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4 ROLL DOUBLE PINCH PLATE ROLLS
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Built Tough For

Longer Machine Life

VBH Series

Manufacturing Range: 

1' to 26' Long - .05" to 12" thick

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Shown with Optional

"STRADIVARI"

3D CNC Controls

Q-SERIES

Hydraulic & Mechanical

20GA to 5/16" Capacities

Carell Plate Rolls are built tough for longer machine life and designed to minimize maintenance. Our plate rolls are available in over 60 sizes with capacities from 20 gauge to 12 inches. Carell's range of standard models provides unmatched flexibility and coverage of most any plate rolling requirement. They can be built to handle a wide range of specific rolling requirements that includes shorter or longer lengths from 20 inches to 24 feet, custom roll cambers, slotted rolls for plate with flanges-lips-ribs, patterns for corrugated material, vertical rolling applications and more!

 
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VBH Series  Full Hydraulic 4 Roll Plate Roll
Manufacturing Range: 1' to 26' Long - 20 GA to 12" thick

VBH Overview
Almost a century of forming experience and cooperation with our customers is incorporated in our VBH 4-roll plate bending rolls. The VBH is the best machine for both, cylindrical and conical bending. The main features of our VBH rolls are the greater bottom roller pinching force (for short flat ends and optimum pre-bending)  and the higher drive torque (for single pass process) to boost productivity. A winning combination for those looking for performance of the highest level

Productivity -  Efficiency 

The  VBH Series plate rolls: flexible, versatile, powerful and efficient More productivity and high efficiency come standard

Best process control

Infinitely variable speeds,Infinitely variable pinching pressure Calibration working mode

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With the VBH Series we exceed your expectations.

How do we exceed your expectations?  It’s simple: The all-new VBH Series was created from the belief that every feature, every innovation, must be focused on helping you grow your bottom line.  This led our engineers to design the next generation of plate rolls, concentrating on four key areas of machine performance:

STRENGTH: Linear sliding guides and multiple bearing rolls support system.

POWER: High torque reduction unit for reduced number of rolling passes.

PRECISION: Digital control of the roll parallelism with proportional valves.

CONTROLS:

Infinitely variable roll adjustment speeds, Infinitely variable central lower roll pinching pressure, shell calibration working modes, extended i-diagnostic system... are only some of the features that you can control directly from the operator mobile panel, just moving a finger.

 
 
 

Discover The Exclusive Features Of The VBH Series!

VBH Features

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1 • Full frame design for maximum rigidity and precision

2 • Machine frame with linear guides for roll sliding

3 • Heavy-duty multi-bearing system with 4 spherical roller

     bearings for each roll

4 • Sliding support with high resistance antifriction material,

     maintenance freel

5 • Rigid frame construction without force transmitted

     to foundation

6 • Rolls made of high resistance steel forgings, with large

     diameter and light cambering

7 • Digital control of the rolls parallelism with proportional

     valves. Precision 0.1 mm (0.004”)

 8 • Heavy-duty and rigid frame design for maximum        

       resistance for cone rolling

 9 • Heavy-duty turning bearing support, with four

       anti-deflection points for maximum rigidity

10 • Infinitely variable pinching pressure of the central

        lower roll with digital pressure gauge

11 • Centralized control panel, light weight design for

        easy handling

12 • Wired with light-cables against electromagnetic

        interference

13 • Instantaneous brakes for rolls rotation for maximum

        safety factor

14 • Fully hydraulic drive of top and lower rolls with

        automatic speed compensation

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The Powerful and Reliable Choice 

Full Frame Extended Design

Parmigiani plate rolls have the most heavily sized frame you can find in the market. Unlikely slim frames covered with thin thickness plates that you can find on all machines in the market, makes our frame design look definitively oversized.The exclusive full frame design withstands all bending forces and guarantees stiffness and performance throughout years of service.This unique machine frame, with extended design for added rigidity and strength, are welded fabrication. After welding all frames are stress relieved and then machined on CNC milling machines

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Get more with our linear guides ALG System 

(Anti-friction Linear Guides)

