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Product Advantage
1. High Precision CNC Machining
Our spur gears are manufactured using CNC precision machining with tight tolerances of ±0.01 mm, ensuring accurate tooth alignment and smooth operation. The high precision CNC machined spur gear guarantees minimal backlash and efficient torque transmission in gearboxes and mechanical drive systems. This precise manufacturing process improves durability and reduces noise during operation, making it ideal for both automotive transmission components and industrial machinery applications.
2. Durable Materials and Surface Treatment
We use high-quality alloy steel or stainless steel for our spur gears, combined with heat treatment and surface finishing such as hardening, polishing, or black oxide coating. These processes enhance wear resistance, fatigue strength, and corrosion protection. The result is a long-lasting CNC machined spur gear capable of withstanding heavy-duty industrial usage. Customers can also request custom material grades and hardness levels to meet specific performance requirements.
3. Customizable Design and Sizes
Our spur gears are fully customizable, supporting OEM CNC machining services for a wide range of specifications. Clients can provide drawings or exact dimensions, and we deliver custom metal spur gears tailored for specific gearbox, transmission, or mechanical drive applications. This flexibility ensures seamless integration with existing systems, reduces assembly errors, and optimizes operational efficiency.
4. Reliability and Industry Compliance
Each spur gear undergoes strict quality control with CMM inspection and precision measurement to meet international standards. Our CNC machined industrial spur gears are ISO9001 certified and designed to deliver consistent performance in demanding environments. With controlled tolerances, high durability, and verified dimensional accuracy, these gears offer reliable power transmission solutions for automotive, industrial machinery, and mechanical engineering applications.
Technical Parameters
| Product Parameters | Content |
| Product Name | Spur Gear |
| Application | Automotive & Industrial |
| Material | Alloy Steel 40Cr |
| Surface Treatment | Black Oxide, Galvanized |
| Weight | 1.2-8.5kg |
| Tolerance Class | IT:7 |
| Minimum Order Quantity | 10 pcs |
| Surface Roughness | Ra:1.6–6.3μm |
| Processing Technology | Forging + CNC Machining |
| Production Volume | Over 1000 Pieces Per Month |
| Heat Treatment | Quenching and Tempering |
| Hardness | HRC 52-58 |
| Testing Method | Coordinate Measuring |
Product Uses
1. Core Component for Automotive Transmission System
Suitable for gearboxes and transfer cases of light trucks, SUVs and pickups, it undertakes the task of transmitting engine power to wheels. The high strength of 40Cr material and high hardness of tooth surface can withstand frequent shifting impacts, ensuring stable transmission under complex road conditions.
2. Key Part for Industrial Machine Tool Power Transmission
Used in spindle transmission systems of precision equipment such as CNC lathes and milling machines. With GB 5-6 accuracy class, it ensures transmission precision during high-speed operation and reduces vibration errors, enhancing the machining accuracy of parts.
3. Driving Part for Construction Machinery Hydraulic System
Applied in hydraulic pump transmission mechanisms of small loaders and excavators, adapting to harsh working conditions like dust and jolting. The tooth body with quenching and tempering treatment has both toughness and strength, stably driving the hydraulic system.
Product Video
FAQ
Q1: What makes 40Cr material suitable for gear manufacturing?
40Cr is medium carbon alloy steel with excellent strength and hardenability. After heat treatment, its tooth surface hardness reaches 52-58HRC, ensuring wear resistance, while the core remains tough to withstand impacts.
Q2: Can you customize gears according to specific drawings?
Yes, we offer full customization. Provide parameters like module, number of teeth, precision class and surface treatment requirements. The MOQ for custom gears is 200 pieces, with samples available first.
Q3: What’s the service life of this 40Cr spur gear?
Under normal working conditions, its service life exceeds 10,000 hours. The forging process and quenching-tempering treatment optimize material structure, enhancing durability for long-term stable operation.
Q4: Are you a factory or a trading company?
We are a professional manufacturing factory with our own production workshop and CNC equipment. We can control production costs and quality directly, providing competitive prices and timely delivery.
