Product Description
Hydraulic Cylinder for Coal Mining with Competitive Price
Wantong Hydraulic Co.,LTD is specialized in design, R&D,and manufacturing of hydraulic cylinder/ system with over 20years’ experience, company cover an area of 180,000 square meters, there are 600 employees and 700 sets of equipment, annual output more than 200,000 sets.
History of Wantong:
>Dump truck telescopic hydraulic cylinder was successsfully developed in 2002;
>Began to cooperate with famous brands companies ,Such as CHINAMFG ,SHACMAN in 2005;
>Passed ISO/TS 16949 International Quality management system certification in 2006;
>Began to cooperate with ZMJ,Co.,Ltd in 2009;
>The electroplating production line was completed and had passed the acceptance of environmental impact assessment in 2012;
>Has been raised as a listed Company in 2014;
>Cylinder with 10-stage .22-meter stroke for project was successfully developed in 2015;
>The North American Type Thin-Walltelescopic cylinder was successfully developed in 2015;
>Hydro-Pneumatic Spring and Suspension System was successfully developed in 2016;
| HS Code | 8412210000 |
| Application | Coal mining equipment |
| Material of cylinder tube | Alloy steel |
| Seal | Hallite, NOK, Guarnitec, Parker |
| Coating | All tubes are chrome plated |
| Working pressure | 16Mpa-30Mpa |
| Stroke | As customer demand |
| Color | red black blue gray, according to customer’s requirement |
| Mounting Type | Earring-trunnion, double trunnion Etc |
| Package | pallet, plywood case |
| Warranty | Period of 14 months from the date of manufacture.The manufacture date is engraved on the label of every cylinder. |
| Main export market | US, Canada, South Korea, Russia, Australia, Indonesia, Malaysia, Kenya, Philippines, Xihu (West Lake) Dis.via, the United Arab Unites, Singapore |
| Payment terms | T/T, L/C, |
| Delivery time | 20 days after down payment |
Production Process:
>Each processing under our control, each products, every step under strict quality control;
Exhibitions& Customers:
>We are the supplier of SINOTRUK, CIMC, JAC, SHACMAN, ZMJ and YANKUANG GROUP
manufacturing and refitting company use our telescopic cylinder as first choice.
>We attended each Bauma exhibition, the world trade fair for construction equipment, building material machines, mining machines and earn much more opportunity to extend our business to oversea market.
Quality Control:
1, The mechanical properties and chemical elements of the raw material will be inspected to check whether qualified after entering the warehouse.
2, Chemical composition inspection of raw materials, Test the chemical composition of metallic materials, such as C, Si, Mn, P, S, Cr, Ni and other elements.Mainly for raw materials incoming inspection, by testing whether the material qualified, receiving materials.
3, Metallographic analysis of metal materials is usually the raw materials, such as copper, iron, aluminum, magnesium, zinc, titanium, etc., for the processing of structural parts and finished product evaluation, through the metallographic analysis, You can find a variety of possible reasons for failure analysis in time, Prediction and analysis the characteristics of metallic materials and materials, Study material surface, and internal defects, and to improve and verify the process technology of the material;
4, Salt spray test is a major use of salt spray test equipment created by the artificial simulation of salt spray environmental conditions to assess the corrosion resistance of products or metal materials, environmental testing
5, Mechanical performance testing equipment can meet the requirements of mechanical testing, all the use of computer digital display, so the accuracy is more accurate so that the mechanical properties of each cylinder barrel has been greatly improved.
6, Every workpiece is machined according to the confirmed drawings and will be inspected casually by QC according to a certain proportion.The traceable record shall be clear and traceable.
7, The qualified parts are assembled into 1 cylinder and then the pressure test will be done.
Before and after assembly, the basic dimensions and workmanship will be inspected again.
8, An inspection report will come into being before delivery.
