Product Description
Long Stroke Multistage Telescopic Single Acting Lift Hydraulic Cylinder for Mining Dump Truck Spare Parts Made in China
Product Specifications :
| Item | Specifications |
| Function | Lifting/lowering the truck body for cargo dumping |
| Bore diameter | 120mm-480mm,customizable |
| Bod diameter | 90mm-390mm,customizable |
| Stroke | 3000mm-12000mm,customizable |
| Stage | 2-6stages,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 |
| Mounting | Earring,Flange,Clevis.Foot,Trunnion,Customizable |
| Seal Type | Parker,NOK, Hallite or as customer’s requirement |
| Warrenty | 18 months |
| MOQ | 1 pcs |
| Production Time | Based on order quantity.normally 30-40 days. |
| Certification | ISO9001,CE, SGS |
| 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:
Mounting Method:
Appliactions:Mining Machinery,Mining Dump Truck
Other Related Products
Our Factory:
Quality Assurance:
| 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 Inspection
Final Testing
Packing & Delivery:
About US:
Our Certificate
Our Main Customers
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
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Bore |
Rod |
Stroke |
Work Pressure |
Mounting |
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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| Certification: | GS, RoHS, CE, ISO9001 |
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| Pressure: | High Pressure |
| Work Temperature: | High Temperature |
| Acting Way: | Double Acting |
| Working Method: | Straight Trip |
| Adjusted Form: | Regulated Type |
| Samples: |
US$ 2100/Set
1 Set(Min.Order) | |
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| Customization: |
Available
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How do hydraulic cylinders handle the challenges of minimizing friction and wear?
Hydraulic cylinders employ several mechanisms and techniques to effectively minimize friction and wear, ensuring optimal performance and longevity. Minimizing friction and wear is crucial for hydraulic cylinders as it helps to maintain efficiency, reduce energy consumption, and prevent premature failure. Here’s a detailed explanation of how hydraulic cylinders handle the challenges of minimizing friction and wear:
1. Lubrication:
– Proper lubrication is essential for minimizing friction and wear in hydraulic cylinders. Lubricating fluids, such as hydraulic oils, are used to create a thin film between moving surfaces, reducing direct metal-to-metal contact. This lubricating film acts as a protective barrier, reducing friction and preventing wear. Regular maintenance practices include monitoring and maintaining the appropriate lubricant levels to ensure optimal lubrication and minimize frictional losses.
2. Surface Finishes:
– The surface finishes of components in hydraulic cylinders play a crucial role in minimizing friction and wear. Smoother surface finishes, achieved through precision machining, grinding, or the application of specialized coatings, reduce surface roughness and frictional resistance. By minimizing surface irregularities, the risk of wear and friction-induced damage is significantly reduced, resulting in improved efficiency and extended component life.
3. High-Quality Sealing Systems:
– Well-designed and high-quality sealing systems are crucial for minimizing friction and wear in hydraulic cylinders. Seals prevent fluid leakage and contamination while maintaining proper lubrication. Advanced sealing materials, such as polyurethane or composite materials, offer excellent wear resistance and low friction characteristics. Optimal seal design and proper installation ensure effective sealing, minimizing friction and wear between the piston and cylinder bore.
4. Proper Alignment and Clearances:
– Hydraulic cylinders must be properly aligned and have appropriate clearances to minimize friction and wear. Misalignment or excessive clearances can result in increased friction and uneven wear, leading to premature failure. Proper installation, alignment, and maintenance practices, including regular inspection and adjustment of clearances, help ensure smooth and even movement of the piston within the cylinder, reducing friction and wear.
5. Filtration and Contamination Control:
– Effective filtration and contamination control are essential for minimizing friction and wear in hydraulic cylinders. Contaminants, such as particles or moisture, can act as abrasive agents, accelerating wear and increasing friction. By implementing robust filtration systems and proper maintenance practices, hydraulic systems can prevent the ingress of contaminants, ensuring clean and properly lubricated components. Clean hydraulic fluids help minimize wear and friction, contributing to improved performance and longevity.
