Descrizione del prodotto
Xihu (West Lake) Dis.ng Brand Custom hydraulic cylinder for truck mounted crane
Part 1—–PRODUCT DETAILS
A.Product Description:
1. With Rolling technology, the cylinder is straighter, the surface is harder and its quality is more durable.
2. All piston rod have to go through comprehensive processing: Heat treating Lathing GrindingPolishingHard chrome plating Polishing, this comprehensive processing make the cylinder harder, wearable and acid-proof.
3. Using imported materials for seal kits.
4. The structure kits are made by high-strength Manganese plate
5. Advanced surface treatment:
A. Environmental automatically pipelined painting
B. Cleaning with automatic washing machine
C. Assembling in seal clean workshop
B. Other information:
| Articolo | Specifiche |
| Product Name: | China Factory Customized Truck mounted crane Hydraulic Cylinder |
| Certificate: | ISO16949 |
| Production Capacity: | 200,000 pcs per year |
| Sample Time: | 7-15 days |
| Marca | Xihu (West Lake) Dis.ng or customer’s logo |
| Servizio | OEM e ODM |
| Piston Rod | Chrome or nickel plated,ground & polished piston rod |
| Tipo di sigillo | as customer’s requirement |
| Tube | Tubo trafilato a freddo ad alta resistenza, levigato con precisione per una maggiore durata della guarnizione. |
| Delivery Time | Based on order quantity. normally 15-30 days. |
| Vantaggio di prezzo | Prezzo di fabbrica competitivo con qualità garantita. |
| Tipo di attività | Manufacturer & Exporter |
Part 2——-Application:
Hydraulic Cylinder Prodotto Application
Xihu (West Lake) Dis.ng’s quality custom products are produced for OEM applications in a wide variety of CHINAMFG industries, including manufacturing engineering machinery, loaders hydraulic cylinders, vehicle cylinders, construction, forestry, waste management, mining, material handling, industrial applications, agriculture, manufacturing, transportation, marine applications and oil field equipment. Our success has been built on the engineering expertise and manufacturing capabilities we offer to meet the very specific demands of our industry clients.
Part 3——-Why Choose Us
1. Product Research & Development:
Xihu (West Lake) Dis.ng builds quality products that are developed with use in mind. We specialize in working with every customer to share ideas and gather critical information regarding hydraulic cylinder fit and performance requirements for your specific application.
2.Hydraulic Cylinder Production:
We have the advanced CNC machine tools, a horizontal machining center, a welding robot, parts cleaning agent, automatic assembly lines, automatic painting equipment etc. to hydraulic cylinder ensure a 360-degree quality control of the production process.
3.Hydraulic Cylinder Product Certifications:
4.Perfect after-service:
5. Professional Hydraulic Cylinder Team:
Part 4——Company Information:
ZheJiang XIHU (WEST LAKE) DIS.NG TECHNOLOGY CO.,LTD is a famous hydraulic cylinder manufacture in HangZhou city,ZheJiang province of China. The Head office XIHU (WEST LAKE) DIS.NG was founed in 2001,the main products include a variety of special hydraulic cylinder.It has 5 subsidiaries, and ZheJiang Best Crane Co., Ltd. is 1 of them. The companies are interrelated and independently accounted for and operate independently. The company now covers an area of more than 400 acres, with total assets of 500 million yuan, more than 800 employees, more than 700 sets of high-precision equipment, total industrial output value of over 1 billion yuan, and annual taxes of more than 30 million yuan.
After 18 years development,XIHU (WEST LAKE) DIS.NG now covers an area of 200,000 Square meters, ownes a registered capital of 1000 million RMB,and 250 million RMB worth of fixed assets .XIHU (WEST LAKE) DIS.NG has established long time cooperation with over 80 big companies like Zoomlion, Fukuda Fortaleza, CHINAMFG Vehicle Group, and so on.
Our company have more than 800 units equipment for mass production.We can product around 220 thousand units per year of hydraulic cylinder and 500 units per year of truck crane.
Our company have more than 150 technical staff, Have more than 10 invention patents and 60 utility patents.So we can produce customized products or develop new products.
Good quality is our culture.Welcome to visit our company and build up a long friendship with us!
Part 5—–FAQ
1: What kind terms of payment can be accepted?
A: For terms of payment, L/C, T/T, D/A, D/P, Western Union (can be) could accepted
2: How to pack and transport?
A: Nude with safty protection, only crane can be packed into containers for shipment.
And the truck mounted crane can be deliveried with ro-ro ship.
3: How long is the delivery time??
A: 35 days after receiving the deposit.
4: What about the warranty time?
A: 12 months after shipment or 2000 working hours, whichever occuts first.
