Deskripsi Produk
About us:
Our factory is located in HangZhou city ZheJiang Province, near HangZhou Port, is a professional manufacturer and supplier of all kinds of hydraulic oil cylinders for many industry field like Walking machinery,Agricultural machinery, Industrial engineering, Oceanographic engineering,Energy science and technology, Oil and gas exploitation,Drilling and production equipment,Equipment for increasing production,New energy sources,Water conservancy industry,Wind power generation,Solar power,Ocean energy power generation,Seawater desalination,Tunnel engineering ETC.
Many types of hydraulic oil cylinder can be customized from our factory, we promise they can be satisfied with you with our more than 20 years manufacturing experience!
A: special structural design, use of high strength materials and special heat treatment and welding processes ensure that the cylinder has a very high fatigue life under high pressure and heavy load.
B: the front and rear suspension cylinders can be analyzed and calculated according to the parameters provided by customers, and the stiffness and damping curves of customer requirements can be designed.
C: the surface of the piston rod adopts special surface treatment to ensure the excellent wear resistance and corrosion resistance of the piston rod.
D: select the heavy-duty sealing ring to meet the poor working conditions in the mining area and ensure the excellent dustproof and sealing performance of the cylinder.
E: choose the integral guide ring with wide series and high bearing capacity, which has strong resistance to lateral force.
F: the buffer structure can be designed inside the lifting cylinder to avoid too much impact in the process of lifting and lowering.
G: the steering cylinder can have built-in displacement sensor to monitor the cylinder stroke in real time.
H: the piston accumulator adopts double piston design, which is divided into high and low pressure chambers to meet the needs of various road conditions.
I: reliable sealing structure design of piston accumulator to ensure the separation of oil and gas.
Front end telescopic cylinder scope | ||||
Bore size | 90mm-220mm | |||
Stage | 2-6 stages | |||
Stroke | Maximum 12000mm(450″) | |||
Working pressure | Maximum 210bar(3000PSI) | |||
Mounting style | CC, DC, DB | |||
Painting | Follow customers’ requirement | |||
Materials and technology | ||||
Barrel/Tube | 1. Material: SAE1571(20#) , SAE1045(45#) ,16Mn(Q345B),27SiMn,etc. 2. Technology: cold drawn ,hot rolled,forged 3. Surface Roughness: R0.16-0.32μm 4. Choose by different working condition and requirements. | |||
Piston rod | 1. Material: SAE1045(45#),35CrMo,42CrMo4,etc. 3. Surface treatment: chrome plated, nickel-chromium plated, nitriding, nitrocarburizing | |||
Seal kits | 1. Hallite, NOK, Parker, Hercules,Trelleborg,China made,ZheJiang made 2. Choose by different working condition and requirements. | |||
Company Profile
JUNRUI specialize in the production and R&D of Dump Truck&Trailer Telescopic Hydraulic Cylinder, Dump Truck Hydraulic System,Agricultural Machinery Hydraulic Cylinder, Garbage Truck Hydraulic Cylinder, Tipping Platform Hydraulic Cylinder,
Snow Plow Hydraulic Cylinder and so on.
Over the years development,our products have been exported to America, Australia, Russia, Canada, Mexico,Colombia,
Netherlands etc and have been widely praised by the customers from home and abroad.
We are committed to providing customers with high quality and reasonable price products.
All Junrui products are designed,engineered and manufactured by highly skilled and experienced engineers,
All the products do QC 3 times before delivery to make sure the quality.
We are committed to providing customers with high quality and reasonable price products. All Junrui products are designed,
engineered and manufactured by highly skilled and experienced engineers, All the products do QC 3 times before delivery to
make sure the quality. The company has imported CNC deep hole boring machines, CNC laser cutting machines, CNC machining
centers, CNC cleaning machines, automatic assembly lines for hydraulic cylinders, robot welding stations, automatic welding
machines and other precision processing equipment, over 200 sets. After years of development, JUNRUI Hydraulic has developed
into an enterprise with complete hardware facilities, sophisticated processing equipment, strong technical force, and good social
benefits. For the stable development of your main business, we look CHINAMFG to cooperating with you.
PRODUCTION PROCESS
Equipment
Packaging & Shipping
Certifications
Exhibition
Application
Q1: Are you a trading company or a manufacturer?
A: We have our own factory.
Q2: Are you able to make Non-standard or customized products?
A: Yes, we can.
Q3: How long is your delivery time?
