Finger jointing line GRECON (1997)

GRECON

- Feeding and transport
- Milling machine combination with glue application
- Transfer station
- Infeed station
- End face press with stacking

Dovetail tenon machine
Manufacturer: Grecon
Year of manufacture: 1997
Space requirements for operation and maintenance
Length 18500 mm
Width 6500 mm
Height 2000 mm
Weight and floor load
Total weight 10500 Kg
Floor load dyn. 25 N/cm²
Wood data
Wood type: Softwood or hardwood
Length (min/max) 150 / 2000 mm
Width (min/max) 50 / 205 mm
Height (min/max) 35 / 50 mm
Output length (min/max) 3000 / 6000 mm
Machine components
Feeding and transport
Conveyor belt
Type: FB 600 / 1000
Powered conveyor belt with fixed and foldable side guides and a retractable stop for aligning the packages.
Technical data
Length 1100 mm
Width 950 mm
Height 1000 mm
Power consumption 1.1 kW
Feed speed 75 m/min
Milling machine
Turbo milling combination
Type: FDL-F-205/600/500
Two combined milling machines in a heavy-duty design with adjustable tables as workpiece supports, guided by a stable combined ball bearing and roller guide. Each milling machine is equipped
with a clamping station, the trimming unit, and the milling unit. Either the second milling machine or both milling machines are equipped with a glue application system. The milling machines can be equipped with a scoring saw.
Belts between the milling machines minimize package transport times, thus achieving a fast throughput.
A pneumatic vibrating device in the clamping station ensures even alignment of the wood. Horizontal and vertical pressure devices clamp the package. The trimming unit is used to cut a reference edge on
the workpiece. This reference edge determines the length of the respective dovetail tenon profile and can be adjusted. The dovetailing is carried out by the milling unit, followed by glue application via a side jet or roller applicator.

Technical data
Power consumption 63 kW
Compressed air consumption 350 NL/min
Exhaust diameter 2 x 250 mm
Exhaust volume 10600 m³/h
Drive
Motor 1: Table feed, milling table
Manufacturer: SEW
Power consumption 1.5 kW
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Speed 71 rpm
Motor 2: Belt drive
Manufacturer: SEW
Power consumption 1.1 kW
Speed 227 rpm
Motor 3: Trimming unit motor
Manufacturer: Walter
Power consumption 5.5 kW
Speed 2880 rpm
Motor 4: Milling spindle motor
Manufacturer: Behnke
Power consumption 22.0 kW
Speed 3000 rpm
Transfer
Transfer station
Type: ÜL WB 600/1000
Transfer station designed in a robust welded construction with an infeed belt, alignment stop, cross-feed unit, turning device with turning brush, and an outfeed belt, as well as adjustment devices for optimal adaptation to
different wood dimensions.
The packages of workpieces, which have been milled, are transferred from the milling table of the dovetail tenon milling machine to the conveyor belt of the transfer station and aligned flush with a stop. The aligned wood package is moved transversely to the infeed direction into the area of the turning device by the cross-feed unit. The separation of the wood package is carried out either directly onto the outfeed belt or by turning it 90 degrees and aligning it with a fixed edge. The discharge edge can be adjusted to the wood dimension. The separated wood is transported to the infeed station via a fast-moving conveyor belt.
Technical data
Power consumption 2.5 kW
Compressed air volume 12 m³/h
Feed speed 75 m/min
Infeed station
Infeed station
Type: EKK 205
Infeed station with a side chain guide for transporting the separated pieces of wood.

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