Descrizione del prodotto
China Factory Provide Double Acting Piston Reciprocating Hydraulic Cylinder for Injection Molding Machine
Product Specifications:
| Item | Specifications |
| Bore diameter | 80mm-250mm,customizable |
| Bod diameter | 60mm-200mm,customizable |
| Stroke | 500mm-5000mm,customizable |
| Working Pressure | 7-40Mpa,customizable |
| Surface treatment of piston rod | HaHard Chrome Plating,Electroplated Milky White Chromium+Hard Chromium,Nickel Plating+Hard Chromium Plating,High-Velocity Oxygen-Fuel CrC NiC,Ceramic Coating,Nitriding,Laser Cladding |
| Work Pressure | Maximum 38MPa,Customizable |
| Material | High tensile cold drawn tube, precision honed for extended seal life |
| Montaggio | Earring,Flange,Clevis.Foot,Trunnion,Customizable |
| Seal Type | Parker,NOK, Hallite GAPI or as customer’s requirement |
| Warrenty | 18 months |
| MOQ | 1pcs |
| Production Time | Based on order quantity.normally 30-40 days. |
| Certification | ISO9001,CE, SGS |
| Colour | Red,White,Pink,Yellow,Bule,etc,Customizable |
| Packaging | metal case,plywood case,carton or as requirement |
| Service | OEM & ODM |
| Price Advantage | Competitive factory price with guaranteed quality |
| Business Type | Manufacturer |
Product Display:
Appliactions:Industrial Engineering,Dual-plated Injection Molding Machine.
Mounting Method:
Our Factory:
Inspection Process:
| Inspection Type | Inspection Standard |
| Raw Material Inspection | Before storage, QC takes the measurement of the raw materials. |
| Process Material Inspection | During the production, QCs conduct a random inspection. Before the hydraulic cylinder parts transferred to the next process, QCs takes inspection. |
| Final Function Testing | All the hydraulic cylinders take hydraulic function test |
Inspection of Mechanical Properties of Raw Materials
Process Material Inspection
Final Function Testing
Packing & Delivery:
About US:
Our Certificate
ZheJiang Tianjian Hydraulic Technology Co.,Ltd is specializing in the production of various types of hydraulic cylinders as well as cylinder barrel, piston cylinder and other cylinder accessories.
As a highly specialized manufacturer of hydraulic cylinders, tianjian provides design optimization solutions and reliable products to many customers at home and abroad. No matter in construction machinery, railway bridge machinery, port ship machinery, metallurgy and mining machinery, oil and light industry machinery, special vehicles and other industries, tianjian can provide various standard and non-standard hydraulic cylinder design optimization schemes and products according to users’ requirements, and provide integrated services for perfection and quality.
If possible, when contact with us, please apply information as below
Bore | Rod | Stroke | Work Pressure | Montaggio | Work environment |
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Or you can offer us your sketch diagram or photos so that we could understand you exactly meaning, help us avoid mistakes.
And if you have samples, we can manufacture according to your samples after sending to us.
Welcome to our factory if you have any time.
Your satisfaction is our biggest motivation.
Now, you can contact with us for any question or inquiry.
FAQ:
1, What does your company do?
A: we are a supplier of high quality hydraulic products including Hydraulic Cylinder, Hydraulic Motor, Hydraulic Power Pack, Hydraulic station and other Hydraulic components.
2, Are you a manufacture or a trading company?
A: We are a manufacturer.
3, What certificate do you have?
A: All our factories are ISO certificated. And our main suppliers of materials and parts are with CE, RoHS, CSA and UL certificates.
4, How long is your delivery time?
A: The delivery time depends on different products and quantity. The cylinder usually need about 45-60 days and the Motor need about 30-50 days.
5, Can you make parts as customer’s requirement or drawing?
A: Yes, we can OEM for you as your drawings. Our engineer also can give you professional support for technical suggestions.
6, What kind of payment terms do you accept?
A: We prefer T/T through bank. 30% when order is confirmed and 70% before shipment. L/C is also acceptable for amount over 20,000USD.
7, What is your warranty policy?
A: All our products are warranted for 1 full year from date of delivery against defects in materials and workmanship. This warranty does not cover parts that are worn out through the course of normal operation or are damaged through negligence. We serious remind that unclean hydraulic oil will definitely cause damage to your Hydraulic components. And this damage is not included in the warranty range. So we strongly suggest you to use new clean oil or make sure the system oil are clean when using our parts
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How do manufacturers ensure the durability and reliability of hydraulic cylinders?
