Rack And Pinion in China

Specifications:
Precision Grade: DIN 6h25
Material: C45 / 40Cr / 42CrMo
Type: Straight Rack
Treatment of Teeth: Ground
Hardness: Overall Quenching & High-Frequency Tooth Hardening (HRC50–55)
Sides Ground: Included
Pressure Angle: 20°   
Total Pitch Error: 0.036mm/1000mm

Yuchen Gear proudly presents the DIN6 High-Precision Ground Spur Gear Rack, a product that integrates cutting-edge gear processing technology with durable performance characteristics. Backed by over two decades of industry experience, this gear rack has quickly become a reliable choice across high-end manufacturing applications.

Product Features:
Smooth Transmission with Low Noise
The gear rack is finished with precision grinding, resulting in an exceptionally smooth tooth surface with low roughness. This reduces vibration and noise during meshing with mating gears, ensuring quiet and stable transmission. It is especially suitable for environments with strict noise requirements, such as cleanrooms or precision machinery operations.

High Positioning Accuracy
Engineered with advanced meshing technology, the rack guarantees continuous multi-tooth engagement and near-zero backlash. It offers positioning accuracy within ±20 microns, allowing precise tooth profile location control. This significantly reduces cumulative pitch errors, which is crucial for equipment that requires exact motion control, such as CNC machines and robotic systems, improving machining precision and end-product quality.

Enhanced Corrosion Resistance
Through the use of high-grade materials and optional surface treatments, this gear rack demonstrates nice resistance to corrosion. It performs reliably in harsh conditions, including humid or chemically active environments like those found in food processing or chemical plants. These properties ensure extended service life and consistent equipment performance.

Strict Quality Control & After-Sales Support
Each rack undergoes 18 quality control checks from raw material selection to final inspection, in full compliance with ISO9001 standards. Yuchen maintains a stringent quality management system and is equipped with state-of-the-art production and testing machinery. In addition to good product reliability, the company offers technical support and professional solutions, helping customers resolve application challenges efficiently, backed by 20 years of practical expertise.

Application Scope:
This spur gear rack is widely used in gantry robots for automated loading and unloading, material handling systems, and palletizing robots. It enables fast and accurate positioning with efficient power transmission, ensuring precision movement and operational flexibility. It supports the reliable operation of automated production lines across various industries.

Specifications:
Precision Grade: DIN 8e27
Material: C45 / 40Cr / 42CrMo
Type: Straight Rack
Treatment of Teeth: Milled
Hardness: Overall Quenching, HRC18–20; no high-frequency surface hardening
Sides Ground: Included
Pressure Angle: 20°   
Total Pitch Error: 0.08mm/1000mm

Yuchen's tempered spur gear rack is engineered for precision transmission systems across a wide range of industrial machinery. With stable performance and good durability, it offers a reliable power transmission solution tailored for automation, CNC systems, woodworking, laser cutting, and packaging equipment.

Advanced Manufacturing for Reliable Quality
Each gear rack is manufactured using high-precision CNC machines and adheres to strict quality standards from material selection to final inspection. We use carefully selected alloy steels such as S45C (equivalent to C45), known for their balance of strength and toughness. Critical parameters such as tooth profile and spacing are precisely controlled during the milling process to ensure less gear tooth deviation and high compatibility with mating gears.

Tempering Process for Enhanced Mechanical Properties
Tempering is a core treatment in the production of Yuchen gear racks. By heating the rack to an nice temperature followed by controlled cooling, the steel's microstructure is refined for improved strength, toughness, and fatigue resistance. This treatment results in a surface hardness of HRC18–20, improving wear resistance without compromising flexibility. The racks can endure continuous operation under high loads and variable conditions while maintaining dimensional stability and mechanical reliability.

Versatile Applications Across Industries
Thanks to its robust design and dependable performance, the tempered gear rack is widely applied in:

Industrial Automation Systems: Assisting robotic arms in achieving precise movement and positioning.
CNC Machinery: Ensuring tool movement accuracy for high-precision cutting and milling.
Woodworking Machinery: Supporting smooth and accurate feeding during cutting and carving operations.
Laser and Packaging Equipment: Facilitating synchronized mechanical movements and improving process efficiency.