6. Material Selection:
– The selection of appropriate materials for hydraulic cylinder components is crucial in minimizing friction and wear. Components subject to high frictional forces, such as pistons and cylinder bores, can be made from materials with excellent wear resistance, such as hardened steel or composite materials. Additionally, selecting materials with low coefficients of friction helps reduce frictional losses. Proper material selection ensures durability and minimized wear in critical components of hydraulic cylinders.
7. Maintenance and Regular Inspection:
– Regular maintenance and inspection practices are vital for identifying and addressing potential issues that could lead to increased friction and wear in hydraulic cylinders. Scheduled maintenance includes lubrication checks, seal inspections, and monitoring of clearances. By promptly detecting and rectifying any signs of wear or misalignment, hydraulic cylinders can be kept in optimal condition, minimizing friction and wear throughout their operational lifespan.
In summary, hydraulic cylinders employ various strategies to handle the challenges of minimizing friction and wear. These include proper lubrication, employing suitable surface finishes, utilizing high-quality sealing systems, ensuring proper alignment and clearances, implementing effective filtration and contamination control measures, selecting appropriate materials, and conducting regular maintenance and inspections. By implementing these practices, hydraulic cylinders can minimize friction and wear, ensuring smooth and efficient operation while extending the overall lifespan of the system.
Ensuring Controlled and Safe Force Application in Heavy Machinery with Hydraulic Cylinders
Hydraulic cylinders play a critical role in heavy machinery by ensuring controlled and safe force application. The ability to exert and control high forces is essential for heavy machinery operations, such as lifting, pressing, pushing, or pulling heavy loads. Let’s explore how hydraulic cylinders ensure controlled and safe force application in heavy machinery:
- Force Control: Hydraulic cylinders provide precise force control capabilities. The hydraulic system’s pressure can be adjusted to regulate the force exerted by the cylinder. This control allows operators to apply the necessary force for a specific task while ensuring it remains within safe limits. By accurately controlling the force, hydraulic cylinders help prevent excessive force that could damage the machinery or compromise the safety of the operation.
- Load Balancing: In heavy machinery, multiple hydraulic cylinders are often used in conjunction to distribute and balance the applied force. By using multiple cylinders, the load can be evenly distributed across the machinery, minimizing stress concentrations and ensuring controlled force application. This load balancing approach enhances the stability and safety of the machinery, preventing uneven loading that could lead to structural issues or instability.
- Safety Valves: Hydraulic systems in heavy machinery are equipped with safety valves to protect against excessive force or overloading. Safety valves are designed to release hydraulic fluid from the cylinder when the force exceeds a predetermined threshold. This prevents the force from reaching dangerous levels, safeguarding the machinery and preventing potential accidents or damage. Safety valves provide an additional layer of safety and ensure controlled force application even in unexpected circumstances.
- Pressure Relief Systems: Hydraulic cylinders incorporate pressure relief systems to further enhance safety. These systems are designed to relieve excess pressure in the hydraulic system, which could occur due to factors such as thermal expansion or system malfunctions. By relieving excess pressure, the pressure relief systems prevent sudden and uncontrolled force surges, maintaining safe and controlled force application in heavy machinery.
- Structural Integrity: Hydraulic cylinders are designed to withstand the high forces and loads associated with heavy machinery applications. The cylinders are constructed using robust materials, such as high-strength steel, and undergo rigorous testing to ensure their structural integrity. This ensures that the cylinders can safely handle the forces applied during heavy machinery operations without experiencing failures or deformations that could compromise the safety and controlled force application.
In summary, hydraulic cylinders ensure controlled and safe force application in heavy machinery through force control, load balancing, safety valves, pressure relief systems, and robust structural design. These features and design considerations enable operators to exert the necessary force while maintaining safety and preventing excessive loads or force surges. By incorporating hydraulic cylinders into heavy machinery, manufacturers can achieve controlled force application, enhance operational safety, and protect the machinery from damage or failure.
