Product Description

 

Product Description

ITEM FEATURES
Material Carbon Steel,Alloy Steel,Stainless Steel,27SiMn,SAE1045(45#),SAE1571(20#),16Mn(Q345B),Bronze Parts, etc.
Honed Tube 40-300mm, Cold Drawn, Heat Treatment, Honing, Rolling, Forging
Piston Rod 30-280mm, Ground & Polished, Plated Nickel or Hard Chrome or Ceramic
Seal Kit 1. Parker, Merkel, Hallite, NOK, Trelleborg, Kaden, China Made, etc.
2. Suitable for different working condition and requirements.
Technology Parker,Custom Hoist, Hyco,HYVA, Meiller

SAT,DAT

Mounting Type Pin-eye/Flange/Trunnion/Ball mount/Screw Thread, etc.
FC, FE, FEE, FSE,TPIN

 

Specification

Bore Size 40mm/Customize Request
Rod Size 25mm/Customize Request
Stroke 180mm/Customize Request
Working Medium Hydraulic Oil
Working Pressure 16-20MPa
Temperature Range -20°C to +100°C
Painting 1. High Quality Paint
2. Sandblasting, Primer Paint, Middle Paint, Finish paint
3. Color according to customer demands

 

Detailed Photos

 

Production Process

Warehouse Overview

 

 

Product Applications

Excavator is the most widely used construction machinery.
The shock load, harsh working environment, precision movement control require high standards on excavator cylinders.
ROCA guarantees excavator cylinder high performance of abrasion resistance and operation stability in any harsh condition has and gains recognition from every CHINAMFG customer with good quality at a lower cost.
Roca manufactures full-size excavator cylinders for mini excavators to largeexcavators.

 

Xihu (West Lake) Dis. Mining Group Co., Ltd. is a sizable multinational mining group performing most competitively in Chinese mining industry. CHINAMFG locate in the same CHINAMFG Mining output area, as the mining cylinder plant that grew up in the mining industry, we repair and reman a lot of mining haul truck cylinder. For a decade CHINAMFG has been focused on the production of various types of imported mine-used off-highway trucks & mining trucks.Our cylinders are mainly applied to world-famous brands such as Cat, Komatsu, Hitachi, BELAZ, and other famous international brands.
 

 

Single-Acting Telescopic Cylinders
This type of cylinder applies hydraulic pressure in 1 direction only and the return of the telescopic stages is by load such as a truck-trailer. 
ROCA single-acting multistage hoists are used widely throughout the transport sector, where they are used in tip trucks servicing agriculture, earthmoving, construction, food processing applications. 

 

Double-Acting Telescopic Cylinder
This type of cylinder is constructed with porting to both the annular and full bore area so hydraulic pressure can be applied to both surfaces and the cylinder stages can move in multiple directions without the need of an outside force, such as gravity.ROCA double-acting multi-stage cylinders are used in a wide variety of applications across many industries where space restrictions prohibit the use of a rod cylinder and require a compact telescopic cylinder design.
 

 

There are a wide range of products in the cylinder industry and having a specialist working on behalf of the customer is very important. With our years of experience, our business is positioned to provide prompt service, value and long lasting customer relationships.We work toward getting you better products and better service with competitive price.

 

Company Profile
HangZhou CHINAMFG is a comprehensive manufacturing enterprise engaged in hydraulic cylinders, excavator attachment, metal casting, hydraulic components with certification approval to meet custom or OEM requirement.

ROCA owned factory offers customer effective-cost product with quality assurance. With its professional and experienced R&D team, CHINAMFG Hydraulic devotes itself to research and develop to optimize products applied in construction, mining, waster management, forestry, agriculture, etc.

1. CHINAMFG Hydraulic parts factory focus on the high quality hydraulic cylinder. Our products are widely used in, refuse and recycling, construction, mining, material handling, agriculture, and every specific industry.

2. GS Machinery foundry produces industrial metal castings include Hydraulic piston pump parts, Valve parts, Construction, Mining Machinery Parts, and Auto Parts.

We accept OEM orders, and especially capable of developing and producing single/double-acting telescopic cylinder for dump truck/trailer, roll-off hoist equipment application.

For more than 10 years, CHINAMFG have provided end users with reliable high quality hydraulic products, which has saved user costs and maximized engineering benefits.

Roca R&D team works with customer to ensure their goal become reality, and their products are the best quality. With our in place best-in-class development group that offers unprecedented service and support.

FAQ 
Q1.Do you have MOQ?
      Depending on different ideas, Can be negotiated. The larger the quantity is, the competitive the unit price will be.
Q2.Should the customer pay the delivery fee, How much is it?
       For the delivery fee, many samples are being requested to be sent, so we must get the delivery fee.
       If you tell me to use the appointed Express, you will give me your express account or you will pay according to the Express.
       If you do not request, I will choose a cheap one in China.
Q3.How about the after sale service?
      1) We will always keep the quality the same as the buyer’s samples and if there is something with the quality, we will make compensation for our customers.
      2) We will suggest our packing and take charge in our packing, we will keep the goods safe in the delivery.
      3) We will trace the goods from the production to selling, we will solve the problems in the selling for our customers.
Q4.When can I get a price?
      We usually quote within 24 hours after we get your inquiry.
Q5: Are you a trade company or manufacturer?
      We are a professional manufacturer with our factory.
 

