Product Description
Different Types Lift RAM Double Acting Excavator Hydraulic Cylinder for Press
Data Sheet
| Machine Type | Heavy-duty hydraulic cylinder |
| Mounting Type | intermediate fixed or movable trunnion type |
| Code No. | af001 |
| Pressure Range | 21 (Mpa) |
| Brand | Aofa Machinery |
| Rod Diameter | 220 (mm) |
| Custom tiles | Yes |
| Specifications | Ф200/140-4000,Ф250/170-4000,Ф280/180-4000,Ф280/180-4300(with flange),Ф300/200-4000,Ф300/200-4300(with flange),Specific price is subject to customer service quotation |
Product Description
This series of hydraulic cylinders has the characteristics of simple structure, reliable operation, convenient disassembly and assembly, easy maintenance, buffer device and various connection methods. All seals are made of CHINAMFG brand products. Applicable to construction machinery, mining machinery, lifting and transportation machinery and other industries.
Product Characteristics
1.Durable and Reliable Compactor Cylinders to Fit Several Compactor Models.
2.Rugged and built to last with threaded rod end caps for longer life and better sealing
3.Manufactured with CHINAMFG brand seals for durability, quality and performance
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*Plated Chrome Piston Rod
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*Automatic Welding
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*#45 Steel
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*Quality Test
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HangZhou CHINAMFG Machinery Co., LTD., formerly known as HangZhou Xihu (West Lake) Dis.n East CHINAMFG Petrochemical Fitting Corporation, was founded in 1997. CHINAMFG focus on the field of machinery manufacturing, committed to providing cylinder, flange (petrochemical accessories), pin, sheet metal parts and other mechanical products; Heat exchanger, ambient vaporizer, LNG handling arm and other gas engineering products for domestic sales and foreign trade import and export services. CHINAMFG is a leading enterprise who collects production, foreign trade, sales and service. Relying on our technology, taking quality as the core and efficiency as the soul, we aim to bring the best quality mechanical products to our customers, and is committed to becoming a one-stop solution expert of mechanical parts. It is determined to become a one-stop service supplier integrating research and development, production and sales. Enterprises adhere to the “all for the customer” service purpose, implement the “customer first, quality first, service first” business philosophy, the use of omni-channel sales model, to build a global sales network, open CHINAMFG machinery brand development road.
Aofa always follows the purpose of “providing value products for customers, providing development space for employees, and creating outstanding leading brands in the industry”, abides by the enterprise development concept of “creating value by heart”, and adheres to the mission of “manufacturing machinery high-quality products, creating a harmonious society”. The enterprise gathers many young and promising, positive people with lofty ideals, through the perfect management system and competitive incentive mechanism, aims to provide all-round development space for employees, and create a better future with the enterprise. Scientific management mode, intimate service attitude, for the enterprise to win credibility and public praise. In the fierce market competition to establish a good corporate image, and with many enterprises to establish long-term, stable strategic partnership, for the further development of the enterprise has laid a CHINAMFG foundation.
Q1:Can you provide a sample before a big order?
A:Yes, we can .
Q2:Are you able to make Non-standard or customized air cylinders?
A:Yes, we can, we have our own factory, we can satisfy the customers’ demands
Q3:How long is the warranty?
A:We offer 12 months warranty time.
Q4:Can I have my brand on the products?
A:Of course you can.
Q5:What is your delivery time?
A:3-5days if we have stock, 15-25days if we have no stock.
Q6. Do you test all your goods before delivery?
 A: Yes, we have 100% test before delivery.
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| Certification: | ISO9001 |
|---|---|
| Pressure: | 21MPa |
| Work Temperature: | Normal Temperature |
| Acting Way: | Double Acting |
| Working Method: | Straight Trip |
| Adjusted Form: | Regulated Type |

Can lift cylinders be used in aerial work platforms and scissor lifts?
