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Anonymous users2024-01-24According to the diameter of the tooth top circle to calculate the standard spur gear formula: D outside = mX (Z + 2) The gear modulus should be 2, wire cutting, should be based on the center of the gear, otherwise it will not be smooth when the gear rotates.
Indicate that your lock cylinder has been damaged, otherwise it is impossible to fall out of the spring - just replace a lock cylinder, and the price is not expensive!
1. When all the doors are opened, the door that is pushed inward is called the inward opening type, and the door that is pulled outward is called the outward opening type.
The lock cylinder of the anti-theft door varies greatly, the lock cylinder level is generally ABC, C grade is the best, the price is from more than 200 to more than 1000, depending on what you want, if in doubt, you can V: ctbj-zhao
Remove the lock cylinder, measure the exact size on the line, buy the same size when buying, the bias is not decided to open inside and outside, it is related to the handle and the lock plate, the door also has a bias lock cylinder, there is also a positive lock cylinder, as long as the length is accurate, but also buy the same good,
Refers to an anti-theft door with an anti-theft lock, a surveillance camera, a ventilation exhaust fan and a waterproof function. >>>More