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Help CenterBall Cage Constant Velocity Universal Coupling 42CrMo Alloy Steel For Metallurgy Mining Petroleum Machinery
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Welcome to Hebei Speed Torque Transmission Technology Co., Ltd. Since our establishment in 2017, we have been dedicated to manufacturing high-performance transmission components. Our Ball Cage Constant Velocity Universal Coupling made from premium 42CrMo alloy steel is specifically engineered to meet the demanding requirements of metallurgy, mining, and petroleum machinery. This coupling delivers exceptional torque transmission, angular misalignment compensation, and long operational life, making it a reliable choice for heavy-duty industrial applications.
The key design feature of this coupling is its ball cage structure, which maintains a constant velocity ratio between input and output shafts even under high-angle misalignment. This significantly reduces vibration, noise, and wear, enhancing the overall efficiency and durability of your equipment. Crafted from hardened 42CrMo alloy steel, it withstands extreme loads, shock, and harsh environments commonly found in mining, steel mills, and oil fields.
Key Features & Benefits
Constant Velocity Performance: Ball cage design ensures smooth and uniform power transmission, minimizing torsional fluctuations and protecting connected machinery.
High Strength Material: 42CrMo alloy steel offers superior tensile strength, toughness, and wear resistance after heat treatment, extending service life under high stress.
Wide Angular Capacity: Accommodates angular misalignment up to 15-20 degrees, ideal for applications with shaft deflections or dynamic positioning.
Low Maintenance: Sealed design with grease lubrication reduces the need for frequent servicing, lowering downtime and operating costs.
Customizable Dimensions: Available in various sizes, bore diameters, and keyway configurations to match your specific shaft requirements. OEM/ODM orders welcome.
ISO9001 Certified Quality: Our manufacturing processes are strictly controlled to ensure consistent product quality and reliability.
Technical Specifications
| Parameter | Value / Range |
|---|---|
| Material | 42CrMo Alloy Steel (AISI 4140 equivalent) |
| Hardness (after heat treatment) | HB 280-350 (customizable) |
| Maximum Angular Misalignment | 15° - 20° (depending on size) |
| Torque Capacity | Up to 50,000 Nm (varies by model) |
| Operating Temperature | -40°C to +120°C |
| Lubrication | Pre-filled with high-temperature grease (optional relubricatable) |
| Surface Treatment | Phosphating, black oxide, or as requested |
Applications
Metallurgy: Rolling mills, continuous casting machines, blast furnace charging equipment
Mining: Crushers, conveyors, grinding mills, drilling rigs
Petroleum Machinery: Mud pumps, draw works, rotary tables, oil well servicing equipment
Other Heavy Industries: Construction machinery, marine propulsion, power generation
Why Choose Hebei Speed Torque?
Our factory, spanning 3,000-5,000 square meters, is equipped with advanced CNC machining centers, heat treatment lines, and testing facilities. With an annual export value of US$5 million to US$10 million, we have successfully supplied customers across North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and more. Our dedicated team of 101-200 employees ensures rigorous quality control from raw material to final inspection. We hold ISO9001 certification, guaranteeing consistent product quality and traceability. We ship via Port of Shanghai, Port of Tianjin, or Port of Qingdao with professional packaging to prevent damage during transit.
Every Ball Cage Constant Velocity Universal Coupling undergoes dimensional inspection, hardness testing, and torque verification before delivery. We offer comprehensive after-sales technical support and customization services. Contact us today for a quote or to discuss your specific application requirements. Let Hebei Speed Torque be your trusted partner for reliable transmission solutions.
Frequently Asked Questions (FAQ)
Q1: What is the difference between a ball cage CV coupling and a standard universal joint?
A: The ball cage design maintains constant angular velocity, eliminating torque fluctuations and reducing vibration. Standard universal joints produce speed variations at high angles, which can cause wear and stress on connected equipment.
Q2: Can this coupling handle high axial loads?
A: While the primary function is angular misalignment, the coupling can accommodate moderate axial movement (e.g., ±3mm). For high axial loads, we recommend consulting our engineering team for a suitable design.
Q3: What is the typical lead time for custom orders?
A: For standard sizes, lead time is 15-25 working days. Custom dimensions may require 30-45 days depending on complexity. We offer express service upon request.
Q4: Do you provide free samples?
A: We can provide samples for evaluation after a quality deposit is made. The deposit is refundable for repeat orders. Contact us for details.
Q5: What maintenance is required for this coupling?
A: The coupling is pre-lubricated and sealed. Periodic inspection of seals and grease condition is recommended based on operating conditions; typically every 6-12 months.
Q6: Is the coupling suitable for underwater or corrosive environments?
A: Standard surface treatment offers moderate corrosion resistance. For aggressive environments, we can apply additional coatings (e.g., zinc plating, epoxy) or use stainless steel components. Please specify your requirements.
Q7: How do I select the correct size for my application?
A: You need to provide shaft diameters, torque requirements, RPM, maximum angular misalignment, and space constraints. Our technical team will recommend the optimal model.
Q8: What is your quality guarantee?
A: We offer a 12-month warranty against manufacturing defects from the date of shipment. Each coupling is tested before dispatch and backed by our ISO9001 quality system.
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