Main factors affecting metal corrosion. TBI ball screw and nut are carbon steel structure. Corrosion is caused by various internal and external factors. It can be summed up as follows: 1) chemical composition and structure of metal material itself; 2) surface brightness of metal (oxygen concentration difference battery corrosion); 3) solution composition and pH value in contact with metal surface; 4) ambient temperature and humidity. Degree; _Various environmental media in contact with metal surface.

　　一，被防锈物的外表预处置

　　1. Appearance pre-disposal of rust-proof materials

　　1)外表清洁：清洗必需依被防锈物外表的性质和当时的条件，选定恰当的办法。普通常用的有溶剂清洗法、化学处置清洁法和机械清洁法。

　　1) Appearance cleaning: Cleaning must be based on the nature of the appearance of the rust-proof material and the conditions at that time, select the appropriate method. The common cleaning methods are solvent cleaning, chemical disposal cleaning and mechanical cleaning.

　　2）外表枯燥清洗洁净后可用过滤的枯燥紧缩空气吹干，或者用120~170℃的枯燥器停止枯燥，也可用洁净纱布擦干。

　　2) After the appearance is dry and cleaned, it can be dried with filtered dry compressed air, or with a dryer at 120-170 C to stop the drying, or it can be dried with clean gauze.

　　二，涂敷防锈油

　　2. Coating antirust oil

　　1）浸泡法：一些小型物品采用浸泡在防锈油脂中，让其外表粘附上一层防锈油脂的办法。油膜厚度可经过控制防锈油脂的温度或粘度来到达。

　　1) Soaking method: Some small articles are soaked in rust-proof grease, so that their appearance is adhered to a layer of rust-proof grease. Oil film thickness can be achieved by controlling the temperature or viscosity of rust-proof grease.

　　2）喷雾法一些大型防锈物不能采用浸泡法涂油，普通用大约0.7Mpa压力的过滤紧缩空气在空气清洁停止喷涂。喷雾法适用溶剂稀释型防锈油或薄层防锈油，但必需采用完善的防火和劳动维护措施。

　　2) spraying some large antirust substances can not be used to soak the oil, usually with about 0.7Mpa pressure filtration compressed air in the air cleaning center to stop spraying. Spray method is suitable for solvent dilution antirust oil or thin layer antirust oil, but must adopt perfect fire protection and labor maintenance measures.

　　3）刷涂法用于不适用浸泡或喷涂的室外建筑设备或特殊外形的制品，刷涂时既要留意不产生堆积，也要留意避免漏涂。

　　3) Brushing method is suitable for outdoor construction equipment or products with special shape which are not suitable for immersion or spraying. When brushing, we should pay attention not only to avoid accumulation, but also to avoid leakage.

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