鋁型材表面油痕特征:
　　Oil marks on the surface of aluminium profiles:
　　鋁型材老化前的油漬不清洗，老化后鋁水印表面的油漬、氧化后的黑斑及一定深度。
　　The oil stains of aluminium profile before aging are not washable, the oil stains on the surface of aluminium watermarking after aging, the black spots after oxidation and a certain depth.
　　鋁型材表面油痕產(chǎn)生原因:
　　The causes of oil marks on the surface of aluminium profiles are as follows:
　　(a):成品鋸切后鋁型材兩端油漬，移動(抬起)材料手套不干凈，甚至粘有石墨灰。
　　(a): After sawing the finished product, the two ends of the aluminium profile are greasy, the gloves of moving (lifting) material are not clean, and even stick to graphite ash.
　　(2):鋁型材拉伸時手套過長，鋸切時材料未取出。
　　(2) The gloves are too long when the aluminum profile is stretched and the material is not taken out when sawing.
　　手套很臟，在中間留下“記號”。
　　Gloves are dirty, leaving a "mark" in the middle.
　　(四)擠出設(shè)備及工具漏油(驅(qū)動車輛、提升皮帶)
　　(4) Oil leakage of extrusion equipment and tools (driving vehicles, lifting belts)
　　消除鋁型材油痕的方法:
　　Method of eliminating oil mark of aluminium profile:
　　(一):鋁材加工過程中，搬運(yùn)搬運(yùn)時手套應(yīng)保持清潔，及時清除油污。
　　(1) In the process of aluminium processing, gloves should be kept clean during handling and removal, and oil contamination should be removed in time.
　　(二):拉伸鋁時，取好材料。
　　(2) When drawing aluminium, take good material.
　　(3):搬運(yùn)物料時，抬取和移動手套及拉伸取料時，添加手套時應(yīng)分開。

　　(3) When handling materials, when lifting and moving gloves and drawing materials, add gloves separately.
　　(4)設(shè)備、工具注意漏油，墊紙墊條吊帶清潔。
　　(4) Pay attention to oil leakage of equipment and tools, and clean the paper cushion strip and suspension belt.
　　鋁板生產(chǎn)廠家
　　Aluminum plate manufacturer
　　鋁型材水印的特點(diǎn):
　　The characteristics of watermarking for aluminium profile:
　　鋁型材表面出現(xiàn)銀灰色濕印斑點(diǎn)。
　　Silver grey wet spot appeared on the surface of aluminium profile.
　　鋁型材表面水印產(chǎn)生的原因:
　　Causes of Watermarking on Aluminum Profile Surface:
　　鋁型材表面部分被水和雨水浸透，型材表面淬火氧化層的小孔滲透到鋁基體中形成三羥基鋁酸鹽，隨著保水時間的延長，三羥基鋁酸鹽呈亮而弱的狀態(tài)。如果水中有雜質(zhì)(鹽、亞硝酸鹽等)，就會產(chǎn)生腐蝕斑點(diǎn)。
　　The surface of aluminium profile is partly soaked by water and rainwater. The pore of quenched oxide layer penetrates into the aluminium matrix to form trihydroxyaluminate. With the prolongation of water holding time, the trihydroxyaluminate appears bright and weak. If there are impurities in the water (salt, nitrite, etc.), corrosion spots will occur.
　　鋁型材表面水印去除:
　　Watermarking removal of aluminium profile surface:
　　(I):濕鋁型材必須立即干燥，老化前必須干燥。
　　(I): The wet aluminium profile must be dried immediately and must be dried before aging.
　　(2)在條件允許的情況下，增加堿洗時間和氧化膜厚度。
　　(2) Increase alkali washing time and oxide film thickness when conditions permit.
　　油漬和水漬只要鋁型材在老化前不沾灰塵擦拭干凈就不會產(chǎn)生油漬和水印，關(guān)鍵是養(yǎng)成良好的操作習(xí)慣和質(zhì)量意識，除此之外。
　　Oil stain and water stain will not occur as long as aluminium profile is wiped clean without dust before aging. The key is to develop good operating habits and quality awareness, in addition.
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