Certificated:
Package:
Guarantee and after sale service:
> Pre-sale service: Keep communicating with the truck manufacturers, including the selection of product model, the design of a hydraulic system, a test of performance and analysis of the accident. Once the problems occur, we will solve them immediately together with truck manufacturers.
>The sale service: Provide training and technical support for users.
> After-sale service: Solve the problem firstly, then analyze responsibility; Replace the system components
immediately if any need.
> 24 hours telephone service hotline.
FAQ
Q1:Are you a manufacture or a trade company?
Answer:Manufacture, we are the leader manufacturer of hydraulic industry in China with 20 years’ experience and technology accumulation.With strong technical team we could solve any annoyance of you.
Q2:Do you have quality control system?
Answer:Yes,We have Strict Quality Control System from Raw Material to the final finished products to customer .
Q3:Do your products come with a warranty?
Answer:Yes, Period of 14 months from the date of manufacture.The manufacture date is engraved on the label of every cylinder.
Q4: Hydraulic cylinder internal leakage?
Answer:3 main reasons causing internal leakage: Overload, polishing bad controlled, cheap seal kits.As is known to all, vehicles in China are often overloaded, our products all designed to bear the overload power.Advanced equipment could assure the polish processing.And we use the imported/TOP brand seals to meet customers’ requirement.
Q5: Does your telescopic cylinder adopt chrome plating for every stage.
Chrome-plating technology is adopted for every stage of telescopic cylinders.
| Material: | Stainless Steel |
|---|---|
| Usage: | Tunnel Boring |
| Structure: | General Cylinder |
| Power: | Hydraulic |
| Standard: | Standard |
| Pressure Direction: | Single-acting Cylinder |
| Customization: |
Available
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What advancements in hydraulic cylinder technology have improved energy efficiency?
Advancements in hydraulic cylinder technology have led to significant improvements in energy efficiency, allowing hydraulic systems to operate more efficiently and reduce energy consumption. These advancements aim to minimize energy losses, optimize system performance, and enhance overall efficiency. Here’s a detailed explanation of some key advancements in hydraulic cylinder technology that have improved energy efficiency:
1. Efficient Hydraulic Circuit Design:
– The design of hydraulic circuits has evolved to improve energy efficiency. Advancements in circuit design techniques, such as load-sensing, pressure-compensated systems, or variable displacement pumps, help match the hydraulic power output to the actual load requirements. These designs reduce unnecessary energy consumption by adjusting the flow and pressure levels according to the system demands, rather than operating at a fixed high pressure.
2. High-Efficiency Hydraulic Fluids:
– The development of high-efficiency hydraulic fluids, such as low-viscosity or synthetic fluids, has contributed to improved energy efficiency. These fluids offer lower internal friction and reduced resistance to flow, resulting in decreased energy losses within the system. Additionally, advanced fluid additives and formulations enhance lubrication properties, reducing friction and optimizing the overall efficiency of hydraulic cylinders.
3. Advanced Sealing Technologies:
– Seal technology has advanced significantly, leading to improved energy efficiency in hydraulic cylinders. High-performance seals, such as low-friction or low-leakage seals, minimize internal leakage and friction losses. Reduced internal leakage helps maintain system pressure more effectively, resulting in less energy waste. Additionally, innovative sealing materials and designs enhance durability and extend seal life, reducing the need for frequent maintenance and replacement.
4. Electro-Hydraulic Control Systems:
– The integration of advanced electro-hydraulic control systems has greatly contributed to energy efficiency improvements. By combining electronic control with hydraulic power, these systems enable precise control over cylinder operation, optimizing energy usage. Proportional or servo valves, along with position or force feedback sensors, allow for accurate and responsive control, ensuring that hydraulic cylinders operate at the required level of performance while minimizing energy waste.
5. Energy Recovery Systems:
– Energy recovery systems, such as hydraulic accumulators, have been increasingly utilized to improve energy efficiency in hydraulic cylinder applications. Accumulators store excess energy during low-demand periods and release it when there is a peak demand, reducing the need for the hydraulic pump to provide the full power continuously. By utilizing stored energy, these systems can significantly reduce energy consumption and improve overall system efficiency.