Manufacturers employ various strategies and techniques to ensure the durability and reliability of hydraulic cylinders. These measures are crucial as hydraulic cylinders are often subjected to demanding operating conditions and heavy loads. To ensure their longevity and dependable performance, manufacturers focus on the following aspects:
1. High-Quality Materials:
– Manufacturers use high-quality materials in the construction of hydraulic cylinders. Components such as cylinder barrels, piston rods, seals, and bearings are made from materials that possess excellent strength, corrosion resistance, and wear resistance properties. Common materials used include high-grade steel alloys, chrome-plated rods, and specialized coatings. The selection of appropriate materials ensures that hydraulic cylinders can withstand the stresses, pressures, and environmental conditions they encounter during operation.
2. Robust Design:
– Hydraulic cylinders are designed to withstand high loads and harsh operating conditions. Manufacturers use computer-aided design (CAD) software and finite element analysis (FEA) techniques to optimize the cylinder’s structural integrity and performance. The design includes factors such as proper wall thickness, reinforcement in critical areas, and appropriate sizing of components. Robust design practices ensure that hydraulic cylinders can withstand the forces and stresses they encounter, preventing premature failure and ensuring durability.
3. Quality Manufacturing Processes:
– Manufacturers follow stringent quality control measures during the manufacturing processes of hydraulic cylinders. These processes include precision machining, welding, heat treatment, and surface finishing. Skilled technicians and advanced machinery are employed to ensure dimensional accuracy, proper fitment of components, and overall quality. By adhering to strict manufacturing processes and quality standards, manufacturers can produce hydraulic cylinders with consistent performance and reliability.
4. Sealing Technology:
– The sealing system of hydraulic cylinders is critical for their durability and reliability. Manufacturers utilize advanced sealing technologies such as lip seals, O-rings, and composite seals to prevent fluid leakage and ingress of contaminants. Properly designed and high-quality seals ensure that hydraulic cylinders can maintain their performance over extended periods. Seals are tested for their compatibility with the hydraulic fluid, pressure resistance, and resilience to environmental factors such as temperature and humidity.
5. Performance Testing:
– Manufacturers subject hydraulic cylinders to rigorous performance testing to validate their durability and reliability. These tests simulate real-world operating conditions and evaluate factors such as load capacity, pressure resistance, fatigue life, and leakage. Performance testing helps identify any design flaws or weaknesses in the hydraulic cylinder and allows manufacturers to make necessary improvements. By conducting thorough performance testing, manufacturers can ensure that hydraulic cylinders meet or exceed the required performance standards.
6. Compliance with Industry Standards:
– Manufacturers adhere to industry standards and regulations to ensure the durability and reliability of hydraulic cylinders. These standards, such as ISO 6020/6022 and NFPA T3.6.7, provide guidelines for design, manufacturing, and performance requirements. By following these standards, manufacturers ensure that hydraulic cylinders are designed and built to meet specific quality and safety criteria. Compliance with industry standards helps establish a baseline for durability and reliability and instills confidence in the performance of hydraulic cylinders.
7. Regular Maintenance and Service:
– Manufacturers provide recommendations for regular maintenance and service of hydraulic cylinders. This includes guidelines for lubrication, inspection of components, and replacement of wear parts such as seals and bearings. Following the manufacturer’s maintenance guidelines helps ensure the long-term durability and reliability of hydraulic cylinders. Regular maintenance also allows for the early detection of potential issues, preventing major failures and extending the service life of the hydraulic cylinders.
8. Customer Support and Warranty:
– Manufacturers provide customer support and warranty services to address any issues that arise with hydraulic cylinders. They offer technical assistance, troubleshooting guidance, and replacement of defective components. The warranty ensures that customers receive reliable and durable hydraulic cylinders and provides recourse in case of any manufacturing defects or premature failures. Strong customer support and warranty policies reflect the manufacturer’s commitment to the durability and reliability of their products.
In summary, manufacturers ensure the durability and reliability of hydraulic cylinders through the use of high-quality materials, robust design practices, stringent manufacturing processes, advanced sealing technology, thorough performance testing, compliance with industry standards, regular maintenance guidelines, and customer support with warranty services. By focusing on these aspects, manufacturers can produce hydraulic cylinders that can withstand demanding conditions, provide long service life, and deliver reliable performance in various applications.

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.

Puoi spiegare il ruolo e l'importanza dei cilindri idraulici nei macchinari?
I cilindri idraulici svolgono un ruolo cruciale nei macchinari di diversi settori industriali. Sono componenti essenziali che forniscono un movimento lineare controllato e potente, consentendo il funzionamento di attrezzature pesanti e facilitando numerose attività. Il ruolo e l'importanza dei cilindri idraulici nei macchinari possono essere spiegati in dettaglio come segue:
Ruolo dei cilindri idraulici:
– Conversione dell'energia idraulica: i cilindri idraulici convertono l'energia idraulica, solitamente sotto forma di fluido idraulico pressurizzato, in forza lineare e movimento. Questa conversione consente ai macchinari di svolgere compiti come sollevamento, spinta, trazione, serraggio, inclinazione e controllo di vari meccanismi.
