsch Double Pinch design reduces end flats to a minimum. The top roll is in a fixed position, while the two lower rolls have independent hydraulic adjustments. This design provides ease of operator control as well as more uniform rolling results.

Vertical or Horizontal Working Position

The Bertsch Angle Roll can be designed to work equally well in the vertical or horizontal position.

Hydraulic Drive

All three rolls are driven by planetary speed reducers for positive feed and efficient torque transmission. Bertsch Angle Rolls are designed with a self speed compensating drive for proper roll rotation between the top and lower rolls.

Hydraulically Adjustable Guide Rollers

The hardened guide rollers are hydraulically adjustable from the operator's control pendant. Each guide roll assembly is provided with a "leg-in" attachment.

Operator's Control Pendant

All essential operator functions are located in a "walk-around" pendant type control for maximum mobility.

Standard Dies Furnished

One complete set of standard dies is furnished with each machine. Each die set is supplied with one hardened spacer to provide support for the tip of the vertical leg being formed. Standard dies will accept: flat bar, bar-on-edge, square bar, angle leg-in, angle leg-out, "T" leg-in, "T" leg-out, and "T" on web.

Standard Features

Vertical or horizontal working position
All three rolls driven
Double pinch design
Two lower rolls are independently adjustable
Energy efficient "load sensing" hydraulic pump
Mechanical pointer and scale indicator for each adjustable lower roll (digital readouts optional)
Operator's "walk-around" pendant control station
Hardened steel guide rollers
Pressure filter
Set of standard dies
Heavy fabricated frame
Complete with electrical disconnect

Standard Safety Features

Electric cabinet having door interlocked with fusible type disconnect
Power "on" button at control station with built-in light
Line starter with thermal overload and low voltage protection
A system pressure relief valve limiting the hydraulic drive and bending rolls to a factory preset pressure
Reduced voltage electrical controls
Emergency "stop" buttons mounted on both sides of the machine and in the operator's control station
Toggle type switches, having spring return to "off" position, for controlling all the operating functions of the machine

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