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The Main Reason For The Quality Of Plywood Production

- Sep 05, 2017 -

Almost every process in the production of plywood in varying degrees affect the quality of plywood gluing, in order to facilitate grasp, summarized the following aspects:

1, the quality of adhesive

The performance of the adhesive with synthetic resin adhesive function, the composition of the coordination and transfer technology, such as several side mite surface. In recent years, the domestic plywood with glue on the composition and transfer technology to carry out a lot of research work, which not only save a lot of chemical raw materials, reducing the cost of the product, so that the performance of products also improved, this is the technical performance. In the production of only the use of synthetic resin function is excellent, there is sufficient bonding strength, the composition of the adhesive than the fair, the preparation of the adhesive function is not chaos, resin content and viscosity appropriate, there is a long enough active period to ensure the normal operation and products of the Indicators meet the requirements.

2, veneer quality

The quality of the veneer, especially its surface state, has a great influence on the strength of the gluing. Veneer quality in the wood section and veneer peeling of the process should be sufficient face to face, to be a good softening of wood processing, control the premise of a good cut off the board of the indicators in the best value, and should pay attention to veneer water Rate and flatness. In the case of

3, plywood gluing

Before the pressure should pay attention to grasp the amount of sizing and slab aging two links. Glue volume is too large, the amount of high cost; and the adhesive layer is too thick, the internal stress increases, while easy to glue; glue is too small, is not conducive to glue infiltration, glue layer will not complete. Aging time is to be affordable, with the weather changes just change. To achieve the core board of the whole, to reduce the core stack, from the seam. Should pay attention to grasp the rubber pressure bar, buck rate, especially in the slab more water should pay attention.

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