【3D Printing Application】Forgot Your Password and Can't Open It? A Deep Dive into Combination Lock Structures!
Why can't a lock be opened when you forget the password? The principle of common combination locks is actually very simple. Ultimaker 3D printer will show you a practical demonstration, a detailed analysis of its structural principle, and you can even change the password yourself! Download link included at the end of the article!
Using the Ultimaker S3 3D printer with Tough PLA filament, which has greater hardness than ordinary PLA, and is resistant to delamination and warping, making it suitable for products requiring post-processing.
The internal structure of the combination lock mainly consists of a cane-shaped shackle and four small parts with numbers. The shackle has four protruding pegs. When the password is incorrect, the number dials will jam the lock, keeping it in a locked state.
When the password is set to incorrect numbers, the protruding pegs will obstruct the number dials, preventing the pegs from being removed.
When the security lock is turned to the correct password, the protruding pegs can precisely pass through the internal grooves of the number dials, allowing the pegs to be smoothly removed and unlocked!
The 3D file for the combination lock includes numbers 0-9. The password for the security lock demonstrated here is 5719. After printing, you can choose your preferred numbers as the password, assemble all the parts, fasten the screws, and your personalized combination lock is complete!
(When rotated to the correct password, the security lock parts can be smoothly removed and unlocked.)
Using 3D printing technology allows for quick and low-cost prototype production. Users or manufacturers can save budget during testing and shorten delivery times before production, avoiding design errors in preliminary work and efficiently completing samples that meet requirements.
(After the 3D printed combination lock is complete, it can be tested on locked items, and the size can be adjusted and tested as needed.)
Did you enjoy this share? With an Ultimaker 3D printer, you can unleash your imagination and apply it widely in various fields. Contact us now to learn more about 3D printers.
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