Articles

Here are some the required things in the process of lock polishing: (1) Nitrate: serves for passivating and polishing. It directly affects the polishing speed and quality. When the concentration and reaction speed is low, the surface gloss will be poor and deposit thick stuffs on the pan after polishing....

The lock users may find that the dead lock phenomenon sometimes occurs, but it doesn't happen in the use of carbon steel set. Is it because stainless steel is relatively soft, while the carbon set is relatively hard? That's right! That is the real difference between stainless steel and carbon...

Most people have no idea that lock needs to be maintained. Generally, when the lock doesn't work out, they choose to change a new one. In fact, the service life of locks can be greatly extended under proper maintenance. Then you will learn some lock maintenance knowledge. Firstly, people...

According to different standards, locks can be divided into different types. First, according to the types of lock: 1. Padlock: divided into copper padlock, iron padlock and password padlock. Its main specifications are 15, 20, 25, 30, 40, 50, 60 and 75 mm. 2. Drawer lock: divided into all-copper...

When choosing lockset, people are often worried about that locks are not durable or soon rust and oxidize on the surface. This problem can directly influence the materials and surface treatment. Now let's introduce different lock materials from different perspectives. From the perspective...

This technical article introduces some general knowledge of door locks, including its category, selection matters and install methods. Categories 1. Anti-theft lock. Exterior entry door is the divide of home and outdoor. It must have the function of insurance and security. The door is usually consisted...

Reasons for hardware breakdown: Incorrect hardware accessories, which brings to poor quality; there is no metal plate at the fastening, which results in poor installation strength. General hardware damages are: insecure hardware fittings fixation, mobility, the damage of pulley and friction hinge, and...

There are many classifications, complex hardware locks materials and processing technologies in the market and different standards or specifications, the following gives a simple instructions about how to choose the hardware locks. 1. Locks materials The lock material on the market can be basically...

With the rapid development of pillar industries, such as house, car, high-grade office buildings and hotels etc., and national defense, public security, finance and other systems growing demand for high defensive locks products, high-grade locks have a optimistic market outlook. Lock itself is a decoration,...

During normal application, if there is any dirt, you can use dry cloth to clear, but do not use chemicals such as detergent to scrub, which can damage the leakage protective film and cause fading. Don't use wet cloth to wipe the lock body and the handle, because some of the metal locks will rust;...

At the present market, the door lock is classified into class A and class B, super class B, etc. Consumers can identify its quality by billiard row number of locks. In general, rows cylinder locks are better than single one, and rows invisible lock is superior to the ordinary kind. The cost of B bolt...

This technical article introduces the maintenance methods for locks appearance and performance. The maintenance of locks appearance 1. During house decoration, please use plastic bags to seal lock handle, panels and other exposed parts, so as to avoid the lock parts surface treatment layer is covered...