Pultrusion is a process production technology in Russia steklokompozita equipment

Pultrusion is a continuous production technology of fiberglass profiles.

 

 

Pultrusion is the process of obtaining the GRP profiles by continuous extrusion through heated to 130 – 150 From a forming die of fiberglass material impregnated with polyester resin or other thermosetting resin.

 

Description

Schematic diagram of the pultrusion machine

Advantages of pultrusion technology

 


Description:

Pultrusion is a continuous production technology of fiberglass profiles.

The widespread use of fiberglass was restrained, mostly because of the lack of industrial technology to mass – production of fiberglass profile is of a complex configuration with the required dimensional accuracy. This problem was successfully solved with the creation of technology of pultrusion for the production of fiberglass profile, fiberglass rebar, fiberglass rod and other products.

Pultrusion is the process of obtaining the GRP profiles by continuous extrusion through heated to 130 – 150 From a forming die of fiberglass material impregnated with polyester resin or other thermosetting resin. Dry the glass flake material unwound from reels and fed into a pultrusion device, impregnating of the machine, which is wetted with resin. Under the temperature of 130 – 150 With steklovokno and the resin turns into a very durable material. As a result, the output is a reinforced fiberglass profile configuration that follows the shape of the die.

With this technology, you can get a fiberglass profile the desired properties and complex shapes with high speed, and the physical properties of fiberglass do not change at a temperature of from 70 to 170 S0. The method of pultrusion products can be made from fiberglass with any profile (fiberglass rod, fiberglass tube, angle, plate, channel, box, etc.). Manufacturer of fiberglass profiles, so by using a special pultrusion machine.

In the technology of pultrusion the following materials: vinyl ester, epoxy or polyester resin, and any reinforcing fiber. Fillers are not used.

 


Schematic diagram of the pultrusion machine:

1 – Continuous roll of reinforced fibers (the supply section of glass roving or glass Mat).
2 – idler pulley.
3 – Resin for impregnation (impregnation section, the roving or glass Mat polyester resin or other thermosetting resin).
4 – Fiber impregnated with resin.
5 – Output (a section of the mounting of the die).
6 – Slow device (pull unit).
7 – Cutting the finished profile (panel saws).

Pultrusion machine also includes a control node on the basis of the CNCconsisting of unit supply, control unit heating elements and a control system pulling of the unit.

 

The advantages of the technology pultrusion:

– high speed and mass production (circulation),

automated process,

– cheap materials

good structural properties of the products – products.

 

Disadvantages:

expensive equipment.