Gears and Pinions
Your Professional Gears and Pinions Manufacturer!
Kunshan Devotec Automation Co., Ltd. was established in 2012, but its origins trace back to an initial investment by the German company WMH HERION in Qingdao, Shandong Province in 2007. Since then, we have accumulated extensive experience in engineering, manufacturing, and quality control. As a specialist in drive technology, Kunshan Devotec Automation focuses on the production of high-precision gear racks, gears, pinions, gearboxes, linear guideways, and other linear transmission components. The company also serves as a partner for several European manufacturers in China, including , Graessner, and Hönger, providing localized sales and after-sales services.
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Helical Teeth Ground Gears-20CrMnTi DIN6"Helical Teeth Ground Gears-20CrMnTi DIN6 refers to helical teeth ground gears with a precision grade of DIN6 and made of 20CrMnTi material."read more
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Straight Teeth Preloaded Double PinionThe Straight Teeth Preloaded Double Pinion refers to a straight-tooth preloaded double pinion system, a gear transmission structure designed to eliminate backlash. It delivers high-precision...read more
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Helical Teeth Milled Gears-20Cr DIN10Helical Teeth Milled Gears-20Cr DIN10" is a specific type of gear, which includes the gear structure, processing method, material and precision standard.read more
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Helical Teeth Ground Gears-40Cr DIN6"Helical Teeth Ground Gears-40Cr DIN6 refers to helical teeth ground gears made of 40Cr material and with a precision grade of DIN6." Its accuracy grade conforms to the grade 6 accuracy specified...read more
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Helical Teeth Milled Gears-40Cr DIN10Helical Teeth Milled Gears-40Cr DIN10" is a commonly used precision transmission component in the field of mechanical transmission. The gear teeth of this gear are distributed in a helical line,...read more
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Straight Teeth Ground Gears-20Cr DIN6Straight Teeth Ground Gears - 20Cr DIN6" is: a type of gear made of 20Cr alloy structural steel, with a straight tooth profile, manufactured by grinding process, and whose precision complies with...read more
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Straight Teeth Milled Gears-20Cr DIN10Straight Teeth Milled Gears-20Cr DIN10" is: a type of gear made of 20Cr alloy structural steel, with a straight tooth profile, manufactured by milling, and whose precision complies with the DIN10...read more
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Straight Teeth Ground Gears-40Cr DIN6Straight Teeth Ground Gears-40Cr DIN6 is a type of spur gear made of 40Cr material with precision conforming to the DIN6 standard.read more
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Straight Teeth Milled Gears-40Cr DIN10Straight Teeth Milled Gears-40Cr DIN10 refers to straight teeth gears made of 40Cr alloy structural steel through milling process, which meet the DIN10 precision grade specified in the German...read more
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Helical Teeth Preloaded Double PinionHelical Teeth Preloaded Double Pinions are special gear structures designed to address the issue of "tooth side clearance" in helical gear transmission systems. Through optimized mechanical...read more
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Straight Teeth Felt GearsSpur felt gears are a type of spur gear made primarily from felt material. By molding, cutting, or bonding felt into a spur tooth structure, they combine the functions of gear transmission with...read more
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Helical Teeth Felt GearsHelical felt gears are special gears with a helical tooth structure made by molding, cutting, or bonding felt materials. They integrate the smoothness of helical gear transmission with the...read more
Why Choose Us
Our Factory
Our company boasts a factory area of approximately 5,000 square meters, with nearly all production processes performed in-house. This enables us to strictly control product quality and delivery times.
Advanced Equipment
Our company boasts advanced equipment such as machining centers, surface grinders, milling machines, straightening machines, and high-precision rack milling and grinding machines imported from KESEL and HABRAMA in Germany. These machines are among the world's leading. We also have our own heat treatment facilities, equipped with induction hardening, quenching and tempering machines, and case hardening equipment.
High Quality
To ensure consistently high quality standards and DIN 5 and DIN 4 accuracy, we have invested heavily in high-precision inspection and testing equipment, including coordinate measuring machines (CMM), spectrometers, and flaw detectors. As a high-tech enterprise, we are ISO 9001 certified.
Advantages of Gears and Pinions
High Power and Torque Transmission: Gears are excellent at transmitting large amounts of power and torque, making them ideal for heavy-duty applications.
Precise Motion Control: They provide accurate and controlled movement, allowing for precise manipulation of machinery and systems.
Positive Drive: Unlike belt drives, gears provide a positive drive, ensuring a constant velocity ratio and preventing slippage.
High Efficiency: Gear systems are highly efficient in transmitting power, with minimal energy loss compared to other mechanisms.
Versatility: Gears can be used to convert rotational motion into linear motion (like in rack and pinion systems), increase or decrease speed, or transfer motion between shafts in various configurations.
Compact Design: They allow for the transmission of high torque in a relatively small and compact setup.
Durability and Strength: When made from quality materials, gears are strong, durable, and can withstand high loads and stresses for prolonged periods.
Reduced Noise and Maintenance: With proper lubrication, gears experience less wear and tear, and some types, like pinion gears, can produce less noise due to reduced friction.

