电动卷帘门质量如何辨别？

1. The grade of electric rolling shutter door is based on the index of anti damage time, plate thickness, etc. According to the new standard, the security level of anti-theft is adjusted to four levels, namely "a", "B", "C" and "d", and the level of "a" is advanced, and then decreases. The anti damage time of the electric rolling shutter door is also decreasing step by step, and the low level D is as little as 6 minutes.

2、电动卷帘门的门扇，门扇的钢质板材厚度。甲、乙、丙、丁级分别应达到2毫米、2毫米、1.8毫米和1.5毫米。钢板的厚度直接关系到电动卷帘门防盗性能。好的钢质电动卷帘门骨架中有石棉等具有防火、保温、隔音功能等填充材料。

2. The door leaf of electric rolling shutter door, the thickness of steel plate of door leaf. Grade A, B, C and D should be 2mm, 2mm, 1.8mm and 1.5mm respectively. The thickness of steel plate is directly related to the security performance of electric rolling shutter door. Good steel electric rolling shutter door skeleton has asbestos and other filling materials with fire prevention, heat preservation, sound insulation functions.

3、电动卷帘门标记。新标准还增加了可以帮助消费者识别电动卷帘门真伪的内容，就是要求电动卷帘门应有永 久性固定标记。电动卷帘门标记共由3部分组成，标记符号为拼音字母，从左到右分别为防盗门代号（fam）、防盗级别和企业自定义特征（包括企业代号和产品代号两部分）。其中，防盗级别标记永 久固定在内侧铰链边上角距地面高度160厘米左右的位置上。而“金属门”、“钢制门”、“进户门”等均不是电动卷帘门，提醒消费者在采购电动卷帘门的时候要仔细辨别。

3. Electric roller shutter door marking. The new standard also adds the content that can help consumers identify the authenticity of the electric roller shutter door, which requires that the electric roller shutter door should have a permanent fixed mark. The mark of electric rolling shutter door is composed of three parts. The mark symbols are Pinyin letters. From left to right, they are anti-theft safety door code (FAM), anti-theft safety level and enterprise custom features (including enterprise code and product code). Among them, the anti-theft security level mark is permanently fixed on the position of 160 cm above the ground on the inner hinge edge. And "metal door", "steel door", "door" are not electric roller shutter door, remind consumers to carefully identify when purchasing electric roller shutter door.
              

4、观察电动卷帘门的结构是否精 密，润滑程度好坏，好的电动卷帘门散热比较，采用全齿轮转动，无链条、无皮带，进而增强了卷帘门机芯整体寿命。

4. Observe whether the structure of the electric rolling shutter door is precise, the lubrication degree is good or bad, good electric rolling shutter door heat dissipation comparison, using full gear rotation, no chain, no belt, thus enhancing the overall service life of the rolling shutter door movement.

5、电动卷帘门锁具。电动卷帘门有自锁、防撬的功能。按新标准规定，电动卷帘门的锁具应能在防破坏时间内，即使钻掉锁芯、撬断锁体连接件从而拆卸锁具或通过上下间隙伸进撬扒工具，松开锁舌等，也无法打开门扇；门框与门扇间的锁闭点，按照防盗级别甲、乙、丙、丁应分别不少于12个、10个、8个和6个；电动卷帘门主锁舌伸出有效长度应不小于16毫米，并应有电动卷帘门锁舌止动装置。

5. Electric rolling shutter door lock. The electric rolling shutter door has the function of self-locking and anti prying. According to the new standard, the lock of the electric rolling shutter door should be able to open the door leaf within the anti damage time, even if the lock cylinder is drilled out, the lock body connector is pried off to remove the lock, or the prizing tool is extended through the upper and lower clearance, and the lock tongue is loosened; The number of locking points between the door frame and the door leaf shall not be less than 12, 10, 8 and 6 respectively according to the security level a, B, C and D; The effective extension length of the main lock tongue of the electric rolling shutter door shall not be less than 16 mm, and there shall be a stop device for the lock tongue of the electric rolling shutter door.

6、购买时还应注意“防盗门”的“FAM”标志、企业名称、执行标准等内容，符合标准的门才能既又可靠。

6. When purchasing, we should also pay attention to the "fam" sign, enterprise name, executive standard and other contents of the "anti-theft safety door". Only the door that meets the standard can be safe and reliable.

7、为了提高电动卷帘门运行平稳程度，要增强拉力，不能存在惯性滑行的现象，要具有双面自动卡锁功能。

7. In order to improve the smooth operation of the electric rolling shutter door, it is necessary to enhance the tension, avoid the phenomenon of inertial sliding, and have the function of double-sided automatic locking.