粉體塗裝須知Powder Coating

綠色環境Green Environment

雖然粉體塗裝被認為低汙染的表面處理,但本公司還是希望可逐年降低汙染量,有善對待我們的環境,像是前處理所產出的廢水是透過廢水回收循環系統,再次利用廢水,達到零排放;而旋風式分離粉末回收系統(ZYL)將粉料回收率提高,降低廢粉的產量;同時利用乾淨能源天然氣提供熱源,且所排出的廢氣皆經由專業氣體處理設備才排出,不同於一般傳統烤漆廠將氣體直接排出。本公司秉持取之於社會,用之於社會,與社會環境共存的公司一直是我們努力的目標。

Although powder coating belong to low pollution surface treatment, we still hope to reduce the amount of the pollution year by year to treat our environment friendly. We have installed the wastewater recycling system, which recycles the wastewater from pre-treatment to get zero emission, the recycling cyclone separator, to reduce the production of waste powder, using clearly energy natural gas to give energy, and professional air processing equipment, which can clear the waste air. Our spirit is “Take it from society and give it back to society”. It’s our goal to get along well with our environment.

前製程Pre-treament

前置處理在烤漆程序中是非常重要程序,此程序主要是將粗胚做脫脂與除鏽處理過程。鋁、鐵金屬粗胚經壓鑄、沖壓、運輸、存放以及其他製造的過程,粗胚表面常產生難以清除的油汙或生鏽的狀況。為提升粗胚與塗層之結合度與抗蝕度,粗胚塗裝前需將之徹底清潔。

前處理製程可分為噴淋式、浸游式及浸泡式,本廠採用噴淋式處理方式,主要是脫脂與皮膜處理之程序。本公司的前置處理的距離有70公尺長,長距離的清洗設備適用於不同性質與體積的待加工產品,且每周安排保養所有前處理設備,有效提升清洗效率。

Pre-treatment process, which removes the oil and corrosion from the material, is essential to powder coating. The surfaces of aluminum and metal material usually have many problems such as oil, dirt, lubrication greases, metal oxides, welding scale etc, and these problems are made by the casting, stamping, delivery, storage and other process. In order to improve the combination of material and anti-corrosion ability, it needs to be completely removed the oil and dirt out before coating. Therefore, we know the pre-treatment is very important in the powder coating process.

Pre-treatment usually divided into spray, bathing and submersion application. In Shan Jie, we use the spray application in our pre-treatment, which is the 70 meter length process of degreasing and phosphating. In addition, the advantage of long pre-treatment line can apply variety of material and size products. As well as, we maintain the equipment in pre-treatment every week for improving washing efficiency.

烘乾Drying

第一次的烘乾過程主要將前處理的水分除去,通常以紅外線爐或熱風循環爐烘乾水分。本公司主要使用熱風循環爐,將前置處理的水在120℃至150℃狀況烘乾及粗胚加熱,預熱可增強粉體塗料的附著效果。

The first drying process is removing the water from the material after pre-treatment. Usually, there are infrared ray furnace and hot air circulation drying furnace. We use the hot air circulation drying furnace to dry the water from the material with 120℃to 150℃ and heat the material to improve the effect of combination between powder coating and material.

噴塗前檢查Examination before powder application

粉體塗裝的過程會因為產品的整體設計,例如電子連接點、結構接合處等特殊需求,而必須將粗胚做防塗的措施。因此,如何在塗裝前確實將指定區域做好防塗措施為粉體塗裝技術一大核心焦點。本公司主要是依據粉體樹脂類型及粗胚材質選擇適合的防塗方式,一般可透過耐高溫防塗膠帶(480℉ (250℃))、防塗栓塞和防塗護蓋達到避塗的效果,也可配合客戶粗胚及防塗要求,設計相對應之吊架及防塗栓塞,並依據客戶特殊膜厚及功能要求,達到均一膜厚與完善功能之高品質成品。

Powder coating process needs to prevent coating on some parts of products because of product design such as the electric connection or connection of structure. Therefore, it’s an important part of powder coating, how to completely prevent the powder to absorb on the right part. Therefore, we will dependent on the powder types and the materials to choose the suitable way to avoid the powder. In general, we can use by high-temperature tape (480℉ (250℃)), high-temperature stopper and lid to avoid powder efficiently. Even more, we can help customer to design customized hanger and stopper for their requirement as well as the thickness. If customers need to thin or thick, we will give our customer high quality service.

噴塗Spray

本廠主要是以半自動化噴塗設備與旋風式分離粉末回收系統(ZYL),此款設備因為半自動化可克服對於物件本身設計的死角,再加上旋風式分離粉末回收系統特性,可迅速且效率轉換顏色,達到客製化的需求。同時,也因為使用旋風式分離粉末回收系統提高粉末回收且降低環境汙染。

最大噴塗尺寸: 長度最大規格:3600寬度最大規格:1000 高度最大規格:1800 (mm)

We use the semi-automatic spray equipment and recycling cyclone separator (ZYL). We can overcome the dead angle since use the semi-automatic. Moreover, the specialty of recycling cyclone separator is quickly and efficiently changing color. At the same time, it can improve the powder recycle and reduce the pollution since we use the recycling cyclone separator.

Products Size: Maximum Length:3600 Maximum Width:1000 Maximum Height:1800 (mm)

烘烤(定型)與冷卻Curing

附著粉的物件會進入烤爐,基本溫度範圍在200℃與烘烤時間15~20分鐘,視粉料特性與物件材質厚度而調整烘烤條件,接著就沿著生產線降溫。

When the spayed materials go into the oven, the temperature is 200℃ and the time between 15 to 20 minutes. And then, it will be cold down on the conveyor. However, we will change the condition of oven according to the powder’s specialty and the product’s material.

品檢與出貨Examination and Delivery

一般完成烤漆的物件會檢視其顏色、膜厚與外觀完整度,如有其他的需求如:百格測試、鹽霧測試、硬度測試等,皆能配合其不同需求。高品質的管理和客戶滿意度是山杰一直以來所堅信的理念。

We inspect the color, thickness and surface after powder coating. If customers need other tests such as cross hatch test, salt spray test and hardness test etc, we will help them and achieve their needs. High quality management and servicing customer are always the firmly concepts of Shan Jie

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