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锌钢护栏喷粉的必备策略

来源:http://www.kpp647.com添加时间:2017-01-09 16:42:14

锌钢护栏喷粉过程中,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go—140℃。

Zinc steel guardrail dusting process, should pay attention to the conductivity of the spreader and spreader on Xu layer shoulds not be too thick, too thick can remove the coating appliance which take the method of centralized incineration; due to heavy workpieces, must design the rack, rack requirements and reliable; the pre drying purposes: one is remove the remaining water, two is to ensure a certain thickness of the powder coating well attached on the surface of the workpiece three is as soon as possible to ensure that the workpiece is heated evenly, speed up the curing process of pre drying temperature is 140 DEG C - go。

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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。

For guardrail products, according to its characteristics, using automatic spray gun plus manual spray gun spray supplement combining form, to real time monitoring of the quality of the powder, ensure the stable quality of products. The curing conditions of the general pure phenolic powder coating are 200 DEG C, 10min, and the curing temperature and time can be ensured by adjusting the temperature and the chain speed of the heating furnace.

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。

The dry cold, dry in the process of inspection of the workpiece, to allow such defects, hanging, foaming, show, association hole with acetone to dilute the powder coating, while the workpiece is not dry when the coating process or spray coating on the defect surface with heat curing for major defects need repair, according to the thickness of the coating film selection of different processing methods, generally have directly on a re dusting, mechanical polishing, using three methods of stripping agent.

本文由山东铸铁护栏整理发布,您是不是对这些内容有所了解了呢?更多的内容请点击: http://www.kpp647.com我们会有更多精彩内容等你查看。

This article by the Shandong cast iron fence finishing release, you are not to understand the content of these more content please click: http://www.kpp647.com we will have more exciting content to wait for you to see.



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