Floor installation, using self-tapping screws hanging. […]
Floor installation, using self-tapping screws hanging. In the installation of the floor, the use of level and theodolite installed on the purlins first measured the first column of the installation baseline, based on this line, each of twenty board width for a group of pitch, in the roof of the entire installation location of the test Release the entire floor installation monitoring and control network.
When the first press plate is held in place, draw a continuous line at the end of the plate and at the top of the plate. These two wires and the first plate will become the guide wire for quick fixing of the subsequent press plate.
After installing a section of the area to be checked, the method is to measure the width of the fixed pressure plate, at the top and bottom of the test once, to ensure that there is no movement and fan.
Pressure-type base plate by tapping screws and the main purlin connection, self-tapping screw spacing: horizontal distance of a wave in the trough and purlin connection;
The order of installation of the steel plate is from high position to low position, from the middle part to the edge part, and lapped to the lower position.
Installation to the next pay-off line mark points, review the installation of plate deviation, when the design requirements to meet the overall fastening plate. If it fails to meet the requirements, it shall be adjusted within the next mark section. When it is adjustable within this mark section, it may be fully tightened after adjusting the mark section.
After the installation of the floor should be promptly checked for missing fastening points.
In the tightening of self-tapping screws should grasp the degree of fastening, not excessive, over the seal will turn upside down, and even the surface depression and water. Insufficient tightening can cause leaks in the seal, and visually inspect the degree of tightening by looking at whether the rubber around the backing plate is slightly squeezed out.