Certification: CE, ISO9001
Pressure: Medium Pressure
Work Temperature: Normal Temperature

Customization:
Available

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

hydraulic cylinder

How do hydraulic cylinders enhance the performance of construction and mining equipment?

Hydraulic cylinders play a vital role in enhancing the performance of construction and mining equipment by providing powerful and precise linear motion. These industries require heavy-duty machinery that can withstand demanding conditions and efficiently perform tasks such as lifting, pushing, and digging. Here’s a detailed explanation of how hydraulic cylinders enhance the performance of construction and mining equipment:

1. Power and Force:

– Hydraulic cylinders are capable of generating substantial force, allowing construction and mining equipment to handle heavy loads and perform challenging tasks. The hydraulic system applies pressure to the fluid, which is transmitted to the hydraulic cylinder, resulting in the movement of the piston rod. The larger the diameter of the cylinder, the greater the force that can be generated. Hydraulic cylinders enable the equipment to exert significant force, making it possible to lift and move heavy materials, excavate soil and rock, and perform other demanding operations.

2. Precise Control:

– Hydraulic cylinders offer precise control over the movement of construction and mining equipment. By regulating the flow of hydraulic fluid into and out of the cylinder through control valves, operators can precisely control the speed, position, and force exerted by the hydraulic cylinder. This level of control allows for accurate and controlled movements, enabling operators to perform tasks with precision and efficiency. Whether it’s lifting a specific load, positioning an attachment, or maneuvering in tight spaces, hydraulic cylinders provide the necessary control for optimal equipment performance.

3. Adaptability:

– Hydraulic cylinders are highly adaptable to various construction and mining equipment. They can be designed and manufactured in different sizes, stroke lengths, and configurations to suit specific requirements. Hydraulic cylinders can be integrated into different types of equipment, such as excavators, loaders, bulldozers, and drilling rigs. Their adaptability allows for the customization of equipment to meet the needs of different applications and operating conditions, enhancing overall performance.

4. Durability and Reliability:

– Construction and mining environments are known for their harsh conditions, including extreme temperatures, vibrations, and exposure to dust, dirt, and debris. Hydraulic cylinders are designed to withstand these challenging conditions and provide long-lasting performance. They are constructed using robust materials, such as high-strength steel, and equipped with seals and components that can endure heavy loads, impacts, and contaminants. The durability and reliability of hydraulic cylinders ensure that construction and mining equipment can operate continuously and withstand the demanding nature of these industries.

5. Safety:

– Hydraulic cylinders contribute to the safety of construction and mining equipment operations. Their precise control allows operators to perform tasks with accuracy, minimizing the risk of accidents and damage to the equipment or surrounding structures. Hydraulic cylinders also enable the implementation of safety features, such as overload protection systems and emergency stop mechanisms, ensuring the safe operation of the equipment. The reliable and controlled movements provided by hydraulic cylinders enhance overall safety in construction and mining operations.

6. Increased Productivity:

– By providing the necessary power, precise control, and adaptability, hydraulic cylinders contribute to increased productivity in construction and mining applications. Construction and mining equipment equipped with hydraulic cylinders can perform tasks more efficiently and effectively, reducing the time and effort required to complete projects. The ability to handle heavy loads, control movements precisely, and adapt to various tasks improves the overall productivity of the equipment, leading to cost savings and improved project timelines.

In summary, hydraulic cylinders enhance the performance of construction and mining equipment by providing power, precise control, adaptability, durability, and safety. They enable these machines to handle heavy loads, perform tasks with accuracy, withstand harsh conditions, and increase productivity. Hydraulic cylinders are integral components that contribute to the efficiency and effectiveness of construction and mining operations.

hydraulic cylinder

Ensuring Consistent Force Output for Repetitive Tasks with Hydraulic Cylinders

Hydraulic cylinders are designed to ensure consistent force output for repetitive tasks. This consistency is essential for maintaining precise control, achieving uniform results, and optimizing the performance of hydraulic systems. Let’s explore how hydraulic cylinders achieve consistent force output for repetitive tasks:

