During the production process. In order to ensure that the welding quality of heavy casters must be paid attention to. Let me take a look at heavy casters. What problems should be paid attention to during welding? During the entire welding process of heavy casters, we must follow the specifications of the furnace from beginning to end. The size of the melt hole has a great influence on the reverse formation of heavy wheel welding. If the pipe is large, it will be ignited. Wetting or welding; welding holes on the bell, which is easy to produce defects such as molten depth and non-welding. The welding rate of heavy universal wheels is important in the case of blunt edges, gaps, welding currents and electric bending. In the universal state of the diameter, the electrical loneliness is reduced, the joystick must be stable, and the welding rate must be well constituted. In essence, do not expand the orphan or implement the posture of "picking orphans", and the idealized opposite direction can be welded. Heavy casters are heavy wheels made of thick steel plates or nylon belts. Heavy casters produced after a series of organic chemical reactions. The main use of ultra-high casters made by hot-immersion technology is very common.
Heavy casters are used in various fields. The key is to manufacture chemical transport pipes or live water pipes, etc., although it is said that industrial production can be applied to many super heavy universal casters as well as transport pipes and live water pipes. The quality of the pipe is very strict. Now, ensuring quality assurance can increase his service life in the application. Let me teach you how to increase the service life of heavy-duty universal casters. Heavy-duty casters adopt a hot forming process. Its fixed diameter is about 800c. The fluctuation range is large. The limit of wall thickness control accuracy is 0.9mm. The tensile performance index of heavy-duty oriented casters meets the API standard.
However, the strength of heavy-duty casters is generally at the upper limit and the plasticity is at the lower limit. In contrast, the plastic indicator is higher than 33.3% of the raw materials of heavy-duty casters. Refining and controlling the cold control rolling method are guaranteed; heavy-duty oriented casters mainly rely on the means of increasing carbon content, which is difficult to ensure the reasonable matching of strength and plasticity. The raw material of heavy-duty casters-hot rolling belt control rolling process cold control accuracy, which can ensure that the performance of each part of the rolling is uniform. The raw material of heavy-duty casters - the wide and connected castings of the hot rolled belt roll have a thick fine crystal surface solidification layer, columnar crystal area and a shrinking hole, which is loosened in China. The application of cold controlled rolling technology further ensures the grain size of the raw materials.
1 The surface layer of the other side is cleaned. When cleaning the other side, it is necessary to use organic solvents or solvents to clean the surface layer to achieve the effect of removing oil and dust. This method is only suitable for removing the surface layer of heavy transfer. Rust and oxides cannot be removed by plants and dust. Therefore, this method in anti-corrosion manufacturing can only be used as an auxiliary method.
2 No overload application is required, such as heavy-duty working capacity overload.
3 The other side tube is treated with anti-rust. When dealing with heavy-duty caster rust, the key is used to use a steel brush to polish and contaminate on its surface layer. This method can reasonably eliminate the rust on the surface layer of loose or tilted heavy-duty casters, and whether the quality meets the national industry standards.
Inconsistent with regulations. The welding wire of heavy-duty casters is to better ensure that the bottom is straight, there is no welding protrusion, no thorough melting depth and teeth, and the connection head continues to open. It is imperative to master the electrical isolation and connection headers at both stages. In this way, solder joints on the back of the board can be avoided.
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