China manufacturer OEM Rotary Joint for Paper Machine Dryer Cylinder wholesaler

Product Description

 Paper Machine Dryer Cylinder Accessories

Product Description

Rotary Joint And Siphons: 

The drying section is the paper machine in the steam consumption of most parts, generally accounting for 55% of the total energy cost of the paper machine. Therefore, the adoption of advanced steam and condensate systems can increase production capacity increase paper machine efficiency, reduce drying costs, and increase profits. Therefore, the optimization scheme for drying cadres focuses on steam systems and condensate water transfer systems, which include steam rotators, stationary and rotating siphons, and associated components.

Metal hoses: 

Metal hoses, attached to the rotary joints on each drying can play a critical role in achieving this outcome. They flex, absorb vibration, and operate at the temperatures required to deliver steam to and drain condensate from the cans. When needed, their corrosion resistance prolongs service life.
Max.Pressure: <1.6MPa
Max.Temperature: <320ºC
Media: Water/Steam/Oil/Various fluids

Turbulator Tube Bars:

Made of stainless steel and installed on the inside of the dryer, it creates resonant waves in the condensate film to increase condensate turbulence and therefore, increase the rate of heat transfer.
Feature:
1. High resistance to corrosion and wear
2. Improving drying capacity
3. Improving the temperature homogeneity on the surface of the dryer, and thus lowering the paper break frequency
4. Lowering the steam pressure in the dryer
5. Decreasing the driving torque and thus the formation of the water ring
6. Separate design for quick installation

Gear Wheel of Dryer Cylinder:

The CHINAMFG is mainly the large gear on the top of the dryer. It is mainly divided into positive gear, large gear, large gear processing, bevel gear and helical gear. In addition, the nonstandard gear should be made according to the drawings provided by the customer.

Shaft and Head Of Dryer Cylinder:

Product Parameters

Diameter Design Pressure
Mpa
Material Hardness Width Shell Thickness Roughness Working speed
1500 0.3-0.8 HT250-300 190-240 350-10000 25-32 0.2-0.4 200-1200
1800 0.3-0.8 HT250-300 190-240 350-10000 28-36 0.2-0.4 200-1200
2000 0.3-0.8 HT250-300 190-240 1350-5000 30-40 0.2-0.4 200-1200
2500 0.3-0.8 HT250-300 190-240 1350-5000 32-47 0.2-0.4 200-500
3000 0.3-0.8 HT250-300 190-240 1350-5000 37-56 0.2-0.4 200-600
3660 0.3-0.8 HT250-300 190-240 1350-5000 40-65 0.2-0.4 200-1200
3680 0.3-0.8 HT250-300 190-240 1350-5000 as required 0.2-0.4 200-1200
≤1500 0.3-0.5 HT200-250 190-240 1350-5000 18-27 0.2-0.4 200-1200

Company Profile

 

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Warranty: 3 Years
Type: All Kinds of Paper
Sheet Former Type: All Kinds of Paper Machine
Paper Thickness: All Kinds Paper Suitable
Automation: Automatic
Certification: CE
Customization:
Available

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rotary cylinder

How do rotary cylinders manage variations in hydraulic pressure and flow rate?

Rotary cylinders are designed to effectively manage variations in hydraulic pressure and flow rate. Here’s a detailed explanation:

1. Pressure Regulation: Rotary cylinders incorporate various mechanisms to manage variations in hydraulic pressure. These mechanisms include pressure relief valves, pressure control valves, and flow control valves. Pressure relief valves are designed to protect the cylinder and the hydraulic system from excessive pressure by diverting excess fluid flow back to the reservoir. Pressure control valves, such as pressure reducing valves or pressure sequence valves, are used to regulate the pressure applied to the rotary cylinder. These valves ensure that the cylinder operates within the desired pressure range, accommodating variations in the hydraulic system.

2. Flow Control: Rotary cylinders also utilize flow control mechanisms to manage variations in hydraulic flow rate. Flow control valves, such as flow restrictors or flow control regulators, are employed to control the amount of fluid flowing into or out of the cylinder. By adjusting the opening of these valves, the flow rate can be regulated, allowing for precise control of the cylinder’s rotational speed or angular displacement. Flow control valves help manage variations in flow rate and optimize the cylinder’s performance.

3. Proportional Control: Proportional control valves are often used in conjunction with rotary cylinders to manage variations in pressure and flow rate. These valves provide continuous and precise control over the hydraulic pressure and flow by adjusting the valve opening proportionally to the input signal. Proportional control allows for real-time adjustments in response to changing operational requirements, ensuring accurate and efficient management of pressure and flow variations.

4. Feedback Devices: Rotary cylinders can incorporate feedback devices, such as pressure sensors and flow sensors, to monitor and provide feedback on the hydraulic pressure and flow rate. These sensors provide real-time information about the operating conditions, allowing for dynamic adjustments to maintain desired pressure and flow levels. Feedback devices help ensure the stability and consistency of the cylinder’s performance, even in the presence of variations in hydraulic pressure and flow rate.

5. Accumulators: In some cases, rotary cylinders can utilize hydraulic accumulators to manage variations in pressure and flow rate. Accumulators store hydraulic energy in the form of pressurized fluid, which can be released when needed to compensate for fluctuations in pressure or flow. By providing an additional source of energy, accumulators help maintain consistent pressure and flow, preventing adverse effects caused by sudden changes in hydraulic conditions.

6. System Design and Optimization: Proper system design and optimization play a crucial role in managing variations in hydraulic pressure and flow rate. This includes selecting appropriate components, sizing the hydraulic lines, and ensuring proper fluid filtration and conditioning. By designing the hydraulic system to match the requirements of the rotary cylinder and the application, variations in pressure and flow rate can be effectively managed, resulting in optimal performance.

