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1. General requirements:
1.1 The surface treatment of all metal and wooden components shall be treated with anti-corrosion treatment. The paint shall have anti-rust primer, the surface of the paint layer shall be free from bubbles and paint slag, the color of the plating layer shall be uniform, and the coating shall not fall off.
1.2 The riveting of the folding gate should be made of high-strength rivets. The quality of the riveting should ensure that there is no obvious deviation of the centerline of the rivet.
1.3 In the area where the lock is installed, the keyhole shall be used as the center, and the anti-drilling steel plate shall be reinforced within a radius of not less than 100mm to prevent penetration of a hole in the door leaf, thereby disassembling the lock and opening the door leaf.
2, security level:
Various types of structural anti-theft security doors are classified according to the length of the weak 51-section net working hours that can withstand abnormal opening under the action of the prescribed destruction tools:
Flat open fully enclosed anti-theft security door flat open fence, folding fence type anti-theft security door
Class A: 15min Class A: 10min
Grade B: 30min Grade B: 20min
C level: 45minC level: 30min
3, door frame, door leaf size:
3.1 steel door frame production of steel, the thickness should not be less than 2mm.
3.2 When there is a keyhole in the steel door frame, the maximum fit clearance with the bolt (bolt) should not exceed 3mm
3.3 The overlap width between the door leaf and the door frame shall not be less than 8mm, and the clearance between the door leaf and the door frame shall not exceed 4mm.
3.4 The overlap width between the door leaf and the door frame shall not be less than 8mm, and the clearance between the door leaf and the door frame shall not exceed 4mm.
3.5 The clearance between the hinge surface of the hinge of the door leaf and the door frame should not exceed 2mm, and the clearance between the opening edge of the door and the fitting surface of the door frame should not exceed 3mm.
3.6 The gap between the surface of the hinge of the door leaf and the ground plane shall not be greater than 2mm, and the gap between the opening edge of the door and the surface of the door frame shall not exceed 3mm.
3.7 The dimensional tolerances of the door frame diagonals, door leaf dimensions and the dimensions of the door leaf meet the requirements of Table 1.
3.8 The anti-smashing device can be installed between the door frame and the door leaf or other parts. The device itself and the connection strength should be able to resist 9 shocks of 30kg sandbag without breaking or falling off.
3.9 The door blade shall not generate concave deformation greater than 5mm after 9 times of 30kg sandbag soft impact load.
3.10 Barrier-type anti-theft security doors shall be spaced not more than 60mm vertically or horizontally. The maximum area of ​​a single fence shall not exceed 250mmX60mm.
3.11 The thickness of the steel panel of the fence-type anti-theft security door installation lock shall not be less than 4mm, and the minimum dimension along the height direction of the door leaf shall not be less than 300. The dimension along the width direction of the door leaf shall ensure integral connection with the door leaf frame.
4, door hinges:
4.1 The door hinge shall support the weight of the door body. During the 90o opening of the door, the door body shall not be inclined, and the axis of the door hinge shall not generate more than 2mm displacement.
4.2 The door hinge should be flexible and flexible. The door body can be flexibly rotated 90o under the action of 49N tension. The hinge of the folding door leaf (or root) should be able to shrink and open under the action of 49N force, and its overall movement should be consistent. After the door leaf is folded, the difference between the two adjacent surfaces should not exceed 2mm.
4.3 The door hinge shall be able to withstand the impact force and enthalpy moment imparted to the hinge when the hinge is impacted or punctured by ordinary mechanical hand tools. In the specified time, the door hinge shall have no breakage. With welding, the welding must not be higher than the hinge surface.
4.4 At the junction of the door hinge and the door leaf, under the pressure of 6000N, the direction of force is the opening direction of the door. There should not be more than 8mm displacement between the door frame and the door leaf, and the door leaf surface should not generate concave deformation greater than 5mm.
Security door technical requirements:
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September 08, 2020