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As an indispensable key component in engineering construction, cast steel bearings are widely used in fields such as bridges, building structures, mechanical equipment, etc. They play important roles in transmitting, distributing loads, absorbing vibrations, and adapting to deformation. The following is a detailed introduction about cast steel bearings:

Firstly, Definition and Classification
Cast steel support is a support device made of high-quality cast steel materials through precision casting technology. According to their different functional characteristics and application environments, cast steel bearings are mainly divided into the following categories:
1. Plate support
Mainly used to withstand axial pressure, it has the advantages of simple structure, easy installation, and low cost, and is commonly used in small and medium-sized bridges and building structures.

2. Pot type support
Composed of upper support plate, middle steel lining plate, lower support plate, PTFE sliding plate, stainless steel sliding plate, anchoring component, etc., it has the characteristics of large bearing capacity, flexible rotation, and good seismic absorption performance, and is suitable for large-span bridges and building structures that require seismic isolation.

3. Ball shaped support
Utilizing spherical contact to achieve rotation and displacement in all directions, it has extremely high load-bearing capacity and good adaptability to deformation, and is commonly used in large bridges, high-rise buildings, and special engineering structures.

Secondly, material characteristics and manufacturing processes
The cast steel support adopts high-quality carbon steel or low alloy steel as the raw material, and through scientific and reasonable chemical composition design, it ensures that it has high strength, high toughness, and good welding performance. The carbon content of cast steel materials is generally controlled between 0.25% and 0.55%, and an appropriate amount of alloy elements such as manganese, silicon, chromium, nickel are added to further improve their mechanical properties and corrosion resistance.

The manufacturing process of cast steel bearings mainly includes melting, shaping, pouring, heat treatment, and precision machining. Firstly, the selected raw materials are melted to obtain liquid steel that meets the requirements; Next, inject the molten steel into the pre prepared sand or metal mold and wait for it to cool and solidify into shape; Then, necessary heat treatment (such as annealing, normalizing, quenching, etc.) is carried out on the castings to eliminate internal stress, adjust the microstructure, and improve mechanical properties; Finally, precision machining is carried out, including grinding, cutting, welding, assembly and other steps, to ensure the accuracy of the support size, surface quality, and the precision of the fit between various components.

Thirdly, design principles and application advantages
The design of cast steel bearings follows the principles of safety, applicability, economy, and durability, fully considering the stress characteristics and usage environment of the structure it is located in, and reasonably determining the type, size, material grade, and structural details of the bearings. Its application advantages are mainly reflected in the following aspects:

1. High load-bearing capacity
The high-strength characteristics of cast steel materials themselves enable bearings to withstand enormous vertical, horizontal, and rotational loads.

2. Excellent mechanical properties
Good elastic-plastic properties, fatigue strength, and impact resistance ensure stable operation of the support under complex loads, effectively protecting the main structure from damage.

3. Flexible displacement adaptability
All types of cast steel supports can achieve certain displacement adjustment functions. For example, plate supports can adapt to the creep and temperature changes of the beam caused by expansion and contraction by setting pre deflection, while basin and spherical supports can adapt to the angle and longitudinal displacement of the structure through sliding or rotation.

4. Good seismic performance
Some types of cast steel bearings (such as basin type and spherical bearings) are equipped with elastic elements such as rubber and polytetrafluoroethylene, which can effectively absorb and dissipate seismic energy, reducing the damage of earthquakes to the structure.

5. Easy to install and maintain
The cast steel support has a compact structure and simple connection method, making it easy for on-site installation and later maintenance and replacement.

In summary, cast steel bearings play a crucial role in engineering construction due to their excellent material properties, precise manufacturing processes, flexible and diverse design forms, and significant application advantages, providing strong guarantees for the safe and stable operation of various structures.

Product Introduction

Specialized in all kinds of customized steel casting products.

With your drawings, we have the ability for die sinking. The whole process including smelting, pouring, grinding and paint spraying (if necessary).

The plant has a casting production capacity of 10,000 tons/year registered and approved by the government. We can provide various non-standard products for the automobile and engineering vehicle assembly companies, industrial furnaces, cement factories and so on.

We are a formal enterprise which can meet the local government production requirements and is approved by the government for all the administrative procedures.

Environmental management system certification, quality management system certification, occupational health and safety management system certification, national emission permit, environmental protection credit evaluation green grade.

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