DETAILED PROCESS OF PRODUCING SQUARE AIR DUCT IN AIR CONDITIONING SYSTEM
1. Prepare materials and tools
Main materials:
- Galvanized sheet metal Thickness from 0.48mm to 1.2mm
- Silicone glue specialized for air ducts
- Thanh V (for joints)
- Self-drilling screws
- Glue specialized
- Aluminum tape specialized
- Insulation foam PE or EPDM
Tools and equipment:
- Industrial sheet metal cutting machine
- Corrugated iron beveling machine
- Corner punching machine
- Pliers, hammer, chisel
- Measuring tape and marking pen
- Drill and screwdriver
- Specialized foam cutting scissors
2. Measurement and design process
Step 1: Survey and measure
- Determine the size of the duct to be produced
- Measure required length and width
- Record detailed parameters
- Calculate the required slope
Step 2: Design and calculation
- Drawing detailed designs
- Calculate the amount of materials needed
- Locate the joints
- Design of shock absorber system (if required)
3. Cutting and shaping process
Step 1: Mark and cut the sheet metal
- Mark the size on the sheet metal
- Cut the sheet metal according to the marked size
- Check the accuracy of the cuts
Step 2: Create the fold
- Fold the edge of the corrugated iron sheet at a 90 degree angle
- Create seams
- Check squareness
Step 3: Punch the corners and shape
- Punching corners at joints
- Create stiffeners (if needed)
- Check for stiffness and stability
4. Insulation foam wrapping process
Step 1: Prepare the foam
- Measure and cut foam to size
- Cleaning the corrugated iron surface
- Prepare the glue
Step 2: Stick the foam
- Apply glue evenly to the surface of the corrugated iron.
- Carefully stick the foam layer by layer.
- Make sure there are no air bubbles.
Step 3: Foam joint treatment
- Glue foam joints
- Use reinforced aluminum tape
- Check the tightness of the insulation
5. Assembly and finishing process
Step 1: Assemble the components
- Assemble the prepared corrugated iron pieces
- Install V-bars at the joints
- Tighten the fixing screws
Step 2: Joint treatment
- Apply silicone glue at the joints
- Stick reinforced aluminum tape
- Check for tightness
Step 3: Finishing
- Install additional accessories
- Overall check
- Clean and tidy up
6. Quality control
Testing criteria:
- Tightness of joints
- Stability and rigidity
- Quality of insulation
- Surface finish
7. Storage and transportation
Step 1: Packing
- Wrap the corners
- Information labeling
- Safe packaging
Step 2: Shipping
- Streamline
- Avoid collision
- Protection while on the move
8. Important notes in production
Technically:
- Ensuring accuracy in measurement
- Check the joints carefully.
- Ensures perfect sealing
About safety:
- Use protective equipment
- Follow safety procedures
- Check equipment before use
About quality:
- Check input materials
- Ensure production standards
- Final product inspection
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