Automation and Industrial Electronics
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Application

The task of the nail feeding control system is to immediately detect the lack of nails, which makes it possible to eliminate faulty pallets.

In response to market needs, we engineered a fully functional and stand-alone nail feeding control system. As a result of an innovative approach, our product is easy to assemble and ensures that the cost of upgrading and designing the automation of new machines is minimized.

Easy to implement and operate, the nail feeding control system works with a PLC, and, if modifying the machine's controller program is not possible, it can also work off-line.
Our product can be applied in a wide range of industries where feeding small metal pieces has to be controlled.

 

Advantages of the solution
 Our systemStandard solution
Wiring duration Minimum (1 cable to all sensors) Long (individual cable to each sensor)
PLC's I/O ports usage Not required in off-line mode, or max. 4 I/O ports 1 I/O port for each initiator
Time required to create an application in the PLC Not required in off-line mode, or using max. 4 I/O ports Using as many I/O ports as there are sensors
 Cost of rail mount Minimum, independent of the number of sensors High, growing with the number of sensors (cost of wires, connectors, etc.)

 

The kit consists of:

  • Ring initiators — a unique design enables our initiators to be connected in parallel with a single signal cable. There is no limit to the number of initiators connected in this way.
  • Initiator controller — supervises the initiators and controls the allowable number of missing nails. This number can be configured in the PLC and is equal to zero, one or two missing nails.
  • A cable with connectors for parallel connection of the initiators.
  • An audio signalling device.

 

Operating principle

The initiators are placed onto hoses which guide nails. When a nail passes the initiator's hole, a red LED on its frame turns off while the green one turns on. Thus it is clear where a nail is missing. Depending on the configured allowable number of missing nails and the number of nails that actually miss, three response modes apply:

  • When all the nails are fed (all the initiators' LEDs are green), a bar moves down to reset the initiators' memory (all LEDs turn red) and the system is ready for the next feeding of nails.
  • When the number of missing nails is equal to or less than the allowable number, the bar movement downward results in resetting all the initiators' memory and additionally in producing a short beep to signal an issue.
  • When the number of missing nails is greater than the allowable number, the system disables driving nails and stops the machine; the initiators' memory is not reset so it is clear through which initiators no nails have passed, and a short beep signals an issue.


Contact us for more technical details required to integrate our system with a machine.

Sorting optimization

Optimizing saw automation system for wood industry In order to maintain optimal times of processing an algorithm for sorting planks cut from maximum 5-metre-long raw material with the least possible amount of waste, an external module was used, based on a microcontroller which communicates with a PLC. The benefit of this solution is that the time needed to obtain a final plank cutting scheme was reduced to ca. 15 ms.