Drawing of wooden insulated double fire door (Class A)

Technical requirements: 1. The allowable deviation for the height and width of the door leaf is ± 2, the allowable upper deviation for the thickness of the door leaf is+2, and the allowable lower deviation is - 1, the allowable deviation for the height of the inner rabbet of the door frame is ± 3, and the allowable deviation for the width of the inner rabbet and the side wall is ± 2. 2. The clearance between the door leaf and the upper frame shall be ≤ 3mm, the clearance between the door leaf and the binding surface of the door frame, the clearance between the door leaf and the side with hinges/locks and the binding surface of the upper frame shall be ≤ 3mm, and the clearance between the door leaf and the lower frame shall be ≤ 6mm. 3. Diagonal dimension tolerance of door frame and door leaf ≤ 3mm; Door leaf distortion ≤ 5mm; The bending degree of door leaf width and height direction is less than 2 ‰. 4. Door frame section 5