Описание продукта
Company Profile
ZheJiang CHINAMFG Hydraulic Co., Ltd. (Stock Code: 83 0571 ), founded in June 2004, is a domestic medium and high pressure hydraulic cylinder supplier integrating R&D, production, sales and service. Its main products include 3 series of hydraulic cylinders for dump trucks, hydraulic cylinders for mechanical equipment and hydropneumatic springs.
The company’s management team and main technical personnel are stable. We has constantly innovated from the actual needs of customers, has gradually positioned the medium and high-end market, and has provided high-quality products for customers in automobile, coal mine, petroleum, engineering machinery and other industries with high-quality service.
Product Description and Specification
The product range covers 6 tons to 50 tons excavator cylinder, cylinder diameter range is φ 85 – φ 190mm, length is 3000mm. Piston rod diameter range is φ 45 – φ 135mm, length is 3000mm. Products can be customized according to customer requiremens.
Our product advantage lies in:
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.
To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
| Item | Value |
| Product Name | Hydraulic cylinder for excavator |
| Outer Tube Diameter | 135mm |
| Inner Tube Diameter | 110mm |
| Rod Diameter | 95mm |
| Maximum Stroke | 1538mm |
| Weight | 50kg |
| Warranty | 14 Months |
| Working Pressure | 22~27.5 Mpa |
| Place of Origin | ZheJiang ,China |
| Color | Customer’s requirement |
Medium pressure cylinder
It is mainly small excavator cylinder, suitable for pressure of 27.5 Mpa , working environment temperature – 20°C~ 120°C(cold area temperature is – 40°C ~ 100°C).
| Model | Bore Diameter (mm) | Rod Diameter (mm) | Stroke (mm) | Mounting Distance | Pressure (Mpa) |
| Boom Cylinder | 115~120 | 60~85 | 720~1280 | 1095~1810 | 22~27.5 |
| Arm Cylinder | 95~135 | 60~95 | 880~1538 | 1280~2105 | 22~27.5 |
| Bucket Cylinder | 85~120 | 55~85 | 600~1341 | 925~1640 | 22~27.5 |
| Bulldozer Cylinder | 110 | 60~70 | 194 | 536 | 22~27.5 |
High pressure cylinder
It is mainly medium and large excavation cylinder, with applicable pressure of 34.3mpa, working temperature of – 20 °C ~ 120 °C ( cold area is – 40 °C ~ 100 °C).
| Model | Bore Diameter (mm) | Rod Diameter (mm) | Stroke (mm) | Mounting Distance | Pressure (Mpa) |
| Boom Cylinder | 120~170 | 85~130 | 1280~1610 | 1810~2290 | 30~35 |
| Arm Cylinder | 135~190 | 95~135 | 1538~1980 | 2105~2780 | 30~35 |
| Bucket Cylinder | 120~170 | 80~135 | 1050~1341 | 1640~2041 | 30~35 |
Quality Guarantee System
1. Trial Operation Test
2. Start-up Pressure Test
3. Pressure-Tight Test
4. Leak Test
5. Full Stroke Test
6. Buffer Test
7. Testing the Effect of Limit
8. Load Efficiency Test
9. Reliability Test
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.
Machining Equipment
Our company have 700 sets manufacturing equipment, such as cold drawing production line, heat treatment production line, surface treatment production line, testing equipment, various digital-control machining equipment, gantry style linear electroplating production line.
Certificate And Our Customers
Domestic Marketing Locations
The company’s products are widely sold in ZheJiang , ZheJiang , ZheJiang , ZheJiang , ZheJiang , ZheJiang , ZheJiang , ZheJiang , ZheJiang and other more than 20 provinces, municipalities and autonomous regions.
Foreign Marketing Locations
Our products are exported to the United States, Canada, Mexico, Russia, South Africa, Indonesia and other Europe, America, South America, Southeast Asia.
After Service
1.Pre-sale service: Keep communicating with the truck manufacturers , including selection of product model , design of hydraulic system, test of performance and analysis of the accident. Once the problems occur, we will solve them immediately together with truck manufacturers.
2.The sale service: Provide training and technical support for users.
3.After-sale service: Solve the problem firstly, then analyse responsibility ; Replace the system components immediately if any need.
4.24 hours telephone service hotline.
FAQ
Q1:What’s the brand name of your products ?
A:Generally, we use our own brand “WTJX”, OEM is also available as required.