By employing these strategies and mechanisms, rotary cylinders can effectively manage variations in hydraulic pressure and flow rate, ensuring reliable and consistent performance in a wide range of applications.

rotary cylinder

Can rotary cylinders be used in manufacturing machinery for indexing?

Yes, rotary cylinders can be used in manufacturing machinery for indexing. Here’s a detailed explanation:

Indexing refers to the precise positioning of components, workpieces, or tools at specific intervals or angles in manufacturing processes. Rotary cylinders are well-suited for indexing applications due to their ability to provide controlled and precise rotational motion. Here’s how they are used:

1. Rotary Motion Generation: Rotary cylinders convert fluid power, either hydraulic or pneumatic, into rotary motion. By controlling the flow of fluid into and out of the cylinder, the rotary motion can be accurately regulated. This controlled rotation is essential for indexing applications where precise angular positioning is required.

2. Angular Displacement: Rotary cylinders enable angular displacement with high accuracy. They can rotate a component or workpiece to a specific angle or index it at precise intervals. This capability is crucial in manufacturing processes that involve operations such as cutting, drilling, assembly, or inspection at specific angular positions.

3. Positioning Accuracy: Rotary cylinders offer excellent positioning accuracy, allowing for precise indexing. By combining precise control of fluid flow with position feedback devices such as rotary encoders or potentiometers, the cylinder can accurately reach and maintain specific angular positions. This level of positioning accuracy ensures that indexing operations are performed with high precision and repeatability.

4. Speed and Acceleration Control: Rotary cylinders provide control over the rotational speed and acceleration, enabling smooth and gradual indexing movements. By adjusting the fluid flow rate or pressure, the rotational velocity and acceleration can be precisely controlled. This feature is particularly beneficial in indexing applications that require gradual start-up or deceleration to prevent abrupt movements or damage to the workpiece.

5. Compact and Lightweight Design: Rotary cylinders are often designed to be compact and lightweight, making them suitable for integration into manufacturing machinery. Their compact size allows for efficient use of space, while their lightweight nature reduces rotational inertia and enables faster response times. These design characteristics contribute to the overall efficiency and performance of indexing operations.

6. Integration with Control Systems: Rotary cylinders can be seamlessly integrated into control systems such as programmable logic controllers (PLCs) or computer numerical control (CNC) systems. This integration enables precise coordination and synchronization of the rotary motion with other machine operations, ensuring accurate indexing within the overall manufacturing process.

7. Customization: Manufacturers offer a wide range of rotary cylinder models with different sizes, load capacities, and performance characteristics. This allows users to select the most suitable cylinder for their specific indexing application. Customization options further enhance the ability to tailor the cylinder’s performance to meet specific indexing requirements.

8. Compatibility with Machine Tools: Rotary cylinders can be integrated with machine tools used in manufacturing processes. They can be coupled with indexing tables, rotary stages, or tool turrets to achieve precise angular positioning and indexing of workpieces or tools. This integration enhances the versatility and functionality of the manufacturing machinery.

By incorporating these features, rotary cylinders contribute to efficient and accurate indexing in manufacturing machinery, enabling precise positioning and synchronization of components or tools in various industrial processes.

rotary cylinder

How does a rotary cylinder differ from other types of hydraulic cylinders?

A rotary cylinder differs from other types of hydraulic cylinders in several ways. Here’s a detailed explanation:

Principle of Operation:

A rotary cylinder is designed to convert fluid power into rotational motion, while other types of hydraulic cylinders primarily provide linear motion. While standard hydraulic cylinders extend and retract in a straight line, a rotary cylinder generates rotary or swinging motion.

Mechanism:

Rotary cylinders utilize different mechanisms to produce rotary motion. They may employ rack-and-pinion mechanisms, vane mechanisms, or gear mechanisms, depending on the specific design. In contrast, other types of hydraulic cylinders typically use a piston and cylinder arrangement to generate linear motion.

Direction of Motion:

Rotary cylinders produce rotational motion around a fixed axis or pivot point. The direction of rotation can be clockwise or counterclockwise, depending on the design and configuration of the cylinder. In contrast, other hydraulic cylinders provide linear motion in a straight line, either extending or retracting along the axis of the cylinder.

Applications:

Rotary cylinders are commonly used in applications where rotational movement is required, such as rotary indexing tables, robotic arms, and conveyor systems. They are suitable for tasks that involve swinging, rotating, or indexing motions. On the other hand, other types of hydraulic cylinders are used in applications that primarily require linear motion, such as lifting, pushing, or pulling.

Advantages and Disadvantages:

Rotary cylinders offer certain advantages over other types of hydraulic cylinders. They provide compact and efficient means of generating rotary motion, allowing for versatile applications. Rotary cylinders can deliver high torque output and precise control over rotational motion. However, one potential disadvantage is that they may have a more complex design and require additional components compared to standard hydraulic cylinders.

Fluid Medium:

Rotary cylinders can be powered by either hydraulic fluid or compressed air, depending on the specific design and application. Other types of hydraulic cylinders also utilize hydraulic fluid as the power medium. The choice of fluid medium depends on factors such as the desired force and speed, environmental considerations, and system requirements.

It’s important to consult the manufacturer’s documentation and guidelines for specific information on the selection, installation, and operation of rotary cylinders and other types of hydraulic cylinders for different applications.

China manufacturer OEM Rotary Joint for Paper Machine Dryer Cylinder   wholesaler China manufacturer OEM Rotary Joint for Paper Machine Dryer Cylinder   wholesaler
editor by CX 2024-02-04