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阳光板厚度不变,减少克重有哪些不好的影响?

来源:http://www.wanzhongyue.com/ 日期:2021-02-20 发布人:julong 浏览次数:

济南阳光板厂家推出的各类阳光板,每一种都有它大致的使用寿命,事实上,阳光板的使用寿命并没有显示的那么长。这是什么原因?
Jinan sunshine board manufacturers launched all kinds of sunshine board, each has its approximate service life, in fact, the service life of the sunshine board is not as long as shown. What is the reason?
首先,好的PC阳光板尹具备以下优良条件。
First of all, a good PC sunshine board has the following excellent conditions.
一、应使用良好的聚碳酸酯原料,如拜耳;
1、 Good polycarbonate raw materials, such as Bayer, should be used;
二、不要添加回收材料;
2、 Do not add recycled materials;
三、要有防紫外线共挤层;
3、 There should be anti ultraviolet coextrusion layer;
四、按标准克重量生产。对于前面三点温室行业的同事们多有了共识,但对于第四点,由于温室行业对此问题不太关注,以及有的厂家包括一些知名品牌为了降低成本挤出一些每平方米克重更低的板材,但上下壁及立筋厚度就更薄,在温室制作中使用这种降克重阳光板会引起的很多危害。阳光板的相关标准中对产品的克重和壁厚是有严格要求的,减少克重的做法会与行业标准不符。
4、 It is produced by standard gram weight. For the first three points, colleagues in the greenhouse industry have reached a consensus, but for the fourth point, because the greenhouse industry does not pay much attention to this issue, and some manufacturers, including some international famous brands, squeeze out some plates with lower gram weight per square meter in order to reduce costs, but the thickness of the upper and lower walls and vertical ribs is thinner, the use of this kind of weight reducing sunlight plate in greenhouse production will cause a lot of risks Harm. There are strict requirements for the gram weight and wall thickness of the products in the relevant standards of the sunlight board, and the practice of reducing the gram weight will not conform to the industry standards.
五、减重后PC阳光板的不良后果:
5、 Adverse effects of PC sun board after weight loss:
1、抗冲击能力弱
1. Weak shock resistance
由于PC阳光板的厚度在克重减少后没有减少,直接的后果是上下壁和螺柱的厚度减少,这使得阳光板的抗冲击性降低。例如,常规双层中空阳光板8毫米的标准上壁厚度为400米,正常情况下的抗冲击性标准为10公斤铁球自由下落2米而不断裂。
As the thickness of PC sunlight plate does not decrease after the gram weight decreases, the direct consequence is that the thickness of upper and lower walls and studs decreases, which reduces the impact resistance of sunlight plate. For example, the standard upper wall thickness of a conventional double-layer hollow sunplate of 8mm is 400m, and the standard impact resistance under normal circumstances is 10kg iron balls falling freely for 2m without breaking.
标准的8毫米双层和10毫米双层钢板可以抵御一般冰雹的冲击。但是,如果8毫米双层上面板不符合上述技术规范,减重后8毫米阳光板的壁厚约为300米,将导致冰雹破坏。如果减重后的阳光板上下壁厚达到标准,其螺柱的厚度肯定会减小,螺柱主要起支撑作用。
The standard 8 mm double deck and 10 mm double deck steel plates can withstand the impact of general hail. However, if the 8mm double-layer upper panel does not meet the above technical specifications, the wall thickness of the 8mm sunlight panel after weight reduction is about 300m, which will lead to hail damage. If the upper and lower wall thickness of the sun plate after weight reduction reaches the standard, the thickness of the stud will certainly be reduced, and the stud mainly plays a supporting role.
如果螺柱厚度达不到标准,PC阳光板的抗雪荷载能力将会降低。阳光板由于其优异的隔热性能,雪不容易融化在上面。在高雪负载的情况下,克重减少的阳光板将不堪重负而断裂。、
If the thickness of the stud is not up to the standard, the snow load resistance of the PC solar panel will be reduced. Because of its excellent heat insulation performance, the sunlight board is not easy to melt snow on. In the case of high snow load, gram weight reduction of the sun plate will be unable to bear the heavy load and fracture. 、
2、保温系数低
2. Low insulation coefficient
降低克重的非标PC阳光板不能保证实验绝缘测试数据的准确性,也不能保证使用寿命的稳定性。热力计算和供热系统的基础将不计算,供热设备投资的基础将为空。这将大大降低整个温室的隔热性能
Reducing the gram weight of non-standard PC sunlight board can not guarantee the accuracy of experimental insulation test data, nor can it guarantee the stability of service life. The basis of thermal calculation and heating system will not be calculated, and the basis of heating equipment investment will be empty. This will greatly reduce the heat insulation performance of the whole greenhouse
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