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 hydraulic cylinders be used for precise operations like CNC machining or molding?
Yes, hydraulic cylinders can be used for precise operations like CNC machining or molding. While hydraulic systems are commonly associated with heavy-duty applications, they can also provide the necessary precision and control required for precise operations in CNC machining and molding processes. Here’s a detailed explanation of how hydraulic cylinders can be utilized for such precise operations:
1. Force and Control:
– Hydraulic cylinders are capable of generating substantial force, which is essential for precise operations in CNC machining and molding. By using hydraulic pressure, the cylinders can deliver the required force to cut or shape materials accurately or exert pressure for molding operations. The hydraulic system allows precise control over the force applied, ensuring consistent and reliable performance.
2. Adjustable Speed and Positioning:
– Hydraulic cylinders offer adjustable speed and precise positioning capabilities, making them suitable for precise operations. By controlling the flow of hydraulic fluid, the speed of the cylinder’s movement can be adjusted according to specific requirements. This adaptability allows for fine-tuning the machining or molding process, achieving the desired precision in material removal or shaping. Hydraulic systems also enable accurate positioning of tools or molds, ensuring precise operations.
3. Integrated Feedback Systems:
– Advanced hydraulic systems can incorporate feedback sensors and control mechanisms to enhance precision in CNC machining and molding. These sensors provide real-time information about the position, speed, and force exerted by the hydraulic cylinders. The control system processes this data and adjusts the flow of hydraulic fluid accordingly, allowing for precise and accurate control over the operations. The feedback systems help maintain consistent performance and compensate for any deviations, ensuring high precision.
4. Damping and Vibration Control:
– Hydraulic cylinders can be equipped with damping mechanisms to minimize vibrations and ensure stability during CNC machining or molding operations. Vibrations can negatively impact precision by causing tool chatter or material deformation. By incorporating cushioning or damping features, hydraulic cylinders help absorb shocks and suppress vibrations, resulting in smoother and more accurate operations.
5. Customization and Adaptability:
– Hydraulic cylinders can be customized and adapted to meet the specific requirements of CNC machining or molding processes. Engineers can design cylinders with unique dimensions, stroke lengths, mounting options, and sealing arrangements to fit into equipment or systems with precise specifications. Customized hydraulic cylinders ensure optimal performance and compatibility for precise operations, enabling seamless integration into CNC machines or molding equipment.
6. Energy Efficiency:
– Hydraulic systems can be designed to be energy-efficient, contributing to cost savings in CNC machining or molding operations. By utilizing variable speed pumps, efficient control valves, and well-designed hydraulic circuits, energy consumption can be optimized. This efficiency reduces heat generation, leading to improved stability and precision in operations while minimizing energy costs.
7. Maintenance and Calibration:
– Regular maintenance and calibration of hydraulic systems are essential to maintain their precision in CNC machining or molding applications. Proper lubrication, inspection of seals, and replacement of worn-out components help ensure optimal performance. Regular calibration of control systems and feedback sensors ensures accurate readings and reliable operation, contributing to precision in machining or molding processes.
In summary, hydraulic cylinders can be effectively used for precise operations like CNC machining or molding. Their ability to generate substantial force, adjustable speed and positioning, integration with feedback systems, damping and vibration control, customization and adaptability, energy efficiency, and proper maintenance contribute to achieving the required precision in these operations. By leveraging the strengths of hydraulic systems, manufacturers can enhance the accuracy and reliability of CNC machining or molding processes, resulting in high-quality products and improved productivity.
Contribution of Hydraulic Cylinders to the Precision of Robotic and Automation Systems
Hydraulic cylinders play a significant role in enhancing the precision of robotic and automation systems. These systems rely on precise and controlled movements to perform various tasks with accuracy and repeatability. Let’s explore how hydraulic cylinders contribute to the precision of robotic and automation systems:
- Precise Positioning: Hydraulic cylinders enable precise positioning of robotic arms or automation components. They provide accurate control over the linear motion required for tasks such as picking, placing, and assembly. By precisely controlling the extension and retraction of the hydraulic cylinder, the system can achieve the desired position with high accuracy, ensuring precise alignment and consistent results.
- Controlled Motion: Hydraulic cylinders offer controlled and smooth motion, which is crucial for precise operation in robotic and automation systems. The flow of hydraulic fluid can be precisely regulated to control the speed and acceleration of the cylinder’s movement. This precise control allows for gentle and controlled movements, minimizing vibrations, overshooting, or jerky motions that could affect the accuracy of the system.
- Force Control: Hydraulic cylinders provide force control capabilities that contribute to precision in robotic and automation systems. By adjusting the hydraulic pressure, the force exerted by the cylinder can be precisely controlled. This is particularly valuable in applications that require delicate force-sensitive tasks, such as gripping fragile objects or performing precise force feedback during assembly or testing processes.
