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Help CenterCustom Precision Heavy Load Gear 40Cr Material 20 Teeth Non-standard Module 3
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Henan San Kuang Machinery Technology Co., Ltd. introduces our Custom Precision Heavy Load Gear manufactured from premium 40Cr alloy steel, featuring 20 teeth and a non-standard module 3. As a specialized manufacturer with over 10,000 square meters of modern facilities and a dedicated team of 51-100 skilled workers, we ensure each gear meets rigorous quality standards. Our gears are designed to deliver reliable performance under extreme loads, making them ideal for demanding industrial applications. With annual export value exceeding US$2.5 million and shipments to major ports worldwide, we have earned trust from clients across North America, Europe, Southeast Asia, and beyond.
Product Features & Technical Specifications
High-Quality Material: Made from 40Cr alloy steel, known for excellent wear resistance and toughness, ensuring long service life even under heavy cyclic loading.
Custom Non-Standard Module 3: Designed to meet your specific transmission requirements where standard modules are not suitable. We offer flexibility in tooth profile modification for optimized load distribution.
Precision Machining: CNC hobbing and grinding processes achieve accuracy grades from ISO 6 to ISO 8 (customizable), ensuring smooth operation and low noise.
Heat Treatment Options: Available heat treatments include quenching, tempering, carburizing, or nitriding, tailored to achieve target surface hardness (typically HRC 50-55) and core toughness.
Heavy Load Capacity: Optimized tooth geometry and material selection enable the gear to sustain high torque and shock loads, suitable for cranes, mining equipment, and industrial drives.
Surface Finishing: Optional anti-corrosion coating, phosphate treatment, or shot peening for enhanced durability.
| Parameter | Value / Range |
|---|---|
| Material | 40Cr (AISI 5140 equivalent) |
| Number of Teeth | 20 |
| Module | 3 (Non-standard) |
| Pressure Angle | 20° (default, customizable) |
| Accuracy Grade | DIN 6-8 (ISO 1328) |
| Surface Hardness | HRC 50-55 (after heat treatment) |
| Core Hardness | HRC 28-35 (tempered) |
| Maximum Outer Diameter | Custom (up to 2000 mm) |
| Tooth Surface Finish | Ra 0.8 – 1.6 μm (customizable) |
Key Benefits for Your Application
Reduced Downtime: Superior material and precision manufacturing minimize wear and premature failure, keeping your machinery running longer.
Custom Fit: Non-standard module and tooth count allow seamless integration into existing gearboxes without redesign.
Cost-Effective: Optimized design reduces material waste and production cost for medium-to-large batch orders.
Versatile Compatibility: Works with various lubrication systems and operating environments, from heavy dust to high temperature.
Why Choose Henan San Kuang Machinery?
With our establishment in 2022, we have rapidly grown to occupy a factory size of 10,000–30,000 square meters in Luoyang, Henan, China. Our production lines are equipped with advanced CNC gear hobbing, shaping, grinding machines, and testing equipment. Our products are exported to over a dozen global markets, and we maintain long-term relationships with clients from South America, Eastern Europe, Africa, and the Middle East.
We understand that gear failures can cause costly production stoppages. That's why each Custom Precision Heavy Load Gear undergoes strict dimensional inspection and hardness testing before shipment. Our experienced engineers are available to discuss your specific requirements and provide tailored solutions — whether it's a prototype or mass production. Contact us today for a quotation or technical consultation.
Frequently Asked Questions
Q: Can you manufacture gears with different tooth counts or modules?
A: Yes, we specialize in custom non-standard gears. You can specify any number of teeth, module, pressure angle, and helix angle. Send us your drawing or parameters for evaluation.Q: What is the typical lead time for a custom gear like this?
A: Lead time depends on complexity and quantity. For a single piece or small batch, it usually takes 15–25 working days. Larger orders may require 30–45 days. We can expedite for urgent cases.Q: Do you offer heat treatment and surface coating services?
A: Yes, we provide quenching, tempering, carburizing, nitriding, and optional coatings such as black oxide, phosphating, or zinc plating. Hardness can be customized per your requirement.Q: How do you ensure the quality of the gear?
A: We follow a strict quality control process: incoming material chemical analysis, in-process dimensional inspection with CNC gear testers, final hardness testing, and runout check. We can also provide a detailed inspection report with each shipment.Q: What is the maximum size you can produce?
A: Our equipment can handle gears up to 2000 mm in outer diameter and module up to 20. For larger sizes, please consult our engineering team.Q: Do you support drop shipment to multiple destinations?
A: Yes, we ship from major Chinese ports (Shanghai, Lianyungang, Qingdao, Tianjin) and can arrange door-to-door delivery for international clients.Q: Can I get a sample before placing a bulk order?
A: Certainly. We accept sample orders for evaluation. Sample cost and delivery time will be quoted separately. For repeat orders, we offer discounts.Q: What payment terms do you accept?
A: Common payment terms include T/T (30% deposit, 70% before shipment), L/C at sight, and others upon negotiation.
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