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
|
|
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
In what types of machinery can single-acting hydraulic cylinders be applied?
Single-acting hydraulic cylinders find applications in various types of machinery. Here’s a detailed explanation:
1. Construction Equipment: Single-acting hydraulic cylinders are commonly used in construction machinery. They are employed in equipment such as excavators, loaders, bulldozers, backhoes, and cranes. These cylinders facilitate lifting, pushing, digging, and other tasks involved in construction and earthmoving operations.
2. Material Handling Machinery: Single-acting hydraulic cylinders are widely utilized in material handling equipment, including forklifts, pallet jacks, scissor lifts, and conveyor systems. These cylinders provide the necessary force for lifting, lowering, tilting, and positioning loads in warehouses, manufacturing facilities, distribution centers, and other material handling applications.
3. Agricultural Machinery: In the agricultural sector, single-acting hydraulic cylinders are employed in various machinery. They can be found in agricultural equipment such as tractors, loaders, harvesters, sprayers, and hay balers. These cylinders assist in tasks such as lifting and lowering implements, operating hydraulic attachments, and controlling the movement of agricultural machinery.
4. Automotive Equipment: Single-acting hydraulic cylinders are utilized in automotive equipment for a range of applications. They are used in car lifts, vehicle ramps, and automobile jacks for lifting vehicles during maintenance, repairs, and inspections. These cylinders provide the necessary force to raise and support the weight of automobiles.
5. Industrial Machinery: Single-acting hydraulic cylinders are employed in various industrial machinery and equipment. They can be found in hydraulic presses, stamping machines, compactors, packaging equipment, and machine tools. These cylinders assist in applying force, controlling motion, and performing precise positioning in industrial manufacturing processes.
6. Aerospace and Defense: Single-acting hydraulic cylinders are utilized in aerospace and defense applications. They can be found in aircraft, helicopters, missiles, and other aerospace systems. These cylinders contribute to functions such as landing gear actuation, flight control surfaces, cargo handling, and weapon systems.
7. Marine and Offshore Equipment: Single-acting hydraulic cylinders are employed in marine and offshore equipment. They can be found in ship machinery, cranes, winches, hydraulic lifts, and deck machinery. These cylinders assist in various marine operations, including cargo handling, anchor handling, steering mechanisms, and positioning systems.
8. Environmental and Waste Management Equipment: Single-acting hydraulic cylinders are utilized in environmental and waste management machinery. They can be found in garbage compactors, waste balers, recycling equipment, and waste handling systems. These cylinders contribute to tasks such as compressing waste materials, operating sorting mechanisms, and facilitating efficient waste management processes.
9. Specialized Applications: Single-acting hydraulic cylinders are also applied in specialized machinery and equipment for specific industries or tasks. Examples include hydraulic presses for forming and molding operations, hydraulic cylinders in dam gates and water control systems, hydraulic actuators in robotic systems, and hydraulic mechanisms in amusement park rides.
In summary, single-acting hydraulic cylinders find applications in a wide range of machinery across various industries. They are utilized in construction equipment, material handling machinery, agricultural machinery, automotive equipment, industrial machinery, aerospace and defense systems, marine and offshore equipment, environmental and waste management machinery, as well as specialized applications in different sectors.
How does a single-acting hydraulic cylinder contribute to precise force application in industrial settings?
A single-acting hydraulic cylinder plays a significant role in enabling precise force application in industrial settings. Here’s a detailed explanation:
In many industrial applications, the ability to apply precise and controlled forces is crucial for achieving desired outcomes. A single-acting hydraulic cylinder offers several features that contribute to precise force application. Here are the key factors:
1. Hydraulic Systems: Single-acting hydraulic cylinders are typically part of a hydraulic system that includes a pump, valves, and control mechanisms. The hydraulic system allows for precise control over the force applied by the cylinder. By regulating the hydraulic pressure supplied to the cylinder, the force generated can be accurately adjusted to match the specific requirements of the application. This precise control enables operators to apply forces with a high degree of accuracy.
2. Force Generation: Single-acting hydraulic cylinders are designed to generate force in a single direction, either during extension or retraction of the piston. The force generated is directly proportional to the hydraulic pressure applied to the cylinder. By precisely controlling the hydraulic pressure, the force applied by the cylinder can be finely adjusted to meet the desired level of precision. This is particularly beneficial in industrial settings where precise force application is necessary for tasks such as assembly, pressing, clamping, or material deformation.