A: Normally, the delivery time is 7 days if we have stock, 15-30 working days if we don’t. but it also depends on the product
requirements and quantity.
Q4: Do you provide samples? are the samples free or not?
A: Yes, we can provide samples.
Q5: What are your payment terms?
A: 30% deposit T/T or Irrevocable L/C at sight, If you have any questions, please feel free to contact us.
Q6: What are your After-sales services?
A: Before shipment, Each individual product will be strictly inspected on our factory QC Process System. In addition, We have a
Customer Service team to respond to customers’ questions within 12 hours. Being helpful in solving customers’ problems is always
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| Certification: | GS, CE, ISO9001 |
|---|---|
| Pressure: | Medium Pressure |
| Work Temperature: | Normal Temperature |
| Acting Way: | Single Acting |
| Working Method: | Straight Trip |
| Adjusted Form: | Regulated Type |
| Samples: | US$ 500/Piece 1 Piece(Min.Order) | |
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| Customization: | Available |
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Are there any emerging trends in hydraulic cylinder technology, such as smart features?
Yes, there are several emerging trends in hydraulic cylinder technology, including the integration of smart features. As industries continue to adopt advanced technologies and seek greater efficiency, hydraulic cylinders are being equipped with innovative capabilities to enhance their performance and provide additional benefits. Here are some of the emerging trends in hydraulic cylinder technology:
1. Sensor Integration:
– One of the significant trends in hydraulic cylinder technology is the integration of sensors. Sensors can be embedded within the hydraulic cylinder to monitor various parameters such as pressure, temperature, position, and load. These sensors provide real-time data, allowing for condition monitoring, predictive maintenance, and improved operational control. By collecting and analyzing data, operators can optimize the performance of hydraulic systems, detect potential issues in advance, and prevent failures, resulting in increased reliability and reduced downtime.
2. Connectivity and IoT:
– Hydraulic cylinders are being integrated into the Internet of Things (IoT) ecosystem, enabling connectivity and data exchange. By connecting hydraulic cylinders to a network, operators can remotely monitor and control their performance. IoT-enabled hydraulic cylinders facilitate features such as remote diagnostics, performance optimization, and predictive maintenance. The connectivity aspect allows for better integration with overall equipment systems and enables data-driven decision-making for improved efficiency and productivity.
3. Energy-Efficient Designs:
– With the increasing focus on sustainability and energy efficiency, hydraulic cylinder technology is evolving to incorporate energy-saving features. Manufacturers are developing hydraulic cylinders with improved sealing technologies, reduced friction, and optimized fluid flow dynamics. These advancements minimize energy losses and increase overall system efficiency. Energy-efficient hydraulic cylinders contribute to reduced power consumption, lower operating costs, and a smaller environmental footprint.
4. Advanced Materials and Coatings:
– The use of advanced materials and coatings is another emerging trend in hydraulic cylinder technology. Manufacturers are exploring lightweight materials, such as composites and alloys, to reduce the overall weight of hydraulic cylinders without compromising strength and durability. Furthermore, specialized coatings and surface treatments are being applied to improve corrosion resistance, wear resistance, and lifespan. These advancements enhance the longevity and reliability of hydraulic cylinders, particularly in demanding environments.
5. Intelligent Control Systems:
– Hydraulic cylinder technology is embracing intelligent control systems that optimize performance and enable advanced functionalities. These systems utilize algorithms, machine learning, and artificial intelligence to automate processes, adapt to changing conditions, and optimize hydraulic cylinder movements. Intelligent control systems can adjust parameters in real-time, ensuring precise and efficient operation. This trend allows for increased automation, improved productivity, and enhanced safety in hydraulic system applications.
6. Predictive Maintenance:
– Predictive maintenance is gaining prominence in hydraulic cylinder technology. By utilizing data collected from sensors and monitoring systems, predictive maintenance algorithms can analyze the condition and performance of hydraulic cylinders. This analysis helps to identify potential failures or degradation in advance, enabling proactive maintenance actions. Predictive maintenance reduces unplanned downtime, extends the lifespan of hydraulic cylinders, and optimizes maintenance schedules, resulting in cost savings and improved equipment availability.
7. Enhanced Safety Features:
– Hydraulic cylinder technology is incorporating enhanced safety features to improve operator and equipment safety. These features include integrated safety valves, load monitoring systems, and emergency stop functionalities. Safety systems in hydraulic cylinders help prevent accidents, protect against overloads, and ensure reliable operation. The integration of advanced safety features contributes to safer working environments and compliance with stringent safety regulations.