Yes, lift cylinders are commonly used in aerial work platforms and scissor lifts. Here’s an explanation of their utilization in these types of equipment:
Aerial work platforms, also known as aerial lifts or elevated work platforms, are used to provide elevated access for various tasks, such as maintenance, construction, or inspection work. Scissor lifts are a specific type of aerial work platform that utilize a scissor mechanism to vertically extend the platform. Lift cylinders play a crucial role in the lifting operation of both aerial work platforms and scissor lifts.
In scissor lifts, multiple lift cylinders are typically positioned vertically and connected to the scissor mechanism. These lift cylinders work in synchronization to extend or retract the scissor arms, thereby raising or lowering the platform. The lift cylinders exert force to expand the scissor arms, creating a lifting motion that allows the platform to reach elevated positions. By controlling the flow of hydraulic fluid to the lift cylinders, operators can easily adjust the platform height and achieve the desired working elevation.
Lift cylinders used in aerial work platforms and scissor lifts are usually hydraulic cylinders. Hydraulic systems offer the advantages of smooth operation, precise control, and high lifting capacities. The hydraulic system includes a pump, control valves, hydraulic lines, and the lift cylinders. When the hydraulic system is activated, the pump pressurizes the hydraulic fluid, which is then directed to the lift cylinders through the control valves. The pressurized fluid causes the lift cylinders to extend, resulting in the upward movement of the platform.
One of the key benefits of using lift cylinders in aerial work platforms and scissor lifts is their ability to provide stable and controlled lifting. The synchronized movement of the lift cylinders ensures that the platform remains level and secure during the lifting process. This stability is essential for safe working conditions at elevated heights.
In addition to lifting capabilities, lift cylinders in aerial work platforms and scissor lifts may incorporate features such as safety locks, overload protection, or emergency descent mechanisms. These safety measures enhance the overall performance and reliability of the equipment, ensuring the well-being of operators working at height.
Overall, lift cylinders are integral components in aerial work platforms and scissor lifts, enabling the vertical lifting motion and providing stability during elevated work. Their hydraulic operation, synchronized movement, and safety features make them essential for efficient and secure access at height.

How Does a Lift Cylinder Handle Variations in Cylinder Mounting and Configuration?
A lift cylinder is designed to handle variations in cylinder mounting and configuration, allowing for flexibility in different application scenarios. The construction and features of lift cylinders enable them to adapt to different mounting orientations and accommodate variations in configuration. Here’s a detailed explanation of how a lift cylinder handles variations in cylinder mounting and configuration:
- Mounting Flexibility:
- Adjustable Stroke Length:
- Modular Design:
- Flexible Mounting Accessories:
- Customization Options:
- Compliance with Industry Standards:
Lift cylinders are engineered to provide mounting flexibility, allowing them to be installed in various orientations and positions. They can be mounted vertically, horizontally, or at inclined angles, depending on the specific requirements of the application. Lift cylinders often feature versatile end caps, mounting brackets, or clevis mounts that can be adjusted or rotated to accommodate different mounting orientations. This flexibility enables lift cylinders to fit into different equipment designs and configurations.
Stroke length refers to the distance the piston rod of a lift cylinder extends or retracts during operation. Lift cylinders are designed with adjustable stroke length capabilities, which allow for customization according to specific mounting and configuration requirements. By adjusting the stroke length, the lift cylinder can accommodate variations in the available space or the desired range of motion. This adjustability ensures that the cylinder can be properly installed and operate effectively within the given constraints.
Many lift cylinders feature a modular design, allowing for easy customization and adaptation to different mounting and configuration needs. Modular lift cylinders consist of separate components that can be assembled or disassembled, providing flexibility in terms of length, rod diameter, mounting options, and other specifications. These modular components can be combined or replaced to match specific equipment requirements. The modular design enables lift cylinders to handle variations in mounting and configuration, making them versatile and adaptable for different applications.
