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Help CenterStandard or Customized Jaw Beam (Helical) Flexible Coupling for General Machinery
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Hebei Speed Torque Transmission Technology Co., Ltd., established in 2017 and occupying a state-of-the-art facility of 3,000–5,000 square meters, is proud to present our Standard or Customized Jaw Beam (Helical) Flexible Coupling for General Machinery. With annual export values between US$5 Million and US$10 Million and a dedicated team of 101–200 employees, we have become a trusted partner to clients across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our ISO 9001:2015 certified manufacturing processes ensure that every coupling delivers exceptional performance, reliability, and longevity. Whether you require a standard off-the-shelf solution or a fully customized design, our engineering team works closely with you to meet your specific torque, misalignment, and environmental requirements.
The Jaw Beam (Helical) Flexible Coupling is engineered to provide a balanced combination of torsional stiffness and flexibility, effectively accommodating angular, parallel, and axial misalignments while minimizing backlash and vibration. Its unique helical beam design – consisting of one or more spiral cuts in the body – allows for high flexibility without sacrificing strength. This makes it an ideal choice for precision positioning systems, servo motors, stepper motors, encoders, and general power transmission applications where smooth operation and long service life are critical.
Key Features & Benefits
Customizable Design: Bore diameters, outer dimensions, keyways, set screw positions, and material choices (steel, aluminum, stainless steel) can be tailored to your exact specifications.
High Flexibility & Misalignment Compensation: The helical cut provides up to 2° angular, 0.5 mm parallel, and 1.5 mm axial misalignment capacity, protecting connected components from stress.
Zero Backlash: One-piece construction eliminates backlash, ensuring accurate positioning and repeatability in motion control applications.
Vibration Damping: The beam structure absorbs shock loads and dampens torsional vibrations, enhancing system stability and reducing noise.
Maintenance-Free: No moving parts, no wear, no lubrication required – ideal for clean environments and long-term continuous operation.
Standard & Custom Options: Choose from our standard stock sizes or submit your own drawing for a bespoke solution. Small to large quantities accepted.
Quality Assurance: Every coupling undergoes rigorous dimensional and torque testing in our ISO 9001 certified facility.
Technical Specifications (Typical Range)
| Parameter | Standard Range | Customization Available |
|---|---|---|
| Bore Diameter | 6 mm – 60 mm | Up to 80 mm (upon request) |
| Outer Diameter | 20 mm – 90 mm | Up to 120 mm |
| Torque Capacity | 0.5 Nm – 500 Nm | Higher torque on request |
| Max Speed | 6,000 – 10,000 RPM | Balanced for higher speeds |
| Angular Misalignment | Up to 2° | Can be adjusted by design |
| Parallel Misalignment | Up to 0.5 mm | Customizable |
| Axial Misalignment | Up to 1.5 mm | Customizable |
| Material Options | Steel, Aluminum, Stainless Steel | Other alloys upon request |
| Surface Treatment | Natural, Black Oxide, Zinc Plating | Custom coating available |
| Operating Temperature | -40°C to +100°C | Extended range optional |
Detailed Product Description
The Jaw Beam (Helical) Flexible Coupling is a one-piece, zero-backlash coupling that utilizes a helical cut pattern to provide flexibility while maintaining high torsional rigidity. This design is distinct from traditional jaw couplings that require a separate elastomeric spider – the helical beam absorbs misalignment and shocks directly through its elastic deformation. Common variants include single-start and multi-start helical cuts, with the latter offering higher torque capacity at the expense of some flexibility. Our standard product line covers a wide range of bore sizes and OD dimensions suitable for most general machinery applications, including pumps, compressors, conveyors, packaging machines, printing presses, and CNC equipment.
For customers requiring a perfect fit, we offer complete customization: you can specify the bore and keyway dimensions (including metric and inch units), the overall length, the number of helical starts, and the material. Our engineering team uses advanced CAD/CAM and CNC machining capabilities to produce couplings that match your exact performance requirements. Whether you need a coupling with a special coating for corrosive environments, a non-magnetic version for medical equipment, or an extra-slim design for space-constrained applications, we can deliver prototypes in as little as 7–10 working days and production quantities within 3–4 weeks (depending on complexity).
Our manufacturing facility in Cangzhou, Hebei, China is equipped with modern turning, milling, and drilling centers, as well as precision measurement tools (coordinate measuring machines, hardness testers, torque testers). Each coupling is inspected for dimensional accuracy, surface finish, and dynamic balance. We are proud to be an ISO 9001:2015 certified company, which means you can rely on consistent quality from batch to batch. Our annual export value of US$5–10 Million reflects the trust of our global customers, and we ship via Port of Shanghai, Port of Tianjin, or Port of Qingdao to destinations worldwide.
Why Choose Hebei Speed Torque?
Proven Experience: Since 2017, we have served over 500 industrial clients across 5 continents, with a focus on coupling solutions.
Customization Expertise: Our engineering team has developed more than 1,200 custom coupling designs for diverse applications – we can likely meet your unique needs without excessive lead times.
Competitive Pricing: Direct from factory with efficient production – our standard couplings offer excellent value, and custom orders benefit from volume discounts.
Reliable Logistics: We ship FOB from major Chinese ports, with options for air freight or express for urgent orders.
After-Sales Support: Our multilingual sales team provides prompt technical support, installation guidance, and warranty service.
We invite you to experience the difference of a coupling that combines engineering precision with industrial toughness. Contact us today with your application details or drawing – we will provide a quotation and design proposal within 24 hours. Our goal is to become your long-term partner for transmission solutions.
Frequently Asked Questions (FAQ)
Q: What is the maximum torque I can achieve with a standard jaw beam coupling?
A: Standard sizes offer torque up to 500 Nm. For higher torque requirements, we recommend our heavy-duty series or a double-start helical design, both available as custom options.Q: Can I use this coupling for high-speed servo motor applications?
A: Yes, the one-piece, balanced design is suitable for speeds up to 10,000 RPM (depending on bore size and length). For higher speeds, we can provide dynamic balancing.Q: What materials are available for corrosive environments?
A: We can manufacture the coupling from 304/316 stainless steel or aluminum with anodized coating. Other coatings like nickel plating are also available on request.Q: How do I specify a custom coupling? What information do you need?
A: Please provide shaft diameters (both sides), keyway dimensions, overall length, torque requirement, speed, misalignment expectations, and any environmental factors (temperature, moisture). A sketch or CAD drawing is helpful but not mandatory – our engineers can design from specifications.Q: What is the typical lead time for standard and custom orders?
A: Standard sizes are usually in stock and can be shipped within 3-5 working days. Custom orders take 10-20 working days for prototypes and 15-30 working days for production batches, depending on complexity and quantity.Q: Do you offer samples before bulk order?
A: Yes, we provide sample orders with a small charge, which is refundable when you place a confirmed production order of significant quantity.Q: How do I ensure proper installation to maximize coupling life?
A: Align the shafts as closely as possible (within the misalignment limits), use appropriate set screws or keyways, and avoid over-torquing the fasteners. We provide an installation guide with every shipment.Q: What warranty do you offer?
A: We offer a 12-month warranty against manufacturing defects from the date of shipment. This covers material and workmanship issues under normal operating conditions.
Hebei Speed Torque Transmission Technology Co., Ltd. – Your Reliable Partner in Power Transmission Solutions. ISO 9001:2015 Certified. Serving global markets since 2017.
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