What are the precautions for installing aluminum alloy roller shutters?

When installing aluminum alloy roller shutters, please note the following: Preparation Before Installation: 1. Measure dimensions: Accurately measure the height, width, and depth of the door opening to ensure accuracy. Errors should be kept to a minimum, with height and width deviations not exceeding 5 millimeters and depth deviations not exceeding 10 millimeters. For instance, if the door opening height is 3 meters, the actual measurement should be between 2.995 and 3.005 meters; for a width of 2 meters, the measurement should be between 1.995 and 2.005 meters. 2. Consider the space around the door opening to ensure the roller shutter can open and close without being obstructed. For example, there should be enough space above the door opening to accommodate the roller shutter's drum, and there should be adequate gaps on both sides for the door panel to move smoothly. 3. Inspect the door and accessories: Thoroughly check that the aluminum alloy roller shutter's door body, curtain panels, tracks, motor, and other accessories are undamaged. Check for scratches, dents, or other defects on the door body surface, ensure the curtain panels are flat and undamaged, and that the tracks are straight and free of bends. 4. Verify that all accessories are complete, including screws, nuts, washers, remote controls, etc. Ensure all accessories meet installation requirements and replace or reissue any damaged or missing items promptly. 5. Prepare installation tools: Gather the necessary tools for installation, such as drills, screwdrivers, wrenches, levels, measuring tapes, etc. Ensure the quality and performance of the tools are good for a smooth installation. Additional tools like welders and cutting machines may be needed based on installation requirements. Adhere to safety procedures when using these tools to ensure construction safety. Attention Points During Installation: 1. Secure the door frame: Ensure the door frame is level and plumb when fixing it to the door opening. Use a level to measure and adjust the frame to keep the level and plumb errors within 2 millimeters. For example, if the door frame height is 3 meters, the height difference at both ends should be less than 2 millimeters. Secure the frame to the wall using expansion bolts or chemical bolts, ensuring even spacing of the screws and a secure fit, typically placing a fastening point every 300-500 millimeters. 2. Install the tracks: The tracks should be installed parallel and straight, with the distance between the tracks matching the door width. Use a measuring tape and level for measurement and adjustment to ensure the accuracy of the track installation. For a door width of 2 meters, the distance between the tracks should be between 1.995 and 2.005 meters, and the tracks should be on the same level with an error not exceeding 1 millimeter. The connection between the tracks and the door frame should be firm and reliable, using welding or bolt connections. Ensure the quality of the welds and tighten the nuts for bolt connections to prevent loosening. 3. Install the door body: Place the aluminum alloy roller shutter door body on the tracks, ensuring smooth operation within the tracks. The curtain panels should be aligned properly without misalignment or twists. Apply lubricant as needed during installation to reduce friction between the door body and tracks. 4. Connect the door body to the motor, ensuring the motor's drive mechanism is securely connected to the door drum. Position the motor appropriately for easy maintenance and operation. Choose the correct wire size based on the motor's power and the door body's weight to ensure stable power supply. 5. Test operation: After installation, perform a test run on the roller shutter. Check that the door's lifting, lowering, and stopping functions are normal, and that the running speed is moderate. Adjust the motor parameters to control the door body's speed, typically with an upward speed of 0.2-0.5 meters per second and a downward speed of 0.3-0.8 meters per second. 6. Test the door's obstacle reversal function to ensure it can automatically stop and reverse when encountering an obstacle. Place a piece of wood or other obstacle under the door body and observe the door's response. The sensitivity of the obstacle reversal should be moderate, neither too sensitive to cause false actions nor too slow to affect safety performance. 7. Check the remote control's responsiveness and reliability. The effective range of the remote control should meet requirements, generally within 30-50 meters. Ensure the remote control's password is set securely to prevent malicious operation by others.