1 Treatment method: The workpiece processing method refers to the way in which the workpiece is in contact with the bath liquid to achieve the purpose of chemical pretreatment. There are full immersion type, full spray type, spray immersion combination type, brush type and the like. It mainly depends on the geometry and shape of the workpiece, the site area, the investment scale, the production volume and other factors.
2 treatment temperature: from the requirements of energy saving, improving the working environment, reducing production costs, chemical reaction speed, processing time and production speed, low temperature or medium temperature pretreatment process is commonly used in production applications. The degreasing temperature should be selected in the medium temperature range whether it is soaking or spraying. If there is only liquid grease, it can be achieved by using low temperature degreasing. The surface adjustment process usually does not require heating, and is generally treated at room temperature. At low or medium temperature phosphating, there is no significant difference in phosphating rate, and the phosphate film can be rapidly formed in a short period of time. After phosphating the workpiece, if it is required to have a longer storage time between processes, it should be selected to be moderately phosphating, in order to have a better anti-rust effect. The whole pre-treatment process can be used at normal temperature without warming. If the last water wash is hot water, the water temperature should be >80 °C.
3 Processing time: Once the treatment method and treatment temperature are selected, the treatment time should be determined according to the oil stain and corrosion degree of the workpiece. Generally refer to the processing time requirements of the pre-treatment agent instruction manual.
4 Process flow: According to the workpiece oil stain, corrosion degree and primer requirements, it is divided into different process flows.
4.1 Complete rust-free workpiece: pre-degumming → degreasing → water cleaning → surface adjustment → phosphating → water cleaning → drying (the electrophoresis primer can not be dried, directly into the electrophoresis tank). This is a standard four-station process with a wide range of applications. It is suitable for pre-treatment of various cold-rolled sheets and machined rust-free workpieces. It can also be added to the degreasing tank to reduce the surface adjustment process.
4.2 General oil, rust, scale mixed workpiece: degreasing and rusting "two in one" → water cleaning → neutralization → surface adjustment → phosphating → water cleaning → drying (or direct electrophoresis). This process is the most widely used process in China and is suitable for pre-treatment of all kinds of workpieces (except heavy oil pollution). If medium temperature phosphating is used, the surface adjustment process can be omitted, simple plate-shaped workpieces can be omitted, and neutralization can be omitted. The process becomes a four-station process with standard rusted parts.
4.3 Heavy oil, rust, oxide scale workpieces: pre-degreased → water cleaning → degreasing and rust removal “two in one†→ water cleaning → neutralization → surface adjustment → phosphating → water cleaning → drying (or directly into the electrophoresis tank) . For heavily oiled workpieces, first pre-degreasing should be carried out to remove most of the grease to ensure a completely clean metal surface after the next two-in-one degreasing and derusting treatment.
What is a slip ring?
A slip ring is an electromechanical device that allows electrical current to flow through a rotating assembly. It is often used in conjunction with a commutator to create an electrical connection in a rotating system. The device consists of a number of contact rings mounted on the rotating assembly and two or more stationary contacts. When the rotating assembly is rotated, the contact rings pass by the stationary contacts, creating an electrical connection.
Types of slip rings
A slip ring is an electromechanical device that allows the transmission of power and electrical signals through a rotating assembly. Slip rings are commonly used in applications where it is not possible or practical to make a permanent electrical connection, such as on a rotating antenna, wind turbine, or radar dish. There are many different types of slip rings available, each with its own set of benefits and drawbacks. Some of the more common types of slip rings include fiber optic slip rings, rotary unions, and contactless slip rings.
Advantages of custom slip rings
When it comes to slip rings, custom-made ones have a lot of advantages over the standard, off-the-shelf variety. Custom slip rings are designed specifically for your application, so you can be sure they`ll meet all your needs. They`re also made to order, so you can get exactly the features you want. And because they`re made specifically for you, they`re often less expensive than generic slip rings.
Disadvantages of custom slip rings
In many industrial and commercial applications, a custom slip ring is the best way to transfer power and/or data between two systems. While custom slip rings offer many advantages, they also have some disadvantages. In this article, we will discuss the disadvantages of custom slip rings.
One disadvantage of custom slip rings is that they are often more expensive than other types of electrical connectors, such as wire harnesses or connectors. Additionally, custom slip rings can be difficult to install and may require specialized tools. Another disadvantage is that custom slip rings are not always as reliable as other types of electrical connectors. They can fail prematurely if not properly maintained or used in the correct application.
Conclusion: When to use a custom slip ring
A custom slip ring is an electromechanical device that allows for the transmission of electrical signals and power between rotating and stationary components. The use of a custom slip ring can be beneficial in a number of ways, including improved performance, increased efficiency, and longer life. In some cases, a custom slip ring may be the only option available for achieving the desired results. When considering a custom slip ring as an option for your application, it is important to understand the different factors that will impact its performance.
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