There are various connection methods between aluminum profiles and
polycarbonate sheets, and the following are some common connection
methods:
Screw connection
Method: Pre drill holes on aluminum profiles and polycarbonate
sheets, and then fix them together with screws. In order to prevent
damage to polycarbonate sheets when screws are tightened, washers
such as rubber or nylon washers are usually placed between the
screw head and the sheet to provide cushioning and sealing.
Features: Strong connection, able to withstand large tensile and
shear forces, suitable for connecting various types of aluminum
profiles and polycarbonate sheets. Installation and disassembly are
relatively convenient, making it easy for later maintenance and
replacement of boards. However, attention should be paid to the
accuracy of drilling and the tightening force of screws to avoid
cracking or inadequate sealing of the board.
Card slot connection
Method: Design specific card slots on aluminum profiles, and the
edges of polycarbonate sheets can be embedded in the card slots.
The shape and size of the card slot match the edge of the board,
and rubber or sealing strips are usually installed inside the card
slot to enhance sealing and prevent board wear.
Features: Simple and fast installation, able to quickly complete
the installation of panels and improve construction efficiency. The
appearance after connection is relatively beautiful, with small
gaps between the board and the profile, resulting in a good overall
effect. At the same time, the sealing strip can effectively prevent
rainwater, dust, etc. from entering, and has good waterproof and
dustproof performance. However, high precision is required for the
machining of the card slot to ensure that the board can be tightly
embedded.
Adhesive connection
Method: Use specialized adhesive to bond aluminum profiles and
polycarbonate sheets together. Before bonding, it is necessary to
clean and treat the surfaces of both to improve the bonding effect.
Common adhesives include silicone glue, polyurethane glue, etc.
These adhesives have good bonding performance and weather
resistance.
Features: The connection surface is flat, without obvious
connection marks, and has high aesthetic appeal. Adhesives can fill
the small gaps between boards and profiles, providing excellent
sealing and waterproof and dustproof performance. Moreover,
adhesive connections can buffer external forces to a certain
extent, reducing stress concentration caused by vibration or
temperature changes. However, the construction requirements for
adhesive connections are high, and it is necessary to strictly
follow the instructions for using the adhesive. Once bonded, it is
difficult to disassemble in the later stage.
Pressure strip connection
Method: Use aluminum or rubber pressure strips to fix the
polycarbonate sheet onto the aluminum profile. The pressure strip
is installed on the profile by screws or other fixing methods to
press the edge of the board tightly. This method is usually used
for splicing or edge fixation of boards.
Features: The tightening degree of the pressure strip can be
adjusted as needed to meet different installation requirements. It
has a good protective effect on the edges of polycarbonate sheets
to prevent damage to the edges. At the same time, the installation
and disassembly of the pressure strip are relatively convenient,
making it easy to carry out local maintenance or replacement of the
board. However, the connection of the pressure strip needs to
ensure the quality of the pressure strip and the flatness of the
installation, otherwise it may cause uneven stress on the board.