Lift cylinders are often accompanied by a range of mounting accessories and attachments that enhance their adaptability. These accessories include clevis brackets, trunnion mounts, spherical bearings, pivot pins, and other connection components. These mounting accessories offer multiple options for securely attaching the lift cylinder to the equipment or machinery. They provide flexibility in terms of positioning, alignment, and angle adjustment, enabling the lift cylinder to accommodate variations in cylinder mounting and configuration.
Lift cylinder manufacturers often offer customization options to meet specific mounting and configuration requirements. This customization may involve modifications to the cylinder’s dimensions, mounting interfaces, rod ends, or other design aspects. By working closely with the manufacturer, equipment designers and engineers can ensure that the lift cylinder is tailored to fit the unique mounting and configuration needs of their application. Customization options allow for precise integration of the lift cylinder, ensuring optimal performance and compatibility.
Lift cylinders adhere to industry standards and guidelines, ensuring compatibility with commonly used mounting and configuration practices. These standards establish criteria for cylinder dimensions, mounting hole patterns, rod end dimensions, and other specifications. By complying with these standards, lift cylinders ensure that they can be easily integrated into various equipment designs and configurations without requiring significant modifications or adaptations.
The combination of mounting flexibility, adjustable stroke length, modular design, flexible mounting accessories, customization options, and compliance with industry standards enables lift cylinders to handle variations in cylinder mounting and configuration. This adaptability allows lift cylinders to be effectively utilized in a wide range of applications, accommodating different equipment designs and requirements.

How does a lift cylinder handle variations in lift height?
A lift cylinder is designed to handle variations in lift height by utilizing its extendable and retractable piston rod. Here’s an explanation of how a lift cylinder handles variations in lift height:
When a lift cylinder is activated, hydraulic fluid is directed into the cylinder chamber, creating pressure that extends the piston rod. As the piston rod extends, it pushes against the load, lifting it to the desired height.
When there are variations in lift height, the lift cylinder adjusts accordingly by controlling the extension and retraction of the piston rod. Here’s how it works:
1. Extending the Piston Rod:
When the lift height needs to increase, the lift cylinder extends the piston rod further. This extension is achieved by increasing the flow of hydraulic fluid into the cylinder chamber. The increased fluid pressure pushes the piston and rod assembly, extending the rod and lifting the load to the required height.
2. Retracting the Piston Rod:
Conversely, when the lift height needs to decrease, the lift cylinder retracts the piston rod. This retraction is achieved by reducing the flow of hydraulic fluid into the cylinder chamber. The decreased fluid pressure allows the piston and rod assembly to retract, lowering the load to the desired height.
3. Precise Control and Positioning:
Lift cylinders are equipped with valves and control mechanisms that allow for precise control and positioning of the piston rod. By regulating the flow of hydraulic fluid and adjusting the pressure, the lift cylinder can achieve accurate and controlled movements, enabling it to handle variations in lift height with precision.
4. Adjustable Stroke Length:
Some lift cylinders have an adjustable stroke length, which refers to the distance the piston rod can travel within the cylinder barrel. By customizing the stroke length, the lift cylinder can accommodate different variations in lift height. The stroke length can be modified by adjusting the cylinder’s dimensions or incorporating additional components.
5. Integration with Control Systems:
Advanced lift cylinder systems can be integrated with control systems, such as electronic controls or programmable logic controllers (PLCs), to automate and optimize lift height adjustments. These control systems can monitor and adjust the lift cylinder’s movements based on predetermined parameters or feedback from sensors, ensuring precise and consistent lift height control.
In summary, a lift cylinder handles variations in lift height by extending or retracting the piston rod, controlling the flow and pressure of hydraulic fluid, achieving precise control and positioning, utilizing adjustable stroke length, and integrating with control systems. These capabilities enable the lift cylinder to adapt to different lift height requirements and provide accurate and controlled lifting operations.


editor by CX 2024-02-13