Strict Quality Control Ensures Dependable Results
Yuchen implements a comprehensive quality control system, certified to ISO 9001 standards. From raw materials to final assembly, every step is inspected using advanced equipment including coordinate measuring machines (CMMs) and gear measuring instruments. Only products that meet strict dimensional and tolerance specifications are approved for shipment.

By choosing Yuchen’s DIN8 precision-milled & tempered spur gear rack, you invest in a high-performance, dependable transmission solution backed by years of manufacturing experience. With consistent quality, technical expertise, and dedicated support, Yuchen is your trusted partner in the field of industrial motion control.

Specifications
Precision Grade: DIN 10e27
Material: C45 / 40Cr / 42CrMo
Type:Straight Rack
Treatment of Teeth: Milled
Hardness: Overall Quenching & Tempering; Tooth Surface Induction Hardened to HRC 50–55
Sides Ground: Included
Pressure Angle: 20°
Total Pitch Error: 0.13mm/1000mm
Surface Treatment: Full Black Oxide / Phosphating Available

In the world of mechanical transmission, Yuchen’s precision-milled spur gear racks stand out as a reliable choice for industries demanding stability, accuracy, and durability.

Precision Milling for good Accuracy
Yuchen adopts advanced CNC milling techniques operated by skilled professionals to ensure precise gear cutting and consistent pitch accuracy. From gear design to machining, every detail is meticulously controlled to achieve less profile deviation and stable engagement with mating gears. This level of precision ensures exceptionally smooth operation, reduced vibration, and low noise, making it ideal for precision-driven machinery and demanding motion systems.

High-Quality Steel for Structural Durability
Yuchen gear racks are made from carefully selected steels such as C45 medium carbon steel, offering nice strength and wear resistance. Through strict quenching and tempering processes, the internal structure of the material becomes uniform, with a core hardness of HRC 18–22. The tooth surface is then hardened to HRC 50–55 via high-frequency induction hardening, enabling the rack to withstand heavy loads and frequent shocks, even under harsh working conditions. This enhances overall service life and reduces maintenance costs significantly.

Surface Treatment for Enhanced Performance
To improve corrosion resistance and surface smoothness, the gear racks undergo black oxide or phosphating treatment. The resulting dense oxide layer protects the surface from environmental moisture and chemicals, while also lowering the friction coefficient. This boosts transmission efficiency and ensures smoother motion, helping to reduce energy consumption in industrial systems.

Rigorous Quality Control for Dependable Results
Yuchen maintains a comprehensive quality management system. From raw material selection to final inspection, every process is tightly monitored. Advanced metrology tools, such as coordinate measuring machines (CMM) and gear testers, are used to verify critical dimensions and tolerances. Only products that meet ISO 9001 standards are released, ensuring every rack delivers consistent and reliable performance.

Versatile Applications Across Industries
Yuchen precision-milled spur gear racks are widely used in automation systems, CNC machines, laser cutting machines, woodworking equipment, and packaging machinery. In automated lines, they enable accurate robotic positioning and rapid motion control. On CNC platforms, they ensure precise tool travel for high-accuracy machining. For woodworking, they provide stability during cutting and carving operations. Wherever mechanical precision is essential, Yuchen gear racks provide a dependable solution.

Specifications:
Precision Class: DIN 11e27
Material: C45 / SUS304
Type:Straight Rack
Treatment of Teeth: Standard Milling
Pressure Angle: 20°
Sides Ground: Not Included
Heat Treatment: None by default; Optional tooth surface high-frequency hardening (45–50 HRC)
Surface Treatment: Optional black oxide or phosphating finish

Yuchen’s Standard Transmission Gear Rack is engineered to meet the needs of general and low-speed transmission applications. It is compatible with various machinery and equipment, providing a balance of durability, affordability, and ease of installation.

Key Features:
Consistent Quality: Manufactured using high-grade materials such as C45 and SUS304, ensuring durability and wear resistance through stable, mature processing techniques.

Economical Choice: Offers an nice cost-performance ratio, helping reduce the overall cost of transmission systems without sacrificing reliability.

Easy Installation: With its straightforward structure and strong adaptability, this gear rack simplifies the installation process while supporting accurate linear motion.

Ideal for low-speed and standard-duty mechanical applications, Yuchen’s gear rack delivers dependable performance with reduced maintenance requirements. Choose Yuchen—your practical partner in motion systems.

