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- High-performance Universal Joint Shafts / Cardan Shafts. Products | Engineering | Service
High-performance Universal Joint Shafts / Cardan Shafts. Products | Engineering | Service
High-performance Universal Joint Shafts / Cardan Shafts. Products | Engineering | Service
Voith is a prominent company specializing in high-performance universal joint shafts and Hirth couplings, catering to industries such as energy, oil & gas, paper, raw materials, and transportation. Established in 1867, it is a major family-owned enterprise in Europe with over 43,000 employees worldwide.
Voith's universal joint shafts are noted for their closed bearing eye, drop-forged journal crosses, and FEM-optimized geometry, enhancing torque capacity and reducing notch stresses. Constructed from high-strength tempered and case-hardened steels, they are durable under high static and dynamic loads. A patented balancing procedure ensures dynamic balancing in two planes.
The product range includes the S, R, CH, and E series, each tailored for different torque capacities and applications. Voith provides standard and custom designs, along with technical consultation and simulation services.
Voith universal joint shafts are available in various designs, including center sections and flanges, with options for length compensation. They are used in applications such as paper machinery, pumps, ships, rail vehicles, and construction machinery.
Detailed technical specifications are provided for each series, including torque ratings, dimensions, and design features. The S Series is suitable for mid-range drives, while the R Series is ideal for medium-sized torques and high-speed drives.
Key engineering concepts include length compensation methods, universal joint kinematics, and balancing techniques. The document also covers the major components of a Voith universal joint shaft.
Guidelines for selecting the appropriate universal joint shaft include definitions of operating variables, size selection, operating speeds, and connection flanges.
Voith offers comprehensive services, including installation, training, spare parts, maintenance, repairs, and modernizations. The company emphasizes the use of original parts and offers support for retrofits.
Voith provides engineering services, connection components, quick release couplings, and support systems. They also offer universal joint shafts with carbon fiber-reinforced polymer and high-performance lubricants.
Voith's management system focuses on quality, environmental responsibility, and occupational health and safety, ensuring reliable and efficient product performance.
Dimensions are provided in millimeters for various components, including flanges and yokes. Torque capacities and deflection angles are specified for different series and designs.
Designed for high and maximum torque applications, featuring individually designed universal joint shafts, a variety of flange yokes, and optimized geometry for performance and cost-efficiency. Technical data includes torque ranges from 140 to 13,500 kNm and deflection angles up to 10°.
Intended for high-performance drives with maximum torques, offering the highest torque capacity and increased bearing life compared to other series. Technical data includes torque ranges from 1,010 to 9,380 kNm and selectable deflection angles of 5°, 10°, and 15°.
CH Series bearings focus on low life cycle costs and high operational reliability, while E Series bearings maximize installation space and offer long service life. Both series allow for individual replacement of roller bearings, reducing maintenance costs.
Universal joint shafts share attributes like optimized geometry, low-maintenance roller bearings, and high-strength materials. Length compensation is achieved through SAE and involute profiles, with specific applications for each.
Universal joint kinematics involve variations in angular velocity and torque transmission. Equations are provided for calculating angular velocity ratios and torque ratios. Recommendations are given for using single and double universal joints based on deflection angles and transmitted forces.
Universal joint shafts can be arranged in Z or W configurations. In a Z arrangement, the input and output shafts are parallel, while in a W arrangement, they intersect. The deflection angles (β1 and β2) of the joints must be identical for synchronous rotation, ensuring constant input and output speeds, known as homokinetic operation.
Radial forces on bearings vary twice per revolution, with maximum forces calculated using specific formulas. Axial forces arise from friction in length compensation and pressure during lubrication. These forces must be managed to ensure proper operation.
Balancing is crucial to prevent vibrations and extend the service life of universal joint shafts. Voith uses dynamic balancing based on DIN ISO 1940-1 standards, with balance quality levels ranging from G 40 to G 6.3, depending on application and speed.
The design of a universal joint shaft depends on operating variables, bearing life, installation space, and connection bearings. Key operating variables include rated power, speed, torque, and deflection angles. Size selection is based on bearing life or operational durability, with calculations guided by DIN ISO 281 standards.
