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Help CenterPrecision Heavy Load Gear for Packaging Machinery Non-standard Helical Gear 20MnCr5
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Henan San Kuang Machinery Technology Co., Ltd. specializes in manufacturing high-precision, heavy-load gears for demanding industrial applications. Our Precision Heavy Load Gear for Packaging Machinery – Non-standard Helical Gear 20MnCr5 is engineered to deliver exceptional durability and smooth power transmission in high-speed, continuous operation environments. Using premium 20MnCr5 alloy steel, combined with advanced heat treatment and precision grinding, this gear offers outstanding resistance to wear and fatigue, ensuring long service life even under extreme loads. As a flexible manufacturer, we provide non-standard designs tailored to your specific packaging machinery requirements, helping you optimize performance and reduce downtime.
Our factory, located in Luoyang, Henan, China, spans 10,000–30,000 square meters and is equipped with state-of-the-art gear cutting, hobbing, and grinding machines. With an annual export value of US$2.5–5 million and a workforce of 51–100 experienced professionals, we are dedicated to delivering consistent quality and on-time delivery to global markets.
Product Features & Technical Specifications
Premium Material 20MnCr5: This low-carbon alloy steel provides excellent core toughness and surface hardness after carburizing and quenching, ideal for heavy-load helical gears.
Non-Standard Customization: We manufacture gears according to your drawings or samples – module, tooth count, helix angle, bore size, and keyway can all be customized.
High Precision Grinding: After heat treatment, teeth are ground to achieve DIN 6–8 grade accuracy, ensuring low noise, minimal vibration, and smooth meshing.
Heavy Load Capacity: Optimized tooth profile and carburized case (58–62 HRC) enable the gear to withstand high torque and shock loads typical in packaging machinery.
Extended Service Life: Superior wear resistance and fatigue strength reduce replacement frequency, lowering maintenance costs for your packaging line.
Rigorous Quality Control: Every gear undergoes hardness testing, dimensional inspection, and magnetic particle or ultrasonic flaw detection to guarantee reliability.
| Parameter | Standard Value | Remarks |
|---|---|---|
| Material | 20MnCr5 | Alloy steel for carburizing |
| Module (M) | 1.5 – 12 mm | Customizable |
| Tooth Count | 10 – 200 | Per customer requirements |
| Hardness (Case) | 58 – 62 HRC | After carburizing and quenching |
| Core Hardness | 30 – 40 HRC | Tough core for shock resistance |
| Precision Grade | DIN 6 – DIN 8 | Higher grades available on request |
| Max Outer Diameter | Up to 1200 mm | Depending on equipment |
| Application | Packaging machinery, conveyors, etc. | Also suitable for other heavy-load drives |
Advantages for Your Packaging Machinery
Reduced Noise & Vibration: High-precision helical teeth ensure smooth engagement, critical for maintaining product integrity in high-speed packaging lines.
Minimal Maintenance: The hardened surface resists pitting and wear, meaning fewer replacements and lower total cost of ownership.
Seamless Integration: Non-standard dimensions allow direct replacement of existing gears or integration into custom gearboxes.
Trust Henan San Kuang Machinery Technology Co., Ltd. With over US$2.5–5 million in annual exports and a factory covering 10,000–30,000 m², we have supplied precision gears to clients across North America, Europe, Asia, Africa, and Oceania. Our products are manufactured under rigorous quality systems including ISO9001, SA8000, OHSAS18001, and HACCP, ensuring every gear meets international standards. We ship from major ports such as Shanghai, Qingdao, Tianjin, and Lianyungang with reliable logistics partners.
We invite you to contact us with your specific gear requirements – whether it's a modified helix angle, custom bore size, or special surface treatment, our team of engineers is ready to deliver a solution that maximizes your packaging machinery's performance.
Frequently Asked Questions (FAQ)
Q1: Why choose 20MnCr5 material for heavy-load gears?
A: 20MnCr5 is a low-carbon alloy steel that, after carburizing and quenching, produces a hard wear-resistant case (58-62 HRC) while maintaining a tough ductile core. This combination provides excellent fatigue strength and impact resistance, ideal for packaging machinery that runs continuously under high torque.
Q2: Can you manufacture gears that are not standard (non-standard)?
A: Absolutely. We specialize in non-standard helical gears. You can provide drawings or sample parts, and we will produce gears with custom modules, tooth counts, helix angles, bore sizes, keyway dimensions, and even special tooth profiles.
Q3: What precision grades do you offer?
A: Our standard precision range is DIN 6–8. Higher grades (DIN 5 or better) can be achieved with additional grinding and inspection, available upon request. We recommend the appropriate grade based on your application speed and load.
Q4: What is the typical lead time for non-standard gears?
A: Lead time depends on complexity and quantity. For a standard non-standard gear (e.g., module 3, 30 teeth), it is typically 20–30 working days after drawing approval and material confirmation. Urgent orders can be discussed.
Q5: Do you provide heat treatment and surface finishing?
A: Yes, we offer carburizing, quenching, tempering, and grinding as standard processes. We can also apply additional coatings such as nitriding or phosphating if required. All heat treatment is performed in-house or by certified partners.
Q6: How do you ensure quality during production?
A: We implement a multi-stage quality control system: incoming material inspection (spectrometer analysis), in-process checks (tooth geometry, hardness), and final inspection (gear testing machine, 3D coordinate measurement, magnetic particle testing). Every gear comes with a test report.
Q7: What is the maximum size you can produce?
A: Our current capacity can handle gears with outer diameter up to 1200 mm (approx. 47 inches) and module up to 12. For larger sizes, please consult our engineering team for feasibility.
Q8: Do you offer samples before mass production?
A: Yes, we can produce sample gears for your trial and approval. Sample cost and lead time will be quoted separately, and we can adjust design based on your feedback before mass production.
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