Applications of Gears and Pinions
Automotive Industry
Gears like rack and pinion, helical, and spur gears are widely used in different parts of automobiles, such as differentials, transmission, and steering systems. These gears help to control speed, change direction, and transmit power between components.
Aerospace Industry
Various gears, such as spur and helical gears, are widely used in aircraft engine and landing gear systems. They are also used as control mechanisms for efficient power transmission and precise movement.
Industrial Machinery
Gears such as spur, worm, and bevel gears are vital elements that transfer motion and power between rotating shafts in various industrial machinery like conveyor systems, textile machines, packaging equipment, and printing presses.
Marine Applications
Toothed wheels are vital components of marine propulsion systems such as outboard motors, ship propulsion systems, and outboard motors. They help convert engine power into thrust force.
Construction and Mining Equipment
Heavy machinery such as cranes, excavators, loaders, and bulldozers rely on mechanical gears to perform different functions, such as operating hydraulic systems, driving tracks, and lifting loads.
Materials Used in Gears and Pinions
Steel: Strength and Durability
Steel is the most commonly used material for gears and pinions, owing to its exceptional strength, durability, and wear resistance. It is particularly favored in heavy-duty applications where high torque transmission and impact resistance are crucial.
Brass: Lightweight and Noise Reduction
Brass is significantly ligher than steel, and it is a preferred material when noise reduction and corrosion resistance are critical.
Aluminum: Lightweight and Malleable
Aluminum as a metal has excellent machinability and lightweight. It is naturally forms a protective oxide layer.
Plastic: Cost-Effective and Lightweight
Plastic gears and pinions are commonly used in low-load and low-speed applications where cost efficiency and weight reduction are essential. They are typically made from nylon, acetal, or polycarbonate, providing self-lubricating properties and corrosion resistance.
Gear and Pinion Installation
Proper Alignment
Ensuring the gear and pinion are properly aligned is critical to prevent wear and maintain efficiency.
Secure Mounting
Use appropriate mounting hardware and follow manufacturer guidelines for securing the components.
Lubrication Setup
Ensure the system is lubricated with the correct type and amount of lubricant before operation.
Testing
After installation, perform tests under no-load and load conditions to verify proper operation and alignment.
Custom Options for Gears and Pinions
Custom Gear Ratios
Tailored to achieve desired speed and torque.
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Material Selection
Based on specific environmental conditions or load requirements.
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Surface Treatments
To enhance wear resistance or corrosion protection.
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Size and Shape
Customized sizes and shapes to fit unique applications or space constraints.
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Integrated Features
Such as lubrication channels or noise reduction mechanisms.
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Packaging and Shipping






1) Inner packing: rust-preventive oil application,vacuum packaging bag
2) Outer packing: wooden case or pallet
3) Customized packing is also available
4) Production Lead Time: 15-35 days after approved
Our certificates


FAQ
As one of the leading gears and pinions manufacturers and suppliers in China, we warmly welcome you to buy high quality gears and pinions for sale here from our factory. For customized service, contact us now.