Q2:Hydraulic cylinder internal leakage?
A: There are 3 main reasons causing internal leakage : Overload, polishing is not well controlled, bad seal kits. As is known to all, vehicles in China are often overload,our products all designed to bear the overload power. We have numerical control machine to assure the polish processing. And we use the imported seals to meet customers’ demands.
Q3:Does your piston rod get ruptured easily?
A: Hard chrome plating quenched and tempered 45# steel for piston rod to assure sufficient hardness and toughness.
Q4:What about the quality feedback of your products?
A: Guarantee the quality from the raw material. We have cold drawing production line and nickel-chrome electroplating production line, so we can produce cold-drawing pipe and hard-chrome pipe used for hydraulic cylinder!
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Можно ли интегрировать гидравлические цилиндры с современными системами управления и автоматизации?
Да, гидроцилиндры можно интегрировать с современными системами управления и технологиями автоматизации для повышения их функциональности, точности и общей производительности. Интеграция гидроцилиндров с современными системами управления обеспечивает более точное и точное управление их работой, обеспечивая автоматизацию и интеллектуальное управление. Ниже приведено подробное объяснение того, как гидроцилиндры можно интегрировать с современными системами управления и автоматизации:
1. Электронное управление:
– Гидравлические цилиндры могут быть оснащены электронными датчиками и преобразователями для обеспечения обратной связи в режиме реального времени о положении, усилии, давлении или скорости. Эти датчики могут быть интегрированы с передовыми системами управления, такими как программируемые логические контроллеры (ПЛК) или распределенные системы управления (РСУ), для контроля и управления работой гидроцилиндров. Интеграция электронного управления позволяет точно контролировать и регулировать положение, скорость и усилие гидроцилиндров, обеспечивая более точное и автоматизированное управление.
2. Замкнутый контур управления:
– Системы управления с обратной связью используют обратную связь от датчиков для непрерывного контроля и регулировки работы гидроцилиндров. Интеграция гидроцилиндров с системами управления с обратной связью позволяет добиться точного управления положением, скоростью и усилием. Управление с обратной связью позволяет системе автоматически компенсировать колебания, внешние возмущения или изменения рабочих условий, обеспечивая точную и стабильную работу. Такая интеграция особенно полезна в приложениях, требующих точного позиционирования, синхронизации или управления усилием.
3. Пропорциональное и сервоуправление:
– Гидравлические цилиндры могут быть интегрированы с системами пропорционального и сервоуправления для более точного управления их работой. Системы пропорционального управления используют пропорциональные клапаны для регулирования расхода и давления гидравлической жидкости, что позволяет точно регулировать скорость и усилие цилиндра. Системы сервоуправления, в свою очередь, сочетают в себе датчики обратной связи, высокопроизводительные клапаны и передовые алгоритмы управления для достижения исключительно точного управления гидроцилиндрами. Интеграция пропорционального и сервоуправления повышает отзывчивость, точность и динамические характеристики гидроцилиндров.
4. Человеко-машинный интерфейс (HMI):
– Гидравлические цилиндры, интегрированные с передовыми системами управления, можно эксплуатировать и контролировать с помощью устройств человеко-машинного интерфейса (ЧМИ). ЧМИ предоставляет графический пользовательский интерфейс, позволяющий операторам взаимодействовать с системой управления, контролировать работу цилиндров и регулировать параметры. ЧМИ позволяет операторам задавать требуемые положения, усилия или скорости, а также визуализировать обратную связь с датчиков в режиме реального времени. Такая интеграция упрощает эксплуатацию и мониторинг гидроцилиндров, делая их более удобными для пользователя и способствуя бесшовной интеграции в автоматизированные системы.
5. Коммуникации и сетевое взаимодействие:
– Гидравлические цилиндры могут быть интегрированы в коммуникационные и сетевые системы, что позволяет им стать частью более крупной автоматизированной системы. Интеграция с промышленными протоколами связи, такими как Ethernet/IP, Profibus или Modbus, обеспечивает бесперебойный обмен информацией между гидроцилиндрами и другими компонентами системы. Такая интеграция обеспечивает централизованное управление, регистрацию данных, удаленный мониторинг и координацию с другими автоматизированными процессами. Интеграция с коммуникационными и сетевыми технологиями повышает общую эффективность, координацию и интеграцию гидроцилиндров в сложные системы автоматизации.
