Product Description
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
Product Description
| NO | ITEM | Made in China Boom Cylinder for Excavator Hydraulic Cylinder Manufacture |
| 1 | Material | Carbon Steel, Alloy Steel, 27SiMn,45#,20#,etc |
| 2 | Honed tube | 40-300mm, Heat treatment, honing, rolling |
| 3 | Honed tube | 30-280mm, plated nickel or hard Chrome or ceramic |
| 4 | Seal kit | Parker, Merkel, Hallite, Kaden, etc |
| 5 | Coating | Sandblasting, primer paint, middle paint, finish paint, Color can paint according to customer demands. |
| 6 | Technology | Parker,custom hoist, hyco,HYVA, Meiller
SAT,DAT |
| 7 | Mounting type | Pin-eye , flange, trunnion mount,ball mount, screw thread. FC, FE, FEE, FSE,TPIN |
| 8 | Working medium | Hydraulic Oil |
| 9 | Working pressure | 16-20Mpa Telescopic Hydraulic Cylinder |
| 10 | Temperature range | -50°C to +100°C |
Specification
| Max. Working pressure | 250bar |
| Weight | 143kg |
| Working volume | 43L |
| Total volume | 47L |
| Max. Cyl. Load (start tipping) | 345kN |
| Extension | 1 | 2 | 3 |
| Diameter | 149mm | 129mm | 110mm |
| stroke | 1060mm | 1085mm | 1085mm |
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, Liebherr, 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.
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 |
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| Pressure: | Medium Pressure |
| Work Temperature: | Normal Temperature |
| Customization: |
Available
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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How does a lift cylinder contribute to energy-efficient lifting?
A lift cylinder plays a significant role in promoting energy-efficient lifting operations. Here’s an explanation of how lift cylinders contribute to energy efficiency:
1. Hydraulic System Efficiency:
Lift cylinders are commonly used in hydraulic systems, which are known for their high efficiency. Hydraulic systems utilize pressurized fluid to transmit power, allowing for smooth and controlled lifting operations. The hydraulic fluid is circulated within the system, and the lift cylinder converts the pressure of the fluid into mechanical force to lift the load. Compared to other mechanical lifting mechanisms, hydraulic systems, including lift cylinders, experience minimal energy loss due to their efficient power transmission.
2. Power-to-Weight Ratio:
Lift cylinders are designed to have a high power-to-weight ratio. This means that they can generate a substantial lifting force relative to their weight. By utilizing lightweight yet durable materials and optimizing the design, lift cylinders can effectively lift heavy loads while minimizing the amount of energy required. The efficient power-to-weight ratio contributes to energy efficiency by reducing the overall power consumption during lifting operations.
3. Load-Specific Design:
Lift cylinders are often engineered to match the specific load requirements of lifting applications. By customizing the design parameters, such as bore size, stroke length, and operating pressure, lift cylinders can be optimized for the intended load capacities and lifting tasks. This load-specific design ensures that the lift cylinder operates at its optimal efficiency, minimizing energy waste and maximizing the lifting performance.
4. Regenerative Systems:
In certain lifting applications, lift cylinders can be integrated into regenerative systems. Regenerative systems capture and store energy that would otherwise be dissipated as heat during the lowering phase of the lifting operation. This stored energy can then be reused to assist in the subsequent lifting process, reducing the overall energy consumption. Regenerative systems enhance energy efficiency by utilizing the otherwise wasted energy to partially power the lifting operation.
5. Control Systems:
Advanced control systems can be implemented in conjunction with lift cylinders to optimize energy efficiency. These control systems, such as proportional valves or variable-speed drives, allow for precise control of the lifting process. By adjusting the flow rate or speed of the hydraulic fluid, operators can match the power output of the lift cylinder to the specific load requirements, minimizing energy waste and improving overall efficiency.
6. Maintenance and Optimization:
Regular maintenance and optimization of lift cylinders are essential for maintaining energy efficiency. Proper lubrication, seal replacements, and overall system inspections help ensure that the lift cylinder operates at its peak performance. By identifying and addressing any issues or inefficiencies, maintenance practices contribute to energy-efficient lifting operations.
In summary, lift cylinders contribute to energy-efficient lifting through hydraulic system efficiency, a high power-to-weight ratio, load-specific design, regenerative systems, control systems, and proper maintenance. By utilizing these features and practices, lift cylinders help minimize energy consumption and enhance overall lifting efficiency.
