Product Description
Product Description
Hydraulic cylinders for hydraulic supports produced by CHINAMFG Hydraulic include single telescopic props and double telescopic props, which are of high quality, special processing technology, high wear resistance and corrosion resistance, excellent working performance, meeting the requirements of extremely harsh environment, long service life and low maintenance cost. The cylinders have passed the complete coal safety certification and officially recognized by the industry.
Wantong Hydraulic has been committed to serving domestic large-scale coal mining equipment manufacturers, major mining companies, coal machinery equipment maintenance manufacturers, maintaining a good long-term strategic cooperative relationship. The products have been exported to the United States, Australia, Russia, Africa and other regions, and have won wide market acclaim after years of market validation.
Product Model
SINGLE TELESCOPIC COLUMN OF HYDRAULIC SUPPORT
| ITEM | Cylinder Specification | Bore (mm) | Rod (mm) | stroke(mm) | Closed Size (mm) | Rated Working Pressure (mm) |
| 1 | 160/150 | 160 | 150 | 720 | 1100 | 39.8 |
| 2 | 180/160 | 180 | 160 | 1050 | 1397 | 31.5 |
| 3 | 200/185 | 200 | 185 | 790 | 1290 | 35 |
| 4 | 200/170 | 200 | 170 | 537 | 1068 | ≤42 |
| 5 | 230*220 | 230 | 220 | 1805 | 2185 | 31.5 |
| 6 | 230*220 | 230 | 220 | 595 | 1066 | 31.5 |
| 7 | 230/210 | 230 | 210 | 1200 | 1590 | 39.7 |
| 8 | 250/235 | 250 | 235 | 1285 | 1705 | 40.8 |
| 9 | 280/260 | 280 | 260 | 1300 | 1710 | ≤42 |
| 10 | 320*295 | 320 | 295 | 1300 | 2060 | 37.3 |
| 11 | 320/295 | 320 | 295 | 1145 | 2006 | 37.3 |
| 12 | 320*295 | 320 | 295 | 1278 | 1690 | 40.4 |
| 13 | 360/340 | 360 | 340 | 1395 | 1870 | 36.86 |
Our products are designed with the following advantages:
1.There are many product models, which can meet the needs of most customers;
2.We have a professional design team, they are 1 of the driving forces for our development;
3.Our design team can customize products according to the needs of customers to meet the needs of different customers.
About Us
ZheJiang CHINAMFG Hydraulic Co., Ltd is one of the biggest hydraulic cylinder manufacturer in China, specialized in design, R & D and manufacturing of hydraulicmachinery products etc, with its annual production capaciy of 200000 sets.My company with 600 employees in it ,covers an area of 180000 square meters.There are 700 sets of mnufacturing equipment. Our company invested 10 million RMB in 2 cold drawing lines, 1 is 200 tons and the other is 320 tons with acid cleaning, phosphatization, heat treatment and alignment cutting.
All production steps are finished in the same factory, and this guarantees good quality and short lead time. All the products are ISO/TS16949, CCRI, CCS, and DNV and ABS certified. We passed ISO/TS16949 International Quality System Certification, and we are an “AAA Level Standardization and Good Behavior Enterprise“. The technology center of our company was rated as Provincial Technology Center, and our company has become the base of production, education and research of ZheJiang University of Science and Technology.Advanced equipment, excellent talents and strict management help us develop first-class products.
The company has been deeply rooted in the hydraulic field for 20 years, with a stable management team and key technical personnel. Adhering to the corporate philosophy of “creating hydraulic products for customers“, the company has persisted in research and development investment for many years, mastering core production process technologies such as cold drawing technology, sealing structure optimization technology, piston rod heat treatment and surface treatment technology, mirror polishing roughness control technology, and accumulator dual chamber technology. Starting from the actual needs of customers, the company continuously innovates and gradually positions itself in the mid to high end market, providing high-quality products for customers in industries such as automobiles, coal mines, petroleum, and engineering machinery with high-quality services.
Production Process & Equipmnet
Cold Drawing
The utilization rate and performance of the material are improved through the cold drawing process.
Heat Treatment
The surface hardness of the material is improved by heat treatment.
Boring
Through boring treatment, the finish of the inner hole of the material is improved.
Hard Chrome
Through chrome plating treatment, the corrosion resistance of the material is improved and the service life is prolonged.
Every piece of hydraulic cylinder are processed through dozens of steps, including raw material processing, cylinder assembly, painting, etc. Each step is indispensable, and we also have advanced processing equipment to ensure that the processing dimensions of raw materials meet the requirements of product production.
