*If you have any design files that need to be sent, please email them to jaycnc@yeah.net
Large Diameter Internal Gears are highly specialized mechanical transmission components featuring teeth cut into the inside diameter of a cylinder or ring. Compared to external gears, internal gears allow for a significantly more compact design with a shorter center distance between mating gears, making them the ultimate solution for space-constrained, high-torque industrial applications.
As an essential component for heavy-duty drive systems, our precision-machined internal gears are widely utilized across demanding B2B engineering sectors:
Planetary Gear Systems: Functioning as the outer ring gear in planetary gearboxes to provide high reduction ratios in compact spaces.
Heavy Machinery: Crucial for the slewing drives and rotary tables of excavators, cranes, and large-scale mining equipment.
Wind Turbines: Providing reliable, high-torque power transmission within renewable energy pitch and yaw drive mechanisms.
Industrial Robotics & Automation: Ensuring highly accurate, low-backlash articulation for heavy-duty robotic arms and automated positioning stages.
Superior Load Capacity & Smoothness: The internal tooth design ensures a higher contact ratio (more teeth engaged simultaneously) compared to external gears, delivering vastly improved torque capacity, smoother operation, and reduced vibration.
Space-Saving Geometry: Allows the mating pinion gear to operate within the internal gear’s diameter, creating an incredibly compact mechanical footprint ideal for integrated machinery.
Precision CNC Manufacturing: Machined to strict AGMA/DIN tolerance standards using advanced CNC gear shaping, broaching, and milling techniques to ensure perfect pitch accuracy and true concentricity.
Heavy-Duty Metallurgy: Forged from premium alloy steels and subjected to precise heat treatments (such as nitriding or carburizing) to achieve exceptional surface hardness, wear resistance, and long-term fatigue strength.
Welcome to Xinmingliang Technology Co., Ltd. (XML Tech). Backed by over a decade of intensive professional experience in the CNC hardware industry, we are a dedicated source manufacturing facility committed to delivering ultra-precision component processing services to the global market.
Dedicated Parts Manufacturing: We are professional CNC machining specialists focused strictly on manufacturing high-quality parts. We ensure every large internal gear is machined to perfectly integrate into your specific equipment design.
True Turnkey Source Factory: Source your precision gears directly from our production workshop. By eliminating trading company markups, we offer highly competitive direct-factory pricing to maximize your B2B profit margins.
All-Around Hardware Processing Capabilities: We are an all-around custom hardware manufacturer. Our multi-axis CNC expertise covers all material categories, including high-strength alloy steels, aluminum, pure copper, brass, titanium alloys, and industrial plastics.
Advanced Machining & Strict QC: Equipped with state-of-the-art CNC shaping and turning centers, our technical team handles high-complexity geometry with ease. Every machined gear undergoes severe dimensional audits and profile inspections using CMM before shipping.
If you have any design files that need to be sent, please email them to info@xml-cnc.com
