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BSD's CNC machined precision pinion gears are engineered for heavy-duty power transmission systems that operate under high-torque and high-speed conditions. Produced through advanced CNC machining and precision gear cutting techniques, these components deliver consistent tooth profile accuracy and load-bearing capacity across extended operational periods.
Established in 2012, BSD Machinery operates an 8,000-square-meter modern production facility in Suzhou, China, with independent import and export capabilities. Our technical team combines 14 years of precision manufacturing experience with cutting-edge equipment to deliver components that meet DIN and ISO international standards. We serve original equipment manufacturers and industrial clients across multiple sectors, providing both standard and custom-engineered solutions tailored to specific application requirements.
DIN 5-7 Grade Accuracy: Achieves tooth profile deviation ≤0.002mm and dimensional tolerances of ±0.005mm, enabling smooth meshing and minimal backlash between mating components
HRC 58-62 Surface Hardness: Creates a wear-resistant outer layer while maintaining a ductile core that resists impact and fatigue
High Tensile Strength: Constructed from 20CrMnTi or 42CrMo alloy steel (customizable) to withstand continuous heavy loads
Low Noise Emission: Precision-ground tooth profiles reduce vibration and operational sound levels
Seamless Integration: Precision-machined keyways, chamfers, and mounting features ensure direct compatibility with existing systems
We source certified alloy steels that undergo pre-heat treatment (normalizing or quenching and tempering) to refine grain structure and ensure uniform mechanical properties. This process minimizes post-machining deformation and establishes a consistent foundation for subsequent manufacturing steps.
Multi-axis CNC lathes transform raw blanks into near-net shape, creating central bores, shaft journals, and outer diameters with tight dimensional control. Precision gear hobbing and shaping machines generate helical or spur tooth profiles according to DIN 5-7 specifications. Post-cutting CNC gear grinding further refines tooth geometry to achieve the required pitch and profile accuracy.
Low-pressure carburizing followed by high-pressure gas quenching creates a hardened surface layer while preserving core toughness. Stress relief annealing eliminates residual stresses from previous processes, preventing dimensional distortion over the component's service life.
Central bores undergo honing to achieve a surface roughness of Ra ≤0.4μm, ensuring a tight, interference-free fit with mating shafts. A uniform black oxide coating is applied to provide corrosion resistance and anti-galling properties.
Our quality control process includes three stages of inspection to verify compliance with design specifications. Coordinate Measuring Machines (CMM) validate critical dimensions including bore diameter, tooth pitch, and profile deviation against CAD models. Precision gear measuring centers test tooth profile, lead, and pitch accuracy to ensure adherence to international standards.
Material and mechanical testing includes Rockwell hardness testing to confirm surface and core hardness, as well as metallographic analysis to verify uniform carburization and detect internal defects. Sample components undergo bench testing under simulated operating loads to validate fatigue performance and load-bearing capacity. We maintain ISO 9001 and AS9100 certifications and achieve a 98%+ on-time delivery rate.
These pinion gears find use in various industrial sectors where power transmission reliability is critical:
Automotive powertrain and transmission systems
Industrial machinery and automation equipment
Aerospace actuation and control systems
Hydraulic machinery components
Textile manufacturing equipment
Each application benefits from the precision manufacturing and material properties that enable consistent performance under demanding operating conditions.
We provide end-to-end support throughout the entire customer journey. Our pre-sales technical team offers expert advice on material selection, tolerance optimization, and surface treatment options. We conduct Design for Manufacturing (DFM) analysis using CAD/CAM simulations to ensure manufacturability and reduce lead times. Rapid prototyping services are available for functional testing before full production.
During manufacturing, we provide regular progress updates with photos and videos of critical processes. We offer flexible shipping options including FOB and CIF, with export packaging designed to prevent transit damage. Post-delivery support includes a 24-month warranty for material and processing defects, as well as technical assistance for assembly and performance optimization.
Yes, we specialize in custom CNC machining small gears based on customer drawings, 3D models, or physical samples. Our engineering team can provide DFM suggestions to optimize gear design, machining process, and production cost.
We can manufacture precision small gears using various materials, including stainless steel, carbon steel, alloy steel, aluminum, brass, copper, and engineering plastics. Material selection can be optimized based on load requirements, wear resistance, corrosion resistance, and application environment.
Our CNC machining capability allows us to produce high precision gear components with tight tolerances. Critical dimensions can be controlled according to customer requirements, with professional inspection equipment such as CMM measurement systems to ensure consistent quality.
We can produce various customized gear types, including spur gears, helical gears, small transmission gears, miniature gears, and precision gear components for industrial equipment, automation systems, robotics, and mechanical assemblies.
We support prototype development, small-batch production, and mass production of CNC machined gears. Whether you need a few samples for testing or continuous production quantities, we can provide flexible manufacturing solutions.
We implement strict quality control throughout the manufacturing process, including incoming material inspection, CNC machining process monitoring, dimensional inspection, and final quality verification. Inspection reports can be provided according to customer requirements.
Request a Custom Solution
Whether you require standard pinion gears or custom-engineered components for specific applications, our team is ready to assist. Contact our engineers today to discuss your project requirements, request a detailed quote, or download technical specifications. We work closely with each client to develop solutions that optimize performance and streamline supply chain operations.
