Product Description
ZheJiang CHINAMFG Hydraulic Co., Ltd is specialized in hydraulic products Design, R&D and Manufacturing.
We mainly produce Hydraulic Cylinders for the Trucks, Coal Mining Industry, Metal Forming Industry Ship Industry, Oil Rigs and CHINAMFG Engineering.Also we can design and manufacture various special purpose hydraulic cylinders according to customer design and requirements as agriculture industry, 6 DOF platform, machine tools, etc.
Our annual capacity is 200,000 pcs of cylinders which makes our company an important production base for Hydraulic Cylinders in China.
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 accepance 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;
Technical specification Description:
| Material | 27SiMn, 40CrMo, ST52, 45# |
| Honed tube | Heat treatment, honing, rolling |
| Piston rod | Tempering, plated nickel, Chrome |
| Working Pressure | As hydraulic cylinder request |
| Seals | Imported seals, like Parker, Hallite, NOK, etc, are usually used to extend the working life of hydraulic cylinders. |
| Customer Oriented Service Concept | The delivery time, packaging and special requirements etc can be met strictly according to the customers’ requirements |
| Coating | Sandblasting, primer paint, middle paint, finish paint |
| Rich Market Experiences | Many years cooperation with famous brands, like SINOTRUK, CIMC, JAC, SHACMAN, ZMJ and YANKUANG GROUP |
| Strict Quality Control | Raw material entering to factory and up |
| Package | Pallet, Wooden Case or as Customer’s Requirement |
| Mounting style | Earrings, flange,screw thread etc |
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
Our front end cylinder for tipper system have market share of top 3 in china.
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: | Steel |
|---|---|
| Usage: | Garbage Truck |
| Structure: | General Cylinder |
| Power: | Hydraulic |
| Standard: | Standard, Nonstandard |
| Bore Diameter: | 63mm |
| Customization: |
Available
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Can single-acting hydraulic cylinders be used in aerospace applications?
Yes, single-acting hydraulic cylinders can be used in aerospace applications. Here’s a detailed explanation:
Aerospace engineering involves designing and manufacturing aircraft and spacecraft, which require precise control and reliable actuation systems. Single-acting hydraulic cylinders are utilized in certain aerospace applications due to their ability to provide controlled linear motion and force.
Here are some examples of how single-acting hydraulic cylinders are used in aerospace:
1. Landing Gear Systems: Landing gear systems in aircraft play a crucial role in takeoff, landing, and taxiing. Single-acting hydraulic cylinders are commonly employed in these systems to extend and retract the landing gear. The cylinders provide the necessary force to support the aircraft’s weight and ensure smooth landing gear operation.
2. Cargo Doors and Access Panels: Aircraft cargo doors and access panels require controlled opening and closing mechanisms. Single-acting hydraulic cylinders are used to actuate these doors and panels, providing the force needed to move them and secure them in place during flight.
3. Flight Control Surfaces: Single-acting hydraulic cylinders are also applied in aircraft flight control systems. These systems control the movement of flight control surfaces such as ailerons, elevators, and rudders, which are essential for maneuvering the aircraft. Hydraulic cylinders provide the necessary force to actuate these surfaces, enabling precise control and maneuverability.
4. Thrust Reverser Systems: In some aircraft, thrust reverser systems are used to assist with deceleration during landing. Single-acting hydraulic cylinders are involved in these systems, helping to deploy and stow the thrust reverser mechanisms, which redirect engine thrust forward to assist in braking.
5. Spacecraft Applications: Single-acting hydraulic cylinders find applications in spacecraft systems as well. They can be used for functions such as deploying scientific instruments, extending solar panels, or controlling antenna movement. The cylinders provide reliable and controlled linear motion in the harsh conditions of space.
It is important to note that aerospace applications have stringent requirements for reliability, weight reduction, and safety. Single-acting hydraulic cylinders used in aerospace must meet rigorous standards and undergo extensive testing and certification processes to ensure their performance and reliability in extreme operating conditions.
In summary, single-acting hydraulic cylinders are employed in various aerospace applications, including landing gear systems, cargo doors and access panels, flight control surfaces, thrust reverser systems, and spacecraft applications. Their ability to provide controlled linear motion and force makes them valuable components in achieving precise actuation and control in aerospace engineering.
Can single-acting hydraulic cylinders be applied in marine and offshore equipment?
Yes, single-acting hydraulic cylinders can be applied in marine and offshore equipment. Here’s a detailed explanation:
Marine and offshore equipment operate in challenging environments, including exposure to saltwater, high humidity, and extreme weather conditions. Single-acting hydraulic cylinders offer several advantages that make them suitable for use in such applications. Here are some key points on the application of single-acting hydraulic cylinders in marine and offshore equipment:
1. Corrosion Resistance: Marine and offshore environments are highly corrosive due to the presence of saltwater. Single-acting hydraulic cylinders can be manufactured using materials that provide excellent corrosion resistance, such as stainless steel or corrosion-resistant coatings. This ensures the longevity and reliability of the cylinders, even in harsh marine conditions. The resistance to corrosion helps prevent premature failure and reduces maintenance requirements.
