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 |
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| 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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Can lift cylinders be used in dock levelers and loading ramps?
Yes, lift cylinders can be used in dock levelers and loading ramps. Here’s an explanation of their utilization in these applications:
Dock levelers and loading ramps are essential equipment in logistics and transportation facilities, allowing for efficient loading and unloading of goods between trucks and loading docks. Lift cylinders play a crucial role in these systems by providing the necessary lifting and positioning capabilities.
In dock levelers, lift cylinders are employed to bridge the gap between the loading dock and the truck bed, ensuring a smooth transition for material handling equipment such as forklifts or pallet jacks. These cylinders are typically integrated into the mechanical or hydraulic systems of the dock leveler, allowing for controlled vertical movement. By extending or retracting the lift cylinders, the dock leveler can be adjusted to match the height of the truck bed, enabling safe and efficient loading or unloading of cargo.
Loading ramps, also known as mobile yard ramps or portable ramps, are used in situations where a permanent loading dock is not available or when additional flexibility is required. Lift cylinders are utilized in loading ramps to provide the means for height adjustment and inclination control. By extending or retracting the lift cylinders, the ramp can be raised or lowered to align with the truck bed height, facilitating the movement of goods between the ramp and the truck.
The use of lift cylinders in dock levelers and loading ramps ensures precise and controlled positioning during the loading and unloading process. Operators can adjust the lift cylinders to match the specific height requirements, allowing for smooth and safe transfer of materials without causing damage to the goods or the equipment.
Lift cylinders used in dock levelers and loading ramps are designed to withstand heavy loads and endure frequent use. They are constructed with robust materials and incorporate features such as seals and bearings to ensure durability and reliability in demanding industrial environments.
Furthermore, lift cylinders in dock levelers and loading ramps may incorporate safety features such as automatic descent control or velocity fuses. These safety mechanisms help prevent sudden drops or uncontrolled movements in the event of a hydraulic system failure, enhancing the overall safety of the loading and unloading operations.
In summary, lift cylinders are commonly utilized in dock levelers and loading ramps to provide reliable and controlled lifting and positioning capabilities. Their ability to handle heavy loads, facilitate height adjustment, and incorporate safety features makes them integral components in these applications, contributing to efficient and safe material handling operations.
Can lift cylinders be used in construction equipment like cranes?
Yes, lift cylinders are commonly used in construction equipment, including cranes. Here’s an explanation of their utilization in this context:
Lift cylinders play a crucial role in the lifting and positioning operations of construction equipment, providing the necessary force and control to handle heavy loads and perform various construction tasks.
1. Mobile Cranes:
Lift cylinders are integral components of mobile cranes, such as hydraulic truck cranes and rough terrain cranes. These cylinders are typically employed in the boom and jib systems of the crane. By extending or retracting the lift cylinders, the crane can raise or lower the boom or jib, allowing for vertical lifting and horizontal reach. Lift cylinders enable precise control over the crane’s lifting capacity, height, and reach, making them essential for safe and efficient construction operations.
2. Tower Cranes:
In tower cranes, lift cylinders are used to control the movement of the crane’s jib and counter-jib. These cylinders facilitate the horizontal slewing of the jib, allowing the crane to cover a wide range of working areas. By adjusting the lift cylinders, the crane operator can position the load at specific locations on the construction site, contributing to accurate and controlled material handling.
3. Crawler Cranes:
Crawler cranes, which are equipped with tracks for mobility, also utilize lift cylinders in their lifting systems. These cylinders enable the crane to raise and lower the boom, adjust the angle of the boom, and control the movement of the load. Lift cylinders in crawler cranes provide the necessary stability and lifting capacity to handle heavy loads in various construction scenarios.
4. Excavators and Backhoes:
Lift cylinders are commonly found in excavators and backhoes used in construction projects. These cylinders are employed to control the movement of the boom, stick, and bucket attachments. By extending or retracting the lift cylinders, operators can perform digging, lifting, and material handling tasks, enhancing the versatility and productivity of the equipment.
5. Other Construction Equipment:
Lift cylinders are also utilized in a wide range of other construction equipment, including concrete pumps, aerial work platforms, telescopic handlers, and articulated dump trucks. These cylinders provide the lifting and positioning capabilities required to perform specific construction tasks, such as concrete pouring, elevated work, material placement, and load handling.
In summary, lift cylinders are extensively used in construction equipment like cranes to enable safe and efficient lifting and positioning operations. Whether in mobile cranes, tower cranes, crawler cranes, excavators, or other construction machinery, lift cylinders contribute to the control, stability, and versatility of the equipment, enhancing productivity and ensuring the successful execution of construction projects.
How does a lift cylinder contribute to precise load positioning?
A lift cylinder plays a crucial role in achieving precise load positioning in various applications. Here’s an explanation of how a lift cylinder contributes to precise load positioning:
1. Controlled Vertical Motion:
A lift cylinder provides controlled vertical motion, allowing for accurate and precise movement of the load. By adjusting the hydraulic fluid flow and pressure, the cylinder extends or retracts with the desired speed and smoothness. This controlled motion enables precise positioning of the load at the desired height or location.
2. Adjustable Stroke Length:
Lift cylinders often have an adjustable stroke length, which refers to the distance the piston can travel within the cylinder barrel. By customizing the stroke length according to the specific load positioning requirements, the cylinder can achieve the desired precision. This adjustability allows for fine-tuning the cylinder’s movement to accurately position the load with precision.
3. Load Holding Capability:
Lift cylinders are designed to have load holding capability, meaning they can maintain the position of the load without drifting or unwanted movement. This is achieved through the use of seals, locking mechanisms, or pressure control valves that prevent the cylinder from extending or retracting unintentionally. The load holding capability ensures that once the load is positioned precisely, it remains stable and secure.
4. Sensing and Feedback Systems:
Advanced lift cylinder systems may incorporate sensing and feedback mechanisms to enhance load positioning precision. These systems use sensors to measure the position, force, or pressure within the cylinder and provide feedback to the control system. This real-time feedback allows for continuous adjustments and fine-tuning of the cylinder’s movements, ensuring precise load positioning.
5. Integration with Control Systems:
Lift cylinders can be integrated with control systems that enable precise load positioning. Through electronic controls or programmable logic controllers (PLCs), the cylinder’s movement can be precisely controlled and coordinated with other equipment or processes. This integration allows for synchronized movements and accurate load positioning in complex automation systems.
In summary, a lift cylinder contributes to precise load positioning through controlled vertical motion, adjustable stroke length, load holding capability, sensing and feedback systems, and integration with control systems. These features and capabilities enable lift cylinders to achieve the precise positioning required in various applications, ranging from material handling to industrial automation.
editor by CX 2024-03-08