• No friction - less than swing design

• Direct load to the plate

• Less vertical power on top roll

• Lower bending diameter

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The linear guide design is the only system that can grant the necessary machine stiffness and the perfect geometry for all kind of bending operations. The linear design allows a compact geometry of the machine ("minimum centerline distance between the two side rolls", impossible to obtain with the swinging design) that is essential for bending precision and accuracy. The linear design allows you to work in the best and ideal geometrical conditions when rolling high yield strength materials, reducing the shell spring back reopening effect and obtain a much smaller bending diameter when compared with the swinging design

• Heavy Duty HMB Exclusive Design

• Supports Cone Rolling

• Permanent Lubrication

Built for Heavy Work HMB System 

Heavy Multiple Bearings

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More power - More torque  HTT System

(High transmitted torque)

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The rolls driving is realized by independent hydraulic motors via planetary gear transmission directly coupled to each driven roll. The independent rolls hydraulic drive assures and automatic speed compensation between the top and lower rolls and an optimal distribution of the torque on each roll during the working phase. The HTT system allows the best plate feeding and the highest driving torque of any competitive machine. A winning combination for those looking for performance of the highest level.

Each bending roll is supported by 4 heavy-duty self-aligning spherical roller bearings (double raw type). Each bearing is oversized in order to withstand the whole bending load. Thanks to the HMB exclusive design, with four oversized bearings fitted into a swiveling housing, the roll can freely deflects along it’s full width during the rolling process. This guarantees an optimal distribution of the load on the supports even during the cone rolling process and increases the machine's reliability and life. Moreover, the multi bearing system with swiveling housing design greatly reduces the maintenance and the need for lubrication (permanent lubrication).

Friction free - Maintenance free  AST System

Anti-friction sliding technology

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Each Rolls support is machined with anti-friction material in the sliding area. This system drastically reduces the maintenance and sliding friction, less than in a planetary machine.

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VBH Technology

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Active Extended Diagnostic

Everything is under control
Are you loosing production hours and days checking around the machine for which connection wire, PLC card, push-button or fuse are faulty?…


Forget these kind of problems with PARMIGIANI's
i-Diagnostic system for immediate fault detection.
The i-Diagnostic is a revolutionary diagnostic system that supervises all the main functions of the machine, with an easy to use and intuitive control panel interface.
From the touch-screen you can control almost all electrical connections around the machine; all PLC modules; all micro-switches (You can check also if they are engaged /energized or not) and more....i-Diagnostic: a revolution in customer support.

Instantaneous fault detection instead of troubleshooting 
Detailed information on type and location of the fault

 
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The PPS is the most advanced parallelism system available on the market today.
The rolls parallelism in a plate bending machine is a key factor for production accuracy.
The capability to maintain precision over years of performance is also another critical point. For this reason we employ the best of today's available technology with digital control systems and hydraulic flow control via proportional valves.
We have designed a system resistant to wear that will give you years and years of trouble free performance, keeping the machine positioning precision just like your first day of operation!
The top and bottoms rolls parallelism is fully controlled by a digital “high speed” FIELD BUS system.
The package includes a set of hydraulic proportional valves with high performance digital control cards, matching  the high speed of the FIELD BUS system.
This digital technology (the loop control is 20 times faster than PLC-based electronic controls) joined with the hydraulic proportional valves, provides a parallelism precision of about 0.1 mm.

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Parallelism System

Digital control technology with hydraulic proportional valves
Parallelism precision 0.1 mm

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Plug and play technology

Do It by yourself
"Assemble and plug in – that’s all!"
Quick and simple plug connections replace elaborate wiring.
• Avoids wiring errors
• Shortens start-up time
• Quick swapping of cables

The wiring of the machine is achieved by Plug and Play  connectors and digital distributors.
The cabling system with connectors is more reliable over time, resistant to environmental contamination and vibration and allows for quick and easy maintenance.
 
With our FACILE® Plug and Play system you can change a wiring connection (to the hydraulic valves or the encoders or potentiometers, to a micro-switch etc…)  with pin plug connector, without unscrewing any electrical wire.
Same procedure for all PLC modules! Without the need of a skilled electrician!
 
