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How does a core key work?

Published in Lock Mechanisms 2 mins read

A core key (more accurately, how a key core works) allows the correct key to turn and open a lock. Let's explore the mechanics involved.

What is a Key Core?

The key core is a critical component within a physical lock. It's the circular cylinder where you insert your key. According to provided information, the key core contains the mechanism that distinguishes the correct key from all others.

The Inner Workings: Pins and Keys

The magic happens inside the core. Here's a breakdown:

  • Pins: Inside the key core are several pins. These pins are strategically positioned.
  • Key Insertion: When you insert the correct key:
    • The key's ridges and valleys align with and lift the pins to specific heights.
    • When all pins are lifted to the correct positions, a shear line is created, allowing the core to turn.
  • Incorrect Key: If an incorrect key is inserted:
    • The pins are not lifted to the correct positions.
    • The shear line is not created, and the core cannot turn.
Component Function
Key Core Holds the pins and allows key insertion.
Pins Aligned by the key to allow the core to turn.
Correct Key Lifts pins to the correct positions.
Incorrect Key Fails to align the pins correctly.

In essence, the core key mechanism uses a precise arrangement of pins that must be perfectly aligned by the correct key for the lock to open.

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