5. What about the Minimum Order Quantity?
A: 1 unit. For customized products, the MOQ can be Negotiated.
| Certificazione: | ISO9001 |
|---|---|
| Pressione: | High Pressure |
| Temperatura di esercizio: | Low Temperature |
| Modo di agire: | Single Acting |
| Metodo di lavoro: | Rotary |
| Modulo modificato: | Switching Type |
| Personalizzazione: | Disponibile |
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How do hydraulic cylinders handle the challenges of precise positioning and control?
Hydraulic cylinders are designed to handle the challenges of precise positioning and control with a combination of engineering principles and advanced control systems. These challenges often arise in applications where accurate and controlled movements are required, such as in industrial automation, construction, and material handling. Here’s a detailed explanation of how hydraulic cylinders overcome these challenges:
1. Fluid Power Control:
– Hydraulic cylinders utilize fluid power control to achieve precise positioning and control. The hydraulic system consists of a hydraulic pump, control valves, and hydraulic fluid. By regulating the flow of hydraulic fluid into and out of the cylinder, operators can control the speed, direction, and force exerted by the cylinder. The fluid power control allows for smooth and accurate movements, enabling precise positioning of the hydraulic cylinder and the attached load.
2. Control Valves:
– Control valves play a crucial role in handling the challenges of precise positioning and control. These valves are responsible for directing the flow of hydraulic fluid within the system. They can be manually operated or electronically controlled. Control valves allow operators to adjust the flow rate of the hydraulic fluid, controlling the speed of the cylinder’s movement. By modulating the flow, operators can achieve fine control over the positioning of the hydraulic cylinder, enabling precise and accurate movements.
3. Proportional Control:
– Hydraulic cylinders can be equipped with proportional control systems, which offer enhanced precision in positioning and control. Proportional control systems utilize electronic feedback and control algorithms to precisely regulate the flow and pressure of the hydraulic fluid. These systems provide accurate and proportional control over the movement of the hydraulic cylinder, allowing for precise positioning at various points along its stroke length. Proportional control enhances the cylinder’s ability to handle complex tasks that require precise movements and control.
4. Position Feedback Sensors:
– To achieve precise positioning, hydraulic cylinders often incorporate position feedback sensors. These sensors provide real-time information about the position of the cylinder’s piston rod. Common types of position feedback sensors include potentiometers, linear variable differential transformers (LVDTs), and magnetostrictive sensors. By continuously monitoring the position, the feedback sensors enable closed-loop control, allowing for accurate positioning and control of the hydraulic cylinder. The feedback information is used to adjust the flow of hydraulic fluid to achieve the desired position accurately.
5. Servo Control Systems:
– Advanced hydraulic systems employ servo control systems to handle the challenges of precise positioning and control. Servo control systems combine electronic control, position feedback sensors, and proportional control valves to achieve high levels of accuracy and responsiveness. The servo control system continuously compares the desired position with the actual position of the hydraulic cylinder and adjusts the flow of hydraulic fluid to minimize any positional error. This closed-loop control mechanism enables the hydraulic cylinder to maintain precise positioning and control, even under varying loads or external disturbances.
6. Integrated Automation:
– Hydraulic cylinders can be integrated into automated systems to achieve precise positioning and control. In such setups, the hydraulic cylinders are controlled by programmable logic controllers (PLCs) or other automation controllers. These controllers receive input signals from various sensors and use pre-programmed logic to command the hydraulic cylinder’s movements. The integration of hydraulic cylinders into automated systems allows for precise and repeatable positioning and control, enabling complex sequences of movements to be executed with high accuracy.
7. Advanced Control Algorithms:
– Advancements in control algorithms have also contributed to the precise positioning and control of hydraulic cylinders. These algorithms, such as PID (Proportional-Integral-Derivative) control, adaptive control, and model-based control, enable sophisticated control strategies to be implemented. These algorithms consider factors such as load variations, system dynamics, and environmental conditions to optimize the control of hydraulic cylinders. By employing advanced control algorithms, hydraulic cylinders can compensate for disturbances and achieve precise positioning and control over a wide range of operating conditions.
In summary, hydraulic cylinders overcome the challenges of precise positioning and control through the use of fluid power control, control valves, proportional control, position feedback sensors, servo control systems, integrated automation, and advanced control algorithms. By combining these elements, hydraulic cylinders can achieve accurate and controlled movements, enabling precise positioning and control in various applications. These capabilities are essential for industries that require high precision and repeatability in their operations, such as industrial automation, robotics, and material handling.

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.

Quali sono le pratiche di manutenzione essenziali per prolungare la durata dei cilindri idraulici?