Specifications:
Precision Grade: DIN6h25
Material: C45 / 40Cr / 42CrMo
Type: Helical Rack
Treatment of Teeth: Ground
Hardening Process: Overall Quenching + Tooth Surface Induction Hardening (HRC50–55)
Sides Ground:Included
Right hand angle: 19°31'42”
Pressure Angle: 20°
Total Pitch Error: 0.036mm/1000mm

Yuchen’s high-precision ground helical gear rack is a standout innovation, engineered to meet the evolving demands of high-end motion systems. With decades of expertise in mechanical transmission, Yuchen integrates advanced machining techniques, good materials, and rigorous quality control to deliver a gear rack that redefines performance in precision applications.

Precision Machining Beyond the Ordinary
Manufactured using state-of-the-art five-axis gear grinding centers, this rack undergoes ultra-fine micro-level grinding. The gear surface roughness is reduced to Ra ≤ 0.8, with a tooth profile error strictly controlled within ±5μm. Achieving ISO Grade 6 or higher, the rack offers mirror-like surface quality, ensuring ultra-smooth, backlash-free engagement. This enables less vibration, stable operation, and consistent accuracy—an essential foundation for advanced automation systems and CNC equipment.

Advanced Materials and Heat Treatment
Only high-strength materials like SCM440 alloy steel are selected to meet demanding industrial conditions. Through a vacuum carburizing and quenching process, the gear surface forms a hardened layer of up to 2.5mm, reaching HRC50–55 in hardness. This significantly enhances wear resistance, fatigue strength, and dynamic load capacity (up to 2000N/mm²), tripling the product’s lifespan compared to conventional gear racks. Users benefit from reduced maintenance frequency and lower replacement costs over time.

Uncompromising Quality Control
Each gear rack undergoes 18 strict quality control procedures from raw material entry to final delivery. Equipped with CMMs and precision gear measurement centers, Yuchen ensures that every rack is fully inspected for dimensional accuracy and gear conformity. Products are delivered in full compliance with ISO 9001:2015 standards, guaranteeing stable, high-level performance.

Proven Reliability in Demanding Applications
In robotics, the rack’s ±20μm positioning accuracy enables robotic arms to perform precision assembly with ease. On high-performance CNC machine tools, the accumulated pitch error of just 0.036mm per 1000mm allows consistent micron-level machining. Even in harsh environments such as aerospace testing platforms, optional anti-corrosion coatings allow stable performance under extreme conditions. With its high accuracy, rigidity, and long service life, this gear rack is increasingly favored by major manufacturers and has emerged as a strong domestic alternative to imported components.

Driving the Future of Precision Motion
The success of Yuchen’s ground helical gear rack marks a pivotal moment in China’s progress toward independent innovation in precision transmission. It not only reflects Yuchen’s engineering capabilities but also contributes robust support to the upgrade of smart manufacturing across various sectors. From the lab to the workshop, it exemplifies the strength and potential of Chinese precision engineering on the global stage.

Specifications:
Precision Grade: DIN8e27
Material: C45 / 40Cr / 42CrMo
Type: Helical Rack
Treatment of Teeth: Milled
Hardening Treatment: Overall tempering to HRC18–20; no high-frequency surface hardening
Sides Ground: Included
Right hand angle: 19°31'42”
Pressure Angle: 20°
Total Pitch Error: 0.08mm/1000mm

The DIN8-grade helical gear rack by Yuchen is a medium-precision linear transmission component designed in compliance with DIN standards. It is well-suited for general automation and positioning applications where ultra-high precision is not mandatory.

Precision Performance:
Manufactured to DIN 8 tolerance, the gear rack offers controlled tooth profile and cumulative pitch errors. It ensures reliable linear motion and repeatable positioning in systems such as standard CNC engraving machines and automated assembly lines.

Materials & Processing:
The gear racks are commonly produced from C45 steel or medium-carbon alloy steels such as 40Cr and 42CrMo. After undergoing a tempering process, the overall tooth body reaches a hardness of HRC18–22, achieving a balance between wear resistance, strength, and toughness. This makes the gear rack capable of withstanding moderate impact loads in dynamic environments.

Key Features:
Yuchen utilizes advanced production equipment and a rigorous quality control system to deliver helical gear racks with smooth operation and low noise. Customization is available for parameters such as module, length, and special profiles to accommodate various non-standard applications.

Applications:
These gear racks are widely used in industrial automation, including gantry robots, conveyor systems, woodworking machinery such as engraving and edge-banding machines, and packaging equipment like filling and sorting systems. They provide a stable and reliable solution for linear transmission in demanding industrial settings.

Specifications:
Precision Grade: DIN10e27
Material: C45 / 40Cr / 42CrMo
Type: Helical Rack
Treatment of Teeth: Milled
Hardness Treatment: Full-body tempered HRC18–20; Tooth surface induction hardened to HRC50–55
Sides Ground: Included
Right hand angle: 19°31'42”
Pressure Angle: 20°
Total Pitch Error: 0.13mm/1000mm
Surface Treatment: Black Oxide / Phosphating

In the field of industrial power transmission, the YUCHEN precision-milled and induction-hardened helical gear rack stands out with its high performance, making it a preferred choice across various industries.

Precision Milling for Accurate Tooth Profiles
YUCHEN applies advanced CNC gear milling techniques to achieve highly accurate tooth geometry. Utilizing state-of-the-art milling machinery, every parameter is meticulously controlled to produce gear teeth with exceptional dimensional and profile accuracy. The less pitch deviation ensures smooth meshing between gear and rack, resulting in low noise and vibration. This stability is essential for high-performance systems, supporting efficient and reliable operation.

Hardened for Strength and Wear Resistance
Heat treatment is a vital process in enhancing the gear rack’s performance. YUCHEN adopts an optimized hardening technique that tempers the entire rack body (HRC18–20) and applies induction hardening to the tooth surface, achieving a hardness of HRC50–55. This treatment significantly increases surface wear resistance and fatigue strength, enabling long-lasting performance even under heavy loads, frequent start-stop cycles, and harsh working conditions. The result is extended product life and reduced maintenance costs.

Black Oxide Coating for Corrosion Protection
Beyond its technical attributes, the black oxide finish gives the gear rack a professional appearance while offering essential surface protection. The formed oxide layer resists oxidation and moisture, enhancing corrosion resistance in humid or chemically aggressive environments. Additionally, the blackened surface reduces friction during operation, contributing to improved transmission efficiency and smoother motion.

Rigid Quality Control Ensures Consistent Performance
From material selection to final inspection, YUCHEN operates under a stringent quality management system. Premium-grade steel is sourced to ensure consistent material properties. During production, sophisticated measuring tools such as coordinate measuring machines (CMMs) are used to inspect dimensional and geometrical tolerances. The product undergoes up to 18 quality control procedures, and only gear racks fully compliant with ISO9001 standards are approved for shipment—guaranteeing reliable quality in every unit.

YUCHEN DIN10 precision-milled, hardened, and blackened helical gear racks are widely used in automation systems, CNC machinery, laser cutting machines, woodworking equipment, and more. If you are seeking a robust and precise gear rack solution, contact YUCHEN today. We are ready to provide tailored solutions and professional service for your industrial needs.

Specifications:
Precision Grade: DIN8e27 / DIN10e27
Material: C45 / 40Cr / Soft Shaft
Type: Straight Rack
Treatment of Teeth: Milled
Hardness Treatment: No high-frequency quenching by default (available upon request)
Sides Ground: Not Included
Pressure Angle: 20°
Surface Treatment: Optional black oxide or zinc plating

As a key component in precision motion systems, the Round Gear Rack Cylindrical Rack by Yuchen stands out with its unique structural features and high reliability. It has become a preferred choice across various industries seeking accurate, smooth, and efficient linear motion solutions.

Precision Engineered for nice Performance
Manufactured using advanced CNC machining processes, every gear rack is crafted with meticulous attention to critical parameters such as tooth form and pitch accuracy. This ensures less tooth profile deviation and seamless engagement with mating gears. The result is significantly reduced operational noise and vibration, enabling smoother machine performance.

Durable Core with Enhanced Surface Properties
Constructed from high-quality steel such as C45 and 40Cr, each rack undergoes specialized heat treatment to create a hardened, wear-resistant surface layer while maintaining internal toughness. This robust design allows it to endure heavy loads and repeated impacts, extending its service life far beyond standard gear racks. In harsh operating environments like construction machinery or heavy-duty automation, the cylindrical rack remains dependable, reducing downtime and maintenance costs.

Versatile Applications Across Multiple Sectors
With its cylindrical profile and adaptable transmission features, this round gear rack proves its versatility across a wide range of applications. It facilitates precise motion in robotic joints, ensures efficient item retrieval in rotating automated storage systems, and contributes to responsive control in automotive power steering mechanisms. Its design supports complex movement and optimized space utilization, making it a valuable asset in modern motion systems.

Customized to Your Requirements
Understanding the diverse demands of different projects, Yuchen offers full customization services. Whether you require specific modules, custom lengths, unique materials, or tailored accuracy levels, our engineering team will provide a technical solution aligned with your application. From concept to finished product, each rack is manufactured with strict quality control to meet your exact specifications.

Rigorous Quality Assurance for Reliable Operation
A comprehensive quality management system governs the entire production process—from raw material selection to final inspection. Utilizing state-of-the-art measuring equipment, each rack is tested for critical parameters to ensure full compliance with industry standards. With Yuchen, consistent product quality and long-term performance are guaranteed.

In the world of industrial motion control, even the slightest deviation can lead to costly consequences. Backlash, in particular, is a major barrier to achieving precision. The Zero Backlash Cycloidal Roller Rack and Pinion developed by Yuchen redefines accuracy in motion systems. Engineered for high-performance applications such as automation equipment and CNC machinery, it delivers a new standard in backlash-free linear transmission.

Zero Backlash Design for Unmatched Positioning Accuracy
This system features a unique engagement design in which the rollers consistently maintain 2 to 3 points of contact with the rack. This configuration eliminates clearance between the teeth in both directions, ensuring true zero backlash. With positioning accuracy reaching ±20 microns, it functions like a precise guidance system. This enables robotic arms to grasp and place components with high repeatability and allows CNC machines to execute micrometer-level machining—meeting the stringent demands of precision manufacturing.

High-Speed and Stable Motion for Enhanced Productivity
The rolling engagement mechanism significantly reduces friction, enabling linear speeds exceeding 180 meters per minute. The result is ultra-smooth operation with less noise and vibration. In automated production lines, this leads to faster material handling and higher throughput. In laser cutting systems, the cutting head moves swiftly while maintaining sharp, clean edges—contributing to improved product quality.

Low Wear and Low Particle Generation for Sensitive Environments
The smooth rolling contact between pinion and rack ensures that moving parts operate at low speed and small diameter, resulting in less wear and dust generation. This makes the system ideal for environments that demand high cleanliness, such as semiconductor fabrication and electronics manufacturing. It effectively prevents particulate contamination of sensitive components. In addition, the robust construction ensures stable performance even under harsh industrial conditions.

Easy Installation and Low Maintenance
The Yuchen Zero Backlash Cycloidal Roller Rack and Pinion is designed with user convenience in mind. Its straightforward installation process reduces labor and setup time, while its high wear resistance and stable performance minimize maintenance needs and lower the total cost of ownership. This means reduced downtime and increased peace of mind for operators.

Combining zero backlash, high precision, smooth high-speed operation, low wear, less dust generation, and easy installation, the Yuchen Zero Backlash Cycloidal Roller Rack and Pinion is a reliable and efficient transmission solution. Choosing Yuchen means embracing a more accurate, efficient, and durable power transmission system—empowering your business to stand out in a competitive industrial landscape.

Specifications
Precision Grade: DIN 6
Material: 20CrMnTi
Type: Helical Rack
Left hand angle: 19°31'42"
Hardness Treatment: Overall carburizing, HRC55–60
Manufacturing Process: Gear grinding

This 1.5M DIN6 Ground Helical Gear is manufactured using an advanced gear grinding process, delivering exceptional accuracy in both tooth profile and pitch. With deviations controlled within a very narrow range, each gear mesh achieves consistent precision and stability. Such performance is crucial for applications requiring exact transmission ratios, such as precision instruments and high-end machine tools. In optical equipment, for example, this gear ensures precise lens movement and positioning, directly contributing to good imaging quality.

Quiet Operation for Noise-Sensitive Environments
The finely ground gear surface minimizes impact and friction during meshing, significantly reducing operating noise and vibration. This silent operation makes ground helical gears ideal for environments with strict noise control requirements, such as medical devices and office automation systems. In hospitals, for instance, these gears ensure that diagnostic equipment runs quietly without disturbing patients or medical staff.

