Preservation density
Key different number of teeth
Should be in accordance with "People's Republic of China Light Industry Standard Ball Door Lock QB/T 2476-2000".
Interoperability rate
Should comply with the "People's Republic of China light industry standard ball door lock QB/T 2476-2000".
Lock tongue extension length
Should comply with the "People's Republic of China Light Industry Standard Ball Door Lock QB/T 2476-2000"
Pinball lock lock structure and other
Should have anti-dial measures, the fixed lock tongue should have anti-saw device.
After pressing the button, pressing the knob or knob, or rotating the insurance, it should be locked. When the locking device is permanently insured, the outer handle must be released with a key or emergency release device; the permanent safety locking device must be manually released.
The handle with the locking device, when the key is inserted into the rotation, the locking device should function, and there must be no failure.
The locking tongue with the safety column, when the locking tongue is pressed to the locking position, the locking tongue protrudes not less than 6.4 mm; the safety column protrudes not less than 5.6 mm.
firmness
Handle torque
According to the "People's Republic of China Light Industry Standard Ball Door Lock QB/T 2476-2000" (locked state and unlocked state) for smooth and counterclockwise tests, it can still be used normally.
Handle axial static pull
After Class A is subjected to 1400N and Class B is subjected to 1000N, it can still be used normally.
Hand radial load
After Class A is subjected to 1150N and Class B is subjected to 800N, it can still be used normally.
Lateral static load
Ball lock: After Class A is subjected to 2700N and Class B is subjected to 1500N; fixed lock: After Class A is subjected to 1900N and Class B is subjected to 1400N, it can still be used normally.
Axial static load after bolt safety
Ball lock: After Class A withstands 350N and Class B withstands 300N; fixed lock: After Class A withstands 500N and Class B withstands 350N, it can still be used normally.
Fixed lock knob
After being subjected to 500N static tension, it can still be used normally.
Fixed lock two screw holes
After bearing 1500N axial static tension, there is no damage.
Pull glove lock button
After being subjected to a static load of 300 N, it can still be used normally.
Various riveting parts for locks
No looseness, the parts and components should be tightly matched.
Service life
Ball lock: Class A is not less than 200,000 times; Class B is not less than 100,000 times. Fixed lock: Class A is not less than 100,000 times; Class B is not less than 60,000 times.
flexibility
The unlocking torque of the spherical handle and the fixed lock knob is not more than 1N·m, the unlocking torque of the L-shaped handle is not more than 3 N·m, and the unlocking force of the pull glove lock button is not more than 40N.
The key unlocking torque is not more than 1 N·m, and the opening rotation is flexible and there is no resistance to rolling.
The key pull out static pull should conform to the "People's Republic of China Light Industry Standard Ball Door Lock QB/T 2476-2000"
The locking tongue can be installed on the lock body positively and negatively, and its closing force is no more than 30N.
Lubricants should be added to the active parts of the lock.
Smco1:5 magnet is also named Smco5. Prorated with metallic samarium, cobalt and metallic praseodymium, are firstly those roughcasts with different properties and grades after series technology processing from melting, milling, and pressing to sintering in order. The (BH)max range is from 16 to 25, maximum working temperature 250 ℃. The physical character and ductibility of Smco5 is better than Sm2Co17, so Smco5 is slightly easier to be machined thin thickness disc or ring wall and complex shapes while Sm2Co17 is more brittle. Magnetization magnetic field of Smco5 is lower than Sm2Co17's. In general, Smco5 can be magnetized saturated by 4000Guass magnetic field. However, magnetizing Sm2Co17 with high Hcj value need more than 6000guass magnetic field. These days, prices of rare earth material improved significantly, and the level of rare earth material around the magnet is up to 40%. For these reasons, the price of Smco5 is more expensive than Sm2Co17. According to different using circumstance, customers can choose SmCo5 or Sm2Co17 reasonably.
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