Quality Inspection
Raw Material Inspection:
The material of raw materials is detected by carbon and sulfur analyzers and spectrometers.
Material Performance Inspection:
The tensile strength, yield strength, hardness and other properties of the material are tested by the material tensile test bench,Brinell hardness tester, CHINAMFG hardness tester and other equipment.
Process Inspection:
The geometric shape, shape and position tolerance and finish of semi-finished products are detected by 3 coordinates,
profilometer and ultrasonic roughness meter.
Chrome Plating Control:
The thickness, hardness and corrosion resistance of the product coating are tested by ultrasonic hardness tester, ultrasonic thickness gauge and salt spray test bench.
Every piece of hydraulic cylinder are tested and will send out only after they are pasted the each test. Our company has abundant technical force and perfect testing means. By making wide technical and business cooperation with many related enterprises, universities, colleges and institutes both at home and abroad, and employing senior engineers and software engineers, we have greatly strengthened and improved our designing, processing, and testing abilities.
Packaging
To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided. Plywood Case, or according to your requirements, We will pack and ship the products in strict accordance with the requirements to ensure that they can be delivered to our esteemed customers in perfect condition.
Credentials & Collaborations
ZheJiang CHINAMFG Hydraulic Co., Ltd. is a very excellent enterprise in all aspects, so we have gained a lot of honors and certificates at home and abroad, and we are the partners of many leading enterprises in China, we provide them with first-class hydraulic products and services, deeply trusted by them, at the same time and in the right place, we will also participate in various exhibitions to promote our latest products, I believe your choice will make us more successful.
FAQ
Q1: Are you a manufacture or a trade company?
Manufacture, we are the leader manufacturer of hydraulic industry in China with 20 years experience and technology.
Q2: Do you have quality control system?
Yes, The quality management system introduced is: ISO/TS 16949:2009-certified by NQA and IATF cert.
Q3: How can i get a booklet and buy a cylinder from you?
Very easy! Just leave me a message or email and tell me your requirement, let me know you are interesting in our products.I will talk with you for the details soon!
Q4: Can you tell me the price for the cylinder?
1. Please help inform your drawing with detail requirement.
2. Please help inform the cylinder NO. after you check our booklet.
3. Please help inform the tipping capacity, strokes, number of stages, closed length, mounting type and size and other information.
4. Please also help inform the quantities, this is very important.
5. Your destination port.
Q5: Do your products come with a warranty?
Yes, we have 14 months warranty. In this period, if the quality problem we will free repair for you.
Q6: Can I customize our products from you?
Yes, we can make products according to your requirements. Please kindly send me your specifications and drawings.
Q7: Can you help me to install or give me advice about what kind of hydraulic cylinder or power pack should I use for specific machine?
Yes, we have 25 experienced engineers who are always ready to help you. If you do not know what kind of hydraulic cylinders should be used in your machine, please just contact us, our engineers will help you to design the exact products you need.
Q8: What is the delivery time?
25-30 days for mass production, which is depend on quality, production process and so on. /* May 10, 2571 16:49:51 */!function(){function d(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Can hydraulic cylinders be retrofitted onto existing equipment for improved functionality?
Yes, hydraulic cylinders can be retrofitted onto existing equipment to enhance functionality and performance. Retrofitting hydraulic cylinders onto existing machinery or equipment offers several benefits, including increased power, improved control, enhanced precision, and versatility. Here’s a detailed explanation of how hydraulic cylinders can be retrofitted onto existing equipment for improved functionality:
1. Increased Power:
– Retrofitting hydraulic cylinders allows for the addition of hydraulic power to the existing equipment. By integrating hydraulic cylinders, the equipment can generate higher forces and handle heavier loads. This increased power enables the equipment to perform tasks that were previously challenging or impossible. For example, a retrofit hydraulic cylinder on a crane can enhance its lifting capacity and enable it to handle heavier loads more efficiently.
2. Improved Control:
– Hydraulic cylinders provide precise control over the motion and positioning of equipment. By retrofitting hydraulic cylinders, operators gain better control over the speed, force, and direction of movement. The addition of hydraulic control valves and a hydraulic power unit allows for fine-tuning of the equipment’s operation. Improved control facilitates safer and more efficient operation, reducing the risk of damage and improving overall productivity.