- Load Handling: Hydraulic cylinders are capable of handling heavy loads, allowing robotic and automation systems to manipulate and transport objects with precision. The high force capabilities of hydraulic cylinders ensure secure and stable handling of loads, minimizing the risk of slippage or imprecise positioning. This is crucial in applications where precise control over heavy objects is required, such as material handling or industrial assembly processes.
- Durability and Reliability: Hydraulic cylinders are known for their durability and reliability in demanding industrial environments. The ability to withstand repeated use, high loads, and harsh conditions ensures consistent performance over time. This reliability contributes to the precision of robotic and automation systems, as any deviation or failure in the cylinder’s movement could lead to inaccuracies or disruptions in the system’s operation.
In summary, hydraulic cylinders make significant contributions to the precision of robotic and automation systems by enabling precise positioning, controlled motion, force control, load handling, and offering durability and reliability. These capabilities ensure accurate and repeatable movements, minimize errors, and enhance the overall precision of the system. By incorporating hydraulic cylinders into robotic and automation systems, manufacturers can achieve higher levels of precision, efficiency, and productivity in various industrial applications.
What maintenance practices are essential for extending the lifespan of hydraulic cylinders?
Maintaining hydraulic cylinders is crucial for extending their lifespan and ensuring optimal performance. Regular maintenance helps prevent premature wear, damage, and failure, ultimately reducing downtime and saving costs. Here are some essential maintenance practices to consider for extending the lifespan of hydraulic cylinders:
1. Regular Inspections:
– Conduct routine visual inspections of hydraulic cylinders to identify any signs of damage, leaks, or wear. Inspect the cylinder body, piston rod, seals, and mounting points. Look for fluid leaks, rust, dents, or any abnormal wear patterns. Early detection of issues allows for timely repairs or replacements, preventing further damage and extending the lifespan of the cylinder.
2. Cleanliness:
– Maintain a clean environment around hydraulic cylinders to prevent contaminants from entering the system. Dust, dirt, and debris can damage seals and other internal components, leading to accelerated wear and reduced performance. Regularly clean the cylinder and its surroundings to minimize the risk of contamination.
3. Proper Lubrication:
– Adequate lubrication is critical for the smooth operation and longevity of hydraulic cylinders. Follow the manufacturer’s recommendations for lubrication intervals and use the appropriate lubricant. Apply lubrication to the cylinder’s moving parts, such as the piston rod, to reduce friction and minimize wear.
4. Seal Maintenance:
– Seals play a vital role in preventing hydraulic fluid leaks and maintaining the cylinder’s performance. Inspect and replace worn or damaged seals promptly. Ensure that seals are properly installed and lubricated. Regularly clean the seal grooves to remove any debris that could compromise seal effectiveness.
5. Pressure Checks:
– Periodically check the hydraulic system’s pressure to ensure it is within the recommended operating range. Excessive pressure can strain the cylinder and its components, leading to premature wear. Monitor pressure levels and make adjustments as necessary to prevent overloading the cylinder.
6. Control Valve Maintenance:
– Maintain and inspect control valves that regulate the flow and direction of hydraulic fluid. Ensure that the valves are functioning correctly and not causing excessive stress or pressure spikes in the cylinder. Clean or replace control valves if they are damaged or malfunctioning.
7. Cylinder Alignment:
– Proper alignment of hydraulic cylinders is essential for their longevity. Misalignment can cause excessive side loads, leading to uneven wear and potential damage. Ensure that the cylinder is correctly aligned with other components and that the mounting points are secure.
8. Preventing Overloading:
– Avoid subjecting hydraulic cylinders to loads exceeding their rated capacity. Overloading can cause internal damage, seal failure, and reduced lifespan. Ensure that the load requirements are within the cylinder’s capabilities and consider using safety devices like overload protection systems when necessary.
9. Training and Operator Awareness:
– Provide proper training to equipment operators on the correct use and handling of hydraulic cylinders. Operators should be aware of the cylinder’s limitations, safe operating procedures, and the importance of regular maintenance. Promote a culture of proactive maintenance and encourage operators to report any potential issues promptly.
10. Documentation and Record-Keeping:
– Maintain detailed documentation of all maintenance activities, including inspections, repairs, and replacements. Keep records of lubrication schedules, pressure checks, and any maintenance performed on the hydraulic cylinders. This documentation helps track the cylinder’s history, identify recurring issues, and plan future maintenance effectively.
By following these maintenance practices, hydraulic cylinder lifespan can be extended, ensuring reliable performance and reducing the risk of unexpected failures. Regular inspections, cleanliness, proper lubrication, seal maintenance, pressure checks, control valve maintenance, cylinder alignment, preventing overloading, operator training, and documentation contribute to the overall longevity and optimal functioning of hydraulic cylinders.
editor by CX 2024-01-16