Method for producing glued adhesion thick plate for construction

Abstract

The invention relates to a manufacture technique for a veneer made of a structural material used for construction, project and bearing. The manufacture method is that first thick plates with 25 to 30mm of thickness are manufactured by cold-rolling and then by hot-rolling and the length can be prolonged by finger joint according to requirements; a unit glue spreading assembly is thickened after the unit manufacture is finished; the finger joint and the thickening adopt cold-rolling; the thick plates are processed into products with 4 to 50cm of different thickness specifications. The manufacturing method has simple technique and high maneuverability; the thickness specifications of the manufactured veneers are 5 to 15cm; the length, the width and the milling size of the veneers can be customized according to the requirements of customers; besides, the veneer manufactured by the invention has the advantages of stable quality, high gluing intensity, excellent physical mechanical property, excellent water-proof property, high strength-weight ratio, etc.

Description

technical field [0001] The invention relates to a production process of plywood, in particular to a production process of plywood for construction, engineering, load-bearing, I-beam and other structures. technical background [0002] Plywood is a three-layer or more than three-layer thin board made of logs that are peeled into veneers or sliced ​​into thin wood, and then glued with adhesives. It is usually made of odd-numbered veneers, and the fiber directions of adjacent veneers are arranged perpendicular to each other and glued together. Due to the advantages of plywood, such as high strength-to-weight ratio, good earthquake resistance, and convenient construction, especially in recent years, research has proved that under the high temperature generated by building fires, the damage time of steel main beams will be much earlier than its corresponding wooden system. The development of wood structure construction materials in Europe, Japan, the United States and other deve...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to propose a new process for the production of plywood for construction and engineering load-bearing structural materials, so that the implementation of the process can ensure the quality of super-thick plywood products, and the process is simple, so as to solve the problem that it is difficult to guarantee the production of plywood thick plates, especially super-thick plates. The quality of plywood, and the complex process, high production costs and other issues

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