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Help CenterStainless Steel 304 Internal Gear and External Gear Module 1.5 High Torque Corrosion Resistant
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Henan San Kuang Machinery Technology Co., Ltd. takes pride in offering our Stainless Steel 304 Internal Gear and External Gear Module 1.5 – a precision-engineered solution designed for high-torque applications where corrosion resistance is non-negotiable. With over a decade of manufacturing experience, we combine robust material selection with advanced machining techniques to deliver gears that meet the rigorous demands of industries such as food processing, chemical equipment, marine engineering, and automated machinery. Our commitment to quality is backed by a comprehensive set of certifications, including ISO9001, HACCP, and SA8000, ensuring every gear set performs reliably under extreme conditions.
This gear series features both internal and external configurations with a module of 1.5, crafted from premium Stainless Steel 304 – an alloy known for its excellent resistance to rust, acids, and high-temperature oxidation. The design emphasizes high torque transmission with minimal backlash, making it ideal for power transmission systems that require precise motion control. Whether you need a single gear or a matched pair, our products are manufactured with strict tolerances to ensure seamless integration into your existing assemblies.
Below we highlight the key technical specifications and performance characteristics of our Stainless Steel 304 gears.
Key Features & Benefits
- Material Excellence: Stainless Steel 304 offers superior corrosion resistance against moisture, chemicals, and harsh environments, extending the service life of your equipment.
- High Torque Density: Optimized tooth profile and heat treatment options (e.g., carburizing, nitriding) allow the gear to handle higher loads without deformation.
- Precision Module 1.5: Standardized tooth size ensures compatibility with a wide range of mating gears and facilitates easy replacement or customization.
- Internal & External Versatility: Available in both internal (ring gear) and external (pinion) forms, enabling flexible design for planetary gearboxes, pumps, and differential drives.
- Low Noise & Vibration: Precision grinding and strict gear inspection (using Klingelnberg or equivalent) result in smooth meshing and reduced operational noise.
- Customizable Options: We offer modifications such as keyways, set screws, bore size adjustment, and surface coatings (e.g., DLC, PTFE) upon request.
- Compliance with International Standards: Our gears are manufactured in accordance with ISO 9001, ISO 14000, and other relevant quality management systems, ensuring consistent quality.
Technical Specifications
| Material | Stainless Steel 304 (AISI 304 / 1.4301) |
| Module | 1.5 |
| Gear Type | Internal Spur Gear / External Spur Gear |
| Pressure Angle | 20° (standard) |
| Number of Teeth | Customizable (e.g., 20–120 teeth for external; 40–150 for internal) |
| Face Width | 10–80 mm (based on application) |
| Tooth Hardness | Optional: 35–60 HRC (case hardened) |
| Surface Finish | Ra ≤ 1.6 μm (as ground) |
| Max Torque | Up to 1200 N·m (depending on size and heat treatment) |
| Operating Temperature | -40°C to +300°C (continuous) |
Why choose our Stainless Steel 304 gears? The combination of corrosion resistance and high torque capacity makes them indispensable in environments where ordinary steel gears would fail due to rust or chemical attack. For example, in food processing plants, our gears can withstand frequent washdowns with sanitizing agents without degrading. In marine applications, they resist saltwater corrosion, ensuring long-term reliability. The module 1.5 size is versatile enough for compact drives yet strong enough for moderate power transmission.
Our manufacturing process begins with certified raw materials sourced from reputable mills. Each blank is forged, normalized, and then precision machined on state-of-the-art CNC gear hobbing and shaping machines. After heat treatment (if required), we perform final grinding to achieve AGMA quality class 8–10 or equivalent. Every gear is inspected using coordinate measuring machines (CMM) and gear testers to verify tooth profile, lead, and pitch accuracy. This rigorous quality control ensures that every gear leaving our factory meets the highest standards.
We also offer comprehensive customization services. Whether you need a specific bore diameter, keyway, set screw, or special surface coating (e.g., electroless nickel plating), our engineering team can work with you to develop a tailored solution. We provide free consultation for quantity requirements and technical drawings.
Frequently Asked Questions (FAQ)
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Q: What is the difference between internal and external gears in this series?
A: External gears have teeth on the outer circumference and are typically used as pinions. Internal gears have teeth on the inner circumference and act as ring gears. They are often used together in planetary gear systems. Both are available in module 1.5 and stainless steel 304. -
Q: Can these gears be used in high-temperature environments?
A: Yes, Stainless Steel 304 maintains good mechanical properties up to around 300°C. For higher temperatures, we recommend optional heat treatment or alternative materials like 316L, which can be discussed. -
Q: Do you offer gears with custom bore sizes or keyways?
A: Absolutely. We can machine the bore and keyway to your exact specifications. Please provide a drawing or detailed dimensions when ordering. -
Q: What is the typical lead time for these gears?
A: For standard sizes, lead time is 15–20 working days. Custom orders may take 25–35 working days depending on complexity. We also offer express service for urgent orders. -
Q: How do you ensure the gears are corrosion resistant?
A: We use only genuine 304 stainless steel with proper composition (low carbon, 18% Cr, 8% Ni). After machining, we passivate the surface to enhance the natural oxide layer, providing maximum protection against corrosion. -
Q: Are these gears suitable for food-grade applications?
A: Yes, Stainless Steel 304 is widely accepted in food processing equipment. Our gears are manufactured under HACCP and ISO 9001 systems, ensuring clean production processes. We can also provide FDA-compliant lubricants upon request. -
Q: What is the minimum order quantity?
A: Our MOQ is 10 pieces for standard modules. For custom orders, MOQ may be lower (e.g., 5 pieces) if you provide a signed contract. We also welcome small trial orders for new customers. -
Q: Do you export to countries outside of China?
A: Yes, we export globally. Our main markets include North America, South America, Europe, Southeast Asia, Africa, and Oceania. We ship from Shanghai, Lianyungang, Qingdao, or Tianjin ports, and we can handle all customs documentation.
Trusted by industries worldwide – Henan San Kuang Machinery Technology Co., Ltd. has been a reliable partner since 2014. With a factory spanning 10,000–30,000 square meters and a dedicated team of 51–100 employees, we have an annual export value of US$2.5–5 million. Our products are backed by multiple certifications, including ISO9001, ISO14000, HACCP, SA8000, and OHSAS18001, reflecting our commitment to quality, environmental responsibility, and social accountability.
We invite you to experience the performance and durability of our Stainless Steel 304 Internal Gear and External Gear Module 1.5. Whether you need a few units for prototyping or large quantities for production, our team is ready to support you with competitive pricing, fast delivery, and technical expertise. Contact us today for a quote or to discuss your specific requirements.
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