Gelmen Door And Window Threading Equipment Technical Explanation

Gelmen door and window threading equipment technical explanation

Steps for threading doors and Windows，here are three steps - opening, threading and rolling

The opening tooth is to use the opening machine to roll out the tooth mark on the aluminum profile to wear the heat insulation strip notch, the purpose is to increase the roughness of the groove through the strip so as to improve the friction force of the aluminum and the heat insulation strip combined together, also called shear force, which is equivalent to the "tooth" biting the heat insulation strip.