  1. Design and Manufacturing Standards: Hydraulic cylinders are manufactured to meet strict design and manufacturing standards. These standards ensure that the cylinders are built with precision and accuracy, enabling them to deliver consistent force output. The components, such as the piston, cylinder barrel, seals, and valves, are engineered to work together harmoniously, minimizing variations in force generation.
  2. Pressure Regulation: Hydraulic systems incorporate pressure regulation mechanisms to maintain a constant pressure level. Pressure relief valves, pressure regulators, and pressure-compensated pumps help maintain a consistent hydraulic pressure throughout the system. By regulating the pressure, hydraulic cylinders receive a consistent supply of pressurized fluid, resulting in consistent force output for repetitive tasks.
  3. Flow Control: Flow control valves are utilized in hydraulic systems to manage the flow rate of hydraulic fluid. These valves regulate the speed at which the fluid enters and exits the hydraulic cylinder, influencing the force output. By controlling the flow rate, hydraulic cylinders can achieve consistent force output for repetitive tasks. This is particularly important when it comes to tasks that require precise and uniform force application.
  4. Effective Seal Performance: Sealing systems play a crucial role in hydraulic cylinders by preventing fluid leakage and maintaining pressure integrity. High-quality seals and proper installation ensure effective sealing throughout the cylinder’s operation. By minimizing internal leakage, hydraulic cylinders can maintain consistent force output, even during repetitive tasks.
  5. Maintenance and Inspection: Regular maintenance and inspection of hydraulic cylinders are essential for ensuring consistent force output. By following maintenance schedules, replacing worn-out components, and monitoring cylinder performance, any potential issues that could affect force consistency can be identified and addressed promptly. This proactive approach helps maintain the reliability and performance of hydraulic cylinders over time.

In summary, hydraulic cylinders employ various mechanisms to ensure consistent force output for repetitive tasks. Adherence to design and manufacturing standards, pressure regulation, flow control, effective seal performance, and regular maintenance all contribute to achieving consistent force output. By maintaining precision, minimizing variations, and addressing potential issues, hydraulic cylinders provide reliable and consistent force generation, facilitating the successful completion of repetitive tasks in various applications.

hydraulic cylinder

What is a hydraulic cylinder and how does it function in various applications?

A hydraulic cylinder is a mechanical actuator that converts hydraulic energy into linear force and motion. It plays a critical role in various applications where controlled and powerful linear motion is required. Hydraulic cylinders are commonly used in industries such as construction, manufacturing, agriculture, and transportation. Here’s a detailed explanation of what a hydraulic cylinder is and how it functions:

Definition and Components:

– A hydraulic cylinder consists of a cylindrical barrel, a piston, a piston rod, and various seals. The barrel is a hollow tube that houses the piston and allows for fluid flow. The piston divides the cylinder into two chambers: the rod side and the cap side. The piston rod extends from the piston and provides a connection point for external loads. Seals are used to prevent fluid leakage and maintain hydraulic pressure within the cylinder.

Function:

– The function of a hydraulic cylinder is to convert the pressure and flow of hydraulic fluid into linear force and motion. The hydraulic fluid, typically oil, is pressurized and directed into one of the chambers of the cylinder. As the fluid enters the chamber, it applies pressure on the piston, causing it to move in a linear direction. This linear motion of the piston is transferred to the piston rod, creating a pushing or pulling force.

Working Principle:

– The working principle of a hydraulic cylinder is based on Pascal’s law, which states that pressure exerted on a fluid in a confined space is transmitted equally in all directions. In a hydraulic cylinder, when hydraulic fluid is pumped into one side of the cylinder, it creates pressure on the piston. The pressure is transmitted through the fluid to the other side of the piston, resulting in a balanced force across the piston and piston rod. This force generates linear motion in the direction determined by the fluid input.

Applications:

– Hydraulic cylinders find extensive use in a wide range of applications due to their ability to generate high forces and precise control of linear motion. Some common applications include:

1. Construction Equipment: Hydraulic cylinders are used in excavators, loaders, bulldozers, and cranes for lifting, pushing, and digging tasks.

2. Manufacturing Machinery: Hydraulic cylinders are employed in presses, machine tools, and material handling equipment for pressing, clamping, and lifting operations.

3. Agricultural Machinery: Hydraulic cylinders are used in tractors, harvesters, and irrigation systems for tasks like steering, lifting, and controlling attachments.

4. Transportation: Hydraulic cylinders are utilized in vehicles such as dump trucks, garbage trucks, and forklifts for tilting, lifting, and tipping operations.

5. Aerospace and Defense: Hydraulic cylinders are employed in aircraft landing gear, missile systems, and hydraulic actuators for control surfaces.

6. Marine and Offshore: Hydraulic cylinders are used in ship steering systems, cranes, and offshore drilling equipment for various lifting and positioning tasks.

In these applications, hydraulic cylinders offer advantages such as high force capability, precise control, compact size, and durability. They provide efficient and reliable linear motion, contributing to enhanced productivity and functionality in a wide range of industries.

Overall, hydraulic cylinders are integral components in various applications where controlled and powerful linear motion is required. Their ability to convert hydraulic energy into mechanical force makes them invaluable in numerous industries, enabling the operation of heavy machinery, precise positioning, and efficient load handling.

China Standard OEM Customized Single/Double Acting Hydraulic Welded Cylinder for Sale   vacuum pump	China Standard OEM Customized Single/Double Acting Hydraulic Welded Cylinder for Sale   vacuum pump
editor by CX 2023-11-18