La manutenzione dei cilindri idraulici è fondamentale per prolungarne la durata e garantirne prestazioni ottimali. Una manutenzione regolare aiuta a prevenire usura precoce, danni e guasti, riducendo in definitiva i tempi di inattività e i costi. Ecco alcune pratiche di manutenzione essenziali da considerare per prolungare la durata dei cilindri idraulici:
1. Ispezioni periodiche:
– Eseguire ispezioni visive di routine dei cilindri idraulici per individuare eventuali segni di danni, perdite o usura. Ispezionare il corpo del cilindro, lo stelo del pistone, le guarnizioni e i punti di fissaggio. Verificare la presenza di perdite di fluido, ruggine, ammaccature o qualsiasi anomalia nell'usura. L'individuazione precoce dei problemi consente riparazioni o sostituzioni tempestive, prevenendo ulteriori danni e prolungando la durata del cilindro.
2. Pulizia:
– Mantenere pulito l'ambiente circostante i cilindri idraulici per evitare che contaminanti penetrino nel sistema. Polvere, sporco e detriti possono danneggiare le guarnizioni e altri componenti interni, causando un'usura accelerata e una riduzione delle prestazioni. Pulire regolarmente il cilindro e l'area circostante per ridurre al minimo il rischio di contaminazione.
3. Lubrificazione adeguata:
– Una lubrificazione adeguata è fondamentale per il corretto funzionamento e la lunga durata dei cilindri idraulici. Attenersi alle raccomandazioni del produttore per gli intervalli di lubrificazione e utilizzare il lubrificante appropriato. Lubrificare le parti mobili del cilindro, come lo stelo del pistone, per ridurre l'attrito e minimizzare l'usura.
4. Manutenzione delle guarnizioni:
– Le guarnizioni svolgono un ruolo fondamentale nel prevenire perdite di fluido idraulico e nel mantenere le prestazioni del cilindro. Ispezionare e sostituire tempestivamente le guarnizioni usurate o danneggiate. Assicurarsi che le guarnizioni siano installate e lubrificate correttamente. Pulire regolarmente le scanalature delle guarnizioni per rimuovere eventuali detriti che potrebbero comprometterne l'efficacia.
5. Controlli di pressione:
– Verificare periodicamente la pressione dell'impianto idraulico per assicurarsi che rientri nell'intervallo di funzionamento raccomandato. Una pressione eccessiva può sollecitare eccessivamente il cilindro e i suoi componenti, causando un'usura precoce. Monitorare i livelli di pressione ed effettuare le regolazioni necessarie per evitare il sovraccarico del cilindro.
6. Manutenzione della valvola di controllo:
– Eseguire la manutenzione e l'ispezione delle valvole di controllo che regolano il flusso e la direzione del fluido idraulico. Assicurarsi che le valvole funzionino correttamente e non causino sollecitazioni eccessive o picchi di pressione nel cilindro. Pulire o sostituire le valvole di controllo se sono danneggiate o non funzionano correttamente.
7. Allineamento dei cilindri:
– Il corretto allineamento dei cilindri idraulici è essenziale per la loro durata. Un disallineamento può causare carichi laterali eccessivi, con conseguente usura irregolare e potenziali danni. Assicurarsi che il cilindro sia correttamente allineato con gli altri componenti e che i punti di fissaggio siano sicuri.
8. Prevenire il sovraccarico:
– Evitare di sottoporre i cilindri idraulici a carichi superiori alla loro capacità nominale. Il sovraccarico può causare danni interni, guasti alle guarnizioni e una riduzione della durata. Assicurarsi che i carichi richiesti rientrino nelle capacità del cilindro e valutare l'utilizzo di dispositivi di sicurezza come i sistemi di protezione da sovraccarico, se necessario.
9. Formazione e sensibilizzazione degli operatori:
– Fornire una formazione adeguata agli operatori delle attrezzature sull'uso e la gestione corretti dei cilindri idraulici. Gli operatori devono essere consapevoli dei limiti del cilindro, delle procedure operative di sicurezza e dell'importanza di una manutenzione regolare. Promuovere una cultura di manutenzione proattiva e incoraggiare gli operatori a segnalare tempestivamente qualsiasi potenziale problema.
10. Documentazione e tenuta dei registri:
– Mantenere una documentazione dettagliata di tutte le attività di manutenzione, comprese ispezioni, riparazioni e sostituzioni. Conservare i registri dei programmi di lubrificazione, dei controlli di pressione e di qualsiasi intervento di manutenzione effettuato sui cilindri idraulici. Questa documentazione aiuta a tracciare la storia del cilindro, a identificare i problemi ricorrenti e a pianificare efficacemente la manutenzione futura.
Seguendo queste pratiche di manutenzione, è possibile prolungare la durata dei cilindri idraulici, garantendo prestazioni affidabili e riducendo il rischio di guasti imprevisti. Ispezioni regolari, pulizia, lubrificazione adeguata, manutenzione delle guarnizioni, controlli di pressione, manutenzione delle valvole di controllo, allineamento dei cilindri, prevenzione dei sovraccarichi, formazione degli operatori e documentazione contribuiscono alla longevità complessiva e al funzionamento ottimale dei cilindri idraulici.


editor by CX 2023-10-28