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Help CenterSpur Gear Helical Gear Bevel Gear Precision Set 20CrMnTi 62HRC With Mill Test Certificate
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Henan San Kuang Machinery Technology Co., Ltd. has been a trusted manufacturer of precision transmission components since 2014. We are proud to present our Spur Gear, Helical Gear, and Bevel Gear Precision Set, crafted from high-grade 20CrMnTi alloy steel and hardened to 62HRC. Each set is supplied with a Mill Test Certificate, ensuring full traceability and material integrity. This gear set is designed for demanding industrial applications where reliability, load capacity, and exacting tolerances are critical.
Our gears are manufactured in a 10,000-30,000 square meter facility with a skilled team of 51-100 employees. We export globally to markets including North America, Europe, and Asia, with annual export values reaching US$2.5-5 million. The combination of advanced heat treatment, precision machining, and rigorous quality control makes this gear set a superior choice for OEMs and replacement part buyers.
Key Features & Technical Specifications
- High Strength Material: 20CrMnTi alloy steel offers excellent core toughness and surface hardness after carburizing.
- Consistent Hardness: 62HRC surface hardness provides superior wear resistance and extended service life.
- Comprehensive Gear Types: Includes spur, helical, and bevel gears in one precision set for versatile drivetrain configurations.
- Mill Test Certificate: Each batch is tested and certified, guaranteeing chemical composition and mechanical properties.
- Customizable Dimensions: Modules, tooth counts, shaft bores, and keyways can be tailored to your specific requirements.
- Surface Finish: Ground teeth ensure smooth operation, low noise, and high efficiency.
- Heat Treatment: Carburizing, quenching, and tempering processes optimize hardness and toughness.
| Parameter | Specification |
|---|---|
| Material | 20CrMnTi (AISI 8620 equivalent) |
| Hardness (Surface) | 62HRC (Rockwell C) |
| Hardness (Core) | 30-40HRC |
| Precision Grade | ISO 6-8 (DIN 6-8 available) |
| Tooth Profile | Involute, custom angles |
| Heat Treatment | Carburizing + Quenching + Tempering |
| Testing | Mill Test Certificate, hardness test, gear inspection |
| Module Range | 1-20 (customizable) |
Advantages for Your Application
- Enhanced Durability: The 20CrMnTi alloy with 62HRC surface hardness withstands heavy loads and high torque without premature wear.
- Reduced Noise & Vibration: Helical gears provide smoother engagement, while precision ground teeth minimize backlash.
- Multi-Angle Transmission: Bevel gears allow power transfer between intersecting shafts, ideal for compact layouts.
- Full Traceability: Mill Test Certificate offers documented proof of material quality, essential for regulated industries.
- Cost-Effective Solution: Instead of sourcing individual gears, this set reduces procurement complexity and ensures matched quality.
- Global Logistics Support: We ship from multiple ports (Shanghai, Lianyungang, Qingdao, Tianjin) with reliable delivery times.
Our gear sets are widely used in agricultural machinery, construction equipment, mining conveyors, industrial gearboxes, and automotive drivetrains. The combination of material strength and precision machining delivers consistent performance even under harsh conditions.
Our Commitment to Quality
Henan San Kuang Machinery Technology Co., Ltd. operates under strict quality management systems. We hold multiple certifications including ISO9001, ISO14000, OHSAS18001, and QS9000, reflecting our dedication to product quality, environmental responsibility, and occupational health. Our factory spans 10,000-30,000 square meters and is equipped with advanced CNC gear hobbing, shaping, and grinding machines. Every gear set undergoes dimensional inspection, hardness testing, and surface finish verification before shipment.
With an annual export value of US$2.5-5 million and a presence in over 15 global markets, we have earned the trust of clients from North America to Australia. Our team of 51-100 experienced professionals ensures timely communication and technical support. We invite you to contact us for a quote or to discuss custom gear requirements. Whether you need a standard precision set or a fully customized solution, we are ready to serve.
Frequently Asked Questions
Q1: What is the typical lead time for this gear set?
A: For standard sizes, lead time is 15-25 working days after order confirmation. Custom orders may require 30-40 days depending on complexity.
Q2: Can I get a sample before placing a bulk order?
A: Yes, sample orders are welcome. We can provide a small quantity for testing, but sample cost and shipping are negotiable.
Q3: Are the gears interchangeable with other brands?
A: Our gears are manufactured to standard modules and pressure angles (20°). They can replace most commercial gears with matching dimensions. Please provide your gear specifications for verification.
Q4: What does the Mill Test Certificate include?
A: It includes chemical composition analysis (C, Mn, Si, Cr, Ti, etc.) and mechanical property test results (tensile strength, yield strength, elongation, impact energy).
Q5: Is the hardness of 62HRC uniform across the entire tooth?
A: The surface hardness is 62HRC after carburizing, with a case depth of 0.8-1.5mm. The core hardness remains lower (30-40HRC) for toughness.
Q6: Do you provide custom bore sizes and keyways?
A: Yes, we can machine the bore to your required diameter and add keyways, set screws, or splines as per your drawing.
Q7: What packaging is used for export?
A: Gears are individually wrapped in oil-proof paper, then packed in wooden cases or plywood pallets with foam cushioning to prevent damage during transit.
Q8: Do you offer after-sales technical support?
A: Absolutely. Our engineering team is available for online consultation and can assist with installation, troubleshooting, and gear design advice.
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