Panel aids carpet design
A
Lenze product story
Edited by the Engineeringtalk editorial team
Jul 27, 2007
Cobble Blackburn's master control is performed with a Lenze Drive PLC programmed to IEC6113-3
In May 2007 Lenze delivered the 50th panel to Cobble Blackburn for its high-speed tufting machines.
The 50th machine is destined for a carpet manufacturer in Holland who is adding to its existing range of Cobble machines.
The panel contains IPC and PLC controls plus 5 axes of servo drives and a single inverter axis.
Cobble Blackburn has hundreds of machines in use worldwide.
Carpets are creating by the tufting process which uses needles to insert a woven fibre into a backing web.
Carpet widths are typically 6-8m and the gauge and pile heights are easily adjustable.
The Cobble machines suit frequent and accurate setting adjustments which achieve different patterns in the carpets.
Lenze has been supplying these panels to Cobble since 2002.
A critical factor is the software for operator visualisation developed by Lenze specifically for this application.
The double panels weighing 700kg contain a mixture of control and drive elements.
For the operators there is both a touchscreen IPC and HMI mounted on the front.
Internally the master control is done by a Lenze Drive PLC programmed to IEC6113-3.
There are five servo axes, four of them identical Lenze 9325 drives linked by Lenze CAN system bus.
The 8200 vector inverter axis is fitted with a Lenze brake chopper and braking resistor: "The panel layout is logical and easy to work on, for example the contactors, chokes and drives for each axis are all in line" comments Cobble Engineer Jon Cripps.
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