Bending technics

In addition to the business units: facades, noise barriers and bridges, Van Campen Bayards serves many different markets and sectors with its machinery. A well thought-out design in the design stage is of paramount importance for bending and / or editing profiles. Van Campen Bayards can be of service here. Every follow-up action that will lead to the achievement of a final product belongs to our possibilities.

Bending aluminum

The bending process at Van Campen Bayards is computer-controlled. The company has more than one type of bending- and stretch machines and can bend many kinds of aluminum profiles, large or small. Whether it is a standard radius or just a basket arch, elliptical or freeform, Van Campen Bayards can bend it for to you. Since each bent product has its own specific requirements in terms of size and visual appearance, with its decades of knowledge and experience, Van Campen Bayards can provide you with advice on the design and the successive stages.

Bending acrylate

In addition to bending and milling of aluminum products, Van Campen can also bend acrylate in different ways. These are often thick-walled acrylic from > 10mm. Van Campen Bayards can bring great extruded or cast acrylic sheets in a radius of approx. 8000x2500mm or acrylic sheets provided with a local conversion to 6000mm long. Of course specific requirements such as cutting and forming semi- or finished goods can also be provided here.

  • Van Campen Bayards B.V. is an expert in developing and engineering of aluminum profiles. Depending on the target product our specialists draw and calculate with advanced 3D drawing and simulation programs, creating good insight for the desired application. To understand how flexible an aluminum profile can be applied, below we schematically show how the making process takes place. You can also ascertain that the material of the aluminum profiles is created from natural raw materials namely alumina.

    The metal has only been available for little more than a century and in that time it has overtaken the world rapidly. It is economically a very important metal, and perfect for aluminum profiles. It is light (only one third of the weight of steel or bronze), and with 4% copper, 1% magnesium, 1% manganese and 0,5% silicon, equally strong, wear-resistant and corrosion-resistant. The material is ideal for automotive, aircraft production and of course, building construction.

    Aluminum is therefore eminently suitable as a construction material for an aluminum profile, to be applied in any conceivable product or market segment. Apart from the above-mentioned advantages, the production of a profile is a unique process. It can be developed in any form and extruded (squeezed) into aluminum profiles. The flexible options for an aluminum profile can be used for screwed and snap connections, or utilized for water management etc.

    Extrusion Process

    Discontinuous extrusion

    1.1 Buigen Extrusie
    Discontinuous extrusion process. 1 = Press, 2 = Rod base material, 3 = Extrusion die, 4 =

    Profile Extrusion

    A press (1) expresses a, usually pre-heated, rod base material (2) through an extrusion die with high pressure (3). The material therefore takes the form of the cross-section of the extrusion die. The extrusion profile (4) is then fed further through a traction device and cooled with air or water.

    In the extrusion of aluminum profiles a stretching process, takes place directly after the extrusion. With the "stretch" the profile is extended just past the 0.2 yield strength and therefore becomes straight. After this, the profile can be cut to length and if the alloy permits, subjected to a heat treatment.

    A method called conform extrusion also exists. As aluminum granulate causes friction when it passes through an opening which is becoming smaller, the material becomes so hot that it that it can be pressed through a die. This production method is favorable, in view of the fact that the material is not liquified and thus not creating any slink. However, this is a method that does not necessarily lend itself to aluminum profiles, but especially for the production of design products, such as iPhone or MacBook casings, or for example cables for high voltage pylons.

     

  • Aluminum rolling is one of the specialities of Van Campen Bayards¬†B.V., just as the bending of profiles. The sheet-metal is rolled in one (round) radius or curved ovally. The sheet-metal may consist of solid aluminum plate, but also of modern materials consisting of composite panels.

    With this panels are meant, which, as a sandwich construction, are composed of bonded parts. The panels consist of a thin skin of aluminum on the front and back with a core of a plastic that add mass. This type of panels are light in weight, very stiff and easy to roll. In addition, it is very durable and excellent to bring into any form.

    Besides rolling, bending and deforming aluminum, Van Campen Bayards is skilled in working with different materials. Because of this, we can think along with all your questions and we are fully aware of the advantages and disadvantages of aluminum over other metals and materials.

    The computer controlled rolling of aluminum

    Our bending / rolling machines are all computer controlled and guarantee the best quality and lowest tolerances. Besides, there are experts working at Van Campen Bayards who love their job and like to think along with your question. Aluminum rolling and bending processes indeed sound simple, but there are quite a few snags in the implementation.

    Van Campen Bayards has, as a family business, built up a great deal of internal knowledge over the decades, so we are the best partner in aluminum rolling and processing of sheet metal. Make an appointment today or call directly for free advice from our experts. We are curious to know what we can do for you!

    3.3 Alu constr nr 1

  • Bending an aluminum tube is a specialty of Van Campen Industries B.V. The bending of an aluminum pipe, profile, sheet, strip and other materials is a technique whereby the material is forced to take on a certain radius with the help of various tools. Under the influence of a bending moment, the material will, on the one side, locally stretch and butt to the other side.

    There are many ways developed which are each suitable for their specific application. Thus, one can bend aluminum tube through roller bending, press bending, swing bending, pull bending, stretch bending, sliding stone bending method and wiping.

    3.4 Alu constr nr 2

    Hot and cold forming

    The aluminum that has to be bent can be deformed in a hot as well as cold state. Most of the bending processes are performed at room temperature. By cold deformation the aluminum creates an increase in strength, also called cold hardening. Also, material which is made harder by means of a heat treatment can also be brought back in a soft state this way.

    In soft state, the material has the lowest strength, and is then best to deform cold, also in the case of bending aluminum tubing. Van Campen also possesses the heat technique, whereby our furnace can treat materials to the dimensions 8X3X3 ml.

    Bending aluminum tubes

    Van Campen is not only an expert in the bending of aluminum tubes, but can also do the same for plates, profiles, tubes and strips. All of them have to do with the above mentioned effects. Let us be your partner in these specialized operations that can be performed using our computer-controlled machines.

    3.4 Alu constr nr 3