6. Smart Monitoring and Control:
– Advancements in smart monitoring and control technologies have enabled real-time monitoring of hydraulic systems, allowing for optimized energy usage. Integrated sensors, data analytics, and control algorithms provide insights into system performance and energy consumption, enabling operators to make informed decisions and adjustments. By identifying inefficiencies or suboptimal operating conditions, energy consumption can be minimized, leading to improved energy efficiency.
7. System Integration and Optimization:
– The integration and optimization of hydraulic systems as a whole have played a significant role in improving energy efficiency. By considering the entire system layout, component sizing, and interaction between different elements, engineers can design hydraulic systems that operate in the most energy-efficient manner. Proper sizing of components, minimizing pressure drops, and reducing unnecessary piping or valve restrictions all contribute to improved energy efficiency of hydraulic cylinders.
8. Research and Development:
– Ongoing research and development efforts in the field of hydraulic cylinder technology continue to drive energy efficiency advancements. Innovations in materials, component design, system modeling, and simulation techniques help identify areas for improvement and optimize energy usage. Additionally, collaboration between industry stakeholders, research institutions, and regulatory bodies fosters the development of energy-efficient hydraulic cylinder technologies.
In summary, advancements in hydraulic cylinder technology have resulted in notable improvements in energy efficiency. Efficient hydraulic circuit designs, high-efficiency hydraulic fluids, advanced sealing technologies, electro-hydraulic control systems, energy recovery systems, smart monitoring and control, system integration and optimization, as well as ongoing research and development efforts, all contribute to reducing energy consumption and enhancing the overall energy efficiency of hydraulic cylinders. These advancements not only benefit the environment but also offer cost savings and improved performance in various hydraulic applications.

Impact of Hydraulic Cylinders on Overall Productivity of Manufacturing Operations
Hydraulic cylinders play a crucial role in enhancing the overall productivity of manufacturing operations. These versatile devices are widely used in various industrial applications due to their ability to generate powerful and controlled linear motion. Let’s explore how hydraulic cylinders impact the overall productivity of manufacturing operations:
- Powerful Force Generation: Hydraulic cylinders are capable of generating high forces, which enables them to handle heavy loads and perform demanding tasks. By providing the necessary force, hydraulic cylinders facilitate efficient and effective operation of machinery and equipment in manufacturing processes. This ability to exert substantial force contributes to increased productivity by enabling the handling of larger workpieces, enhancing process efficiency, and reducing manual labor requirements.
- Precision and Control: Hydraulic cylinders offer precise control over the movement of loads, allowing for accurate positioning, alignment, and repetitive tasks. The smooth and controlled linear motion provided by hydraulic cylinders ensures precise operation in manufacturing processes, such as assembly, material handling, and machining. This precision and control minimize errors, rework, and scrap, leading to improved productivity and higher-quality output.
- Speed and Efficiency: Hydraulic cylinders can operate at high speeds, enabling rapid movement and cycle times in manufacturing operations. The combination of high force and speed allows for faster operation of machinery and equipment, reducing production cycle times and increasing overall throughput. By optimizing the speed and efficiency of manufacturing processes, hydraulic cylinders contribute to improved productivity and output.
- Flexibility and Adaptability: Hydraulic cylinders are highly flexible and adaptable to different manufacturing applications. They can be customized to meet specific requirements, such as load capacity, stroke length, and mounting options. This versatility allows hydraulic cylinders to be integrated into a wide range of machinery and equipment, accommodating diverse manufacturing needs. The ability to adapt to different tasks and environments enhances overall productivity by enabling efficient utilization of resources and facilitating process optimization.
- Reliability and Durability: Hydraulic cylinders are known for their robustness and durability, making them suitable for demanding manufacturing environments. Their ability to withstand heavy loads, repeated use, and harsh operating conditions ensures reliable performance over extended periods. Minimizing downtime due to cylinder failure or maintenance requirements contributes to increased productivity and uninterrupted manufacturing operations.
