GB/T 29739-2013 Test method of resistance to repeat opening and closing for windows and doors

Scope

This standard specifies the test method for the mechanical durability of the opening parts of doors and windows after a certain number of opening and closing cycles.
This standard applies to entire doors and windows made of various materials and opening and closing systems under normal operating conditions.
The test of this standard involves the door and window frames, opening components (including all auxiliary components) and necessary hardware fittings, including opening and closing devices. However, it does not include any additional fixed fittings, such as: bolts, braces, nor any separately installed limiting devices.
The opening and closing cycles in this standard include the movement of auxiliary components such as hinges, supporting rods, balancing devices and other mechanical devices.

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