Have you mastered the construction and installation of aluminum magnesium manganese aluminum plate?

The installation process of Al-Mg-Mn aluminum plate is as follows: pay-off-in-place-undercut-edge trimming. In this paper, we will understand the process of undercut and its subsequent processes:

A, lock bite:

After adjusting the position of the panel, the construction sewing machine must be used when the sewing edge bites. The bite of the lock edge must be smooth and continuous, and cracks and distortions are strictly prohibited.

When the edge-biting machine is engaged in bite construction, the construction must be closely combined and the boundary should be tightly overlapped within 1 meter, so as to ensure the quality of the edge-locking.

The aluminum-magnesium-manganese-aluminum roof panel completed on the same day must be locked in time to avoid the damage of strong wind to the panel construction.

Second, the panel edge trimming:

After the installation of Al-Mg-Mn aluminum plate, the alloy plate must be trimmed to ensure the edge of the plate is neat. At the same time, it should also be noted that the length of the panel extending into the gutter should not be less than 80 mm.

Third, the processing of flanging:

After the panel is trimmed, the eaves of the house should be turned up by an angle of about 45 with appliances, so as to ensure the smooth drainage of rainwater from the eaves in rainy days and avoid indoor water seepage.

Four, aluminum magnesium manganese panel installation points for attention:

① Test the panel first, and then install it after passing the test.

(2) after the installation of the alloy panel, excellent tools should be used to lock the edges. After the completion of panel laying, it is necessary to bite the edge in time, so as to ensure the bearing capacity and integrity of the panel.

(3) After the laying of aluminum magnesium manganese aluminum plate is completed, determine the axis, then the workers should align the supporting base with the panel, and then put the bite machine on the lap joint of the panel. To prevent the aluminum magnesium manganese aluminum panel from overturning, let the support of the bite machine support the machine.

(4) when installing the panel in the house, two workers should step on it along the bite of the panel, and step on the seam of the panel and the bearing. The operator of the occluding machine follows the front workers to finish the occluding work of the panel.

Five, the opening of the roof, skylight flashing:

Aiming at the opening of the roof and skylight, the aluminum magnesium manganese plate is used to pull over the hem, and the aluminum veneer extends 5cm to the upper edge of the aluminum magnesium manganese plate, thus ensuring the lower connection as a whole and ensuring waterproof performance.

Six, roof node waterproof:

The flashing board at the ridge of the roof is commonly referred to as the roof cover board. The connection forms mostly rely on the external plugs on the two sides of the roof and the ribs of the aluminum-magnesium-manganese-aluminum roof board, and are connected and fixed by rivets.

Seven, the installation of roof plug:

The plug is installed after the installation of Al-Mg-Mn-Al plate, and the construction personnel directly press the plug on the plate surface, so that the mosaic plate ribs of the panel can clamp the plug to realize the connection.

Operation process of some working procedures in aluminum-magnesium-manganese aluminum plate project

The installation of Al-Mg-Mn-Al sheet on the roof of a project is made by on-site processing. The detailed package of aluminum sheet size is accurate and strict according to the actual situation on site, which not only ensures the quality of the project, but also improves the construction progress, ensures the planned construction period and reduces waste, thus reducing the project cost. The specific operation process of some working procedures of this project is as follows:

A, fixed bracket installation:

The fixed seat is the support of the aluminum magnesium manganese plate, and it is the stress component of the load transfer sandalwood of the roof panel. Its installation quality directly affects the wind resistance of the aluminum magnesium manganese plate, and the installation error of the aluminum fixed seat will also affect the longitudinal free expansion and contraction of the aluminum magnesium manganese plate and the appearance of the aluminum magnesium manganese plate. Therefore, installing the aluminum fixed seat is the key process of roof engineering.

Firstly, several points of a roof panel installation control line are measured by station instrument, and the control line of aluminum magnesium manganese plate bracket pops up. After the control line is measured, two recheck lines will be measured. Based on the control line, determine the bracket position of each panel with a specific ruler. When the bracket is installed to the recheck line, check the bracket position deviation and control the bracket installation error within the specification requirements.

The number of Al-Mg-Mn aluminum plate supports determines the wind resistance of Al-Mg-Mn aluminum plate, so the spacing of Al-Mg-Mn aluminum plate supports is arranged in strict accordance with the design drawings, and it is actually measured and retested on site. Al-Mg-Mn plate brackets are fixed with self-tapping screws. Self-tapping screws must be qualified products, and the number of self-tapping screws on each bracket cannot be reduced. Self-tapping screws must be provided with aging-resistant sealing rings. When installing the panel fixing seat, the heat insulation pad below them must be installed at the same time.

Second, the insulation cotton installation:

Before the Al-Mg-Mn board is put in place, the thermal insulation cotton shall be paved, and the stacking position of thermal insulation cotton shall be kept at a height of about 300mm from the ground. At the same time, rain-proof cloth shall be used to protect it from rain and moisture. Before installation, the quality of thermal insulation cotton must be checked. In the project where the wet cotton is forbidden to be used, double-layer thermal insulation cotton should be staggered and overlapped to ensure the overall tightness of thermal insulation layer and prevent the phenomenon of cold bridge.

Three, aluminum magnesium manganese plate in place:

According to the actual situation, reasonably arrange the hoisting equipment to hoist the aluminum magnesium manganese aluminum plate to the roof, and then the operator lifts the plate to the installation position, first check whether the small side of the front aluminum plate is fully buckled into the fixed seat, and then put it in place. When it is in place, first control the aluminum plate end line, and then press the lap edge into the lap edge of the front aluminum plate. Check whether the lap edges can be tightly joined. If not, find out the problem and deal with it as soon as possible. If the lap edges are fully engaged, use a manual bite device to temporarily engage the lap edges at intervals of 3m to prevent the plate ribs from popping out of the fixed seat under the action of internal stress.

Four, lock edge:

When biting the edge, pre-lock it with a manual splint device, mainly pre-lock the fixed seat to ensure that the supporting end of the fixed seat is buckled into the plate rib. After manual occlusion, carry out electric edge locking, which should be slow and continuous; Formal hemming shall be carried out slowly and continuously, and two people shall cooperate in hemming. One person shall check and stamp Al-Mg-Mn aluminum plate before to ensure tight bite, and the other person shall operate the hemming machine to lock the hemming, so as to ensure that the fixed seats are fully buckled into the plate ribs and ensure the wind resistance of the whole roof.

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