How do hydraulic cylinders handle variations in load, pressure, and speed?
Hydraulic cylinders are designed to handle variations in load, pressure, and speed effectively. They incorporate features and components that allow them to adapt to changing operating conditions and maintain optimal performance. Here’s a detailed explanation of how hydraulic cylinders handle variations in load, pressure, and speed:
Variations in Load:
– Hydraulic cylinders are capable of handling variations in load by adjusting the force they exert. The force output of a hydraulic cylinder is determined by the hydraulic pressure and the surface area of the piston. When the load increases, the pressure in the hydraulic system can be adjusted to generate a higher force. This adjustment can be achieved by regulating the flow of hydraulic fluid into the cylinder using control valves. By controlling the pressure and flow, hydraulic cylinders can adapt to different load requirements, ensuring that the force applied is sufficient to handle the load while preventing excessive force that could cause damage.
Variations in Pressure:
– Hydraulic cylinders are designed to handle variations in pressure within the hydraulic system. They are equipped with seals and other components that can withstand high-pressure conditions. When the pressure within the hydraulic system fluctuates, the hydraulic cylinder adjusts accordingly to maintain its performance. The seals prevent fluid leakage and ensure that the hydraulic pressure is effectively transmitted to the piston, allowing the cylinder to generate the required force. Additionally, hydraulic systems often incorporate pressure relief valves and other safety mechanisms to protect the cylinder and the entire system from overpressure conditions.
Variations in Speed:
– Hydraulic cylinders can handle variations in speed through the control of hydraulic fluid flow. The speed of a hydraulic cylinder’s extension or retraction is determined by the rate at which hydraulic fluid enters or exits the cylinder. By adjusting the flow rate using flow control valves, the speed of the cylinder’s movement can be regulated. This allows for precise control over the speed, enabling operators to adapt to varying speed requirements based on the specific task or load. Furthermore, hydraulic systems can incorporate flow control valves with adjustable orifice sizes to fine-tune the speed of the cylinder’s movement.
Load-Sensing Technology:
– Advanced hydraulic systems may incorporate load-sensing technology to further enhance the ability of hydraulic cylinders to handle variations in load, pressure, and speed. Load-sensing systems monitor the load demand and adjust the hydraulic pressure and flow accordingly to meet that demand. This technology ensures that the hydraulic cylinder provides the necessary force while optimizing energy efficiency. Load-sensing systems are particularly beneficial in applications where the load requirements can vary significantly, allowing hydraulic cylinders to adapt in real-time and maintain precise control over force and speed.
Accumulators:
– Hydraulic systems can also utilize accumulators to assist in handling variations in load, pressure, and speed. Accumulators store hydraulic fluid under pressure, which can be released when needed to supplement the flow and pressure in the system. When there are sudden increases in load or pressure demands, accumulators can provide additional fluid to the hydraulic cylinder, ensuring smooth operation and preventing pressure drops. Similarly, accumulators can assist in maintaining consistent speed by compensating for fluctuations in flow rate. They act as a supplemental energy source, helping hydraulic cylinders respond effectively to variations in operating conditions.
In summary, hydraulic cylinders handle variations in load, pressure, and speed through various mechanisms and components. They can adjust the force output to accommodate different load requirements by regulating hydraulic pressure. The seals and components within hydraulic cylinders allow them to withstand variations in pressure within the hydraulic system. By controlling the flow of hydraulic fluid, hydraulic cylinders can regulate the speed of their movement. Advanced technologies such as load-sensing systems and the use of accumulators further enhance the adaptability of hydraulic cylinders to changing operating conditions. These features and mechanisms enable hydraulic cylinders to maintain optimal performance and provide reliable force and motion control in a wide range of applications.
editor by CX 2024-01-17
