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 |
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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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Can single-acting hydraulic cylinders be used in construction equipment like dump trucks?
Yes, single-acting hydraulic cylinders can be used in construction equipment like dump trucks. Here’s a detailed explanation:
Dump trucks are commonly used in construction and mining industries to transport and unload bulk materials such as sand, gravel, dirt, and debris. These trucks are equipped with hydraulic systems that enable controlled lifting and tilting of the truck bed to unload the materials.
Single-acting hydraulic cylinders are often employed in dump trucks to provide the necessary force for raising and lowering the truck bed. In a typical dump truck configuration, one or more single-acting hydraulic cylinders are mounted between the truck chassis and the bed.
When it comes to raising the truck bed, hydraulic fluid is pumped into the pressure chamber of the single-acting hydraulic cylinder. The pressure forces the piston to extend, thereby lifting the bed to an inclined position for unloading. The weight of the materials being dumped assists in the gravity-driven tilting process.
Once the materials are unloaded, the hydraulic fluid is released or redirected from the pressure chamber, allowing the weight of the truck bed and gravity to retract the piston and lower the bed back to its original position.
The use of single-acting hydraulic cylinders in dump trucks offers several advantages:
1. Simple Design: Single-acting hydraulic cylinders have a relatively straightforward design, making them cost-effective and easy to maintain.
2. High Lifting Capacity: These cylinders can generate significant lifting force, enabling dump trucks to handle large loads.
3. Controlled Unloading: The hydraulic system provides precise control over the raising and lowering of the truck bed, allowing for controlled and efficient unloading of materials.
4. Durability: Single-acting hydraulic cylinders are designed to withstand heavy-duty applications and harsh operating conditions commonly encountered in construction environments.
5. Compatibility: Dump trucks are typically designed to accommodate single-acting hydraulic cylinders, making it easier to integrate these cylinders into the existing hydraulic systems of the trucks.
It is important to note that while single-acting hydraulic cylinders are commonly used in dump trucks, other types of hydraulic cylinders, such as double-acting cylinders, may also be utilized depending on the specific design and requirements of the dump truck.
In summary, single-acting hydraulic cylinders can indeed be used in construction equipment like dump trucks. These cylinders play a crucial role in enabling controlled lifting and tilting of the truck bed, facilitating efficient unloading of materials in construction and mining operations.
How does a single-acting hydraulic cylinder handle variations in cylinder stroke and extension?
A single-acting hydraulic cylinder is designed to handle variations in cylinder stroke and extension efficiently. Here’s a detailed explanation:
Single-acting hydraulic cylinders operate by applying force in one direction, typically through the extension of the piston. They utilize hydraulic fluid pressure to generate and control the force exerted by the cylinder. Here are some key points on how single-acting hydraulic cylinders handle variations in cylinder stroke and extension:
1. Adjustable Stroke Length: Single-acting hydraulic cylinders can be designed with an adjustable stroke length feature. This allows users to modify the distance the piston can extend, accommodating different requirements and variations in stroke length. By adjusting the cylinder’s stroke, it becomes possible to control the range of motion and extension of the piston, ensuring compatibility with specific applications.
2. Customizable Mounting Options: Single-acting hydraulic cylinders offer various mounting options to facilitate flexible integration into different systems. The mounting configuration can be customized to suit the specific requirements of the application. Different mounting styles, such as flange mounts, foot mounts, or clevis mounts, provide versatility in accommodating variations in cylinder stroke and extension while maintaining stability and proper alignment.
3. Control Valve Regulation: Control valves play a critical role in regulating the flow of hydraulic fluid into and out of the cylinder. By controlling the rate of fluid flow, the valves enable precise control over the extension and retraction of the piston. Adjusting the valve settings allows for fine-tuning of the cylinder’s stroke and extension, ensuring accurate and controlled movement.
