Product Description

Company Introduction:
 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 make 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;

 

HS Code 8412210000
Application Dump truck
Material of cylinder tube Alloy steel
Seal Hallite, NOK, Guarnitec, Parker
Coating All tubes are chrome plated
Working pressure 16Mpa
Stroke 5700 0mm
Color red black blue gray, according to customer’s requirement
Mounting Type Earring-trunnion, double trunnion, double earring (eye end), Pin to pin botton
Certification ISO/TS16949
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.

Material: Steel
Structure: General Cylinder
Power: Hydraulic
Standard: Standard
Pressure Direction: Single-acting Cylinder
Double-Acting Cylinder Type: Common Cylinder
Customization:
Available

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hydraulic cylinder

Can hydraulic rams be repaired or maintained when needed?

Yes, hydraulic rams can be repaired and maintained when needed. Here’s a detailed explanation:

1. Repair: If a hydraulic ram is damaged or not functioning correctly, it can be repaired. The specific repair process will depend on the nature and extent of the damage. Common repairs may involve replacing worn-out seals, repairing or replacing damaged cylinders or pistons, fixing leaks, or addressing issues with the hydraulic fluid system. It is important to follow the manufacturer’s guidelines and consult with hydraulic repair professionals to ensure proper repair procedures are followed.

2. Maintenance: Regular maintenance is crucial to keep hydraulic rams in optimal working condition. Maintenance tasks may include inspecting the ram for signs of wear or damage, checking and replacing seals as necessary, cleaning or replacing filters, monitoring fluid levels and quality, and lubricating moving parts. Following a maintenance schedule and adhering to manufacturer recommendations helps prevent potential failures and ensures the longevity and reliable operation of the hydraulic ram.

3. Troubleshooting: When issues arise with a hydraulic ram, troubleshooting techniques can be employed to identify the root cause of the problem. This may involve checking for leaks, examining hydraulic fluid pressure and flow, inspecting electrical or mechanical components, or using diagnostic tools. Troubleshooting helps pinpoint the specific issue and facilitates effective repairs or maintenance.

4. Professional Assistance: In some cases, repairing or maintaining a hydraulic ram may require the expertise of hydraulic technicians or professionals. They have the knowledge, skills, and specialized tools to diagnose and address complex issues. When dealing with intricate hydraulic systems or if the repair or maintenance task is beyond your capabilities, it is advisable to seek professional assistance to ensure the proper and safe handling of the hydraulic ram.

5. Documentation: It is important to maintain proper documentation of repairs and maintenance performed on hydraulic rams. This includes recording the date of service, details of the performed tasks, replacement parts used, and any observations or recommendations. Documentation helps track the history of the hydraulic ram, assists in future maintenance planning, and provides valuable information for troubleshooting purposes.

By conducting necessary repairs, adhering to a regular maintenance schedule, employing troubleshooting techniques, seeking professional assistance when required, and maintaining detailed documentation, hydraulic rams can be effectively repaired and maintained. This ensures their continued functionality, reliability, and longevity.

hydraulic cylinder

How does a hydraulic ram handle variations in hydraulic hose technology?

A hydraulic ram is designed to handle variations in hydraulic hose technology. Here’s a detailed explanation:

1. Compatibility: Hydraulic rams are designed to be compatible with various types of hydraulic hoses available in the market. Hydraulic hoses come in different sizes, materials, and specifications, and hydraulic ram manufacturers ensure that their products can accommodate these variations. The hydraulic ram’s connectors, fittings, and seals are designed to match standard hydraulic hose sizes and connections, allowing for easy integration and compatibility.

2. Pressure Ratings: Hydraulic hoses have specific pressure ratings that indicate the maximum pressure they can withstand. Hydraulic rams are engineered to operate within the pressure limits specified by the hydraulic hoses. The hydraulic ram’s components, such as seals and cylinders, are designed and selected to handle the maximum pressure rating of the hydraulic hose to ensure safe and reliable operation. This consideration allows hydraulic rams to effectively handle variations in hydraulic hose technology.

