We are a window hardware manufacturer, mainly producing hardware doors and windows. What is the role of door and window hardware?When the inner casement window is under positive... moreWe are a window hardware manufacturer, mainly producing hardware doors and windows. What is the role of door and window hardware?When the inner casement window is under positive wind pressure; the hardware lock points are stressed, so multiple lock points should be adopted. The more locking points, the smaller the force applied by each locking point to the middle leg, and the smaller the relative deflection of the deformation.When the inner casement window is under negative pressure: the frame is stressed.When the outer casement window is under pressure: the locking point is stressed, so multiple locking points should be adopted. The more locking points, the smaller the force applied by each locking point to the middle leg, and the smaller the relative deflection of the deformation.When the outer casement window is under positive wind pressure: the frame is stressed.It can be seen from the above that the role of hardware accessories on the first performance of doors and windows, wind pressure... less