When stamping dies, it is inevitable that parts will be damaged. How to prevent the damage of die stamping parts?

The models, specifications and functions of the hardware fittings shall conform to the current national standards and relevant stipulations, and be matched with the selected plastic steel doors and windows.

Installation of hardware with fastening screws, must be built-in metal lining plate thickness should be at least twice the fastener tooth spacing. It shall not be fastened on plastic profiles or non-metallic liners.

Die stamping parts after installation should pay attention to maintenance, prevent rust corrosion.

Hardware fittings gold should be installed last, door and window lock, handle, etc. should be assembled after the window and door fan into the frame to ensure accurate position, flexible switch.

For push-pull windows with a width of more than 1 meter or double-glazed doors and windows, double pulleys or dynamic pulleys are recommended.

Stainless steel is not suitable for sliding hinge hinge.

Die stamping processing inferior pulley from the surface, the work is rough, no smooth, sliding up inflexible, small and light.