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The damage of plastic steel door and window hardware accessories is generally as follows: the hardware accessories are not firmly fixed, loose and loose, and the pulleys, sliding hinges and the like are damaged, and the opening and closing is not flexible.
Causes of damage to hardware:
The hardware accessories are not properly selected and the quality is inferior; there is no metal lining when tightening, and there is not enough installation strength.
Measures to prevent damage to hardware:
1. The type, specification and performance of the selected hardware fittings should conform to the current national standards and relevant regulations, and match the selected plastic doors and windows.
2. For sliding windows with a width of more than 1m, or doors and windows with double glazing, double pulleys or rolling pulleys should be used.
3. The sliding hinge should not be made of aluminum alloy. Stainless steel "target=_blank> stainless steel should be used.
4. Install the hardware with the fastening screws. The metal lining must be built in. The thickness of the lining should be at least twice the distance of the fastener. Do not fasten to plastic profiles or use non-metallic linings.
5. Hardware accessories should be installed last time. Door and window locks, handles, etc. should be assembled after the window door fan is inserted into the frame to ensure correct position and flexible switch.
6. After the hardware is installed, pay attention to maintenance to prevent rust and corrosion. In daily use, it is necessary to lightly open and close the door to prevent hard opening and damage.
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn