Ground Gear

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.

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 world of precision mechanical transmission, the synergy between Yuchen gears and racks exemplifies an ideal power solution—where the gear plays a vital and irreplaceable role.

Accurate Power Transmission – Driving the Core of Motion

The 4M DIN6 Ground Helical Gear by Yuchen acts as the key hub for power delivery. When driven by motors or other power sources, its helical tooth profile—crafted through rigorous machining and grinding processes—ensures perfect engagement with Yuchen racks. Every contact between gear and rack accurately converts rotary motion into linear motion, transmitting force smoothly and efficiently. On automated production lines, this gear rotates at high speeds to drive the rack and guide robotic arms for precise component handling, guaranteeing seamless workflow and acting as a core driver of equipment stability and efficiency.

Flexible Speed Adjustment for Varied Industrial Applications

Yuchen’s 4M DIN6 Ground Helical Gear, when paired with matching racks, enables flexible speed variation tailored to complex working conditions. By modifying parameters such as tooth count and module, and matching with different rack specifications, it can meet both heavy-load low-speed and light-load high-speed scenarios. In machine tools, where machining different materials and shapes requires customized feed rates and cutting forces, the gear-rack system ensures stable cutting performance, high machining precision, and adaptability across diverse processing tasks.

High-Precision Motion Control for Smooth Operation

For high-precision equipment, motion control accuracy is non-negotiable. Yuchen’s helical gear, manufactured to DIN6 tolerance and ground to micron-level precision, delivers exceptional motion control when paired with ground racks. In photolithography machines used in semiconductor manufacturing, this gear ensures smooth and precise movement of the exposure head, enabling accurate circuit pattern etching on chips. Even under prolonged operation, it maintains stable accuracy, reduces vibration and noise, and provides a solid foundation for high-precision equipment.

Durability and High Load Capacity – Extending Equipment Lifespan

Crafted from premium S45C medium carbon steel or SCM440 alloy steel, the 4M DIN6 Ground Helical Gear undergoes specialized heat treatment to achieve high hardness, wear resistance, and fatigue strength. When integrated with Yuchen racks, the system is capable of withstanding heavy loads and shock impacts. In mining, metallurgy, and other heavy industries, this durable gear-rack pairing ensures reliable long-term performance under harsh conditions, significantly reducing breakdowns and maintenance frequency, extending equipment lifespan, and lowering operational costs—making it a robust and dependable support for industrial productivity.

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 applications, gears play a fundamental role in power transmission systems. Their quality directly affects the operational efficiency and reliability of equipment. Yuchen’s 5M and 6M quenched and ground helical gears stand out with their precision manufacturing, nice mechanical properties, and consistent performance—making them a reliable choice for diverse industrial transmission needs.

Premium Materials Ensure Lasting Performance
Yuchen 5M and 6M helical gears are manufactured using high-grade S45C medium carbon steel or 42CrMo alloy structural steel.

S45C steel offers a well-balanced combination of hardness, toughness, and wear resistance after quenching and tempering. It is suitable for general industrial transmission applications, delivering stable performance across typical working conditions.

42CrMo steel, on the other hand, provides good strength, fatigue resistance, and impact tolerance. This makes it ideal for demanding scenarios involving heavy loads, shocks, or high-speed rotation. These material choices ensure that the gears maintain consistent reliability during extended operation, reducing downtime and long-term maintenance costs.

Heat Treatment and Grinding: Achieving High Precision
Quenching and Tempering: Our controlled heat treatment process optimizes the internal microstructure of the gear material, enhancing overall mechanical performance. This step increases load-bearing capacity, torque resistance, and prepares the gear for fine grinding.

DIN6-Class Precision Grinding: Each gear undergoes precision grinding using advanced equipment to achieve a fine tooth surface finish with less roughness. The finished gears meet DIN 6 accuracy standards, ensuring tight and smooth meshing during operation. This high degree of precision significantly reduces vibration and transmission noise while increasing overall efficiency. Such characteristics are critical for CNC machines, automated production lines, and other systems requiring high positioning accuracy and smooth motion.

