Forming Machine For PB Production Line
Quality Control of Paving Forming Molding:
Pavement forming is to pave the glued dry fibers into slabs with uniform thickness and density according to process requirements, and then pre-press and saw them into specified sizes. Only when paved into qualified slabs can high-quality medium-density fiberboards be obtained. First of all, when the fibers are formed, they are required to be non-clumping, non-aggregated, evenly distributed, and naturally well interwoven. Secondly, the formed slab is required to have a certain strength and not fall apart during transportation. Third, the density of each point of the entire slab is required to be uniform, and the weight error per unit area is ±3%. Fourth, it is required that the slab should be as dense as possible to reduce the opening of the hot press. Fifth, the thickness of the forming slab is controlled between 15 and 28 times the thickness of the finished product to reduce the consumption of raw materials and adhesives.
The surface core shavings after mixing with glue are sent to the surface core layer measurement silo of the paving station respectively, and then are paved separately through each paving head.
The particleboard paving is a 3-layer structure paving, that is, the upper layer
Lower surface layer and core layer. Among them, the paving method of the upper and lower surfaces is directional paving in the length direction, with wide and long planing
The perianth is laid directly on the surface; the core layer is laid horizontally with fine sub-small shavings.
When it comes to the surface core layer shavings paving effect is as shown in the figure. Oriented strand board designed by our company
When it comes to the core layer shavings paving effect is as shown in the figure. Oriented strand board designed by our company
The paver can automatically detect the height of the board to adjust the distance between the paver head and the board so that the paver head is at Keep a small distance between the boards to prevent shavings from floating freely during the descent of the pavement, thereby Ensure paving orientation accuracy (average orientation deviation within 7°).
OSB Paving Forming Process Requirements:
1. The pavement should be uniform and stable: the density and thickness deviation on the surface should be as small as possible. Control method: use a densitometer to measure the density at each point of the slab and measure the falling amount of shavings.
2. The slab structure is symmetrical: the center of the slab thickness is the symmetry plane, and the tree species, wood shaving shape, moisture content, glue amount, etc. on both sides are symmetrical
3. Reasonable slab structure Generally, the core layer station is 1/2-3/4, and the surface layer station is 1/8-1/4. As the thickness of the plate increases, the surface content decreases.
| Oriented Strand Board Thickness (mm) |
Proportion of surface shavings (%) |
Proportion of core layer shavings (%) |
| 8 |
50 |
50 |
| 10 |
45 |
55 |
| 13 |
40 |
60 |
| 16 |
36 |
64 |
| 19 |
33 |
67 |
The slab should have sufficient initial strength to avoid damage caused by airflow before the slab is transported and enters the press.
Panoramic View of Paving Forming Machine of OSB Production Line:
Paving Forming Machine Detail Photo:
Why Choose Us:
1. Professional technical service team provides whole plant design solutions without worries.
2. The team of production technicians provides full service and participates in factory planning, installation, production line debugging, and production delivery.
3. Professional installation team greatly shortens installation time and reduces installation costs
4. Complete after-sales service, we provide two years of free after-sales service for the entire machine to ensure the normal operation of the machine
About OSB Paving Forming Machine Contact Us for More Details
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