China factory Roller Shutter, Stainless Steel, Welded Cardan Joints 90 Degree, 25mm

Product Description


Articolo-Artikel-               Art. No.- L                                     mm D                     mm  Materiale-Material-Material-
410.2125.825S 250     Sq. 8 inox                        Edelstahl                  Stainless Steel               
410.2125.850S 500      Sq.8
410.2125.725S 250      Hex.7
410.2125.750S 500     Hex. 7
410.2125.xxxS Customerized
410.2125.825C 250      Sq. 8 Ferro                       Stahl                         steel                            
410.2125.850C 500     Sq. 8
410.2125.725C 250      Hex.7
410.2125.750C 500     Hex. 7
410.2125.xxxC Customerized
Compatible with our Gear Winches and handcranks art.411.201 series.              


We, CHINAMFG GROUP, can provide you with:
1. Full range of roller shutter accessories.
2. Tubular motors 35mm, 45mm, 59mm and 92mm, Central Motors.
3. Insect Screens System and components.
4. Extruded Aluminum Profiles.

CHINAMFG has started to produce full range of roller shutter accessoreis since year 1999 and has become absolutely the leading company in China for Roller shutter accessories. Up to today,   we are able to provide you with full packages in the fields of roller shutters, mosquito sistems, etc.  Today, SIGATE GROUP own the following production facilities:


a. Factory One to produce full range of roller shutter accessories and mosquito systems and the website is:  . Our factory is producing almost all the popular roller shutter accesssories prevailing in Italy, Germany, France, Spain and Poland. And these roller shutter accessories are selling well throughout the world. 

      At the same time, we have the best machine from Italy to make mosquito systems and we’ve developed several mosquito systems and you can find our catalogs in our website. 


b. Factory Two to produceTubular motors for tube 35mm, 45mm, 59mm and 92mm. We are selling more than 700,000 motors a year throughout the world. 

c. Factory Three to make Aluminum Extrusion and we are especially focusing on Aluminum profiles (guide rail, bottom beam, aluminum extruded slats, etc) for Roller Shutters, insect screens, blinds, windows, doors, etc. 

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Type: Aluminum Roller Shutter
Material: Stainless Steel
Transport Package: Carton
Specification: 50 PCS/Carton
Trademark: Sigate
Origin: Wuxi, Jiangsu, China


Customized Request

cardan shaft

How do you calculate the torque capacity of a cardan joint?

Calculating the torque capacity of a cardan joint involves considering various factors such as the joint’s design, material properties, and operating conditions. The torque capacity determines the maximum amount of torque that the joint can transmit without failure. Here’s a detailed explanation of how to calculate the torque capacity of a cardan joint:

  1. Gather Design Information: Start by gathering the necessary design information about the cardan joint, including its dimensions, material properties, and geometry. This information typically includes the outer diameter, inner diameter, length, and material strength properties.
  2. Calculate Cross-Sectional Area: Use the outer and inner diameters of the joint to calculate its cross-sectional area. The cross-sectional area is required to determine the stress distribution and calculate the torque capacity. The formula to calculate the cross-sectional area of a solid shaft is:
  3. Area = π * (Outer Diameter^2 - Inner Diameter^2) / 4

  4. Consider Material Properties: The material properties of the cardan joint, such as its yield strength or ultimate tensile strength, are essential for calculating the torque capacity. These properties determine the maximum stress that the joint can withstand before failure.
  5. Calculate Maximum Shear Stress: Using the torque applied and the cross-sectional area, the maximum shear stress on the joint can be calculated. The torque applied to the joint is the driving force that needs to be transmitted. The formula to calculate the maximum shear stress is:
  6. Shear Stress = Torque / (Area * 0.5 * Joint Length)

  7. Compare Shear Stress to Material Strength: Compare the calculated maximum shear stress to the material’s yield strength or ultimate tensile strength. Ensure that the shear stress is below the allowable stress to prevent the joint from exceeding its capacity. The allowable stress is typically a fraction of the material’s yield strength or ultimate tensile strength, depending on the safety factor used.

It is important to note that the above calculation provides an approximate estimation of the torque capacity. The actual torque capacity of a cardan joint can be influenced by additional factors, such as the joint’s geometry, loading conditions, operating temperature, and dynamic effects. Consulting the manufacturer’s specifications, engineering standards, or conducting extensive testing is recommended for precise torque capacity determination.

