Domaines d'application du moulage par injection dans l'industrie

fabricant de matrices de moulage par injection a  Plastic elements are an integral part of everyday life. However, objects can only be brought into the desired shape by injection molding.

• Stabilité extrême du processus
• faibles coûts de pièces pour de grandes quantités et
• De plus, la facilité d'utilisation directe des pièces moulées

ne sont que quelques-uns des avantages qui parlent pour le processus.

fabricant de matrices de moulage par injection - qu'est-ce que c'est exactement?

Injection molding is a technical application. It is used today for very different materials and workpieces. Furthermore, injection molding is particularly widespread in the molding of various plastics.

At this point, fabricant de matrices de moulage par injection takes advantage of their special material properties. Plastics such as:

• Polyolefins
• PMMA
• Polycarbonate
• Polystyrene

have the property of liquefying under the influence of heat. Thermoset materials, which can also be processed by injection molding. Follow different material parameters. And must be processed differently.

Because of this, a distinction is generally made between thermoplastic and thermoset injection molding. What does the processing look like in detail?

• Thermoplastic injection molding:Here an fabricant de matrices de moulage par injection uses for the production. Generally, it is liquefied through the use of heating elements.

Cooling – including volume reduction – starts immediately. In order to maintain the required level, material is pressed in the injection molding machine at lower pressures.

• Thermoset injection molding:Here you have to take into account the fact that the material hardens in the heat. The actual casting process therefore takes place at low temperatures.

 Therefore, one of the challenges is to keep the process heat low. 

injection moulding die manufacturer: lots of advantages

There are a number of reasons in favor of the injection molding process. For example, injection molding can be used to produce directly usable molded parts in large quantities. fabricant de matrices de moulage par injectioncan modify objects with enormous accuracy in short time.

Regardless of the surface of anything is possible with the injection molding process. As a rule, no post-processing of the molded part is required.

Fully automated processes and a high reproducibility of the injection molding production are further advantages. An equally important aspect that speaks for the application of the injection molding process. Therefore, it is the variety of materials that can be used.

All thermoplastics and elastomers can be processed. Which in turn enables a huge range of application areas for the components created by injection molding.

How does injection moulding die manufacturer maintain unique customer requirement?

fabricant de matrices de moulage par injection manufactures plastic parts using the injection molding process. Generally, it happens individually according to customer requirements.

During injection molding, the liquefied material is injected into the injection mold under pressure. The material is then cooled in the injection molding tool. And returned to a solid state in a crosslinking reaction.

The cavity, determines the shape of the injection molded parts. And the surface structure of the finished plastic injection molded part. Which then already has the finished shape of the injection molded end product for the customer.

After the cooling fabricant de matrices de moulage par injectioninstalls the product in the injection molding machine.

How to remove finished injection moulding product?

The finished injection molded plastic product can be removed from the injection mold by hand. Or with a separately attached removal device.

INJECTION MOLDING TECHNOLOGY ENABLES FLEXIBILITY IN PRODUCTION

Injection molding has established itself as a manufacturing process in recent years. The injection molding process is often referred to as the primary molding process. Which has established itself particularly in plastics processing.

The injection molding machine is able to liquefy the material. If the material is liquid, fabricant de matrices de moulage par injection can process it quickly.

injection moulding die manufacturer introduces different types of injection molding

There are very different processes for injection molding. Which are used depending on the production part and target. If injection molding is used in plastics, a distinction is made between:

• Thermoplastics
• thermosets and
• the so-called elastomers.

All three types of material can be safely processed using the injection molding process. From an economic point of view. Thermoplastic injection molding is of the greatest importance today.

And is therefore almost the most fabricant de matrices de moulage par injectionuses it. Moreover, there is no plastics processing method that is used as often.

SPECIAL FEATURES AND CHARACTERISTICS OF THERMOPLASTIC INJECTION MOLDING

The injection molding technology for thermoplastic injection molding is based on the essential features of the special machines. Basically, a screw piston injection molding machine is used for thermoplastics. It consists of two basic units:

• the injection unit, also known as a plasticizing unit
• the clamping unit

L'unité de serrage est capable de fermer le moule. Il maintient ensuite le moule ensemble et l'ouvre à nouveau. Les pièces les plus importantes de l'unité d'injection sont le cylindre horizontal appelé cylindre plastifiant et la vis.

Fondamentalement, la vis n'est pas seulement capable de tourner. Mais peut également effectuer des mouvements axiaux dans le cylindre. La trémie se trouve à l'une des extrémités de ce cylindre.

fabricant de matrices de moulage par injection place la matière première. La buse refermable est positionnée à l'autre extrémité. La buse relie l'unité d'injection à l'unité de serrage.

fabricant de matrices de moulage par injection moulage par injection thermoplastique

Le moulage par injection thermoplastique se compose d'étapes de travail individuelles. C'est

1. Plastifier et doser
2. Injecter
3. Appuyez et refroidissez
4. Démouler

Comportement optimal de l'écoulement du matériau de fusion

In principle, an optimal flow behavior of the melt is aimed for. Therefore, the focus is on so-called laminar flow behavior. At the point where the melt touches the cooled tool wall. Moreover, it can cool down immediately.

Then it remains stuck in place. The melting channel tapers and the melt moves up. Subsequently, it increases in speed while moving up.

An important point in injection molding is that the tool is in principle colder than the actual plastic mass. In injection molding technology, for example, the mold has a temperature of 20 to 120 degrees Celsius.

The plastic mass is in a temperature range of 200 to 300 degrees Celsius. The large temperature differences are desirable in injection molding. As soon as the melt reaches freezing during cooling, it solidifies.

What is the final step in injection molding?

La dernière étape du moulage par injection est le démoulage. Tout d'abord, le côté éjecteur est ouvert par l'unité de serrage. Le  fabricant de matrices de moulage par injection  éjecte la pièce par des broches.

fabricant de matrices de moulage par injection - domaines d'application dans l'industrie

Les procédés de moulage par injection sont devenus plus importants dans le passé. La raison en est la forte présence de produits en plastique dans l'industrie. Là où le moulage par injection est utilisé partout aujourd'hui. Vous le remarquerez très rapidement en observateur attentif.

Déjà dans le ménage, il existe diverses applications possibles. Telles que la production de:

• Assemblages pour appareils électroménagers
• Pièces de boîtier pour appareils ménagers
• Composants pour meubles
• Assemblages pour appareils électriques

fabricant de matrices de moulage par injection also uses Injection molding processes in the automotive industry. Here, thermoplastic injection molding can include:

• Bumpers
• Dashboards
• Poignées
• Headlight covers

getting produced. Another classic area of ​​application for injection molding is the toy industry. In addition to building blocks made of plastic. Components for model making or many other toys are also manufactured here.

If you look at the range of plastic products in use today. Many other industries come into play in which fabricant de matrices de moulage par injection plays a role.

Conclusion: injection moulding die manufacturers is an integral part of modernity

Most of the time, we thoughtlessly grab plastic cups or sit in the car. Without thinking about how the dashboard is made.

In almost all areas of life we ​​now find products that are made with the help of fabricant de matrices de moulage par injection. However, there is also a certain problem associated with this – environmental pollution.

Plastics are resistant to the weather. The industry is now working on developing compostable plastics. That can also be processed using injection molding.