Product Description

 

Hydraulic Cylinder used on Front Loader
Hydraulic cylinders are an integral part of many machines and devices, and front loaders are no exception. Front loaders, also known as front end loaders or simply loaders, are heavy equipment machines used for moving, handling, and lifting materials such as dirt, sand, rocks, and other construction debris. The hydraulic cylinder in a front loader is a key component that enables the machine to perform its various functions. It is responsible for lifting the bucket and moving it into position to scoop up material. The hydraulic cylinder also allows the bucket to be lowered and dumped, releasing the material at the desired location. The combination of the hydraulic cylinder and the front loader is a force to be reckoned with. They work together seamlessly, enabling the loader to perform tasks quickly and efficiently. The hydraulic cylinder’s strength and precision make it an indispensable part of the front loader, ensuring its smooth operation and reliability.

 

Hydraulic Cylinder used on Side Loader
The side loader garbage truck is a remarkable piece of engineering, designed with efficiency and hygiene in mind. The truck’s unique design, which includes a hydraulic cylinder, allows it to handle large volumes of trash with ease. The hydraulic cylinder in a side loader is made up of 2 main parts: the cylinder tube and the piston. The cylinder tube is a hollow metal cylinder that contains the hydraulic fluid. The piston is a CHINAMFG metal rod that slides within the cylinder tube.  The hydraulic cylinder is the driving force behind the side loader garbage truck’s capabilities. It powers the lifting and tilting mechanisms that are essential for emptying trash containers into the truck’s body. The cylinder uses pressurized hydraulic fluid to generate the force necessary to manipulate the trash container.

 

Hydraulic Cylinder used on Rear Loader
The rear loader garbage truck is a specialized vehicle designed to handle the collection and disposal of trash in an efficient and hygienic manner. It features a unique loading mechanism that allows trash to be emptied directly into the truck’s body from the side, rather than from the rear or top.The hydraulic cylinder is what powers the trash container lifting mechanism. It uses pressurized hydraulic fluid to generate the force needed to tilt and empty the trash container into the truck’s hopper. This design allows for quick and effortless emptying, reducing the time and effort needed for trash collection.The hydraulic cylinder in a rear loader must be able to withstand significant forces and pressures, as it is responsible for lifting heavy loads and repeatedly performing this task over time. 

About Us
Established in   1988 , HangZhou LD Machinery Co, LTD. (hereinafter referred to “LD”) is a leading manufacturer specializing in the design, research, development, manufacture and marketing in the hydraulic industry. Being one of major suppliers of customized components and cylinders for manufacturers spreaded all over the world, the company is committed to offer high quality products with competitive prices and excellent service worldwide.

Headquartered in HangZhou City, ZHangZhoug Province, the company wholly owns a subsidiary production factory named “HangZhou YUEWEI Hydraulic Technology Co., Ltd”, which covers an area of more than   380,000 square meters , possesses abundant technical strength and sound production management system, superior machining production equipment, strict and effective quality control system, advanced and excellent inspection instruments.

More than   35  years experience in machining industry, with over   10  experienced technical engineers and   150  skilled workers, LD has a senior engineering technical team with special skills and rich experience in product design, casting, forging, and CNC machining, can handle special material, structure, defect and processing, meet the evolving needs, and provide optimal solution and real one-stop service to customers.
 

Hydraulic Cylinder Producing Process

Step1: Quality Control on Raw Material
We have our own lab in factory, inspect the raw material and do the test. For every batch of material we received, we will ask supplier provide their certificate, and then cut them to do the test again to see if the results match the certification. Also, every batch we received, we will cut them into pieces to check the air bubbles. Once they are all qualified, we will accept it, and all detail information will be recording in our ERP system. We will also pay lot of attention on the salt spray test for chrome rod. Every month, we will cut the material, put them into test machine to see if it reach the requirement. All the result will be recorded at our QC department. If customer need, we can provide it.

Step2: Quality Control on Machining

we start doing components machining from 1988 with 36 years experience now and insist doing 100% inspection. We spend lots of money, invest on auto robots and machines. Now half of the producing line is by robot so that we can ensure our quality be stable good. For every part of the cylinder, we do 3 times inspecting. Firstly, workers will do self inspection. Secondly, we have tour-hour inspection checking the products, 2 times in the morning and 2 times in the afternoon, make sure that every step is good. After the products are all completed, we will do 100% inspection. For thread, for the tolerance, everything, we need double check. Also, we have specific warehouse just for the measuring tools. Every inspector have their own measuring tool and we will check the measuring tools regularly to make sure they are all in good condition, so that the measuring results will be convincing.