Additionally, it is crucial to consider other factors such as misalignment compensation, fatigue resistance, and service life requirements when selecting a cardan joint for a specific application. These factors may influence the overall performance and reliability of the joint beyond its torque capacity.

cardan shaft

Can cardan joints be used in precision manufacturing equipment?

Yes, cardan joints can be used in precision manufacturing equipment under certain circumstances. However, their suitability depends on the specific requirements of the equipment and the level of precision needed. Here’s a detailed explanation:

Cardan joints are mechanical components that provide torque transmission and compensate for misalignment between rotating shafts. They consist of universal joints that allow for angular movement and accommodate misalignment. While cardan joints offer flexibility and are commonly used in various industrial applications, their use in precision manufacturing equipment may have limitations.

Precision manufacturing equipment typically requires high accuracy, repeatability, and minimal play or backlash in its mechanical components. Cardan joints, due to the nature of their design, introduce some degree of play or backlash, which can impact precision operations. The universal joints in cardan joints have inherent clearance, which can result in angular positioning errors and affect the overall precision of the equipment.

However, in certain applications where the level of precision required is not extremely high, cardan joints can still be utilized effectively. They can provide the necessary torque transmission and compensate for moderate misalignments while maintaining acceptable precision levels. Examples of precision manufacturing equipment where cardan joints may find application include rotary tables, indexing mechanisms, or non-critical assembly systems.

It’s important to note that when considering the use of cardan joints in precision manufacturing equipment, careful evaluation and analysis are necessary. Factors such as the magnitude of misalignment, required accuracy, operating speed, and load conditions should be taken into account. In some cases, additional measures such as incorporating backlash compensation mechanisms or using precision-aligned cardan joints may be necessary to mitigate the inherent play and improve precision.

Ultimately, the decision to use cardan joints in precision manufacturing equipment should be based on a thorough assessment of the specific application requirements, precision tolerances, and potential trade-offs between flexibility and precision. Consulting with engineers or experts specializing in precision mechanical systems can provide valuable insights and guidance in determining the suitability of cardan joints for a particular precision manufacturing application.

cardan shaft

Are there different types of cardan joints available?

Yes, there are different types of cardan joints available to suit various applications and requirements. The design and configuration of a cardan joint can vary based on factors such as load capacity, torque transmission, operating conditions, and installation constraints. Here’s a detailed explanation of some commonly used types of cardan joints:

  • Single Universal Joint: The single universal joint is the most basic and commonly used type of cardan joint. It consists of two yokes connected by a cross, forming a single joint. This type of cardan joint allows for angular misalignment between the input and output shafts. It is often used in applications where misalignment angles are relatively small, and flexibility is required.
  • Double Cardan Joint: The double cardan joint, also known as a constant velocity joint (CV joint), is an enhanced version of the single universal joint. It consists of two single universal joints connected by an intermediate shaft. This configuration helps to cancel out the velocity fluctuations and torque variations that can occur with a single joint. Double cardan joints are commonly used in applications where smooth and constant power transmission is required, such as in front-wheel drive vehicles.
  • Tractor Joint: A tractor joint is a specialized type of cardan joint used in agricultural machinery, particularly in power take-off (PTO) systems. It consists of three yokes connected by two crosses. The tractor joint allows for higher torque transmission and can accommodate larger misalignment angles. It is designed to handle the demanding conditions and heavy loads often encountered in agricultural applications.
  • Ball-and-Socket Joint: The ball-and-socket joint, also known as a Hooke’s joint, is another variant of the cardan joint. It consists of a cross with a spherical ball at each end, which fits into a corresponding socket in the yokes. The ball-and-socket joint provides greater flexibility and can accommodate larger angles of misalignment. It is commonly used in applications where significant angular movement is required, such as steering systems in vehicles.
  • Flexible Coupling: While not strictly a cardan joint, flexible couplings serve a similar purpose in accommodating misalignment. Flexible couplings are often used in applications where the misalignment is minimal and torque transmission is a primary concern. They utilize elastomeric or flexible elements to provide flexibility and compensate for small misalignments between shafts.

These are some of the commonly used types of cardan joints. Each type offers specific advantages and is suitable for different applications based on factors such as misalignment requirements, torque transmission, and operating conditions. The selection of the appropriate cardan joint type depends on the specific needs of the application and the desired performance characteristics.

China factory Roller Shutter, Stainless Steel, Welded Cardan Joints 90 Degree, 25mm  China factory Roller Shutter, Stainless Steel, Welded Cardan Joints 90 Degree, 25mm
editor by CX 2023-12-22