2. Compact Design: Space is often limited on marine vessels and offshore platforms. Single-acting hydraulic cylinders have a compact design, allowing them to be installed in confined spaces and integrated into the equipment efficiently. The compact size also contributes to weight savings, which is crucial in marine and offshore applications where weight restrictions are common.
3. Load Handling: Single-acting hydraulic cylinders are capable of handling heavy loads, making them suitable for various marine and offshore equipment applications. They can be used to operate cranes, winches, lifting mechanisms, and other load-handling systems. The cylinders’ ability to generate high force in one direction provides efficient load lifting and control, contributing to the overall productivity and safety of marine and offshore operations.
4. Shock and Vibration Resistance: Marine and offshore equipment are subjected to significant shock and vibration during operation. Single-acting hydraulic cylinders are designed to withstand these dynamic forces. They can be equipped with features like shock absorbers, dampeners, or cushioning mechanisms to minimize the impact of shocks and vibrations. This helps protect the cylinders from damage and ensures reliable performance in demanding marine and offshore environments.
5. Environmental Sealing: Single-acting hydraulic cylinders can be equipped with environmental sealing measures to protect them from water ingress, dust, and other contaminants. Seals and gaskets are used to create a barrier between the cylinder’s internal components and the external environment. This sealing prevents water and contaminants from compromising the cylinder’s performance and extends its service life in marine and offshore applications.
6. Safety Considerations: Marine and offshore operations prioritize safety. Single-acting hydraulic cylinders can incorporate safety features such as pressure relief valves, emergency stop mechanisms, or fail-safe systems. These features help prevent overloading, sudden movements, or system failures, ensuring the safety of personnel and equipment in marine and offshore environments.
When selecting single-acting hydraulic cylinders for marine and offshore equipment, it is important to consider factors such as load requirements, environmental conditions, industry standards, and certifications. Compliance with relevant regulations and guidelines is essential to ensure the safe and reliable operation of the equipment.
In summary, single-acting hydraulic cylinders can be successfully applied in marine and offshore equipment due to their corrosion resistance, compact design, load handling capabilities, shock and vibration resistance, environmental sealing, and safety considerations. These features make them well-suited for the demanding conditions encountered in marine and offshore operations.
Can single-acting hydraulic cylinders be repaired or maintained when necessary?
Yes, single-acting hydraulic cylinders can be repaired and maintained when necessary. Here’s a detailed explanation:
1. Inspection and Assessment: When a single-acting hydraulic cylinder requires repair or maintenance, the first step is to conduct a thorough inspection and assessment. This involves examining the cylinder for any signs of wear, damage, leakage, or performance issues. The inspection helps identify the specific areas that need attention and guides the repair and maintenance process.
2. Seal Replacement: One of the common maintenance tasks for single-acting hydraulic cylinders is seal replacement. Over time, the seals can wear out or become damaged, leading to leaks and decreased performance. By replacing the seals, the cylinder can regain its proper functioning and prevent further issues.
3. Component Replacement: Depending on the extent of the damage or wear, it may be necessary to replace certain components of the single-acting hydraulic cylinder. This can include the piston, rod, cylinder barrel, or other internal parts that have experienced significant deterioration. Component replacement ensures the cylinder’s reliability and extends its service life.
4. Cleaning and Lubrication: During the repair and maintenance process, it is important to clean the single-acting hydraulic cylinder thoroughly. This involves removing any dirt, debris, or contaminants that may have accumulated. Additionally, proper lubrication of the cylinder’s moving parts is essential to reduce friction, prevent excessive wear, and promote smooth operation.
5. Testing and Adjustment: After the repair and maintenance tasks are completed, it is crucial to test the single-acting hydraulic cylinder to ensure its proper functionality. This may involve conducting pressure tests, checking for leaks, and verifying the cylinder’s movement and force output. If necessary, adjustments can be made to fine-tune the cylinder’s performance.
6. Preventive Maintenance: Implementing a preventive maintenance program is beneficial for single-acting hydraulic cylinders. Regularly scheduled maintenance activities, such as inspection, cleaning, lubrication, and minor adjustments, can help identify and address potential issues before they escalate. Preventive maintenance minimizes unexpected breakdowns, extends the cylinder’s lifespan, and ensures optimal performance.
7. Expert Assistance: In some cases, complex repairs or maintenance tasks may require the expertise of hydraulic professionals or specialized technicians. These professionals have in-depth knowledge and experience in repairing and maintaining hydraulic cylinders. Seeking expert assistance can help ensure that the repairs are performed correctly and effectively.
In summary, single-acting hydraulic cylinders can be repaired and maintained when necessary. The process typically involves inspection and assessment, seal replacement, component replacement, cleaning and lubrication, testing and adjustment, preventive maintenance, and seeking expert assistance when required. By following proper repair and maintenance procedures, the cylinder’s performance, reliability, and service life can be enhanced.
editor by CX 2023-10-22