Step3: Quality Control on Welding

We are qualified to AWS certification, which is very popular in North American market. First, for the visual test, we will make sure that every components are welded good, look beautiful. And the second, we need to check the penetration. We have more than 15 years experience, we do know what kind of designing angle can make the cylinder welding strong. Once we finish the first article, we will cut it and analyse the welding to see if it is fulfill the groove. And then do the radiographic testing to make sure there is no gap inside. What’s more, we will do the ultrasonic test to check the program for the robot. Now 80% of welding is doing by robot. Once the program confirmed, no 1 can change it unless the welding manager, and they only have 5% right.

Step4: Quality Control on Assembling
For assembling, we have some difference with others. The brand we uses for seals are all those famous brand like Aston, Parker, Hallite. The cylinder we give to our customer has 2 years warranty. For our company, we engrave our part number and manufacturing date for the quality warranty. So no matter for seals or any others, as long as they are parts of cylinder, if it is under 2 years, we will take responsibility for them. And we will do the test for every cylinder like for pressure after we finish assembling.

Step5: Quality Control on Painting
We have our half auto painting line. Right now, we can paint about 1500 cylinders per day, which is about 1 container. Before we do the painting, we will do the wash first and for every cylinder, we will test for hardness, thickness and adhesion to make sure the painting are all good, which will be recorded into OQC report, print out and stick on the box, ship to you with your products.

Step6: Hydraulic Cylinder Packing
For every cylinder, we have the stick to show the detail information like bore size, stroke and working pressure. And we will use individual plastic bag packing. If customer need, we can also use individual carton box packing. We will fasten 1 floor after 1 floor with plat, so customer can only cut what they need and other layer will still be fasten. Moreover, there will be plywood pallet or plywood box for customer choosing. We will also send the loading picture to customer after we ship them to make sure everything is well loaded in China.

Packing Reference

Order Process

Enterprise Features

FAQ
Q1. What is LD product’s quality assurance?
100% inspection for each product before shipping with inspection rereport for tracking.

Q2: How long is the warranty on LD products?
The warranty is 2 years for general products since the date of shipment.

Q3: How LD deal with the quality problem during warranty period?
1. LD will take the corresponding cost caused by customer local reparing. 
2. LD will provide the product by free if the repair cost is higher than the product value, but the freight involved shall be borne by customer side.

Q4: How to ensure the order can be shipped on time?
LD will send the “production schedule” every week after receiving customers’ orders. If any delays, LD will inform customers 3 weeks in advance, so as to facilitate the customer to arrange the schedule.

Q5: Does LD offer delivery service?
Yes. LD has deep cooperation with logistics companies all over the world to provide customers with quick and convenient “Door-to-Door services”,including sea, air and express.

Q6: How LD control the product quality?
1. Raw materials: We will test the material of each batch of raw materials we receive, and the piston rod will be tested with salt spray. This is to ensure that the material of our products meets the requirements at the beginning.
2. Processing: We have the leading machining equipment, and obtained ISO9001 certification.
3. Welding: Our factory is equipped with welding robots, and has obtained the AWS certification.
4. Assembly pressure test: 100% testing with OQC report for cHangZhou. The seals we use are: Hallite, Aston and Gapi

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Certification: ISO9001
Pressure: Medium Pressure
Work Temperature: Normal Temperature
Acting Way: Double Acting
Working Method: Straight Trip
Adjusted Form: Regulated Type

Samples:
US$ 299/Piece
1 Piece(Min.Order)

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Customization:
Available

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single acting hydraulic cylinder

How does a single-acting hydraulic cylinder handle variations in hydraulic hose technology?

A single-acting hydraulic cylinder is compatible with various hydraulic hose technologies. Here’s a detailed explanation:

Hydraulic hoses are essential components in hydraulic systems, responsible for transmitting hydraulic fluid between different hydraulic components, including the hydraulic cylinder. Single-acting hydraulic cylinders can handle variations in hydraulic hose technology due to their flexible design and standardized fittings.

Here are some key aspects of how single-acting hydraulic cylinders handle variations in hydraulic hose technology:

1. Compatibility: Single-acting hydraulic cylinders are designed to be compatible with a wide range of hydraulic hose types, including rubber hoses, thermoplastic hoses, and metal hoses. They can accommodate variations in hose materials, construction, and specifications.

2. Standardized Fittings: Single-acting hydraulic cylinders usually feature standardized fittings such as threaded connectors, flanges, or quick-release couplings. These standardized fittings ensure compatibility and facilitate the connection between the hydraulic cylinder and the hydraulic hose.

