981 South Wabash Street PO Box 465 Wabash, IN 46992

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Troubleshooting Overlapping on a Veneer Splicer

Troubleshooting Overlapping on
a Veneer Splicer

The edge of one piece of veneer is on top
of the other.
The veneer is not being held flat.
The pressure bar may be too high.
Check the float gauge.
Lower the pressure bar.
The front suspension bolt is too tight. This lifts the
infeed end of the upper heater bar.
Loosen the suspension bolt.
Upper heater bar is too high. Reset the upper heater bar.
The front end of the heater strip is not against the
lower heater bar.
Place a slight bend in the heater strip 4″ from
the infeed end.
The heater strip will not “float” up and down
at the infeed end.
Check the lower heater bar for level. The feed chains
are pulling on the heater strip.
The pressure setting is too light.Check
for pressure marks, the shine, on the veneer.
Increase the pressure setting.
The veneer overlaps before entering the
feed chains.
The holddown springs on the matching roll
are not holding the veneer flat.
Lower the holddown assembly.
Replace the holddown split springs.
The matching rolls pull the veneer into
the machine at angles.
Readjust the cant on the matching rolls.
Reduce the pressure on the matching rolls.
The edge of the veneer curls up against
the infeed guide.
Readjust the cant on the matching rolls.
If the veneer is curled at the edge set
the holddown block as close to the matching roll and as low as is possible.
The jointed edges of the veneer are not
Check the jointer blade for sharpness.
Only use the veneer edge from the flat side of the Guillotine.
The veneer overlaps on one or both ends only. The edges of the veneer are not straight or parallel. Check the jointer.


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Diehl Machines