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Technical Articles

Locks Expiration Date

Locks Expiration Date

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 is much higher than A, therefore, most of the lock brand products in the market are A lock. If the security door keys have one row of marbles, it may be A lock. If you feel it is not safe enough, yo...

The Maintenance of Locks Appearance and Performance

The Maintenance of Locks Appearance and Performance

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 with acidic or alkaline materials and gas erosion spots, and even delaminating phenomenon, which seriously affects the appearance quality of the locks. 2. During normal application, if there is an...

Locks Parts Processing Technic Analysis

Locks Parts Processing Technic Analysis

This technical article analyzes the processing technic of locks components from four points. 1. The materials of locks parts such as lock case, lock catch and cylinder are most iron casting. Their surface is rough, so we can use grinding wheel to polish it.   2. Polishing cylinder circle uses rag wheel of flat shape. Because of its concave and convex surface, we use new polishing cloth. At present polishing cloth is used mainly for well-distributed polishing. Wipe grease on the wheel and t...

Locks Polishing Materials and Their Functions

Locks Polishing Materials and Their Functions

This technical article introduces six materials used for locks polishing and their functions. Materials and their functions for polishing locks: 1. Secnidazole: in liquor, its function is passivation and polishing, which directly affect the speed and quality of polishing. When its concentration is too low, its reaction speed will be low too, the surface gloss is poor after polishing. While on the contrary, there will appear some pitting corrosion on the surface after polishing. 2. Phosphoric a...

Precautions for Locks Polishing

Precautions for Locks Polishing

This technical article illustrates the precautions before and after polishing for locks set. 1. The workpiece must go through the drying processing before polishing, in order to avoid that solution is diluted by water and therefore affect its glossiness. 2. After polishing, the workpiece should be put in at room temperature, dry 400~500 g/l nitrate or in the 100~200 g/l Lattice inebriate solution in a few seconds to 10 seconds to remove the surface metal. Except for mechanical prime light and c...

The Maintenance Methods of Locks

The Maintenance Methods of Locks

Although lock is a small hardware accessory, which is consisting in door and window hardware, it plays a most important role in our daily life. Therefore it is crucial to maintain it. 1. When the door lock is not easy to be opened or closed, you can spray some lubricating oil on the lock bolt. 2. Some kind of plug cannot be added fabricating oil, such as dual bead lock. 3. The door crack should not be too large, which may make it easy to open or make noise. 4. When the lock is not so easy to...

10 Notes Should Be Considered When Choosing Locks

10 Notes Should Be Considered When Choosing Locks

4 points to take into consideration for choosing seal or construct seal lock: 1. Reliable manufacturer. Do not choose some cheap products whose quality may not be always good enough. 2. Appropriate products. You should select the most proper type according to your purpose. 3. Compare the price between the same products, and compare the quality within the same price. 4. The attitude of pre-sale and after-sale servicer. The customer servicer of a professional producer must be a quality person. ...

What is A Motorcycle Disc Brake Lock

What is A Motorcycle Disc Brake Lock

What's A Motorcycle Disc Brake Lock? People may say motorcycle disc brake lock is a lock to secure motorcycle from being stolen. Yeah, it is right, but not exactly. A motorcycle Disc Brake Lock belongs to motorcycle lock, but it locks motorcycle brake. Normally, it can be classified into 2 types, one is motorcycle disc brake lock with alarm, and the other is motorcycle disc brake lock without alarm. Motorcycle disc brake lock is very convenient to use.   How to use motorcycle disc brake...

The Installation and Maintenance Methods of Daily Locks

The Installation and Maintenance Methods of Daily Locks

This technical article introduces some maintenance methods including the installation of locks in our daily life.   1. The Installation of Locks 1) This work should be done by experienced carpenter or someone who has much knowledge about it. Trepan according to the distance model in product specification, chisel supporting box, lock buckle and box hole to make the preparation for installation.   2) Inspect whether the hole is accurate and strictly follow the steps in the product instal...

Three Essential Points for Choosing Lock

Three Essential Points for Choosing Lock

This technical article tells us these following three essential points when choosing locks: operative standard, materials and surface treatment. 1. Operative Standard China has very strict standards towards hardware locks, so the quality of imported products is relatively high. We can judge the quality of locks by ourselves. In general, the quality of heavy locks is relatively high; there should be no sharp on the lock body, which may hurt people, especially the end of lock handle, lock body, a...