ã€China Aluminum Industry Network】 (1) The type, specification, opening direction and installation location of the windows used should meet the design requirements.
Overshot go into the heart of the drill pipe, the slider move up, make the tube socket head can be inserted into the center, when on the slider move up tight, using friction lift drill, remove loose again after the slider, by means of the connection string to slide along the block should tighten, set aside the center pipe, but in front of the salvage must first determine the bit in the bottom of the hole position, can be in a thin plate with bolts tight end of drill pipe, Drop the drill pipe to the bottom of the hole and press it on the drill bit. After waiting for a moment, it is proposed that the relative position of the drill bit at the bottom of the hole and the center of the rotary plate of the drill can be determined by observing the indentation left by the center pipe of the drill bit on the board, and then move the drill or rotary plate so that the center of the rotary plate is directly in front of the center pipe of the injured head, so as to ensure that the fishing device can be inserted into the center pipe accurately.
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(2) The installation of windows must be firm, horizontal and vertical, and uniform in height. The gap between the frame and the wall shall be filled with fullness and density, the surface shall be smooth and free of cracks, and the stuffing materials and methods shall meet the design requirements.
(3) Window sashes should be flexible and free from falling, blocking and rebounding. Hardware accessories should be complete and correct. The seal should be in a compressed state after closing.
(4) The appearance quality of the window after installation should be clean. There are no scratches, bumps, and rust on the large surface; the coated surface is smooth, uniform in thickness, and free from porosity.
(5) Within each 3.5m length, the error in vertical, horizontal or angle is less than 3mm, and the error in the total length is less than 12mm.
(6) The error when connecting two consecutive components is less than 1.6mm.