How is the manufacture of steel doors?

Usually, making steel doors It occurs in several main stages, each of which, it is worth noting, occurs in separate workshops of rather large enterprises. Often, the manufacture of the most ordinary canvas without any surplus occurs in 4 stages.
1. Preparation of metal for the manufacture of steel doors. As a rule, at this stage, the metal is sorted, according to the brand, the swimming number, as well as the characteristics of the steel. At this stage, there is also the editing of the metal from deformation, cleaning it from corrosion plaque and scale. The stage of the preparation of the metal also includes its marking, cutting and preliminary docking of profiles.
2. Processing of parts. This stage of production of steel doors includes metal flexion, as well as its sawing and drilling various kinds of holes according to the requirements of the drawing agreed with the customer. It is worth noting that all work is carried out on high -precision equipment, which in turn allows you to achieve very high indicators of the quality of the canvas.
3. Assembly. At the stage of assembly of steel entrance doors, the assembly itself occurs directly, during which all defects are revealed, as well as welding the parts together. After welding, the canvas is cleaned of various kinds of wounds, slag and metal onslays.
4. Coloring. Before painting, the steel door leaf is degreased, cleaned and dried. The coloring process occurs using automatic pneumopulvelizers, which in turn allows you to achieve very high surface quality.
5. The equipment with fittings. This stage is final and involves the installation of various accessories, ranging from locks to eye.