3. Pressure and Flow Requirements: Single-acting hydraulic cylinders have specific pressure and flow requirements to operate effectively. Hydraulic hoses must be selected based on their ability to handle the required pressure ratings and flow rates of the hydraulic system. Variations in hydraulic hose technology can be managed by choosing hoses that meet the specific pressure and flow requirements of the single-acting hydraulic cylinder.

4. Hose Sizing: The sizing of hydraulic hoses is critical to ensure optimal performance and efficiency of the hydraulic system. Single-acting hydraulic cylinders require hydraulic hoses with appropriate inside diameter (ID) and length to accommodate the hydraulic fluid flow and pressure. Variations in hydraulic hose technology can be addressed by selecting hoses with the correct sizing for the specific application.

5. Industry Standards: Hydraulic hose technology is regulated by industry standards and specifications to ensure safety and performance. Single-acting hydraulic cylinders are designed to adhere to these standards, allowing for seamless integration with different hydraulic hose technologies that comply with industry requirements.

It is important to consider the specific application, operating conditions, and requirements when selecting hydraulic hoses for use with single-acting hydraulic cylinders. Consulting hydraulic system experts or referring to hydraulic system documentation can provide further guidance on the appropriate hydraulic hose technology to use with single-acting hydraulic cylinders.

In summary, single-acting hydraulic cylinders can handle variations in hydraulic hose technology by offering compatibility with different hose types, standardized fittings, consideration of pressure and flow requirements, appropriate hose sizing, and adherence to industry standards. These features ensure the proper functioning and integration of hydraulic hoses with single-acting hydraulic cylinders in various hydraulic system applications.

single acting hydraulic cylinder

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.

single acting hydraulic cylinder

How does a single-acting hydraulic cylinder differ from a double-acting one?

A single-acting hydraulic cylinder and a double-acting hydraulic cylinder differ in their operational characteristics and capabilities. Here’s a detailed explanation:

1. Direction of Force: The main difference between the two types of cylinders lies in the direction of force they can generate. A single-acting hydraulic cylinder operates in one direction only, exerting force in the extending stroke. In contrast, a double-acting hydraulic cylinder can generate force in both the extending and retracting strokes.

2. Hydraulic Ports: Single-acting hydraulic cylinders have a single hydraulic port, typically located at the base of the cylinder. This port is used to supply hydraulic fluid to the pressure chamber, creating the force for the extending stroke. Double-acting hydraulic cylinders, on the other hand, have two hydraulic ports—one for supplying fluid to the extending side of the cylinder and the other for supplying fluid to the retracting side.

3. Return Stroke: In a single-acting hydraulic cylinder, the return stroke is accomplished by external forces or mechanisms. Once the hydraulic pressure is released or redirected, the piston is pushed back to its original position by factors such as gravity or springs. In contrast, double-acting cylinders can generate force in the retracting stroke by supplying hydraulic fluid to the appropriate side of the cylinder, allowing for bidirectional force generation.

4. Versatility: Double-acting hydraulic cylinders offer greater versatility compared to single-acting cylinders. With the ability to generate force in both directions, double-acting cylinders can perform a wider range of tasks and accommodate varying operational requirements. They provide more flexibility in applications where bidirectional force, precise control over extending and retracting movements, or the ability to hold a load in place is necessary.

5. Complexity and Cost: Single-acting hydraulic cylinders have a simpler design and require fewer hydraulic components compared to double-acting cylinders. This generally makes them more cost-effective and easier to maintain. Double-acting cylinders, with their additional hydraulic ports and capabilities, tend to be more complex and may involve higher costs in terms of construction, installation, and maintenance.

6. Common Applications: Single-acting hydraulic cylinders are commonly used in applications where force is only required in one direction, such as lifting equipment, dump trucks, and hydraulic jacks. Double-acting cylinders find widespread use in various industries and applications, including manufacturing, construction, and automation, where bidirectional force, precise control, and holding capabilities are essential.

In summary, the main differences between single-acting and double-acting hydraulic cylinders lie in their force generation capabilities, hydraulic ports, return stroke mechanisms, versatility, complexity, and cost. Understanding these differences is crucial for selecting the appropriate type of hydraulic cylinder for specific application requirements.

China factory High Good Quality Single Double Acting Hole Hydraulic Cylinder for Front Loader Garbage Truck   vacuum pump connector	China factory High Good Quality Single Double Acting Hole Hydraulic Cylinder for Front Loader Garbage Truck   vacuum pump connector
editor by CX 2024-02-06