警示带又称为埋地警示带或管道警示带，是以PE膜作为基带，凭证设计要求举行版面印刷而成的一种用于避免埋地管道被误开挖的警示产品，其很基础的也是很主要的生产环节就是吹膜，下面厂家就为各人先容一下其他方面的主要环节。
Warning tape, also known as buried warning tape or pipeline warning tape, is a warning product used to prevent buried pipelines from being excavated by mistake, which takes PE film as the baseband and and is printed according to the design requirements. Its basic and important production link is film blowing. The following factory will introduce other important links for you.
1、质料选购
1. Purchase of raw materials
警示带生产主要质料即为PE原生颗粒，选购历程中要凭证石油、自然气行业相关关于警示带的手艺要求举行对应选材，质料纯净，无其它杂质添加，不然会影响警示带的抗拉及抗撕裂强度。
The main raw material for the production of warning tapes is PE primary particles. During the purchase process, the corresponding material selection should be made according to the technical requirements of the oil and natural gas industry for warning tapes. The raw materials are pure and no other impurities are added, otherwise the tensile and tear strength of warning tapes will be affected.
2、生产前配料
2. Pre production ingredients
为了增添警示带的横、纵向拉伸要求，一样平常会增添一定比例的线性子料，不可多也不可少，多了本钱拉加，少了则强度不敷。
In order to increase the horizontal and vertical stretching requirements of warning tapes, a certain proportion of linear materials will generally be added, which cannot be more or less. If the cost is more, the strength is not enough.
3、质料烘干
3. Raw material drying
质料烘干了是较量主要的环节，生产材需要对进料举行5-8小时的烘干，温度要控制合适，烘干历程中要随时视察含水率，若是质料含有水分，天生生来的产品质量一定缺乏格。
The drying of raw materials is an important link. The production materials need to be dried for 5-8 hours. The temperature should be controlled appropriately. During the drying process, the moisture content should be observed at any time. If the raw materials contain moisture, the quality of the products produced must be unqualified.
4、吹膜机�？诳刂�
4. Mold mouth control of film blowing machine
可探测警示带在半制品时为桶状，需要分切才华成为印刷前的半制品，以是一定要控制好�？�，不然会出来警示带宽度及厚度泛起误差，上差则本钱增添，下差则达不到客户要求。
The detectable warning tape is barrel shaped in semi-finished products and needs to be cut to become semi-finished products before printing, so we must control the die mouth, otherwise there will be deviation in the width and thickness of the warning tape, the upper difference will increase the cost, and the lower difference will not meet the customer's requirements.
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