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Linear shaft manufacturers & suppliers

Durch mehr als 23 Jahre Entwicklung verfügt BOS Hydraulic jetzt über 3 Fabriken, 1 Forschungszentrum und 1 Vertriebszentrum. Mehr als 100 Kunden aus 40 Ländern und Regionen haben langfristige Geschäftsbeziehungen mit uns aufgebaut. Die Produkte sind von nationalen und internationalen Behörden zertifiziert.
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Induktiv gehärtete Wellen

Induction Hardened Shafts undergo a precise heat treatment process where high-frequency currents selectively harden the surface layer. This creates an extremely wear-resistant exterior while maintaining a tough, shock-absorbent core. Ideal for high-load applications, these shafts offer superior resistance to abrasion and fatigue, ensuring extended service life in demanding industrial machinery, automotive components, and heavy equipment under severe operating conditions.

Induction Hardened Shafts Series

Advantages of Linear Shaft Rod

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Leading technical expertise
Exquisite craftsmanship guarantees the long-lasting and stable quality of products
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Strict quality management system
BOS promise to manufacture and deliver strictly according to the drawing specifications
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Complete customization capabilities
BOS provides a full range of customized services
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Technical Support
Professional engineers with more than 20 years of experience always serving you.

Bos Linear Shaft Rod first choice

With years of experience in manufacturing linear shafts, we provide customer satisfaction through manufacturing and customization.

At Bos, we care about you and your company. We specialize in the customization, material selection, and manufacturing of linear shafts, and provide excellent services according to your needs.

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Induktiv gehärtete Wellen
A Miniature of Industry

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The fundamental superiority of our Induction Hardened Shafts stems from the sophisticated process of induction hardening itself. This is a thermochemical treatment that utilizes electromagnetic induction to rapidly heat the surface layer of the shaft to austenitizing temperatures, followed by immediate quenching . The result is a meticulously controlled, deeply hardened surface layer, while the core material retains its original ductile and tough state . This process creates a unique composite material property in a single component: a surface with extreme hardness, often reaching HRC 58-65 , coupled with a core that possesses excellent impact resistance. Unlike through-hardening, induction hardening is a selective process, allowing us to target specific areas of the shaft that are most susceptible to wear, such as bearing journals or sealing surfaces, without compromising the structural integrity of the entire component. This focused approach minimizes distortion and allows for more precise geometrical control.
In the demanding world of industrial machinery, where relentless wear and unforgiving loads are daily challenges, the pursuit of components that offer unparalleled longevity and reliability is paramount. As a specialized manufacturer with deep expertise in advanced thermal processing and precision engineering, we stand at the forefront as a premier Induction Hardened Shafts supplier. Our commitment is to deliver components that are not merely parts, but robust solutions engineered to withstand the most severe operating conditions. We recognize that the failure of a single shaft can lead to catastrophic downtime, which is why our manufacturing philosophy for Induction Hardened Shafts is built upon a foundation of metallurgical excellence, precise process control, and an unwavering dedication to quality.
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The Engineering Marvel of Induction Hardening

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The fundamental superiority of our Induction Hardened Shafts stems from the sophisticated process of induction hardening itself. This is a thermochemical treatment that utilizes electromagnetic induction to rapidly heat the surface layer of the shaft to austenitizing temperatures, followed by immediate quenching . The result is a meticulously controlled, deeply hardened surface layer, while the core material retains its original ductile and tough state . This process creates a unique composite material property in a single component: a surface with extreme hardness, often reaching HRC 58-65 , coupled with a core that possesses excellent impact resistance. Unlike through-hardening, induction hardening is a selective process, allowing us to target specific areas of the shaft that are most susceptible to wear, such as bearing journals or sealing surfaces, without compromising the structural integrity of the entire component. This focused approach minimizes distortion and allows for more precise geometrical control.

A Diverse Portfolio for Global Industrial Applications

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The unique properties of our Induction Hardened Shafts make them indispensable across a vast spectrum of industries. In the heavy-duty sector of construction and mining, these shafts are the workhorses in excavator cylinders, conveyor systems, and rock crushers, where they resist extreme abrasive wear and shock loads. The agricultural industry relies on their durability for tractor hydraulic systems and harvesting equipment. In automation and precision machinery, our shafts serve as robust linear guides and actuator rods in packaging machines, injection molding equipment, and robotic arms . Furthermore, the process is critical for components in the automotive sector, such as steering columns and drive shafts, and is even investigated for high-performance applications in aerospace, like actuator systems . This wide applicability is supported by our ability to customize Induction Hardened Shafts to meet the specific environmental and operational demands of each application.

Details and Applications of Linear Shaft

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Linear Shaft Rod is used as a motion platform for laser measurement equipment and semiconductor wafer inspection equipment.

Linear Shaft Rod China's Best Manufacturer

Bos Hydraulic, with its leading technical expertise, strict quality management system, continuous R&D investment, and efficient service team, has won wide recognition and trust from domestic and foreign markets, becoming an outstanding brand in the Linear Shaft Rod industry
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Bos Linear Shaft Rod Manufacturers

Linear Shaft Rod – The Ultimate FAQ Guide

A Linear Shaft Rod is a precision-ground component that provides guided linear motion in machinery. Typically made from hardened steel or stainless steel with a hard chrome-plated finish, it offers high rigidity, excellent wear resistance, and corrosion protection. Its superior straightness and smooth surface ensure minimal friction and reliable performance in automation systems, bearing guides, and support applications.
What materials are commonly used for Linear Shaft Rods?

The most common materials are high-carbon chromium steel (like SUJ2/52100), which is hardened and chrome-plated for optimal wear resistance. For corrosive environments, stainless steel (such as SUS304 or 440C) is used, offering excellent corrosion resistance though with generally lower hardness than hardened steel.


Why is surface hardness important for a Linear Shaft Rod?

High surface hardness (e.g., 58-65 HRC) is crucial for resisting abrasion from linear bushings. A hard surface minimizes wear, prevents galling, and significantly extends the service life of both the rod and the mating bearing, ensuring long-term precision.

How do I interpret tolerance grades like g6 or h6?

These are international tolerance grades for shafts. A grade like g6 indicates a sliding fit, perfect for applications requiring precise movement with minimal play. h6 is a precision location fit, offering very tight tolerances for high-accuracy systems. The choice depends on your required balance of freedom of movement and positional accuracy.


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