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In the market, there will be many materials for interior door locks, such as copper, stainless steel, aluminum, aluminum alloy, etc. Each lock company says that it is good, which one is better? According to Liu Yan, manager of the hardware department of B&Q Sijiqingdian, the common materials for interior door locks are made of copper, stainless steel, aluminum, aluminum alloy, zinc alloy and iron. The materials are different and the characteristics are different.
Relatively speaking, the highest price is the copper lock, followed by the stainless steel lock, then the aluminum lock and the aluminum alloy lock, again the zinc alloy lock, and finally the iron lock. However, each material has a lock of high, medium and low grades, so there is also a case where the aluminum lock is more expensive than the stainless steel lock.
By visiting the market, the reporter found that the price of locks in small markets is about 1/2 cheaper than the formal market. Experts say that it is best not to buy locks in small markets. "The other party is likely to take the iron lock as a zinc alloy lock." If you want to tell if it is an iron lock, you can bring a magnet. If the magnet is attached to the lock, it means it is an iron lock.
Some merchants will use some alloy materials (such as nickel alloy locks to impersonate stainless steel locks, the obstacle method is to take out a lock, an alloy lock and a magnet, and "explore the shady" - "Do not take the iron lock Stainless steel locks sell, you see, this is the real stainless steel lock, how can the magnet not be sucked!" In fact, the real stainless steel material, in addition to being not adsorbed by the magnet, has a strong hardness and is difficult to be cut. The lock made of alloy is not absorbed by the magnet, but the metal shavings are cut after cutting by the cutter.
When you buy a lock, you will find that the lock tongue has several different shapes. How does this affect the installation and use of the lock? According to experts, each type of lock tongue has its own advantages and disadvantages. It is recommended that you buy locks that are produced according to national standards. The larger the locking tongue, the better the anti-theft performance, and the larger the opening, not only will increase the construction difficulty, but also the damage to the door. In addition, the service life of the two-way retracting bolt is shorter than that of the one-way retracting bolt, but the safety is relatively high, you can choose according to actual needs.
You can also examine the workmanship and quality of the lock from the following aspects.
Appearance - the brighter, smoother, no bubbles, the better.
Handle - You can press down on the handle and release it to see the resilience of the handle. The stronger the resilience, the better the spring inside and the longer the service life.
Lock tongue - mainly depends on the manufacturer's workmanship is not fine, if the lock tongue and the lock tongue mouth have no obvious gap, indicating that the work is better; if the lock tongue and the lock tongue mouth gap is large, or even obvious looseness, indicating that the manufacturer does not work Careful, its quality is also general.
â– Characteristics of different material locks
Copper lock
Wear-resistant, soft material, so there are many styles, bright color, good feel, but the price is particularly high.
Stainless steel lock
Good strength, wear resistance, and color are not easy to change.
Aluminum lock or aluminum lock
Beautiful in style and soft in color. It is soft and light, has low material strength and is easily scratched.
Zinc alloy lock
More styles, more affordable, is the most cost-effective material. Although harder than aluminum, it is also afraid of being scratched by hard objects.
Iron lock
The strength is better, the cost is lower, and the plating is generally applied, but it is easy to rust, and the decoration has been rarely used now.
Hinge specifications depend on the door
Relative to the lock, the hinge material is less, the common materials are copper and stainless steel, the former is more expensive than the latter. Zhang Jiaoshun, a home consultant of the home sales department of Yuanzhou Group, introduced that from the structural point of view, the home decoration is usually a roller hinge. This hinge has a long service life and is not easy to generate noise.
How to judge whether the hinge is a roller? Experts introduced the judgment method: first remove the decorative caps at both ends of the hinge, use the hard object to push out the hinge of the hinge, split the entire hinge, pay attention to the material of the spindle, avoid buying hard plastic and other materials when the spindle is made. The hinge; secondly, observe the ring bearing of the hinge to see if there is a grain of steel inside, the description of the steel ball is the roller hinge.
How many hinges should a door be installed? According to experts, the number of hinges installed is related to the specifications of the hinges and the weight of the doors. There are three common specifications for hinges, namely, length and width are 4cm × 3cm × 3mm, 5cm × 3cm × 3mm, 4cm × 3cm × 2.5mm (less use in home decoration). If you install a solid wood composite door, it is recommended that you install three hinges with a size of 4cm × 3cm × 3mm, or if you install a light weight molded door, you can install two pieces of 5cm × 3cm. ×3mm hinge, if your home is equipped with an overweight solid wood door, it is best to use three hinges with a size of 5cm×3cm×3mm.
Editor in charge: Li Hui
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