In summary, hydraulic cylinders have a significant impact on the overall productivity of manufacturing operations. Their powerful force generation, precision and control, speed and efficiency, flexibility and adaptability, as well as reliability and durability, contribute to optimized processes, increased throughput, improved quality, and reduced labor requirements. By leveraging the capabilities of hydraulic cylinders, manufacturers can enhance productivity, streamline operations, and achieve greater efficiency in their manufacturing processes.

Can you provide real-world examples of machinery that heavily rely on hydraulic cylinders?
Hydraulic cylinders are widely used in various industries and applications due to their ability to provide powerful and precise linear motion. They play a crucial role in enabling the operation of heavy machinery that requires controlled force and movement. Here are some real-world examples of machinery that heavily rely on hydraulic cylinders:
1. Construction Equipment:
– Hydraulic cylinders are extensively used in construction machinery, such as excavators, bulldozers, loaders, and cranes. These machines rely on hydraulic cylinders to perform tasks like lifting heavy loads, extending and retracting booms, tilting buckets, and controlling the movement of various components. Hydraulic cylinders provide the power and precision required to handle the demanding conditions and heavy loads encountered in construction projects.
2. Agricultural Machinery:
– Many agricultural machines, including tractors, combine harvesters, and sprayers, utilize hydraulic cylinders for critical operations. Hydraulic cylinders are used to control the movement of attachments, such as front loaders, backhoes, and plows. They enable functions like lifting and lowering implements, adjusting cutting heights, and controlling the positioning of harvesting equipment. Hydraulic cylinders enhance efficiency and productivity in agricultural operations.
3. Material Handling Equipment:
– Hydraulic cylinders are integral components of material handling equipment, such as forklifts, pallet jacks, and cranes. These machines rely on hydraulic cylinders to lift and lower loads, tilt platforms or forks, and control the movement of lifting mechanisms. Hydraulic cylinders provide the necessary strength and precision to handle heavy loads and ensure safe and efficient material handling operations.
4. Industrial Machinery:
– Various industrial machinery and equipment heavily rely on hydraulic cylinders for critical functions. Examples include hydraulic presses, injection molding machines, metal-forming machines, and hydraulic-powered robots. Hydraulic cylinders enable precise control of force and movement in these applications, allowing for accurate shaping, pressing, and assembly processes.
5. Mining Equipment:
– Hydraulic cylinders are extensively used in mining machinery and equipment. Underground mining machines, such as continuous miners and longwall shearers, utilize hydraulic cylinders for cutting, shearing, and roof support operations. Surface mining equipment, including hydraulic shovels, draglines, and haul trucks, rely on hydraulic cylinders for tasks like bucket movement, boom extension, and vehicle suspension.
6. Automotive Industry:
– The automotive industry extensively utilizes hydraulic cylinders in various applications. Hydraulic cylinders are employed in vehicle suspension systems, power steering systems, convertible tops, and hydraulic brake systems. They enable smooth and controlled movement, precise steering, and efficient braking in automobiles.
7. Aerospace and Aviation:
– Hydraulic cylinders are utilized in aerospace and aviation applications, such as aircraft landing gear systems, wing flaps, and cargo handling equipment. Hydraulic cylinders provide the necessary force and control for extending and retracting landing gear, adjusting wing flaps, and operating cargo doors, ensuring safe and reliable aircraft operations.
8. Marine and Offshore Industry:
– Hydraulic cylinders are essential components in marine and offshore equipment, including ship cranes, winches, and hydraulic-powered anchor systems. They enable lifting, lowering, and positioning of heavy loads, as well as the control of various marine equipment.
These are just a few examples of machinery and industries that heavily rely on hydraulic cylinders. The versatility, power, and precise control offered by hydraulic cylinders make them indispensable in a wide range of applications, where controlled linear motion and force are essential.


editor by CX 2023-11-03