Application and development space of electroplated fingerprint lock

A fingerprint lock in recent market upload uproar, compared to other similar products which are particularly subject to the user's attention, asked why only because the use of a more durable surface treatment process on the surface of the lock. When users usually purchase locks , they will worry that the locks are not durable or the surface will be oxidized and rusted. Therefore, the selection and surface treatment of the lock materials will be very important.

1, material

It is understood that manufacturers currently use stainless steel as the material of the lock. However, there are many kinds of stainless steel, which can be mainly divided into ferrite and austenite. Ferritic stainless steel is magnetic, commonly known as stainless iron. It will rust when the time is long and the environment is not good. Only austenitic stainless steel will not rust, and the more it is used, the brighter the color will not change. The identification method is very simple, and it can be identified by a magnet.

In addition to stainless steel, copper is one of the more widely used lock materials . According to Deng Wei, sales director of AssaAbloy project, due to the good mechanical properties of copper, corrosion resistance and processing performance are good, and the color is bright, especially the copper forged handles and other locks, smooth surface, good density, no porosity and blisters. It is both strong and rust-proof. It can be used for plating various surface treatments such as 24K gold or gold. It is magnificent, noble and generous, adding a lot of color to people's home. The Adil technician also said that part of the company's lock surface is also made of high-tech chrome-plated or pure copper surface nano-treated, the texture is good and durable, it will not fade after ten years of use, and can meet the requirements of modern and classical style decoration materials. .

In addition to these materials, there are some zinc alloy materials, aluminum or aluminum alloy materials. 'But the strength and rust resistance of these materials are much worse, but the advantage is that it is easy to make parts with complex patterns, especially for pressure casting. The more complex patterns of locks seen in the market are likely to be made of zinc alloy, which should be carefully identified by the user when purchasing. 'AssaAbloy project sales director Deng Wei suggested.

2, surface treatment

To prevent the lock from rusting, the manufacturer will surface the lock. Surface treatment refers to the technique of covering or forming a protective film on the surface of a part by metal electrodeposition (commonly known as electroplating), painting (called spraying), chemical oxidation (coloring) or other processing methods. The film mainly acts as a preservative, and at the same time increases the aesthetics and durability of the product, which is an important factor for directly measuring the quality of the product. Common methods for determining the quality of surface treatment include: cover thickness measurement, adhesion test, salt spray and moisture test, visual inspection, and the like. The coating can be applied by coating adhesion, hardness, moisture test and visual inspection.

According ADEL technical personnel, the company's hotel door lock cylinder surface and have adopted the most advanced PVD surface treatment technology, can protect the lock from the outside environment and natural climate, corrosion resistant, long life.

Lock machining process

The machining process of the lock is mainly aimed at the improvement of the lock core technology. 'Many manufacturers have made a lot of improvement work on the lock core part, and according to the user's needs to produce the product, which not only ensures the reliability of the product but also has a relatively rich function. Zhang Tanghui, chief lock expert of Hong Kong Lerong Group, said.

It is understood that the lock cylinder includes a combination of a diagonal tongue, an anti-plug oblique tongue and an anti-locking large tongue. 'The anti-plug oblique tongue adopts the rail-type design to fully solve the problem of non-insertion due to the gap after the door aging. The anti-locking large tongue contains two special tungsten steel columns, and its anti-destructive strength is increased by twice. 'The Adil technician said.

'In addition, according to the three-dimensional space three-dimensional motion principle, we adopt the rail type motion connection and the lock tongue lever anti-wear and assistive design. The whole lock core structure is simple (all parts are only 50% of the plane structure lock core), and the failure rate is low. To achieve a perfect unity of reliability, dexterity and security. 'Adil technicians added.

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