Product Advantage
1. High Precision CNC Machining
Our spur gears are manufactured using CNC precision machining with tight tolerances of ±0.01 mm, ensuring accurate tooth alignment and smooth operation. The high precision CNC machined spur gear guarantees minimal backlash and efficient torque transmission in gearboxes and mechanical drive systems. This precise manufacturing process improves durability and reduces noise during operation, making it ideal for both automotive transmission components and industrial machinery applications.
2. Durable Materials and Surface Treatment
We use high-quality alloy steel or stainless steel for our spur gears, combined with heat treatment and surface finishing such as hardening, polishing, or black oxide coating. These processes enhance wear resistance, fatigue strength, and corrosion protection. The result is a long-lasting CNC machined spur gear capable of withstanding heavy-duty industrial usage. Customers can also request custom material grades and hardness levels to meet specific performance requirements.
3. Customizable Design and Sizes
Our spur gears are fully customizable, supporting OEM CNC machining services for a wide range of specifications. Clients can provide drawings or exact dimensions, and we deliver custom metal spur gears tailored for specific gearbox, transmission, or mechanical drive applications. This flexibility ensures seamless integration with existing systems, reduces assembly errors, and optimizes operational efficiency.
4. Reliability and Industry Compliance
Each spur gear undergoes strict quality control with CMM inspection and precision measurement to meet international standards. Our CNC machined industrial spur gears are ISO9001 certified and designed to deliver consistent performance in demanding environments. With controlled tolerances, high durability, and verified dimensional accuracy, these gears offer reliable power transmission solutions for automotive, industrial machinery, and mechanical engineering applications.
Technical Parameters
| Product Parameters | Content |
| Product Name | Spur Gear |
| Application | Automotive & Industrial |
| Material | Alloy Steel 40Cr |
| Surface Treatment | Black Oxide, Galvanized |
| Weight | 1.2-8.5kg |
| Tolerance Class | IT:7 |
| Minimum Order Quantity | 10 pcs |
| Surface Roughness | Ra:1.6–6.3μm |
| Processing Technology | Forging + CNC Machining |
| Production Volume | Over 1000 Pieces Per Month |
| Heat Treatment | Quenching and Tempering |
| Hardness | HRC 52-58 |
| Testing Method | Coordinate Measuring |
Product Uses
1. Core Component for Automotive Transmission System
Suitable for gearboxes and transfer cases of light trucks, SUVs and pickups, it undertakes the task of transmitting engine power to wheels. The high strength of 40Cr material and high hardness of tooth surface can withstand frequent shifting impacts, ensuring stable transmission under complex road conditions.
2. Key Part for Industrial Machine Tool Power Transmission
Used in spindle transmission systems of precision equipment such as CNC lathes and milling machines. With GB 5-6 accuracy class, it ensures transmission precision during high-speed operation and reduces vibration errors, enhancing the machining accuracy of parts.
3. Driving Part for Construction Machinery Hydraulic System
Applied in hydraulic pump transmission mechanisms of small loaders and excavators, adapting to harsh working conditions like dust and jolting. The tooth body with quenching and tempering treatment has both toughness and strength, stably driving the hydraulic system.
Product Video
FAQ
Q1: What makes 40Cr material suitable for gear manufacturing?
40Cr is medium carbon alloy steel with excellent strength and hardenability. After heat treatment, its tooth surface hardness reaches 52-58HRC, ensuring wear resistance, while the core remains tough to withstand impacts.
Q2: Can you customize gears according to specific drawings?
Yes, we offer full customization. Provide parameters like module, number of teeth, precision class and surface treatment requirements. The MOQ for custom gears is 200 pieces, with samples available first.
Q3: What’s the service life of this 40Cr spur gear?
Under normal working conditions, its service life exceeds 10,000 hours. The forging process and quenching-tempering treatment optimize material structure, enhancing durability for long-term stable operation.
Q4: Are you a factory or a trading company?
We are a professional manufacturing factory with our own production workshop and CNC equipment. We can control production costs and quality directly, providing competitive prices and timely delivery.