These emerging trends in hydraulic cylinder technology demonstrate the industry’s focus on innovation, performance optimization, and sustainability. The integration of smart features, connectivity, advanced materials, and predictive maintenance capabilities enables hydraulic cylinders to operate more efficiently, provide real-time insights, and enhance overall system performance. As technology continues to advance, hydraulic cylinder technology is expected to evolve further, offering increased functionality and efficiency for various industries and applications.

Handling the Challenges of Minimizing Fluid Leaks and Contamination in Hydraulic Cylinders
Hydraulic cylinders face challenges when it comes to minimizing fluid leaks and contamination, as these issues can impact the performance, reliability, and lifespan of the system. However, there are several measures and design considerations that help address these challenges effectively. Let’s explore how hydraulic cylinders handle the challenges of minimizing fluid leaks and contamination:
- Sealing Systems: Hydraulic cylinders employ advanced sealing systems to prevent fluid leaks. These systems typically include various types of seals, such as piston seals, rod seals, and wiper seals. The seals are designed to create a tight and reliable barrier between the moving components of the cylinder and the external environment, minimizing the risk of fluid leakage.
- Seal Material Selection: The choice of seal materials is crucial in minimizing fluid leaks and contamination. Hydraulic cylinder manufacturers carefully select seal materials that are compatible with the hydraulic fluid used and resistant to wear, abrasion, and chemical degradation. This ensures the longevity and effectiveness of the seals, reducing the likelihood of leaks or premature seal failure.
- Proper Installation and Maintenance: Ensuring proper installation and regular maintenance of hydraulic cylinders is essential for minimizing fluid leaks and contamination. During installation, attention should be given to proper alignment, torqueing of bolts, and adherence to recommended procedures. Regular maintenance includes inspecting seals, replacing worn-out components, and addressing any signs of leakage promptly. Proper maintenance practices help identify and rectify issues before they escalate and cause significant problems.
- Contamination Control: Hydraulic cylinders incorporate measures to control contamination and maintain fluid cleanliness. This includes the use of filtration systems, such as in-line filters, to remove particles and contaminants from the hydraulic fluid. Additionally, hydraulic reservoirs often have breathers and desiccant filters to prevent moisture and airborne contaminants from entering the system. By controlling contamination, hydraulic cylinders minimize the risk of damage to internal components and maintain optimal system performance.
- Environmental Protection: Hydraulic cylinders may be equipped with protective features to safeguard against external contaminants. For example, bellows or protective boots can be installed to shield the rod and seals from debris, dirt, or moisture present in the operating environment. These protective measures help extend the life of the seals and enhance the overall reliability of the hydraulic cylinder.
In summary, hydraulic cylinders employ sealing systems, appropriate seal materials, proper installation and maintenance practices, contamination control measures, and environmental protection features to handle the challenges of minimizing fluid leaks and contamination. By implementing these measures, manufacturers can ensure reliable and long-lasting hydraulic cylinder performance, minimize the risk of fluid leakage, and maintain the cleanliness of the hydraulic system.

Bagaimana silinder hidrolik mengakomodasi variasi panjang langkah dan kebutuhan gaya?
Silinder hidrolik dirancang untuk mengakomodasi variasi panjang langkah dan kebutuhan gaya, memberikan fleksibilitas dan kemampuan adaptasi untuk berbagai aplikasi. Silinder ini dapat disesuaikan untuk memenuhi kebutuhan spesifik dengan mempertimbangkan faktor-faktor seperti diameter piston, diameter batang, tekanan hidrolik, dan desain silinder. Berikut penjelasan rinci tentang bagaimana silinder hidrolik mengakomodasi variasi panjang langkah dan kebutuhan gaya:
1. Ukuran dan Desain Silinder:
– Silinder hidrolik hadir dalam berbagai ukuran dan desain untuk mengakomodasi panjang langkah dan kebutuhan gaya yang berbeda. Diameter silinder, luas piston, dan diameter batang merupakan faktor kunci yang menentukan keluaran gaya. Diameter silinder dan luas piston yang lebih besar dapat menghasilkan gaya yang lebih besar, sedangkan diameter yang lebih kecil cocok untuk aplikasi yang membutuhkan gaya yang lebih rendah. Dengan memilih ukuran dan desain silinder yang tepat, panjang langkah dan kebutuhan gaya dapat diakomodasi secara efektif.
