ã€China Aluminum Industry Network】 (1) Width and height of window frame notches are not more than 2000mm, installation deviation is controlled at 1.0mm, width and height of window frame notch is not less than 2000mm, and installation deviation is controlled at 1.5mm.
(2) The diagonal dimension of the window frame notch is not more than 2000mm, the installation deviation is controlled at 1.5mm; the diagonal dimension of the window frame notch is larger than 2000mm, and the installation deviation is controlled at 2.5mm.
(3) The assembly clearance of adjacent components of window frames and fans shall not exceed 0.3 mm, and the difference between the same levels shall not exceed 0.3 mm.
(4) Window frames and fans are tightly fitted with uniform gaps. The height tolerance of its fan and frame is 1.0mm.
(5) There should be no obvious scars on the surface of the window. There should be no obvious color difference in the coloring of the adjacent members on the window, and there should be no spilled adhesive at the assembly joint.
(6) Opening performance: The opening and closing force should not exceed 50N.
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