High Wear Resistance for Extended Equipment Lifespan
The grinding process enhances surface density, increasing the hardness and wear resistance of the gear. When operating under heavy loads and long duty cycles, ground helical gears experience significantly less wear than conventionally machined gears. This results in longer maintenance intervals and overall equipment longevity, premierly reducing operational costs. In heavy-duty machinery and construction equipment, these gears withstand harsh environments and demanding workloads, maintaining reliable performance over time.

Broad Compatibility for Diverse Industrial Applications
Whether applied to spur gears, helical gears, or worm gears, gear grinding technology significantly improves overall performance. Ground helical gears are widely used across aerospace, automotive manufacturing, robotics, and automated production systems. In aircraft engines, they help ensure stable and efficient operation, supporting flight safety. In automotive transmissions, they enable smooth gear shifts, improving driving comfort and control.

With their exceptional precision, quiet operation, high wear resistance, and broad adaptability, ground helical gears are an integral component in modern industrial systems, driving the advancement of high-performance and high-precision engineering.

Specifications
Precision Grade: DIN 6
Material: 20CrMnTi
Type: Helical Rack
Left hand angle: 19°31'42"
Hardness Treatment: Overall carburizing, HRC55–60
Manufacturing Process: Gear grinding

In industrial systems, gears are fundamental components that directly impact the efficiency and reliability of mechanical operation. YUCHEN ground gears are engineered with precision, manufactured with care, and built to meet the demanding standards of modern industry.

1. Premium Materials for Long-Term Reliability
YUCHEN's helical gears are manufactured using high-quality 20CrMnTi or SCM440 alloy steel. These materials offer an nice balance of strength, wear resistance, and toughness after heat treatment, making them suitable for a wide range of industrial transmission applications. The mechanical properties of these alloys ensure stable performance even under high loads, shock, and high-speed rotation—significantly reducing equipment maintenance frequency and operational costs.

2. Advanced Processes Ensure Dimensional Accuracy
Hot Forging & Preform Rolling: High-density forged blanks are created through hot die forging and wedge cross-rolling, improving structural integrity and reducing machining allowances.

Isothermal Normalizing: Controlled heat treatment prepares the microstructure for nice machinability and reduces deformation during final hardening.

CNC Turning: All blanks are machined on CNC lathes in a single setup, achieving high perpendicularity and consistency across batches.

Gear Hobbing and Shaping: High-speed hobbing and shaping machines are used for internal and external gear cutting, enhanced by tool coating technology to improve tool life and productivity.

Gear Shaving: Radial gear shaving refines the tooth profile and lead, achieving good precision and surface finish—especially suited for mass production.

Carburizing and Quenching: YUCHEN applies advanced carburizing and quenching techniques to enhance surface hardness and internal strength while minimizing residual stresses.

Precision Grinding: Post-heat-treatment grinding of bores, faces, and outer diameters ensures tight tolerances and smooth operation.

Rigorous Inspection: Each gear undergoes multiple quality checks using high-precision measuring equipment to ensure dimensional accuracy, profile integrity, and surface finish compliance.

3. Distinctive Features for Demanding Applications
High Precision: Achieving DIN 6 accuracy or better, with less pitch and profile deviation, making them ideal for CNC machines, automation systems, and other high-precision environments.

Low Noise: Accurate tooth geometry and ground finishes ensure quiet meshing and smooth transmission, suitable for noise-sensitive equipment such as medical devices and laboratory automation.

High Hardness & Wear Resistance: The advanced carburizing process delivers a hardened tooth surface that resists wear even under continuous high-load and high-speed conditions.

Exceptional Stability: Consistent quality and optimized design allow stable performance, reducing the risk of failures and enabling continuous operation across a wide range of industries.

4. Versatile Applications Across Industrial Sectors
Industrial Automation: Integral to robotic joints and conveyor systems, enabling precise motion control and stable performance on automated production lines.

CNC Machine Tools: Critical for tool feed and worktable drive systems, enhancing the accuracy of parts manufacturing in industries such as aerospace and automotive.

Robotics: Used in joint actuation systems for industrial and service robots, delivering reliable motion control in complex environments.

