What are the production processes and main materials of indoor door locks?

The indoor door lock is familiar to many people. It can be seen in bedrooms, offices, schools and other places. Although the indoor door lock is very common, what are its main materials and production processes? Many friends do not know about it. Today, Zongyi door lock manufacturers bring large families to learn about the production process and materials of the indoor door lock to help people better understand this product.


1： Production process of indoor door lock


(1) Die-casting

Die casting refers to the casting of raw materials according to the mold shape. After this process, the door lock can produce a rough shape, such as a round handle and a straight handle. The equipment used is a large die-casting machine.


(2) Polishing

After die-casting, the product will be sent to the polishing workshop for further polishing to remove the edges and corners of the surface, so that the product surface is smoother without scratches, burrs, etc.


(3) Plating/Chlorination/Painting

After polishing, the products are sent to the electroplating workshop. Some low-grade door locks use spray painting or oxidation process. Put the products into the electrolyte for color plating. After this process, the door locks will be plated with various colors, such as gold, black, gray, etc. The surface is smoother and the touch is better.


(4) Assembly and quality inspection

The assembly workshop will assemble and box the produced door handles, lock cylinders, lock bodies and other accessories. Of course, these accessories meet the standards after going through the quality inspection workshop. After assembly and quality inspection, the products will be sent to the warehouse, classified and later sold to the market.


2： Introduction to main materials and advantages of indoor door locks


(1) Stainless steel indoor door lock

High hardness, oxidation resistance, rust resistance, tough and generous design, widely used in engineering projects, common simple style, color of stainless steel, gold, black, etc., long service life.


(2) Zinc alloy indoor door lock

Zinc alloy indoor door locks are widely used in the market. They prefer home decoration, with beautiful appearance and rich styles. There are many styles, such as minimalist, Chinese, American, European, etc. Zinc alloy materials are suitable for electroplating, and there are many colors, such as gold, black, brushed black, yellow copper, bright chrome, which are favored by consumers.


(3) Aluminum alloy indoor door lock

Aluminum alloy is low-carbon, environment-friendly, pollution-free, high plasticity, easy processing and recycling, low cost, affordable, and can produce products of different styles and colors according to customer needs.


Conclusion: The above is an introduction to the production process and main materials of indoor door locks. For more information about hardware locks, please contact Zongyi Lock Co., Ltd.