3. Enhanced Precision:
– Retrofitting hydraulic cylinders onto existing equipment can significantly improve precision and accuracy. Hydraulic systems offer precise control over movement, enabling smooth and controlled motion. This enhanced precision is beneficial in applications where precise positioning or repetitive movements are required. For instance, retrofitting hydraulic cylinders onto a robotic arm can enhance its accuracy and repeatability, making it more suitable for tasks that demand high precision.
4. Versatility and Adaptability:
– Retrofitting hydraulic cylinders can increase the versatility and adaptability of existing equipment. Hydraulic systems can be easily integrated with various types of machinery, allowing for the utilization of hydraulic power across different applications. The modular nature of hydraulic components facilitates the retrofitting process, enabling the equipment to perform a broader range of tasks. This versatility is particularly advantageous in industries where equipment needs to adapt to changing operational requirements.
5. Retrofit Kits and Customization:
– Manufacturers often provide retrofit kits that include all the necessary components for integrating hydraulic cylinders onto existing equipment. These kits typically consist of hydraulic cylinders, mounting brackets, hoses, fittings, control valves, and other required accessories. Retrofit kits simplify the retrofitting process and ensure compatibility between the hydraulic components and the existing equipment. Additionally, manufacturers can offer customization options to tailor the retrofit solution to specific equipment and application needs.
6. Cost-Effective Solution:
– Retrofitting hydraulic cylinders onto existing equipment can be a cost-effective solution compared to purchasing new machinery. By leveraging the existing equipment’s structural framework and mechanical components, the overall cost of upgrading can be reduced. Retrofitting also minimizes downtime since the equipment does not need to be completely replaced. Furthermore, the improved functionality and performance resulting from the retrofit can lead to increased productivity and cost savings in the long run.
7. Professional Installation and Expertise:
– Retrofitting hydraulic cylinders onto existing equipment often requires professional installation and expertise. Working with experienced hydraulic system integrators or manufacturers ensures proper installation, compatibility, and optimal performance of the retrofit solution. These professionals can assess the existing equipment, recommend suitable hydraulic components, and carry out the retrofitting process efficiently. Their knowledge and expertise contribute to the successful integration of hydraulic cylinders and the overall improvement of equipment functionality.
In summary, hydraulic cylinders can indeed be retrofitted onto existing equipment to improve functionality. This retrofitting process offers advantages such as increased power, improved control, enhanced precision, versatility, cost-effectiveness, and access to retrofit kits and customization options. By retrofitting hydraulic cylinders, existing equipment can be upgraded to meet evolving operational needs, extend its lifespan, and enhance overall performance.
Ensuring Stable Performance of Hydraulic Cylinders Under Fluctuating Loads
Hydraulic cylinders are designed to provide stable performance even under fluctuating loads. They achieve this through various mechanisms and features that allow for efficient load control and compensation. Let’s explore how hydraulic cylinders ensure stable performance under fluctuating loads:
- Piston Design: The piston inside the hydraulic cylinder plays a crucial role in load control. It is typically equipped with seals and rings that prevent leakage of hydraulic fluid and ensure effective transfer of force. The piston design may incorporate features such as stepped or tandem pistons, which provide enhanced load-bearing capabilities and improved stability by distributing the load across multiple surfaces.
- Cylinder Cushioning: Hydraulic cylinders often incorporate cushioning mechanisms to minimize the impact and shock caused by fluctuating loads. Cushioning can be achieved through various methods, such as adjustable cushion screws, hydraulic cushioning valves, or elastomeric cushioning rings. These mechanisms slow down the piston’s movement near the end of the stroke, reducing the impact and preventing sudden stops that could lead to instability.
- Pressure Compensation: Fluctuating loads can result in pressure variations within the hydraulic system. To ensure stable performance, hydraulic cylinders are equipped with pressure compensation mechanisms. These mechanisms maintain a consistent pressure level in the system, regardless of load changes. Pressure compensation can be achieved through the use of pressure relief valves, compensating pistons, or pressure-compensated flow control valves.
- Flow Control: Hydraulic cylinders often incorporate flow control valves to regulate the speed of the cylinder’s movement. By controlling the flow rate of hydraulic fluid, the cylinder’s motion can be adjusted to match the changing load conditions. Flow control valves allow for smooth and controlled movement, preventing abrupt changes that could lead to instability.
- Feedback Systems: To ensure stable performance under fluctuating loads, hydraulic cylinders can be integrated with feedback systems. These systems provide real-time information on the cylinder’s position, velocity, and force. By continuously monitoring these parameters, the hydraulic system can make immediate adjustments to maintain stability and compensate for load fluctuations. Feedback systems can include position sensors, pressure sensors, or load sensors, depending on the specific application.
