Precision Torsion Spring | High Torque for Gear Mechanisms

Product Description

The Precision Torsion Spring for Gear Mechanisms is a critical component engineered to provide reliable return force and maintain rotational tension within complex gear assemblies. Specifically designed for high-precision environments, these springs excel at eliminating gear backlash, ensuring that power transmission remains smooth, silent, and instantaneous. Whether used to reset a gear position or to provide constant pressure between meshing teeth, our torsion springs are the invisible force behind mechanical accuracy.

Manufactured from high-tensile Black Carbon Steel, these springs undergo a specialized thermal treatment and a professional Black Oxide surface finish. This combination results in a spring that not only possesses a high spring rate for maximum torque but also offers excellent fatigue resistance and a sleek, industrial aesthetic. For engineers in the office automation and robotics sectors, these springs provide the exact technical specifications needed to ensure long-term operational stability in high-cycle environments.

Key Features

• Anti-Backlash Performance: Optimized to provide consistent pre-load tension, effectively eliminating play between gears for higher mechanical precision.

• High Torque-to-Size Ratio: Designed with a compact 6mm body and 20mm legs to deliver significant rotational force in space-constrained gearboxes.

• Premium Black Oxide Finish: Provides a durable, non-flaking protective layer that resists rust and maintains a professional appearance.

• Accurate Leg Geometry: Features precision-angled legs for easy "snap-in" installation into gear hubs and housing brackets.

• Enhanced Cycle Life: Engineered to withstand millions of small-angle oscillations without loss of initial torque.

Technical Parameters

Industrial Applications

Our precision torsion springs are fundamental to the accuracy of various gear-driven systems:

• Office Automation: The primary choice for printer gear trains, scanner drive units, and photocopier paper-feed mechanisms, ensuring precise timing and reset.

• Precision Robotics: Used in small-scale robotic joints and actuator gearboxes to remove mechanical slack and improve positioning accuracy.

• Consumer Electronics: Integrated into motorized camera lenses, smart door lock gear sets, and rotating display stands.

• Automotive Actuators: Found in electronic throttle control gears and motorized mirror folding mechanisms.

• Instrumentation: Critical for the movement of analog gauges and precision metering devices.

Customization Services

We offer comprehensive OEM/ODM manufacturing to meet your specific torque requirements:

• Torque Customization: Our engineering team can adjust the coil count and wire diameter to provide the exact Newton-millimeters (N·mm) of torque your gear set requires.

• Custom Leg Forming: We can perform secondary CNC bending to create U-hooks, offset loops, or 3D bends for complex mounting points.

• Alternative Materials: Options include stainless steel for medical gear sets or oil-tempered steel for heavy-duty industrial transmission.

• Initial Angle Adjustment: We can customize the free angle between legs (e.g., 90°, 120°, 180°) to match your assembly's pre-load state.

Support and Services

• DFM Engineering Support: We help optimize your spring design to ensure it is cost-effective and easy to assemble on your production line.

• Torque Testing Reports: We provide detailed load-deflection charts for every batch to verify technical compliance.

• Prototyping: Rapid sample production (7-10 days) to allow for immediate testing in your gear prototypes.

Packing and Shipping

• Tangle-Free Packaging: Springs are neatly arranged in trays or partitioned cartons to prevent the long legs from tangling during transit.

• Global Shipping: Fast export via Express (DHL/FedEx/UPS) for samples and small orders; Air/Sea freight for large-scale production runs.

• Documentation: Full traceability with Material Certificates and COA (Certificate of Analysis) provided.

FAQ

Q: How does this spring help in a gear mechanism?

A: It provides a "pre-load" force. In a gear train, this force keeps the gear teeth in constant contact, which eliminates "backlash" (the tiny gap between teeth) and makes the movement much more precise.

Q: Can you match the spring to our existing gear's torque spec?

A: Yes! If you provide your required torque values or the dimensions of the installation space, our engineers will calculate the optimal spring design for you.

Q: Does the black oxide finish rub off onto the gears?

A: No. Our professional black oxide process creates a chemical conversion coating that is integrated into the metal surface, ensuring it won't flake off and contaminate your gear grease or components.

Q: What is the typical MOQ for gear reset springs?

A: Our MOQ is usually 1,000 units, but we support smaller batches for R&D and prototype testing.

2006,Established in Xiamen, METS is a professional hardware company specialized in mould design, mould manufacturing of contact and machine shell, automotive, electronics, LED lampshade, lead frame and lamination core(stator and rotor) etc. As well as precision metal stampings production.Our engineer, design, construct and validate highly precise metal stamping dies and tooling system solutions. Our team of experts partners with leaders across industries to provide tooling solutions that use high-strength materials, demand tight tolerances and require short lead times

METS has been focusing on the R&D of high speed precise progressive die as well as stamping production since its establishment.
 

Process technology capability:

A. Hight precision. The precision can reach 1-4μm,Ra 2μm.

B: Zero loss of material use.

C: The min. space between connectors is 0.2mm
D: The pressing speed can reach 800SPM
E: The rate of hole diameter and thickness is 0.85:1

F: Standard component use famous brand
G: The stamping material thickness is 0.05-2.0mm

H:Rational construction , easy accessibility. Good for maintenance

We stamp metal parts ranging from small precision parts, such as electronic equipment and musical instruments, to large precision components, including processing equipment and architectural components that are decorative and functional. All-New Stamping has the capability to work in quantities from prototype runs to full production runs.

Our stock thickness for our ferrous and non-ferrous metals ranges from 0.01mm to 2mm and the stock width ranges from 10mm to 1000mm with pre-plated and finishing options. We also work with a complete range of materials to offer customers a large choice in specifications, including:

Steel
Aluminum
Stainless Steel
Plastics
Copper
Brass
Specialty Metals

102,No.42,Xibin Road,Xinglin,Jimei district,Xiamen,361022,China