Manufacturing technique of highlight floor base material

Abstract

The invention provides manufacturing technique of highlight floor base material. The manufacturing technique of the highlight floor base material comprises steps of wood raw material peeling, chipping, wood chip screening, washing, pre-cooking, cooking, hot grinding, glue mixing, drying, formation and prepressing, slab hot pressing, cooling tempering, sanding saw cutting, grading and packing, wherein in a drying step, moisture content after drying is 9.0-10.5%; in a slab hot pressing step, hot pressing temperature is 170-225 DEG C, five sections of temperature zone are adopted, hot pressing pressure is 0-4MPa, and a hot pressing factor is 7.2-8.0s / mm, maximum pressure is 3-3.7MPa. A small step is arranged at the top end of the highest density in density distribution of a fracture surface and gradually transits to a core layer, and surface highest density is 1100-1150kg / m<3>; in a sanding step, bearing jump of a sander drum is controlled within 2.0mm / s, and in the fine sand, a tape of more than 150 meshes is used to process. The manufacturing technique of the highlight floor base material has high surface smoothness and evenness, surface density and fracture density distribution are matched with pressing and pasting technique, and moisture content is control with quite narrow fluctuation range.

Description

technical field

[0001] The invention belongs to the field of wood processing, and in particular relates to a production process of a high-gloss floor base material. Background technique

[0002] Since the advent of impregnated paper laminated wood flooring (laminate flooring), it has been widely favored by consumers for its beauty and durability, convenient installation, and easy cleaning. With the improvement of people's living standards and the change of aesthetic taste, the high-definition and high-fidelity laminated floor is selling well in the market. This kind of floor is commonly known as high-gloss floor. Laminate flooring is a floor made of one or more layers of special paper impregnated with thermosetting amino resin, paved on the surface of medium and high-density fiberboard, with a balance layer on the back and a wear-resistant layer on the front, and hot-pressed. The special feature of the high-gloss floor is that two or more layers of veneer materials on the s...