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钣金加工生产中去掉氧化皮的两种方法

2018-06-28 23:15:32 常州亿创钣金加工厂 阅读

钣金加工生产中去掉氧化皮的两种方法

钣金加工生产在进行不同类型的金属材料加工、 钣金加工,金属材料时也有一定的需求,当然,它不只是需要金属完整性和金属外观还需要有一定的要求,如金属氧化物也是钣金加工的过程中需要的金属被氧化。此外,钣金加工生产还要求厚度的金属要求超过厚度的产品后处置,但在实践中,几乎没有氧化金属,那么对氧化的金属,我需要什么?

不锈钢加工操作通常由线圈,装订,焊接,或由人工表面防火热处置,导致氧化变黑。灰黑色氧化皮更牢固,这种包含两种 NiCr2O4 和 NiF EO4,很大程度上利用高度腐蚀性氢氟酸和硝酸的方法来删除。然而这种方法由于环境污染、 有害、 腐蚀性和逐渐废弃的钣金加工成本。 当前板材加工厂规模解决方案总是有两种︰

1、化学方法︰ 使用无污染的酸洗钝化膏与无机添加剂为无毒洗涤液在室温下浸洗。要达到不锈钢白化处置意图的性质。这种方式处理的设备看起来是一种轻的金属颜色。这种方法更适用于大型、 杂乱的产品。

2、喷砂方法/高炉法一般是选择的玻璃微珠喷的方式,删除氧化变黑的外观。

Two methods to remove oxide scale in sheet metal processing and production

Metal sheet metal material processing, sheet metal processing, metal material also have a certain demand. Of course, it needs not only metal integrity and metal appearance, but also needs certain requirements, such as metal oxide is also the metal oxide to be oxidized in the process of sheet metal processing. In addition, sheet metal processing also requires the thickness of the metal to require more than the thickness of the product disposal, but in practice, almost no oxidation of metal, then what do I need for the oxidation of the metal?

Stainless steel processing is usually done by coil, binding, welding, or heat treatment by artificial surface, resulting in oxidation blackening. Grayish black oxide is more robust. This contains two kinds of NiCr2O4 and NiF EO4, which are largely removed by highly corrosive hydrofluoric acid and nitric acid.  However, this method is due to environmental pollution, harmful, corrosive and gradually discarded sheet metal processing costs. There are always two ways to solve the scale problem.

1. Chemical method: use non polluting pickling and passivation paste and inorganic additives as non-toxic detergent to soak at room temperature. It is necessary to achieve the nature of the disposal intention of stainless steel whitening. The device processed in this way looks like a light metal color. This method is more suitable for large and messy products.

2, sand blasting method / blast furnace method is generally selected by the way of glass bead spraying, which removes the appearance of oxidative blackening.



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