6. Автоматизация и последовательное управление:
– Интеграция гидроцилиндров с передовыми системами управления позволяет легко интегрировать их в автоматизированные процессы и операции последовательного управления. Система управления может выполнять заданные последовательности или запрограммированную логику для управления работой гидроцилиндров в зависимости от конкретных условий, входных сигналов или времени. Такая интеграция позволяет автоматизировать сложные задачи, такие как погрузка-разгрузка материалов, сборочные операции или повторяющиеся движения. Гидроцилиндры можно синхронизировать с другими приводами, датчиками и устройствами, что обеспечивает скоординированную и автоматизированную работу в различных промышленных условиях.
7. Прогностическое обслуживание и мониторинг состояния:
– Современные системы управления также позволяют проводить предиктивное обслуживание и мониторинг состояния гидроцилиндров. Благодаря интеграции датчиков и функций мониторинга система управления может непрерывно отслеживать производительность, исправность и состояние гидроцилиндров. Такая интеграция позволяет выявлять неисправности, износ и потенциальные отказы в режиме реального времени. На основе собранных данных можно реализовать стратегии предиктивного обслуживания, оптимизируя графики технического обслуживания, сокращая время простоя и повышая общую надежность гидравлических систем.
Таким образом, гидроцилиндры могут быть интегрированы с передовыми системами управления и технологиями автоматизации для повышения их функциональности, точности и производительности. Такая интеграция обеспечивает электронное управление, управление с обратной связью, пропорциональное и сервоуправление, взаимодействие с человеко-машинным интерфейсом (ЧМИ), коммуникацию и сетевое взаимодействие, автоматизацию и последовательное управление, а также предиктивное техническое обслуживание и мониторинг состояния. Такая интеграция обеспечивает более точное управление, автоматизацию, повышение эффективности и оптимизацию производительности гидроцилиндров в различных промышленных приложениях.
How do hydraulic cylinders contribute to the efficiency of agricultural tasks like plowing?
Hydraulic cylinders play a crucial role in improving the efficiency of agricultural tasks, including plowing. These cylinders provide several benefits that enhance the performance and productivity of agricultural machinery. Let’s explore how hydraulic cylinders contribute to the efficiency of plowing and other agricultural tasks:
- Powerful Force Generation: Hydraulic cylinders are capable of generating high forces, which is essential for tasks like plowing. The hydraulic system supplies pressurized fluid to the cylinders, converting hydraulic energy into mechanical force. This force is then utilized to drive plow blades through the soil, overcoming resistance and facilitating efficient soil penetration. The power generated by hydraulic cylinders ensures effective plowing, even in tough or compacted soil conditions.
- Adjustable Working Depth: Hydraulic cylinders allow for easy and precise adjustment of the plow’s working depth. By controlling the extension or retraction of the hydraulic cylinder, farmers can adjust the depth of the plow blades according to soil conditions, crop requirements, or their specific preferences. This adjustability enhances efficiency by ensuring optimal soil tillage and minimizing unnecessary energy expenditure. Farmers can adapt the plowing depth to different field areas, optimizing the use of resources and promoting uniform crop growth.
- Responsive Control: Hydraulic systems offer highly responsive control, enabling farmers to make quick adjustments during plowing operations. Hydraulic cylinders respond rapidly to changes in hydraulic pressure and valve settings, allowing for immediate modifications in the plow’s position, depth, or angle. This responsiveness enhances efficiency by facilitating on-the-go adjustments based on soil variations, obstacles, or changing field conditions. Farmers can maintain precise control over the plow’s performance, ensuring effective soil tillage and minimizing the risk of crop damage.
- Implement Versatility: Hydraulic cylinders enable the attachment of various implements to agricultural machinery, expanding their functionality and versatility. In the context of plowing, hydraulic cylinders allow for the attachment and detachment of plow blades or other tillage implements. This versatility enables farmers to adapt their equipment to different soil types, field sizes, or specific plowing requirements. By using hydraulic cylinders, farmers can easily switch between different implements, optimizing their equipment for specific tasks and maximizing efficiency.
- Efficient Time Management: Hydraulic cylinders contribute to time efficiency in agricultural tasks like plowing. With hydraulic systems, farmers can operate plows at higher speeds while maintaining control and precision. The responsive nature of hydraulic cylinders allows for efficient turning, maneuvering, and repositioning of plows, minimizing downtime and optimizing field coverage. This time efficiency translates into increased productivity and reduced overall operational costs. Farmers can accomplish plowing tasks more quickly, allowing them to cover larger field areas in less time.
