T/ZJGS 05-2017 Round-shaped blade lock

Scope

Scope: This standard specifies the terms and definitions, product classification, requirements, test methods, inspection rules, and marking, packaging, transportation, and storage for circular blade padlocks (hereinafter referred to as padlocks). This standard applies to circular blade padlocks (hereinafter referred to as padlocks); Main technical content: 5.1 Flexibility 5.1.1 Locking operation: The padlock should be easy to open. The key locking torque M1 shall not exceed 1Nm, and the lock beam should be able to open. When the lock beam is in the open state, the key should not be able to be removed. 5.1.2 Key insertion and removal force: The key insertion and removal force shall not exceed 12N. 5.2 Strength 5.2.1 Tensile strength of the lock beam: Tested according to 6.3.1, the lock beam should withstand the tensile force F1 specified in Table 3 without being opened. 5.2.2 Torsion strength of the lock beam: Tested according to 6.3.2, the lock beam should withstand the torsion moment M2 specified in Table 3 without being opened. 5.2.3 Anti-shearing of the lock beam: Tested according to 6.3.3, the lock beam should withstand the shearing force F2 specified in Table 3 and not be cut off. 5.2.4 Impact resistance of the lock body connection: Tested according to 6.3.4, the lock body connection should withstand the impact force specified in Table 3 without being opened. 5.2.5 Anti-sawing of the lock beam: Tested according to 6.3.5, the lock beam of the padlock should reach the anti-sawing time t1 specified in Table 3 and not be sawed off. 5.2.6 Anti-impact opening: Tested according to 6.3.6, after the specified number of impacts in Table 3, the lock should not be opened. 5.2.7 Drop resistance: The padlock that falls from a height of 1.8m should still be able to function normally and not have broken lock beams or cracked lock bodies. 5.2.8 Anti-prying of the cover: Tested according to 6.3.8, after the specified anti-prying time t2 in Table 3, the lock should not be open

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