4. Position Sensing Devices: Single-acting hydraulic cylinders can be equipped with position sensing devices, such as linear transducers or proximity sensors. These devices provide feedback on the cylinder’s position and extension, allowing for real-time monitoring and control. By detecting and measuring variations in stroke length and extension, position sensing devices enable precise positioning and ensure consistent performance.
5. Cylinder Cushioning: To handle variations in cylinder stroke and extension, single-acting hydraulic cylinders may incorporate cushioning mechanisms. Cushioning helps to dampen the impact during the piston’s approach to the end of its stroke, reducing shock and minimizing the risk of damage. The cushioning feature allows for controlled deceleration and smooth operation, regardless of variations in stroke length.
It is important to consider the specific application requirements and consult the manufacturer’s guidelines to ensure proper handling of variations in cylinder stroke and extension. Manufacturers often provide recommendations and technical specifications to ensure optimal performance and safe operation.
In summary, single-acting hydraulic cylinders handle variations in cylinder stroke and extension through adjustable stroke length, customizable mounting options, control valve regulation, position sensing devices, and cushioning mechanisms. These features allow for precise control, flexibility, and reliable performance in a wide range of applications.
How does a single-acting hydraulic cylinder contribute to efficient force generation?
A single-acting hydraulic cylinder plays a crucial role in efficiently generating force for various applications. Here’s a detailed explanation:
1. Direct Force Generation: Single-acting hydraulic cylinders are designed to generate force in one direction, typically the extending stroke. By applying hydraulic pressure to the cylinder’s pressure chamber, the piston moves linearly, transmitting force to the piston rod. This direct force generation mechanism allows for efficient and effective transfer of hydraulic energy into mechanical force.
2. High Power-to-Weight Ratio: Single-acting hydraulic cylinders offer a high power-to-weight ratio, making them efficient in force generation. The compact and lightweight design of the cylinder allows for a significant force output relative to its size and weight. This characteristic is especially advantageous in applications where space and weight limitations exist.
3. Mechanical Advantage: The mechanical advantage of a single-acting hydraulic cylinder contributes to efficient force generation. The cylinder’s design incorporates a piston with a larger effective area on the pressure side and a smaller effective area on the return side. This size difference creates a mechanical advantage, amplifying the force output compared to the hydraulic pressure input. As a result, the cylinder can generate a greater force with the same hydraulic pressure.
4. Customizable Force Output: Single-acting hydraulic cylinders offer flexibility in adjusting the force output to suit specific requirements. The force generated by the cylinder can be controlled by adjusting the hydraulic pressure supplied to the pressure chamber. This adjustability allows for precise force matching for different loads and applications, contributing to efficient force generation.
5. Energy Efficiency: Single-acting hydraulic cylinders are known for their energy efficiency. They require hydraulic pressure only during the extending stroke, where force generation is needed. During the return stroke, external forces or mechanisms, such as gravity or springs, are utilized instead of hydraulic pressure. This intermittent use of hydraulic energy minimizes energy consumption, resulting in efficient operation and reduced power requirements.
6. Reliability and Durability: Single-acting hydraulic cylinders are designed to be reliable and durable, contributing to efficient force generation over extended periods. The cylinders are constructed with robust materials and components capable of withstanding high forces and pressures. Additionally, their simple design with fewer moving parts reduces the likelihood of mechanical failures, ensuring consistent and efficient force generation.
7. Integration with Hydraulic Systems: Single-acting hydraulic cylinders can be seamlessly integrated into hydraulic systems, further enhancing their efficiency in force generation. They can be combined with other hydraulic components such as pumps, valves, and actuators to create a comprehensive system that optimizes force generation and control. This integration allows for coordinated operation and efficient utilization of hydraulic power.
In summary, a single-acting hydraulic cylinder contributes to efficient force generation through direct force transmission, high power-to-weight ratio, mechanical advantage, customizable force output, energy efficiency, reliability, durability, and integration with hydraulic systems. These characteristics make single-acting hydraulic cylinders a preferred choice in various applications where efficient force generation is essential.
editor by CX 2023-10-21