Auto parts: a new breakthrough in the steering knuckle processing technology

A fully automatic and flexible steering knuckle processing production line with unique characteristics of China National Heavy Duty Truck Technology was officially put into production operation at China National Heavy Duty Truck Bridge Company.

The automobile steering knuckle is a special-shaped, complex part, and its conventional typical process requires more than 20 processes. In accordance with the requirements of China National Heavy Duty Truck during the “Eleventh and Five-Year Plan” period to achieve “going to the world's advanced manufacturing industry”, Bridge Box Company takes “innovation process and breakthrough” as the train of thought, and engineers and technicians break through the traditional mechanical processing thinking and absorb and absorb Today's world advanced composite processing technology concept, the original production process and advanced manufacturing equipment are grafted, and independently innovated the new steering knuckle processing flow and manufacturing process.

The steering knuckle processing production line is controlled by computer network in an all-round way, and the process of CNC machining center and turning and milling machine is completed by robot. The automatic manufacturing of the whole line from blank to finished product is realized, and the original dozens of processes are compressed into three. . The line uses advanced air-tight detection, status recognition, online diagnosis, testing, tool life management and damage detection and other advanced technologies, and its daily production capacity exceeds the original two conventional production lines. Because of its high precision, high efficiency, automatic and so on, the production line only needs 36 people, which is 132 people less than the original knuckle line 168 operators. This alone can save labor costs 264 Ten thousand yuan.

Stainless Steel Industry Abrasives

The stainless steel industry relies heavily on abrasive products to achieve the surface finish and precision required during the manufacturing process. Products such as sanding discs, flap discs, abrasive belts, and abrasive cloth rolls play a key role in each stage of stainless steel processing, from preliminary processing to final finishing.
Sanding discs
Applications
Sanding discs are widely used in the stainless steel industry for surface preparation, grinding, and finishing. These discs are often applied to power tools such as angle grinders and orbital sanders, allowing workers to efficiently treat large surface areas.
Advantages
Surface preparation: Sanding discs effectively remove scale, rust, and other surface contaminants, creating a clean surface for subsequent processing steps.
Surface finishing: They are used to achieve a smooth, uniform surface finish on stainless steel parts, which is essential for both aesthetic and functional purposes.
Versatility: Available in a variety of grit sizes, sanding discs can be used for both aggressive material removal and fine polishing, making them a versatile tool in stainless steel manufacturing.
Flap discs
Applications
Flap sanding discs are abrasive products designed for aggressive material removal and blending. They consist of overlapping abrasive sheets attached to a backing plate, which provide a consistent and smooth grinding action.
Benefits
Material Removal: Flap Sanding Discs are ideal for removing large amounts of material, such as grinding welds and removing excess material from stainless steel surfaces.
Blending and Finishing: After grinding, flap sanding discs can blend and smooth the surface, reducing the need for multiple abrasive products.
Durability: Flap Sanding Discs are designed to wear gradually, exposing fresh abrasive grains and extending their life, which is particularly useful in industrial applications.
Abrasive Belts
Applications
Abrasive belts are used in belt sanders and other grinding machines for continuous, high-speed material removal and finishing. They are ideal for machining large stainless steel plates and components.
Benefits
Continuous Grinding: Abrasive belts provide a continuous cutting action, making them very efficient in large stainless steel machining.
Precision: They allow for precise control of material removal, resulting in a consistent surface finish and dimensional accuracy.
Variety: Abrasive belts are available in different widths, lengths, and grit sizes, and can be customized for specific applications, from coarse grinding to fine finishing.
Abrasive Cloth Rolls
Applications
Abrasive cloth rolls are flexible abrasive products used in the stainless steel industry for hand sanding, machine sanding, and other finishing processes. They can be cut to the right size for a specific task, offering great versatility.
Advantages
Flexibility: Emery cloth rolls are highly flexible, making them suitable for grinding irregular shapes and contours on stainless steel parts.
Convenience: They can be easily cut to the required size, providing a convenient solution for a variety of grinding and polishing tasks.
Surface treatment: Emery cloth rolls are ideal for fine finishing and polishing, helping to achieve a high-quality surface finish on stainless steel, which is essential for both functional and decorative purposes.
Comprehensive applications in the stainless steel industry
Initial material preparation
During the initial stages of stainless steel processing, abrasive products such as grinding wheels and abrasive belts are used to prepare the material. This includes removing scale, rust, and other impurities to create a clean surface for further processing.
Grinding and shaping
During the manufacturing process, flap discs and abrasive belts are used to grind and shape stainless steel parts. This includes smoothing welds, grinding off sharp edges, and achieving the desired size and shape.
Surface treatment and polishing
Emery cloth rolls and fine grinding wheels are essential for the final finishing stage. These products help polish stainless steel to a smooth, reflective surface, enhancing its appearance and preventing corrosion. High-quality surface preparation is particularly important in industries such as food processing and medical equipment, where surface smoothness and cleanliness are critical.
Maintenance and Repair
In addition to new manufacturing, abrasive products are used for the maintenance and repair of stainless steel equipment and structures. This includes rust removal, polishing surfaces and restoring the original finish of stainless steel parts.

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