3. Load Sensing and Feedback: Some advanced hydraulic systems incorporate load sensing mechanisms and feedback devices. Load sensing allows the hydraulic system to monitor the force being exerted by the cylinder in real-time. This feedback information can be used to adjust the hydraulic pressure and ensure that the desired force is maintained accurately. Load sensing and feedback systems enhance the precision of force application by continuously monitoring and adjusting the hydraulic parameters to match the requirements of the industrial process.
4. Control Valves: Single-acting hydraulic cylinders can be equipped with control valves that provide further control over the force application. Control valves, such as pressure relief valves or flow control valves, regulate the flow of hydraulic fluid to the cylinder and control the rate at which the force is applied. These valves can be adjusted to fine-tune the force application, allowing for precise and gradual force buildup or release. By manipulating the control valves, operators can achieve the desired level of precision in force application for industrial processes.
5. Application-Specific Customization: Single-acting hydraulic cylinders can be customized to meet specific industrial requirements. The cylinder’s design, size, and materials can be tailored to suit the application, ensuring optimal force application and precision. Customization options include the selection of appropriate seals, coatings, or accessories to enhance the cylinder’s performance and accuracy in specific industrial settings.
6. Safety Considerations: Precise force application in industrial settings often involves safety considerations. Single-acting hydraulic cylinders can incorporate safety features such as pressure relief valves, emergency stop mechanisms, or overload protection systems. These safety measures help prevent excessive force application, equipment damage, or system failures, ensuring the safety of personnel and the integrity of the industrial processes.
By leveraging the features of single-acting hydraulic cylinders, industrial settings can achieve precise force application, which is essential for tasks that require accuracy, consistency, and repeatability. Whether it’s in manufacturing, assembly, material processing, or other industrial applications, the precise force application facilitated by single-acting hydraulic cylinders contributes to improved product quality, operational efficiency, and overall productivity.
Can single-acting hydraulic cylinders be repaired or maintained when necessary?
Yes, single-acting hydraulic cylinders can be repaired and maintained when necessary. Here’s a detailed explanation:
1. Inspection and Assessment: When a single-acting hydraulic cylinder requires repair or maintenance, the first step is to conduct a thorough inspection and assessment. This involves examining the cylinder for any signs of wear, damage, leakage, or performance issues. The inspection helps identify the specific areas that need attention and guides the repair and maintenance process.
2. Seal Replacement: One of the common maintenance tasks for single-acting hydraulic cylinders is seal replacement. Over time, the seals can wear out or become damaged, leading to leaks and decreased performance. By replacing the seals, the cylinder can regain its proper functioning and prevent further issues.
3. Component Replacement: Depending on the extent of the damage or wear, it may be necessary to replace certain components of the single-acting hydraulic cylinder. This can include the piston, rod, cylinder barrel, or other internal parts that have experienced significant deterioration. Component replacement ensures the cylinder’s reliability and extends its service life.
4. Cleaning and Lubrication: During the repair and maintenance process, it is important to clean the single-acting hydraulic cylinder thoroughly. This involves removing any dirt, debris, or contaminants that may have accumulated. Additionally, proper lubrication of the cylinder’s moving parts is essential to reduce friction, prevent excessive wear, and promote smooth operation.
5. Testing and Adjustment: After the repair and maintenance tasks are completed, it is crucial to test the single-acting hydraulic cylinder to ensure its proper functionality. This may involve conducting pressure tests, checking for leaks, and verifying the cylinder’s movement and force output. If necessary, adjustments can be made to fine-tune the cylinder’s performance.
6. Preventive Maintenance: Implementing a preventive maintenance program is beneficial for single-acting hydraulic cylinders. Regularly scheduled maintenance activities, such as inspection, cleaning, lubrication, and minor adjustments, can help identify and address potential issues before they escalate. Preventive maintenance minimizes unexpected breakdowns, extends the cylinder’s lifespan, and ensures optimal performance.
7. Expert Assistance: In some cases, complex repairs or maintenance tasks may require the expertise of hydraulic professionals or specialized technicians. These professionals have in-depth knowledge and experience in repairing and maintaining hydraulic cylinders. Seeking expert assistance can help ensure that the repairs are performed correctly and effectively.
In summary, single-acting hydraulic cylinders can be repaired and maintained when necessary. The process typically involves inspection and assessment, seal replacement, component replacement, cleaning and lubrication, testing and adjustment, preventive maintenance, and seeking expert assistance when required. By following proper repair and maintenance procedures, the cylinder’s performance, reliability, and service life can be enhanced.
editor by CX 2023-12-12