Modular Design for Versatile Applications
5M Gears (Module 5): With balanced size, torque capacity, and weight, 5M gears are widely used in medium-duty transmission systems. Typical applications include conveyors, robotic arms, and automation equipment where stable and efficient power delivery is required.

6M Gears (Module 6): Featuring larger tooth dimensions and enhanced load capacity, 6M gears are better suited for heavy-duty machinery. They are commonly used in equipment such as mining machines, metallurgical gearboxes, and other high-load transmission applications, offering dependable power transfer under harsh conditions.

Broad Industrial Applications
Yuchen’s 5M and 6M DIN6 ground helical gears are trusted across multiple industries for their accuracy, strength, and stability:

Industrial Automation: Ensures precise robotic movement for tasks such as pick-and-place, material handling, and assembly operations, enhancing productivity and consistency.

CNC Machine Tools: Enables accurate feed control and table movement, critical for machining precision components.

Robotics: Serves as the core transmission component in robotic joints, supporting complex motion sequences with reliable torque delivery.

Logistics Equipment: Powers conveyor lines and sorting systems, ensuring smooth and efficient material flow in warehouses and distribution centers.

Choosing Yuchen 5M and 6M quenched and ground helical gears means selecting a transmission solution built on quality, precision, and reliability. Backed by advanced manufacturing processes and a commitment to professional service, Yuchen provides the solid transmission support your equipment needs to perform in competitive industrial environments.

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 industrial sector, gears serve as critical components in transmission systems, where their performance directly impacts equipment efficiency and operational stability. The Yuzhen 2M Ground Helical Flange Gear stands out among similar products due to its exceptional quality and exquisite craftsmanship, making it an ideal choice for industrial transmission applications.

1. Premium Material Selection Lays the Foundation for Quality
The Yuzhen 2M Ground Helical Flange Gear is manufactured from high-quality 20CrMnTi alloy steel. This material offers nice comprehensive mechanical properties that, after heat treatment, significantly enhance hardness and wear resistance. It provides good strength and toughness, particularly suited for heavy load and impact conditions. By selecting this material at the source, the gear ensures outstanding durability and reliability, maintaining stable operation over extended periods even under harsh working environments, thereby reducing maintenance frequency and replacement costs.

2. Grinding Process Ensures High Precision and Quality
High precision is the core advantage of the Yuzhen 2M Ground Helical Flange Gear. During manufacturing, advanced grinding techniques are applied to finely finish the gear tooth surfaces. The ground teeth achieve a low surface roughness and accuracy reaching DIN6 grade or higher. This precision enables tighter and smoother tooth meshing during operation, substantially reducing noise and vibration in the transmission process. It also enhances transmission efficiency and guarantees precise motion control, fulfilling the stringent accuracy requirements of applications such as CNC machine tools and precision automation equipment.

3. Unique Design to Meet Diverse Requirements

Flange Structure: The distinctive flange design facilitates easier and more secure installation. With the flange plate, the gear can be directly connected to the equipment shaft or other components, minimizing the need for additional mounting accessories and complex installation steps. This not only improves installation efficiency but also strengthens the connection reliability, effectively preventing transmission failures caused by loosening and ensuring stable equipment operation.

2M Module: The 2-module size is carefully engineered and market-validated, balancing sufficient transmission torque with compact gear dimensions and weight. This module size suits a wide range of transmission systems with varying power and speed demands, offering strong versatility. It is widely applicable in industrial automation production lines, robotics, logistics equipment, and more.

4. Wide Application Supports Industrial Upgrading
Thanks to its outstanding performance, the Yuzhen 2M Ground Helical Flange Gear supports precise positioning and efficient gripping in industrial robotic arms; guarantees accurate tool path control in CNC machine tools for high-precision part machining; provides stable power for flexible motion in robotic joint transmission systems; and ensures smooth, efficient material handling in logistics conveyor and sorting systems.

Choosing the Yuzhen 2M Ground Helical Flange Gear means opting for a high-quality, high-precision, and highly reliable transmission solution. With a professional attitude and advanced technology, Yuzhen offers solid transmission support for your industrial equipment, working together to create a brilliant future in the industrial field.