How to prevent metal stamping parts from being damaged
1. The material of the hinge of the sliding bracket cannot be aluminum alloy, but stainless steel should be used;
2. For doors and windows with a width of 1 meter or more, or double-glazed doors and windows, double pulleys should be installed, or movable elastic pulleys should be selected;
3. The hardware fittings should be finally installed, door and window locks, handles, etc. should be assembled after the window sashes are inserted into the frame to ensure accurate position and flexible switching;
4. When installing hardware, when using fastening screws, there must be a metal liner, and the thickness of the liner is at least twice the pitch of the fastener. Cannot be used to fix plastic profiles or non-metal linings;
5. The model, specification and performance of the hardware should conform to the current national standards and relevant regulations, and match the choice of plastic steel doors and windows;
6. Care should be taken to maintain after installation to prevent corrosion. In normal use, you should close and open gently to prevent hard closing and hard opening, which may cause damage.