In summary, hydraulic cylinders significantly contribute to the efficiency of agricultural tasks like plowing. Through powerful force generation, adjustable working depth, responsive control, implement versatility, and efficient time management, hydraulic systems equipped with cylinders enhance the performance and productivity of agricultural machinery. These contributions allow farmers to accomplish plowing tasks more effectively, optimize field operations, and achieve improved overall efficiency in their agricultural practices.
How do hydraulic cylinders ensure precise and controlled movement in equipment?
Hydraulic cylinders are widely used in various equipment and machinery to provide precise and controlled movement. They utilize hydraulic fluid and mechanical components to achieve accurate positioning, smooth operation, and reliable control. Here’s a detailed explanation of how hydraulic cylinders ensure precise and controlled movement in equipment:
1. Hydraulic Principle:
– Hydraulic cylinders operate based on Pascal’s law, which states that pressure exerted on a fluid is transmitted equally in all directions. The hydraulic fluid is contained within the cylinder, and when pressure is applied, it acts on the piston, generating force. By controlling the pressure and flow of hydraulic fluid, the movement of the cylinder can be precisely regulated, allowing for accurate and controlled motion.
2. Force and Load Management:
– Hydraulic cylinders are designed to handle specific loads and forces. The force generated by the hydraulic cylinder depends on the hydraulic pressure and the surface area of the piston. By adjusting the pressure, the force output can be controlled. This allows for precise management of the load and ensures that the cylinder can handle the required force without exerting excessive or insufficient force. Proper load management contributes to the precise and controlled movement of the equipment.
3. Control Valves:
– Control valves play a crucial role in regulating the flow and direction of hydraulic fluid within the cylinder. These valves allow operators to control the extension and retraction of the cylinder, adjust the speed of movement, and stop or hold the cylinder at any desired position. By manipulating the control valves, precise and controlled movement can be achieved, enabling operators to position equipment accurately and perform specific tasks with precision.
4. Flow Control:
– Hydraulic cylinders incorporate flow control valves to manage the rate of hydraulic fluid flow. These valves control the speed of the cylinder’s extension and retraction, allowing for smooth and controlled movement. By adjusting the flow rate, operators can precisely control the speed of the cylinder, ensuring that it moves at the desired rate without sudden or erratic movements. Flow control contributes to the overall precision and control of the equipment’s movement.
5. Position Sensing:
– To ensure precise movement, hydraulic cylinders can be equipped with position sensing devices such as linear transducers or proximity sensors. These sensors provide feedback on the position of the cylinder, allowing for accurate position control and closed-loop control systems. By continuously monitoring the position, the equipment’s movement can be controlled with high accuracy, enabling precise positioning and operation.
6. Proportional Control:
– Advanced hydraulic systems utilize proportional control technology, which allows for precise and fine-tuned control of the hydraulic cylinder’s movement. Proportional valves, often operated by electronic control systems, provide variable flow rates and pressure adjustments. This technology enables precise control of speed, force, and position, resulting in highly accurate and controlled movement of the equipment.
7. Cushioning and Damping:
– Hydraulic cylinders can incorporate cushioning and damping mechanisms to ensure smooth and controlled movement at the end of the stroke. Cushioning features, such as adjustable cushions or shock absorbers, reduce the impact and decelerate the cylinder before reaching the end of the stroke. This prevents abrupt stops and minimizes vibrations, contributing to precise and controlled movement.
8. Load Compensation:
– Some hydraulic systems utilize load compensation mechanisms to maintain precise movement even when the load varies. Load-sensing systems monitor the load demand and adjust the hydraulic pressure and flow accordingly to meet that demand. This compensation ensures that the equipment’s movement remains accurate and controlled, regardless of changes in the applied load.
In summary, hydraulic cylinders ensure precise and controlled movement in equipment through the application of hydraulic principles, force and load management, control valves, flow control, position sensing, proportional control, cushioning and damping mechanisms, and load compensation. These features and technologies allow operators to achieve accurate positioning, smooth operation, and reliable control, enabling equipment to perform tasks with precision and efficiency. The combination of hydraulic power and careful design considerations ensures that hydraulic cylinders deliver precise and controlled movement in a wide range of industrial applications.
editor by Dream 2024-12-02