Aluminum composite panels can be joined using metal and plastic joining methods commonly used for processing. Here are a few common ways of connecting.
Alusign aluminum composite panels can be joined between panels or between panels and other materials using rivets suitable for aluminum. For applications in outdoor or high humidity areas, stainless steel core rivets should be used to avoid corrosion affecting the surface of the dibond sheet. If iron core rivets are used, the core must be extracted after riveting. Countersunk rivets can only be used for indoor applications.
Divided into external and indoor use:
Outdoor fixing parts: When using screw fixing parts outdoors, it is necessary to consider the thermal expansion coefficient of the composite panel. In order to avoid deformation of the composite wall panel due to thermal deformation, the opening on the aluminum plastic composite panel needs to be larger than the screw diameter so that meet the requirements of expansion and contraction. The use of stainless steel screws with ferrules eliminates the deformation of the aluminium plastic composite panel and the functionality of this product has been verified.
To select a screw suitable for the structural material, use a torque wrench or a screwdriver to tighten the screw to ensure that the gasket effectively seals the opening but does not tighten too much to leave marks on the surface of the aluminum plate. Sometimes it is necessary to use a deformed drill bit or casing to drill holes in the aluminum plate or bottom structure to achieve centering drilling and rivet construction. It is important to ensure that the protective film is removed before fixing the screws.
Indoor fixtures: For indoor applications, steel or wood fixing screws with different head shapes can be used. These screws usually do not allow the aluminium composite sheet to have thermal expansion displacement. The countersunk screw can be used to fix the aluminum composite board. You can use the usual countersink method or directly press the aluminum panel into the panel. The hole on the aluminum panel is larger than the diameter of the screw rod.
The use of hot air for welding between plastics can be applied to the connection between aluminum plastic composite panels. The electric heating torch is used to melt the aluminum plate with heated air. The polyethylene core layer and the polyethylene plastic electrode are cooled and connected. The following are good conditions for welding quality:
1. Prepare a good board edge interface;
2. Clean hot air;
3. Correct welding temperature;
4. Correct contact pressure;
5. Welding speed.
Bonding metal adhesive / universal adhesive are used for indoor advertising board and booth layout. Commonly used metals or common adhesives are suitable for bonding on composite panels. Double-sided tape is suitable for connection with low strength requirements. For occasions requiring high strength bonding, we recommend a one-component adhesive, SIKA-BOND. It should be noted that the ability of the adhesive to withstand static strength when used outdoors is typical. When the composite aluminum panel is bonded to other materials, the bonding failure may occur due to the difference in thermal expansion coefficient of the material.
It is also common to use a combination fixture to secure and attach the composite panel. The fixture can be made of aluminum or plastic material. It is usually composed of two parts and connected by screws.
Alusign is a Chinese acp manufacturer and exporter of aluminum metal panels with 16 years of experience. We have a professional, strict manufacturing team and quality inspection team. The aluminum composite metal panels sold by Alusign are strictly controlled, and the quality of the products is enough for customers to trust.
Do you have demand in acp material? Are you interested in our product? Alusign is a professional Chinese composite panel manufacturer with 16 years of producing and selling experience. You can send email to: [email protected] to get discount wholesale price and more product information. Of course, you can also leave your message here, and we will contact you soon.
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