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别墅锌钢护栏喷粉时的注意事项

发布时间:2020-10-15 15:59:46人气:

 如果要对锌钢护栏进行喷粉,喷粉的时候应该注意哪些问题,怎样进行喷粉才是最好的,作为专业的锌钢护栏厂家,小编和大家一起来学习一下怎么进行锌钢护栏的喷粉问题。

  喷粉过程中,要注意吊具的导电性,且吊具上的徐层不宜太厚,过厚时可采取集中焚烧的方法清除用具上的涂层;由于工件较重,一定要设计好挂具,要求挂具牢固可靠。

  采用预烘的目的:一是除去工件上剩余的水分,二是可以保证一定厚度的粉末涂料较好地附着在工件的表面,三是保证工件尽快均匀受热,加快固化过程一般预烘的温度是80—140℃。

  对于护栏产品,根据其特点,采用自动喷枪另加手工喷枪补喷相结合的形式,目的是实时监控喷粉质量,保证产品质量稳定。一般纯聚酚粉术涂料的固化条件是200℃,10min,通过调整加热炉的温度和链速来保证固化温度和时间。

  采用冷风吹干,在吹干的过程中,对工件进行检查,对于允许缺陷,如流挂、起泡、露底、缔孔等可用丙酮等稀释粉末涂料,趁工件未晾时涂程或喷覆于缺陷表面,用余热固化对于重大缺陷需要进行返修处理,根据涂膜厚度选取不同的处理方法,一般有直接上件重新喷粉、机械打磨、用脱膜剂处理三种方法。

别墅护栏

If you want to for zinc steel guardrail powder spraying, powder spraying, what should you pay attention to the problem, how to spray powder is the best, as a professional manufacturer of zinc steel guardrail, small make up together with you to learn how to zinc steel guardrail powder problem.

 

Powder spraying process, attention should be paid to sling the electrical conductivity, and on the spreader xu shoulds not be too thick, too thick can adopt the method of centralized burning when clear the coating on the appliance; Due to the workpiece is heavier, must design good hanging fixture, hanging fixture is firm and reliable.

 

Adopt preliminary drying purpose: one is to remove the workpiece on the remaining water, 2 it is to guarantee a certain thickness of powder coating well attached on the surface of workpiece, three is to ensure that the workpiece evenly heat as soon as possible, accelerate the curing process of general preliminary drying temperature is 80-140 ℃.

 

For guardrail products, according to its characteristics, the use of automatic spray gun plus the combination of manual spray gun for spray form, the purpose is to real-time monitoring of powder quality, guarantee the product quality is stable. General pure polyphenol powder coating curing condition is 200 ℃, 10 min, by adjusting the temperature of the heating furnace and the chain speed to ensure that the curing temperature and time.

 

Using cold wind blow dry, in the process of dry, examine artifacts, for allowing defects, such as flow, foaming, grinning, hole and usable acetone diluted powder coatings, such as the association TuCheng while artifacts not drying or spray coated the surface defects, use of waste heat curing processing for major defects need to repair, according to the different processing methods of coating thickness selection, generally have a direct on the powder spraying, mechanical grinding, deal with three methods with remover.

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