Produttore cinese La Cina produce cilindri idraulici personalizzati per costruzioni a media pressione per pompe per vuoto A/C per escavatori

Descrizione del prodotto

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.

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).
 

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).

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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I cilindri idraulici possono essere integrati con sistemi di controllo e automazione avanzati?

Sì, i cilindri idraulici possono essere integrati con sistemi di controllo avanzati e tecnologie di automazione per migliorarne la funzionalità, la precisione e le prestazioni complessive. L'integrazione dei cilindri idraulici con sistemi di controllo avanzati consente un controllo più sofisticato e preciso del loro funzionamento, consentendo l'automazione e il controllo intelligente. Ecco una spiegazione dettagliata di come i cilindri idraulici possono essere integrati con sistemi di controllo avanzati e automazione:

1. Controllo elettronico:

– I cilindri idraulici possono essere dotati di sensori e trasduttori elettronici per fornire un feedback in tempo reale su posizione, forza, pressione o velocità. Questi sensori possono essere integrati con sistemi di controllo avanzati, come controllori logici programmabili (PLC) o sistemi di controllo distribuito (DCS), per monitorare e controllare il funzionamento dei cilindri idraulici. Integrando il controllo elettronico, la posizione, la velocità e la forza dei cilindri idraulici possono essere monitorate e regolate con precisione, consentendo un controllo più accurato e automatizzato.

2. Controllo a circuito chiuso:

– I sistemi di controllo a circuito chiuso utilizzano il feedback dei sensori per monitorare e regolare costantemente il funzionamento dei cilindri idraulici. Integrando i cilindri idraulici con sistemi di controllo a circuito chiuso, è possibile ottenere un controllo preciso di posizione, velocità e forza. Il controllo a circuito chiuso consente al sistema di compensare automaticamente variazioni, disturbi esterni o cambiamenti nelle condizioni operative, garantendo prestazioni accurate e costanti. Questa integrazione è particolarmente vantaggiosa nelle applicazioni che richiedono posizionamento, sincronizzazione o controllo della forza precisi.

3. Controllo proporzionale e servo:

– I cilindri idraulici possono essere integrati con sistemi di controllo proporzionale e servocomando per ottenere un controllo più preciso del loro funzionamento. I sistemi di controllo proporzionale utilizzano valvole proporzionali per regolare la portata e la pressione del fluido idraulico, consentendo una regolazione precisa della velocità e della forza del cilindro. I sistemi di controllo servocomando, invece, combinano sensori di feedback, valvole ad alte prestazioni e algoritmi di controllo avanzati per ottenere un controllo estremamente preciso dei cilindri idraulici. L'integrazione di controllo proporzionale e servocomando migliora la reattività, la precisione e le prestazioni dinamiche dei cilindri idraulici.

4. Interfaccia uomo-macchina (HMI):

– I cilindri idraulici integrati con sistemi di controllo avanzati possono essere azionati e monitorati tramite dispositivi di interfaccia uomo-macchina (HMI). Gli HMI forniscono un'interfaccia utente grafica che consente agli operatori di interagire con il sistema di controllo, monitorare le prestazioni del cilindro e regolare i parametri. Gli HMI consentono agli operatori di impostare posizioni, forze o velocità desiderate e di visualizzare il feedback in tempo reale dai sensori. Questa integrazione semplifica il funzionamento e il monitoraggio dei cilindri idraulici, rendendoli più intuitivi e facilitando l'integrazione senza soluzione di continuità nei sistemi automatizzati.

5. Comunicazione e networking:

– I cilindri idraulici possono essere integrati in sistemi di comunicazione e di rete, consentendo loro di far parte di un sistema automatizzato più ampio. L'integrazione con protocolli di comunicazione industriale, come Ethernet/IP, Profibus o Modbus, consente uno scambio di informazioni senza interruzioni tra i cilindri idraulici e gli altri componenti del sistema. Questa integrazione consente il controllo centralizzato, la registrazione dei dati, il monitoraggio remoto e il coordinamento con altri processi automatizzati. L'integrazione di comunicazione e rete migliora l'efficienza complessiva, il coordinamento e l'integrazione dei cilindri idraulici all'interno di sistemi di automazione complessi.

6. Automazione e controllo sequenziale:

– Integrando i cilindri idraulici con sistemi di controllo avanzati, è possibile integrarli perfettamente in processi automatizzati e operazioni di controllo sequenziale. Il sistema di controllo può eseguire sequenze predefinite o logiche programmate per controllare il funzionamento dei cilindri idraulici in base a condizioni, input o tempi specifici. Questa integrazione consente l'automazione di attività complesse, come la movimentazione dei materiali, le operazioni di assemblaggio o i movimenti ripetitivi. I cilindri idraulici possono essere sincronizzati con altri attuatori, sensori o dispositivi, consentendo un funzionamento coordinato e automatizzato in varie applicazioni industriali.

7. Manutenzione predittiva e monitoraggio delle condizioni:

– I sistemi di controllo avanzati possono anche abilitare la manutenzione predittiva e il monitoraggio delle condizioni dei cilindri idraulici. Integrando sensori e funzionalità di monitoraggio, il sistema di controllo può monitorare costantemente le prestazioni, lo stato di salute e le condizioni dei cilindri idraulici. Questa integrazione consente il rilevamento di anomalie, usura o potenziali guasti in tempo reale. Sulla base dei dati raccolti, è possibile implementare strategie di manutenzione predittiva, ottimizzando i programmi di manutenzione, riducendo i tempi di fermo e migliorando l'affidabilità complessiva dei sistemi idraulici.

In sintesi, i cilindri idraulici possono essere integrati con sistemi di controllo avanzati e tecnologie di automazione per migliorarne funzionalità, precisione e prestazioni. L'integrazione consente il controllo elettronico, il controllo ad anello chiuso, il controllo proporzionale e servo, l'interazione con l'interfaccia uomo-macchina (HMI), la comunicazione e il networking, l'automazione e il controllo sequenziale, nonché la manutenzione predittiva e il monitoraggio delle condizioni. Queste integrazioni consentono un controllo più preciso, l'automazione, una maggiore efficienza e prestazioni ottimizzate dei cilindri idraulici in diverse applicazioni industriali.

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:

1. 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.
2. 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.
3. 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.
4. 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.
5. 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