2. Konfigurasi Piston dan Batang Penghubung:
– Silinder hidrolik dapat dirancang dengan konfigurasi piston dan batang yang berbeda untuk mengakomodasi variasi panjang langkah. Silinder kerja tunggal memiliki satu piston dan dapat memberikan langkah dalam satu arah. Silinder kerja ganda memiliki piston di kedua sisi, memungkinkan langkah dalam kedua arah. Silinder teleskopik terdiri dari beberapa tahap yang dapat memanjang dan memendek, memberikan panjang langkah yang lebih panjang dibandingkan dengan silinder standar. Dengan memilih konfigurasi piston dan batang yang sesuai, panjang langkah yang diinginkan dapat dicapai.
3. Tekanan dan Aliran Hidraulik:
– Tekanan hidrolik dan laju aliran yang disuplai ke silinder memainkan peran penting dalam mengakomodasi variasi kebutuhan gaya. Meningkatkan tekanan hidrolik akan meningkatkan keluaran gaya silinder, sehingga mampu menangani kebutuhan gaya yang lebih tinggi. Dengan menyesuaikan tekanan dan laju aliran melalui katup dan pompa hidrolik, keluaran gaya dapat dikontrol dan disesuaikan dengan kebutuhan spesifik aplikasi.
4. Kustomisasi dan Penyesuaian:
– Silinder hidrolik dapat dikustomisasi dan dirancang untuk memenuhi kebutuhan panjang langkah dan gaya tertentu. Produsen menawarkan berbagai ukuran silinder, panjang langkah, dan kapasitas gaya untuk dipilih. Selain itu, silinder yang dirancang khusus dapat diproduksi untuk memenuhi aplikasi unik dengan kebutuhan panjang langkah dan gaya tertentu. Dengan bekerja sama erat dengan produsen silinder hidrolik, dimungkinkan untuk mendapatkan silinder yang sesuai dengan panjang langkah dan kebutuhan gaya yang diperlukan.
5. Beberapa Silinder dan Sinkronisasi:
– Dalam aplikasi yang membutuhkan gaya tinggi atau panjang langkah yang lebih panjang, beberapa silinder hidrolik dapat digunakan secara kombinasi. Dengan menyinkronkan pergerakan beberapa silinder melalui sistem hidrolik, panjang langkah dan keluaran gaya dapat ditingkatkan secara efektif. Sinkronisasi dapat dicapai menggunakan penghubung mekanis, kontrol elektronik, atau rangkaian hidrolik, yang memastikan pergerakan dan distribusi gaya yang terkoordinasi di seluruh silinder.
6. Pengukuran Beban dan Kontrol Tekanan:
– Sistem hidrolik dapat menggabungkan mekanisme penginderaan beban dan kontrol tekanan untuk mengakomodasi variasi kebutuhan gaya. Sistem penginderaan beban memantau permintaan beban dan menyesuaikan tekanan hidrolik sesuai kebutuhan, memastikan bahwa silinder memberikan gaya yang dibutuhkan tanpa memberikan gaya yang berlebihan. Katup kontrol tekanan mengatur tekanan di dalam sistem hidrolik, memungkinkan kontrol dan penyesuaian keluaran gaya yang tepat berdasarkan kebutuhan aplikasi.
7. Pertimbangan Keselamatan:
– Saat mengakomodasi variasi panjang langkah dan kebutuhan gaya, faktor keamanan sangat penting untuk dipertimbangkan. Silinder hidrolik harus dipilih dan dirancang dengan margin keamanan yang sesuai untuk menangani beban tak terduga atau variasi kondisi operasi. Mekanisme keselamatan seperti katup pelindung beban berlebih dan katup pelepas tekanan dapat diintegrasikan untuk mencegah kerusakan atau kegagalan dalam situasi di mana batas gaya terlampaui.
Dengan mempertimbangkan faktor-faktor seperti ukuran dan desain silinder, konfigurasi piston dan batang, tekanan dan aliran hidrolik, opsi kustomisasi, sinkronisasi, penginderaan beban, kontrol tekanan, dan pertimbangan keselamatan, silinder hidrolik dapat secara efektif mengakomodasi variasi panjang langkah dan persyaratan gaya. Fleksibilitas ini memungkinkan silinder hidrolik untuk disesuaikan guna memenuhi tuntutan spesifik dari berbagai aplikasi, memastikan kinerja dan efisiensi yang optimal.


editor by Dream 2024-04-19