Combination Lock MIM Parts

Product Introduction

Combination lock design structure

• Multi-dial 

Password

The simplest Combination lock MIM Parts, commonly used in low-security bicycle locks, uses multiple dials. There is a recess in the middle of each circle. A shaft in the center of the lock has several protruding teeth, which are used to block the dial ring. When the dial turns to the correct password combination, the lock can be opened. This lock is the easiest to open. Many of these locks can be opened without knowing the combination at all. Unless its internal components are perfectly built, just pull the shaft out and one of the teeth will tighten the dial more than the other. At this time, move the tightened dial until a small "click" sound is heard, indicating that the tooth has entered the correct concave position. Repeat this step, and soon the lock can be opened.

• Turntable 

Password

The combination lock that is used on padlock or box million can have only one rotating disk. The turntable drives several balancing discs or cams on the back. It is customary to turn the turntable clockwise to the first number and then counterclockwise to the second number when opening this lock, and so on until the last number. There is usually a recess on the cam, and when the correct code is turned in, everyone is in a straight line, and the lock can be opened.
This combination lock is more secure, but not without its drawbacks. For example, some password padlocks can tighten the lock head, and then turn the dial until it can no longer move, so that the password can be found out. There is also a specific relationship between the numbers of some turntable combination locks, which greatly reduces the possibility of combination of passwords. Inexpensive combination padlocks can be opened with special linings without using a combination.
The structure of the combination lock used on the box is relatively strict. An experienced locksmith can use the earpiece to carefully listen to the sound of the cam inside the lock while rotating the turntable to judge possible passwords.

• Mechanical
Mechanical combination locks are more stable, durable, and do not require a power source. However, the operation method is relatively slow to learn, inconvenient to operate, and professional personnel are required to change the password.

• Electronic
The electronic combination lock has the advantages of fast operation, relatively simple and random modification of the password, and the lock can be unlocked only by inputting numbers from 0 to 9. Although the price of electronic code locks has dropped and the quality has improved in recent years, they are not as stable and durable as mechanical codes because they are more complicated.

• Swipe card
The card swiping combination lock can use your own IC card to open the door of the safe. The operation is simple, but the requirements for the IC card are relatively high. If the IC card comes into contact with a strong magnetic object, the magnetism of the IC card may weaken and the combination lock cannot be opened.

• Fingerprint
It is difficult to find the same fingerprint in this world, so the fingerprint identification technology is applied to the safe, which has strong confidentiality and is easy to use. However, the opponent's dry humidity requirements are relatively strict! The recognition of the position of the finger is also relatively rigid! Even if it is the same finger, if it is placed in a different position before entering the fingerprint and before opening the door, the recognition may fail!

• Other styles
Some locks have a numeric keypad that is keyed in a sequence of numbers to unlock. This type of lock is electronically controlled and is commonly found in offices. The advantage is that it is only necessary to tell the employee the password, and there is no need to copy the key. However, if someone tells the password to outsiders, the lock will be useless. Therefore, the password of this type of Combination lock MIM Parts needs to be changed frequently. This kind of lock has 3-6 passwords, which is extremely confidential.

• Expanded information: Qing Dynasty Poetry Combination Lock 

Idiom password lock

The poetry combination lock of the Qing Dynasty is small and exquisite, only five centimeters long, but it has both the functions of a lock and a combination, which is quite exquisite. Although it belongs to the combination of poetry and prose, it is simply an "idiom lock". There are four swivels engraved with Chinese characters on the lock, just like the current combination disk. Only then can the lock nose pass through, and then turn it again casually. Even if a person who does not know the password gets the key, he will not be able to open the copper lock, which is very miraculous.
The words on the swivel ring of this lock are not uncommon. I tried to turn it, and after many times of debugging, I finally found out that the unlocking code of this lock is "Life, Nianfeng".
The types of ancient Chinese locks are roughly divided into two categories: reed structure locks and word combination locks. Among them, the reed structure lock can be divided into four types: wide lock, Citi lock, torture lock and jewelry lock. Most of them are horizontal locks and are used for doors, cabinets and boxes. In terms of word combination locks, there are not only poetry combination locks, but also idiom combination locks, heavenly stems and earthly branch combination locks, and name and business combination locks. What they have in common is that several swivel rings engraved with Chinese characters are used to fit the lock body. Only by turning the swivel rings to form a hidden multi-character saying or poem can the lock nose pass through and can be opened. For example, there are implicit couplets such as "He Mei Zhu Gui Ding", "Double Bow Shou Xi", "Golden Wan Liang" and so on.
The craftsmanship and modeling of this kind of lock are also reflected in the characters in regular script, cursive, line, official script and seal script, and the calligraphy is full of charm; the small planes at both ends are decorated with lion heads, tiger faces, Buddha statues, blessings and longevity, and gourds. etc., making the ordinary locks integrated into the artistic cells, so it is full of aesthetic feeling.

Metal Injection Molding Process

Detection Systems