3. Flexibility and Bend Radius: Hydraulic hoses can have different levels of flexibility and bend radius based on their construction and materials. Hydraulic rams are designed to accommodate the flexibility and bend radius requirements of the hydraulic hoses they are used with. The hydraulic ram’s design includes provisions for hose routing, allowing for proper hose installation without excessive bending or strain. By considering the flexibility and bend radius of hydraulic hoses, hydraulic rams ensure optimal performance and longevity of the hose assemblies.

4. Fluid Compatibility: Hydraulic hoses are designed to handle specific types of hydraulic fluids, such as mineral oil-based fluids or synthetic fluids. Hydraulic rams are constructed using materials compatible with a wide range of hydraulic fluids. The seals and other components in the hydraulic ram are selected to withstand the chemical properties of the hydraulic fluid used. This compatibility ensures that the hydraulic ram can handle variations in hydraulic hose technology without compromising performance or causing fluid leaks.

5. Industry Standards: Hydraulic hose technology is governed by industry standards and specifications. Hydraulic ram manufacturers adhere to these standards to ensure compatibility and safety. Common standards, such as SAE (Society of Automotive Engineers) or ISO (International Organization for Standardization), provide guidelines for hydraulic hose dimensions, pressure ratings, and performance requirements. Hydraulic rams are designed and manufactured in accordance with these standards to ensure reliable and consistent performance across different hydraulic hose technologies.

In summary, hydraulic rams are designed to handle variations in hydraulic hose technology through compatibility with different hose sizes and connections, consideration of pressure ratings, flexibility and bend radius requirements, fluid compatibility, and adherence to industry standards. These design considerations ensure that hydraulic rams can effectively and safely operate with various hydraulic hose technologies in different applications.

hydraulic cylinder

What is the importance of hydraulic fluid in a hydraulic ram?

Hydraulic fluid plays a critical role in the operation of a hydraulic ram. It serves several important functions that are essential for the ram’s performance and efficiency. Here’s a detailed explanation:

1. Transmitting Power: Hydraulic fluid is a medium that transfers power within the hydraulic ram. When water flows into the ram during the drive phase, it exerts pressure on the hydraulic fluid. This pressure is transmitted to other parts of the ram, such as the valve mechanism or the air vessel, enabling the conversion of hydraulic energy into mechanical work.

2. Lubrication: Hydraulic fluid acts as a lubricant for the moving parts of the hydraulic ram. It reduces friction between components, minimizing wear and tear and ensuring smooth operation. Proper lubrication helps extend the lifespan of the ram and improves its overall efficiency.

3. Heat Dissipation: During the operation of a hydraulic ram, heat is generated due to the conversion of hydraulic energy. Hydraulic fluid helps dissipate this heat, preventing overheating of the ram’s components. Effective heat dissipation maintains the ram’s performance and prevents damage caused by excessive temperatures.

4. Sealing and Contamination Control: Hydraulic fluid provides a sealing function within the ram. It fills the gaps and spaces between components, preventing leakage of water or air. Additionally, hydraulic fluid helps control contamination by forming a barrier that prevents external contaminants, such as dirt or debris, from entering the hydraulic system. This helps maintain the cleanliness and integrity of the ram.

5. Pressure Transmission: Hydraulic fluid is incompressible, allowing it to transmit pressure effectively within the ram. It enables the transfer of hydraulic energy from the water to the various components, ensuring the proper functioning of the ram.

6. Compatibility with Materials: Hydraulic fluid is selected based on its compatibility with the materials used in the hydraulic ram. It should not degrade or damage the ram’s components over time. Proper fluid selection ensures that the hydraulic ram operates reliably and remains in good condition.

Overall, hydraulic fluid is of utmost importance in a hydraulic ram. It transmits power, provides lubrication, dissipates heat, seals the system, controls contamination, transmits pressure, and ensures compatibility with the ram’s materials. These functions contribute to the smooth operation, efficiency, and longevity of the hydraulic ram.

China high quality Contruction Vehicles Front Mount Cylinder RAM Used in Truck System Application   vacuum pump connector	China high quality Contruction Vehicles Front Mount Cylinder RAM Used in Truck System Application   vacuum pump connector
editor by CX 2023-12-12