Operational durability is assessed using load spectra or quasi-static dimensioning. The peak torque is estimated using a shock factor (K3), which varies based on the severity of the load. The peak torque must meet specific requirements to ensure durability.
Maximum permissible speeds are influenced by deflection angles and operating lengths. Homokinetic motion can be achieved under specific conditions, but mass acceleration torque can cause torsional vibrations and increased wear. Safety is ensured by maintaining speeds within permissible limits.
Mass values are provided for universal joint shafts with and without length compensation, with specific values for different series and sizes.
Requirements include design considerations, material specifications, and dimensions for bolted connections. Specific guidelines are provided for the S and R Series.
Voith offers comprehensive services including installation, training, spare parts supply, and maintenance to ensure the reliability and longevity of universal joint shafts. Training programs enhance technical knowledge, and original spare parts are recommended to reduce operating risks.
Voith provides fast and professional repair services, including damage assessment and quick delivery of original spare parts, ensuring minimized downtime and prevention of repeat malfunctions.
Voith offers modernization and retrofit services to improve efficiency and reliability of old drive elements, including modification or redesign of universal joint shafts.
Regular Health Checks assess the condition of plants and foundations, including visual inspections and crack tests, minimizing risk of failures.
Voith provides comprehensive engineering services, including design calculations and special acceptance tests, tailored to specific drive and operating conditions.
Voith provides connection components for universal joint shafts, ensuring reliable torque transmission with precision manufacturing and high wear resistance.
The GT coupling allows rapid assembly and disassembly of shaft connections, reducing downtime with features like positive torque transmission and compact design.
This coupling transmits maximum torque with high repeatable accuracy and self-centering capabilities, suitable for high torque universal joint shafts.
Support systems increase productivity and reduce maintenance downtime, featuring reduced energy costs and uniform power transmission.
Using CFRP components enhances efficiency by reducing mass and vibrations, suitable for long drivelines and optimized vibration behavior.
Voith's WearCare 500 lubricant extends the service life of bearings, offering exceptional corrosion protection and long-lasting lubricating action.
The SafeSet coupling protects drive components by disengaging force flow during torque overloads, featuring adjustable release torque and minimal maintenance.
ACIDA systems provide accurate torque and dynamics measurement for process monitoring and optimization, with permanent torque sensors and remote service support.
Voith's management system ensures product quality, environmental compatibility, and safety, with certifications including ISO 9001, ISO 14001, and OHSAS 18001.
Voith universal joint shafts feature sealed roller bearings, reducing lubricant consumption and enhancing efficiency, resulting in lower CO2 emissions.
Voith painting technicians use a state-of-the-art painting system for universal joint shafts, ensuring compliance with health and safety standards, employing electrostatic paint application and exhaust systems to minimize environmental and employee impact.
Catalog excerpts
High-Performance Universal Joint Shafts. Products | Engineering | Service
Open the catalog to page 1
Universal Joint Shafts and Hirth Couplings At Voith, we are the experts when it comes to Cardan drive elements and radial tooth couplings. Voith sets standards in the energy, oil & gas, paper, raw materials and transportation & automotive markets. Founded in 1867, Voith employs more than 43 000 people, generates Euro 5.7 billion in sales, operates in about 50 countries around the world and is today one of the largest family-owned companies in Europe.
Open the catalog to page 2
1 Voith high-performance universal joint shafts - 4 What makes them unique? 7.1 Major components of a Voith universal joint shaft 32 7.2 Length compensation with spline shaft profile 34 7.3 Length compensation with roller bearing - 36 tripod universal joint shafts 7.4 Universal joint kinematics 40 7.5 Double universal joint 43 7.6 Bearing forces on input and output shafts 45 7.7 Balancing of universal joint shafts 48 8.1 Definitions of operating variables 51 8.5 Connection flanges and bolted connections 60 9.3 Voith original spare parts 68 10.2 Connection components for universal joint shafts...