With the purpose of increasing your independence from third parties all software are loaded in static memory cards, (like the ones used in digital video cameras) and not in volatile Eprom!  This means that you will almost never lose the software, even when you need to change the PLC unit.
Our plug-play system is a military approved technology!

Digital control technology with hydraulic proportional valves
Parallelism precision 0.1 mm

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Advanced Wiring System

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VBH Controls

Everything is under control
Dedicated controls from PARMIGIANI for plate rolling cover an entire range of applications.
All software is developed in-house by Parmigiani technicians with great experience in plate rolling. From the simple, compact DIGIMATIC control to the STRADIVARI (unlimited number of axis) there's a PARMIGIANI control for nearly every application.

 

Parmigiani NC and CNC controls are
100% in house developed
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Controls are an essential requirement for executing precision rolling applications. Select the "SAVE&BEND" with its 10.4” display or the "FAST" with a 15” display or the "STRADIVARI" with a 19" display. Our controls function just like a tablet with touch-screens: navigating through the options is simplified via menus, shortcuts and with context-sensitive help.

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DIGIMATIC

  • 7” full color display, touch – screen

  • N° 6 digital read-outs, for Central Lower  and  Side rolls. With 2 digital read-outs for each bending roll. The operator can read exactly the inclination of the roll during conical bending.

  • N° 1 digital read-outs, for Central Lower roll pinching pressure

  • 7 Controlled Axis

  • It’s possible to create different programs, saving the pinching pressure of the lower roll and the positions of Lower and Side rolls for the automatic positioning (step by step)

  • Storage Memory Capacity: up to 500 programs of 26 steps each.

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SAVE & BEND

  • PARMIGIANI “SAVE & BEND”: NC Control type
    This is an entry level NC with 9 controlled axis,  for fully automatic working mode.

  • 10.4” color display, touch–screen

  • 9 Controlled Axis (can be upgraded up to 16 axis)

  • Two methods of programming: Editing and Play-back modes

  • Storage Memory Capacity: up to 1000 programs of 50 steps each.

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FAST

  • PARMIGIANI “FAST”: CNC Control type 
    with Automatic program mode for single radius shapes: the control automatically creates the complete bending program, simply entering the shell data (radius, thickness, width, type of material), with all the sequence for obtaining the required shape. If necessary the program theoretically calculated by the control can be optimized by the operator.

  • 15” full color display, touch – screen

  • 9 Controlled Axis
    (unlimited upgradeable number of axis)

  • Three methods of programming:
    Aided, Editing and Play-back modes

  • Storage Memory Capacity: up to 5000 programs.

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STRADIVARI

WITH 3D ROLLCAD

®

Discover the most advanced 3-D CNC

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Advanced Hydraulic System 

Infinitely variable adjusting speeds
Infinitely variable bending pressure

The hydraulic system is the operative core of your VBH: it runs everything from the bending rolls drive to the bending rolls movement, tilting and all other machine attachments.
 
This is why we invested a lot in research and development to give you a smooth, precise and highly responsive system.
 
Through digital controls the system is managed by dedicated hydraulic proportional valves (pressure and flow) that allows you to select the most convenient speed during each production step (vs. other brands machines that give you only one or two selectable speeds) and the maximum central lower roll pinching force in order to adapt it  to the characteristics of the plate being worked.
 
The possibility to select low pressures for thin plates widely extends the range of the machine.
 
With infinitely variable pressure and speed adjustment the operator will have full control of the process in any bending situation.

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VBH Options

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Great Options and Accessories

Our Parmigiani VBH has a standard package of features that usually are not available even as options in other machines (like our FACILE, 
i-Diagnostic, calibration working mode, Servo-dynamic Active Control with infinitely variable positioning speeds of the bending rolls and active pressure control of the lower roll...)  our R & D department has designed a wide range of accessories for special bending applications, like the Hydraulic cambering device for central lower roll with variable intensity for working with thin and long plates, gantry loaders, unloading devices etc. in order to increase productivity and quality of finish for special materials.