- Proper Sizing and Selection: Ensuring stable performance under fluctuating loads starts with proper sizing and selection of hydraulic cylinders. It is crucial to choose cylinders with appropriate bore size, rod diameter, and stroke length to match the anticipated load conditions. Oversized or undersized cylinders can lead to instability and reduced performance. Proper sizing also involves considering factors such as the required force, speed, and duty cycle of the application.
In summary, hydraulic cylinders ensure stable performance under fluctuating loads through features such as piston design, cushioning mechanisms, pressure compensation, flow control, feedback systems, and proper sizing and selection. These mechanisms and considerations allow hydraulic cylinders to provide consistent and controlled movement, even in dynamic load conditions, resulting in reliable and stable performance.
How do hydraulic cylinders contribute to the efficiency of heavy machinery like excavators?
Hydraulic cylinders play a crucial role in enhancing the efficiency and performance of heavy machinery, such as excavators. These powerful hydraulic actuators enable excavators to perform various tasks efficiently and effectively. Here’s a detailed explanation of how hydraulic cylinders contribute to the efficiency of heavy machinery like excavators:
1. Force and Power:
– Hydraulic cylinders provide the necessary force and power required for the excavation process. They convert hydraulic energy from the hydraulic fluid into linear mechanical force, allowing the excavator to exert significant pushing and pulling forces. The force generated by hydraulic cylinders enables the digging arm or boom of the excavator to penetrate and break through tough materials, such as soil, rocks, or concrete, with ease and efficiency.
2. Precise Control:
– Hydraulic cylinders offer precise control over the movement of excavator components. By regulating the flow of hydraulic fluid to the cylinders, operators can control the speed, direction, and positioning of the excavator’s arm, boom, bucket, and other attachments. This precise control allows operators to perform delicate operations, such as fine grading or precise material placement, with accuracy and efficiency.
3. Versatility and Adaptability:
– Hydraulic cylinders enable excavators to perform a wide range of tasks by facilitating the quick and easy interchangeability of attachments. Excavators can be equipped with various specialized attachments, including buckets, breakers, grapples, and augers, which can be efficiently connected and disconnected using hydraulic cylinders. This versatility and adaptability enhance the efficiency of excavators by enabling them to tackle different tasks without the need for extensive manual adjustments or downtime.
4. Increased Productivity:
– The power and control provided by hydraulic cylinders significantly increase the productivity of excavators. Excavators equipped with hydraulic cylinders can complete tasks more quickly and efficiently compared to manual or mechanically-driven machinery. The precise control over movements allows for faster cycle times, reduced idle time, and improved overall productivity on the worksite.
5. Enhanced Digging and Lifting Capabilities:
– Hydraulic cylinders enable excavators to perform digging and lifting operations with enhanced capabilities. The force generated by hydraulic cylinders allows excavators to dig deeper and lift heavier loads compared to other types of machinery. This increased digging and lifting capacity contributes to the efficiency of excavators by reducing the number of passes required to complete a task and improving overall productivity.
6. Durability and Reliability:
– Hydraulic cylinders are designed to withstand heavy loads, challenging operating conditions, and frequent use. They are built with robust materials, such as high-strength steel, and undergo stringent quality control measures during manufacturing. The durability and reliability of hydraulic cylinders ensure that excavators can operate efficiently even in demanding environments, minimizing downtime and maximizing productivity.
7. Energy Efficiency:
– Hydraulic systems, including hydraulic cylinders, are known for their energy efficiency. Hydraulic cylinders can deliver high force outputs while consuming relatively low amounts of hydraulic fluid. This energy efficiency translates to lower fuel consumption and reduced operating costs for excavators. The efficient use of hydraulic power contributes to the overall efficiency and sustainability of heavy machinery operations.
8. Safety:
– Hydraulic cylinders play a vital role in ensuring the safety of excavator operations. They provide controlled and predictable movements, reducing the risk of sudden or uncontrolled motions. The precise control offered by hydraulic cylinders allows operators to perform tasks safely and accurately, minimizing the chances of accidents or damage to the machinery or surrounding environment.
Overall, hydraulic cylinders are essential components that significantly contribute to the efficiency of heavy machinery like excavators. By providing force, precise control, versatility, increased productivity, enhanced capabilities, durability, energy efficiency, and safety, hydraulic cylinders enable excavators to perform a wide range of tasks efficiently and effectively in various industries, including construction, mining, and landscaping.
editor by Dream 2024-11-07