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1 Voith High-Performance Universal Joint Shafts What makes them unique? Advantages Heavy-duty cross-sections without joints or bolts Minimal notch stresses Enclosed seal surfaces Drop-forged journal crosses Best possible torque capacity FEM-optimized geometry Optimal design for force flow Minimal notch stresses High-strength tempered and case-hardened steels Capability to withstand high static and dynamic loads Load-optimized welded joints Optimal design for force flow Length compensation with SAE profile (straight flank profile) for larger series Lower normal forces and thus lower displacement...
Open the catalog to page 4
1 Assembly hall for Voith universal joint shafts 2 Welding robot 3 Balancing machine 4 Shipping Benefits + Increased productivity + Long service life + Ease of movement + Long service life + Extremely smooth operation + Time and cost savings + Single-source responsibility + Time and cost savings + Reliability + Innovative product and system solutions
Open the catalog to page 5
2 Range Voith high-performance universal joint shafts offer the ideal combination of torque capacity, torsion and bending rigidity. We supply everything from standard universal joint shafts to customer-specific adaptations and custom designs. And our wide range of services includes technical consultation, simulation of torsional vibrations and measurement of operating parameters.
Open the catalog to page 6
Basic version of Voith universal joint shafts Non-split bearing eyes thanks to single-piece forged flange yoke Length compensation with involute profile Paper machinery Pumps General mechanical engineering Ships and boats Rail vehicles Test rigs Construction machinery and cranes High torque capacity Optimized bearing life Flange in friction and positive locking design (see page 9) Length compensation with involute profile up to size 315; SAE profile starting from size 350 (straight flank profile, see page 34); optional tripod (see page 36) Optimized torsional rigidity and deflection resistance...
Open the catalog to page 7
3 Designs 3.1 Center sections Type Universal joint shaft with standard length compensation Universal joint shaft with extended length compensation Universal joint shaft with short length compensation Universal joint shaft with tripod length compensation Universal joint shaft without length compensation (fixed-length shaft) Joint coupling: short, separable universal joint shaft without length compensation Intermediate shaft with a single joint and bearing Intermediate shaft with double bearing
Open the catalog to page 8
3.2 Flanges Type Description Type Description Friction flange, torque transmission by a friction locking connection Flange with split sleeves for torque transmission (DIN 15451) Flange with face key for torque transmission Flange with Hirth coupling for torque transmission 3.3 Type designations Example Series S, R, CH, E Center-section design T, TL, TK1, TK2, TK3, TK4, TR, F, GK, FZ, Z Size Flange design and size input side / output side (see Section 7.1, page 32) S …, K …, Q …, H … Profile design S: R: P: –: Steel on steel (standard) Rilsan® coating on steel PTFE coating on steel for types TR,...
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Rolling mills 1 Edging mill stand 2 Edging mill stand 3 Horizontal rolling stand
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1 Rail vehicle drives 2 Paper machines 3 Ship propulsion systems 4 Test rigs 5 Pumps 6 Special drives (mine hoist)
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5 Denitions and Abbreviations 5.1 Lengths Universal joint shaft with length compensation Universal joint shaft without length compensation lB : Operating length (Please indicate with order.) lB : Operating length, corresponds to the universal joint shaft length l (Please indicate with order.) lz : Shortest length of the universal joint shaft (fully collapsed) lv : Available length compensation The distance between the driving and the driven machines, together with any length changes during operation, determines the operating length: Optimal operating length: Maximum permissible operating length:...
Open the catalog to page 14
Reversing fatigue torque rating. The shaft will have an infinite fatigue life up to this torque level. Pulsating one-way fatigue torque rating. The shaft will have an infinite fatigue life up to this torque level. Where: MDS ≈ 1.5 · MDW Maximum permissible torque. If this level is exceeded, plastic deformation may occur. Values available on request. Permissible torque for rarely occurring peak loads. Bearing races may suffer plastic deformation at torque levels in excess of MZ. This can lead to a reduced bearing life. Load rating for bearings - when used with operating values, enables calculation...
Open the catalog to page 15
The S Series is the basic version of universal joint shaft and is designed for mid-range drives. The connection flanges are designed as friction flanges. Dimensions in mm. Longer lv available on request
Open the catalog to page 16
Length compensation Steel on steel, no profile protection Steel on steel, with profile protection Rilsan® coating on steel with profile protection PTFE coating on steel, with profile protection Shorter lZ available on request.
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