Web AOC Shear Control

Unico’s Smart Web AOC Shear Drive can be used alone or as part of a multidrive corrugator dry-end system. The drive controls the shear during the automatic-order change (AOC) sequence and scrap chop-out. The drive uses the same control algorithm as the Unico rotary cut-off knife drives and is superior to typical drive packages. The key features of our web AOC shear control system are chop-out after line stop, chop-out wet-end scrap, scrap reject gate control, scrap jam prevention, automatic reference, and many others. 

We can also develop a custom Unico product to cater to your needs, with our team on standby for you if you run into a problem.

Features

Communication Protocols

The drive supports a variety of serial communication protocols for connecting to virtually any PLC or HMI. The drive can also operate in a stand-alone mode using the built-in keypad/display with an ANSI protocol connection to a simple serial display unit.

  • CANopen
  • CC-Link
  • ControlNet
  • DeviceNet
  • Ethernet
  • Interbus
  • Modbus Plus
  • Modbus RTU
  • Profibus
  • Remote I/O†
  • RS-232/422/485

†Supported only by the 2000 family platform

Inputs & Outputs

All inputs and outputs are user-enabled and are mapped to hardware I/O points to allow customization of the control. They are also accessible through a high-speed serial communication link.

Inputs Outputs
motor on request motor on
fast stop no fault
automatic reject gate close
continuous cut reject gate open
single cut sheer cutting
jog forward shear ready
reference/home/auto
scrap track
scrap bin full
motor airflow OK
motor thermal OK

Hardware

The system consists of a Unico 2000 family or 1000 family flux vector AC drive and a properly sized AC motor. A parallel interface module with 32 points of optically isolated, configurable I/O is supplied with the system. Optional communication interface modules support high-speed communications with a programmable logic controller (PLC). The same functionality and performance are available with the 1000 family drive platform with some limitations on hardware-mapped I/O and high-speed serial communications.

Chop-Out After Line Stop

The system provides a means by which the shear will automatically chop out a preset length of material after the line has stopped for a selectable time period.

Chop-Out Wet-End Scrap

The embedded AOC shear software will track scrap material when initiated by a push button or other wet-end signal and chop it out when it reaches the shear.

Scrap Reject Gate Control

The software is capable of controlling the scrap reject gate in real-time with feed-forward timing to compensate for electromechanical delays during scrap chop-out mode.

Scrap Jam Prevention

Once a chop-out has been completed, the shear drive will not allow another until enough material has passed into the dry end. This eliminates jam-ups caused by short lengths of material getting stuck between the web shear and the cut-off knife.

Automatic Reference/Homing

Upon power-up, the shear will automatically go to a home position. The system readies itself for the first chop-out without operator intervention.

Specifications

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Unico Features

Specification

Input200 to 690 V AC, three-phase
Voltage50 / 60 Hz
Frequency> 99%
Power Factor< 5%
Isolation TransformerYes
Unico Features

Specification

Input200 to 690 V AC, three-phase
Voltage50 / 60 Hz
Frequency> 99%
Power Factor< 5%
Isolation TransformerYes
Unico Features

Consectetur adipiscing

Input 200 to 690 V AC, three-phase
Voltage 50 / 60 Hz
Frequency > 99%
Power Factor < 5%
Isolation Transformer Yes
Unico Features

Consectetur adipiscing

Input 200 to 690 V AC, three-phase
Voltage 50 / 60 Hz
Frequency > 99%
Power Factor < 5%
Isolation Transformer Yes

Block Diagrams

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Brochures

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Resources

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Application used for Automotive

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Frequently
Asked Questions

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