Poor Jointing | ||
The sections of the veneer are spliced but sections open. Slight openings found along the glue line. | Inconsistent or insufficient glue spread. Sections of the veneer received too little glue or none. | Check the method of applying glue to the veneer. |
Small slivers of the veneer were torn out along the edge. | Check the jointer. |
Excessive Glue Spread | ||
A build up of glue on the surface of the veneer. | Too heavy of a glue spread on the veneer. | Check the method of applying glue. |
Tear out of the veneer along the glue line. | Build up of crystallized glue on either the upper heater strip or lower heater bar. | Check the method of applying glue. |
Crimping | ||
The leading edge of the glue line is pushed back along the glue line. | Build up of crystallized glue on either the upper heater strip or lower heater bar. | Check the method of applying glue. |
Lower heater bar is high. | Readjust the lower and upper heater bars. |