Energy Sector: Deployed in power generation equipment, including wind, hydro, thermal, and nuclear plants, where high torque transmission and consistent performance are essential.

Medical Equipment: Ideal for precision devices like surgical instruments and dental chairs, combining corrosion resistance, low noise, and smooth operation for enhanced patient comfort and equipment reliability.

Choosing YUCHEN ground helical gears means selecting precision, reliability, and durability in power transmission. With expert craftsmanship and cutting-edge technology, YUCHEN supports your industrial systems with high-performance gear solutions—partnering with you to drive innovation and excellence in modern manufacturing.

Specifications
Precision Grade: DIN 6
Material: 20CrMnTi
Type: Helical Rack
Left hand angle: 19°31'42"
Hardness Treatment: Overall carburizing, HRC55–60
Manufacturing Process: Gear grinding

In the realm of mechanical transmission, gear performance plays a decisive role in determining the operational efficiency and stability of equipment. Yuchen’s 3-module ground helical gears combine premium materials, advanced processing techniques, and strict quality control to deliver outstanding durability and performance across a wide range of industrial applications.

Premium Materials, Advanced Craftsmanship
Our 3M ground helical gears are manufactured using high-quality 20CrMnTi or SCM440 alloy steel.

20CrMnTi: This material offers nice overall mechanical properties after heat treatment, striking a balance between hardness, wear resistance, and toughness. It is well-suited for standard industrial transmission systems.

SCM440: Known for good strength, toughness, and fatigue resistance, this alloy performs reliably even under heavy loads, impacts, or high-speed operation, minimizing equipment failure and maintenance costs.

Forging is carried out using hot die forging to enhance material density and improve mechanical strength and durability. The wedge rolling process improves blank precision and reduces machining allowances, increasing manufacturing efficiency. Isothermal normalizing ensures nice hardness and microstructure for machining, reducing deformation during subsequent heat treatment and ensuring dimensional consistency.

CNC lathes are used for multi-position turning in a single setup, which enhances dimensional and positional accuracy. Tooth forms are processed through hobbing and shaping: hobbing for external gears and shaping for internal or complex profiles. Further precision is achieved through radial gear shaving and carburizing heat treatment to enhance surface hardness, wear resistance, and stress relief.

Grinding is performed using high-precision gear grinding machines, resulting in exceptional dimensional accuracy and less form deviation. A strict inspection protocol using advanced measurement tools ensures each gear meets quality standards before delivery.

Key Advantages and Performance Highlights
High Precision: Achieving DIN 6 or higher gear accuracy, the Yuchen 3M ground helical gears exhibit less tooth form and pitch errors. They enable high-precision motion control in CNC machines, automation lines, and other applications that demand exact positioning and repeatability.

Low Noise Operation: Optimized gear profiles and ground surfaces ensure smooth meshing between teeth, significantly reducing transmission noise and vibration—ideal for use in medical devices and precision instruments requiring quiet operation.

High Hardness and Wear Resistance: Thanks to premium materials and advanced heat treatment, the gears exhibit nice surface hardness and wear resistance. They perform stably over extended periods in heavy-duty, high-speed industrial applications, helping extend machine service life and reduce maintenance costs.

good Operational Stability: Rigorous design standards and precise manufacturing processes ensure stable power transmission. This reduces the risk of failures caused by unstable motion and improves overall equipment uptime and production efficiency.

Versatile Applications Across Key Industries
Industrial Automation: Enhances the accuracy of robotic arms for gripping, transporting, and assembly tasks, ensuring efficient and stable operation of conveyor systems.

CNC Machinery: Acts as a key transmission component for precise tool movement and worktable positioning, supporting high-accuracy machining in aerospace and automotive sectors.

Robotics: Serves as the core driver in robot joints, providing steady torque and flexible motion, supporting the development of industrial and service robots.

Energy Sector: Used in power generation systems—whether wind, hydro, thermal, or nuclear—for converting rotational motion into energy. High load capacity ensures reliability in harsh environments.

Medical Equipment: Essential for rotary surgical tools and dental chairs, offering corrosion resistance, precision motion, and quiet operation for improved patient experience.

By choosing Yuchen 3M DIN6 Ground Helical Gears, you're selecting a transmission solution defined by precision, strength, and dependability. We are committed to empowering global industries with high-quality gears that drive efficiency and innovation in every field.