T/ZJGS 10-2020 Inserted core door lock head - Part 1: Bead structure gourd-shaped lock head

Scope

Main technical content: 5.3.1 The number of teeth on the key should comply with the requirements specified in Table 3. 5.3.2 The key interchangeability rate should comply with the requirements specified in Table 3. 5.3.3 The tensile strength of the lock cylinder shall be tested according to 6.4.4, and the lock cylinder shall withstand the tensile force F1 specified in Table 3. The lock cylinder shall not separate from the lock head. 5.3.4 The anti-drilling performance of the lock head shall be tested according to 6.4.5, and the lock cylinder shall withstand the anti-drilling time t1 specified in Table 3. After the test, the dial wheel cannot be rotated under a maximum torque of 5 N·m without the correct key. 5.3.5 The key strength shall be tested according to 6.4.6. After the key withstands the torsional torque M2 specified in Table 3, it shall not break. When the key is removed from the lock cylinder and reinserted, a torsional torque of no more than 1.5 N·m shall be applied, and the lock head shall open normally. 5.3.6 The lock head's resistance to pressure shall be tested according to 6.4.7. The lock head shall withstand the tensile force F2 specified in Table 3 and not break. 5.3.7 The durability shall be tested according to 6.4.8. The lock head's durability shall meet the corresponding requirements specified in Table 3 for n2. 5.3.8 The lock head's resistance to manual attacks shall be tested according to 6.4.9. The lock head shall withstand the manual attack time t1 specified in Table 3. 5.3.9 The anti-pick safety device shall be tested according to 6.4.10. The lock head shall meet at least one of the requirements specified in Table 3. 5.3.10 The lock head shall still function normally after falling from a height of 1.5m, and no breakage or cracking of the lock head shall occur. 5.4 Permissible deviations in conjunction with the door lock mechanism shall comply with the requirements specified in Table 4, see Appendix D (informative append

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