How does a lift cylinder contribute to load clamping and gripping?
A lift cylinder plays a significant role in load clamping and gripping applications by providing the necessary force and control to securely hold objects in place. Lift cylinders, also known as hydraulic cylinders, are widely used in various industrial settings for lifting, pushing, pulling, and holding heavy loads.
When it comes to load clamping and gripping, lift cylinders contribute in the following ways:
- Clamping Force: Lift cylinders can generate a high clamping force, which is utilized to tightly hold objects together. By exerting pressure on clamping mechanisms or jaws, the cylinders ensure a secure grip on the load, preventing undesired movement or slippage.
- Gripping Action: Lift cylinders are integrated into gripping devices or gripper systems to perform gripping actions. These cylinders provide the force necessary to close the gripper fingers or jaws around the object, creating a firm grip. The gripping action allows for safe transportation, manipulation, or assembly of the load.
- Controlled Pressure: Lift cylinders offer precise control over the clamping or gripping force. The hydraulic system controlling the cylinders allows for adjustable pressure settings, enabling operators to tailor the clamping force according to the specific requirements of the application. This control ensures optimal grip without damaging the load.
- Positioning and Alignment: Lift cylinders assist in the positioning and alignment of the load during clamping or gripping operations. They can be used to finely adjust the position of the clamping or gripping elements, ensuring accurate and proper alignment with the load. This precision helps achieve a secure and balanced grip on the object.
The use of lift cylinders in load clamping and gripping applications offers several advantages. They provide reliable and powerful clamping or gripping force, enabling safe and efficient handling of objects. The adjustable pressure and precise control allow for customization based on the load characteristics, ensuring optimal grip without causing damage.
In summary, lift cylinders contribute significantly to load clamping and gripping by providing the necessary force, control, and adjustability. Their integration into clamping mechanisms and gripper systems enhances safety, accuracy, and productivity in various industrial processes.
Can you explain the role of hydraulic fluid in a lift cylinder?
Hydraulic fluid plays a crucial role in the operation of a lift cylinder. It serves as the medium through which force is transmitted to generate motion and provide lifting or lowering capabilities. Here’s an explanation of the role of hydraulic fluid in a lift cylinder:
1. Transmission of Force:
Hydraulic fluid acts as a medium for transmitting force within the lift cylinder. When pressurized, the hydraulic fluid applies force on the piston, which then transfers that force to the load through the rod. The force exerted by the hydraulic fluid is transmitted equally in all directions due to Pascal’s law, allowing for effective lifting or lowering of heavy loads.
2. Energy Transfer:
Hydraulic fluid is responsible for transferring energy within the hydraulic system. The hydraulic fluid is pressurized by a pump, which converts mechanical energy into hydraulic energy. This pressurized fluid carries the energy to the lift cylinder, where it is converted back into mechanical energy to perform the lifting or lowering action. The ability of hydraulic fluid to store and transmit energy efficiently makes it ideal for power transmission in hydraulic systems.
3. Lubrication and Cooling:
Hydraulic fluid serves as a lubricant within the lift cylinder to reduce friction and wear between moving parts, such as the piston and the cylinder barrel. This lubrication helps to enhance the longevity and smooth operation of the cylinder components. Additionally, the hydraulic fluid also aids in cooling the system by absorbing heat generated during operation, preventing overheating and ensuring optimal performance.
4. Sealing and Contamination Control:
Hydraulic fluid plays a critical role in sealing the lift cylinder and preventing leakage. It works in conjunction with seals located between the piston and cylinder barrel, as well as around the rod, to create a tight and secure hydraulic system. The hydraulic fluid also helps to control contamination by keeping external contaminants, such as dirt and debris, from entering the cylinder and affecting its performance.
5. System Efficiency:
The properties of hydraulic fluid, such as its viscosity and flow characteristics, directly impact the efficiency of the lift cylinder system. The choice of the appropriate hydraulic fluid ensures smooth and efficient operation, minimizing energy losses and maximizing system performance.
In summary, hydraulic fluid plays a vital role in a lift cylinder by transmitting force, transferring energy, lubricating and cooling the system, sealing against leaks, controlling contamination, and contributing to system efficiency. It enables the lift cylinder to generate the necessary force and motion to lift or lower heavy loads, while also ensuring the smooth and reliable operation of the hydraulic system.
editor by CX 2023-10-17