近几年对于卷帘门的使用是越来越多，因为它不但使用方便而且在方面大家普遍可以接受，所以受到大众的欢迎，那我们在购买时对于它的质量方面也是比较担心的一部分，那我们怎样判断一个卷帘门的好坏呢？济南卷帘门厂小编为您解答。

In recent years, more and more rolling shutter doors have been used. Because they are not only convenient to use but also generally acceptable in terms of price, they are welcomed by the public. When we buy them, we are also worried about their quality. How do we judge the quality of a rolling shutter door? Jinan roller shutter factory Xiaobian will answer for you.

1、好的卷帘门的排水槽和气压平衡孔要以交错的位置来加工，这样可以不让冷风和灰尘的直接进入，组装严密的排水槽部分都配有密闭的盖子，这样可以不让雨水从孔中流入室内。

1. The drainage trough and air pressure balancing hole of a good roller shutter door should be processed in staggered positions, so that cold air and dust can not enter directly. The tightly assembled drainage trough is equipped with a sealed cover, so that rainwater can not flow into the room from the hole.

2、济南卷帘门的门窗所选用玻璃需要是平整、无水纹、安装稳固的，与塑料型材不能直接接触，要有密封压条贴紧缝隙。若是双玻夹层，夹层内应没有灰尘和水汽。

2. The glass used for the doors and windows of Jinan roller shutter door needs to be flat, free of water marks, firmly installed, and not in direct contact with the plastic profile. There should be sealing beads to close the gap. In case of double glass interlayer, there shall be no dust and water vapor in the interlayer.

3、好的卷帘门的推拉窗窗框下部应有铝滑轨，这样在日常维护中会提供很多方便，方便换，一般情况双滑轮的门要好于单滑轮的门。

3. The sliding window frame of a good rolling shutter door should have an aluminum slide rail at the lower part, which will provide a lot of convenience in daily maintenance and facilitate replacement. Generally, double pulley doors are better than single pulley doors.

4、观察卷帘门的外观颜色，如果是青白色是好的，颜色过白或发灰的话，这说明门的材质不好，材质的稳定成分不高，时间长了卷闸门会发黄。

4. Observe the appearance color of the roller shutter door. If it is cyan white, it is good. If the color is too white or gray, it indicates that the material of the door is not good, the stable composition of the material is not high, and the roller shutter will turn yellow after a long time.

5、卷帘门内应嵌用的钢衬是否是的，好的卷闸门的密封条会是平整、无卷边、无脱槽，胶条无气味的，好的卷闸门窗的压条、封条等辅助材料应要和主型材料配套。

5. Whether the steel lining embedded in the rolling shutter door is professional or not, whether the sealing strip of a good rolling shutter is flat, without curling and falling off, and whether the rubber strip is odorless, and whether the auxiliary materials such as the pressing strip and sealing strip of a good rolling shutter door and window should be matched with the main material.

6、卷帘门的声音：

6. Sound of rolling shutter door:

(1)门着地时其底部与地面碰撞时产生的声音。

(1) The sound produced when the bottom of the door collides with the ground when it hits the ground.

(2)齿轮转动时互相摩擦所产生的机械声音。

(2) The mechanical sound produced by the friction of gears when they rotate.

(3)帘片和门边缘之间的摩擦所产生的声音。

(3) Sound produced by friction between curtain and door edge.

(4)卷闸帘片之间的互相碰撞摩擦产生的声音。

(4) Sound produced by mutual collision and friction between roller shutter blades.

卷帘门质量好坏可以从哪些方面来判断？我们可以从这六个方面来进行判断，您有什么不明白的地方可以随时来我们网站http://zbfuguang.com进行咨询！

From what aspects can the quality of roller shutter doors be judged? We can judge from these six aspects. If you don't understand anything, you can come to our website at any time http://zbfuguang.com Consult!