– Generazione di moto lineare: i cilindri idraulici generano moto lineare sfruttando i principi della legge di Pascal. Quando il fluido idraulico viene indirizzato verso un lato del cilindro, esercita una pressione sul pistone, determinando un movimento lineare del pistone e dello stelo collegato. Questo movimento lineare può essere utilizzato per azionare altri componenti all'interno del macchinario o per eseguire direttamente l'operazione richiesta.
– Generazione di forza: i cilindri idraulici sono in grado di generare forze elevate grazie alla pressione idraulica applicata al pistone. La forza erogata da un cilindro idraulico dipende dalla superficie del pistone e dalla pressione del fluido idraulico. Questa forza consente ai macchinari di esercitare una potenza significativa per sollevare carichi pesanti, applicare pressione o superare la resistenza.
– Controllo preciso: i cilindri idraulici offrono un controllo preciso sul movimento lineare e sulla forza esercitata. Regolando il flusso del fluido idraulico, è possibile regolare con precisione la velocità e la direzione del movimento del cilindro. Questo livello di controllo è fondamentale nei macchinari che richiedono un posizionamento preciso, movimenti delicati o la sincronizzazione di più cilindri.
– Integrazione con i sistemi idraulici: i cilindri idraulici sono parte integrante dei sistemi idraulici utilizzati nei macchinari. Lavorano insieme a pompe idrauliche, valvole e attuatori per creare un circuito idraulico completo. Questa integrazione consente un'efficiente trasmissione di potenza, controllo e coordinamento delle varie funzioni della macchina.
Significato dei cilindri idraulici:
– Azionamento di macchinari pesanti: i cilindri idraulici sono essenziali nei macchinari pesanti utilizzati nell'edilizia, nell'industria mineraria, in agricoltura, nella movimentazione dei materiali e in altri settori. Consentono il sollevamento e lo spostamento di carichi pesanti, l'azionamento di attrezzature e l'esecuzione di attività che richiedono elevata forza e precisione.
– Versatilità e adattabilità: i cilindri idraulici sono componenti versatili che possono essere progettati e personalizzati per soddisfare i requisiti specifici dei macchinari. Possono essere integrati in vari tipi di apparecchiature e personalizzati in base a fattori quali capacità di forza, lunghezza della corsa, velocità e opzioni di montaggio. Questa adattabilità rende i cilindri idraulici adatti a diverse applicazioni.
– Durata e affidabilità: i cilindri idraulici sono costruiti per resistere a condizioni operative rigorose, tra cui alte pressioni, carichi pesanti e uso continuo. Sono progettati con materiali robusti, lavorazioni di precisione ed efficaci sistemi di tenuta per garantire durata e affidabilità per lunghi periodi di funzionamento.
– Sicurezza e controllo del carico: i cilindri idraulici garantiscono un funzionamento sicuro e controllato dei macchinari. Offrono meccanismi di protezione da sovraccarico, come le valvole di sicurezza, per prevenire danni causati da forza o pressione eccessive. Inoltre, i cilindri idraulici consentono un controllo preciso del carico, riducendo al minimo il rischio di incidenti durante il sollevamento, l'abbassamento o il posizionamento di carichi pesanti.
– Design compatto: i cilindri idraulici offrono un elevato rapporto potenza/dimensioni, consentendo la progettazione di macchinari compatti. Le loro dimensioni relativamente ridotte rispetto alle forze che possono generare li rendono adatti ad applicazioni in cui lo spazio è limitato o il peso è limitato.
– Efficienza energetica: i cilindri idraulici contribuiscono all'efficienza energetica dei macchinari. L'utilizzo di sistemi idraulici consente il trasferimento di potenza su lunghe distanze senza perdite di potenza significative. Inoltre, i cilindri idraulici possono integrare funzionalità di risparmio energetico come la tecnologia load-sensing e i circuiti rigenerativi, riducendo il consumo energetico.
Nel complesso, i cilindri idraulici svolgono un ruolo fondamentale nei macchinari, garantendo un movimento lineare controllato e potente. La loro importanza risiede nella capacità di convertire l'energia idraulica, generare forze elevate, offrire un controllo preciso, integrarsi con i sistemi idraulici e facilitare il funzionamento di attrezzature pesanti in diversi settori industriali. I cilindri idraulici contribuiscono ad aumentare la produttività, la sicurezza e l'efficienza nelle applicazioni meccaniche, rendendoli componenti indispensabili nell'ingegneria moderna.


editor by Dream 2024-11-28