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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How does a double-acting hydraulic cylinder handle variations in environmental conditions?
A double-acting hydraulic cylinder is designed to handle variations in environmental conditions effectively. Here’s a detailed explanation:
1. Sealing Mechanism: Double-acting hydraulic cylinders are equipped with sealing mechanisms that help protect the internal components from environmental elements. The cylinder is typically sealed with high-quality seals and gaskets that prevent the ingress of contaminants such as dirt, dust, and moisture. This sealing mechanism helps maintain the integrity of the hydraulic system and ensures reliable operation even in challenging environmental conditions.
2. Corrosion Resistance: Double-acting hydraulic cylinders are often constructed from materials that offer excellent corrosion resistance. Common materials used include stainless steel, chrome-plated steel, or other corrosion-resistant alloys. These materials are chosen to withstand exposure to humid or corrosive environments, such as marine applications or outdoor equipment exposed to weather conditions. The corrosion resistance of the cylinder components ensures its durability and performance over an extended period, even in harsh environmental conditions.
3. Temperature Tolerance: Double-acting hydraulic cylinders are designed to handle variations in temperature effectively. The internal components, such as seals and fluids, are selected to withstand a broad temperature range. Specialized seals and hydraulic fluids can be used to maintain proper performance in extreme heat or cold. Additionally, the cylinder’s design may incorporate temperature compensation features to accommodate thermal expansion and contraction, ensuring consistent and reliable operation across different temperature conditions.
4. Contaminant Filtration: Hydraulic systems that utilize double-acting cylinders often incorporate filtration systems to remove contaminants from the hydraulic fluid. Filtration helps prevent the accumulation of particles that can cause wear and damage to the cylinder components. By maintaining clean hydraulic fluid, the cylinder can operate optimally and handle variations in environmental conditions without compromising performance or longevity.
5. Protective Coatings: In certain applications where additional protection is required, double-acting hydraulic cylinders can be coated with protective materials. These coatings provide an extra layer of defense against environmental factors, such as chemical exposure or abrasive particles. Protective coatings can enhance the cylinder’s resistance to wear, corrosion, and other detrimental effects caused by specific environmental conditions.
6. Compatibility with Environmental Sealing: Depending on the specific application and environmental conditions, double-acting hydraulic cylinders can be integrated with environmental sealing measures. For example, in marine or underwater applications, the cylinder can be designed with additional sealing features to prevent water ingress. Such sealing measures ensure that the cylinder operates reliably and safely in challenging environments.
By incorporating sealing mechanisms, corrosion-resistant materials, temperature tolerance, contaminant filtration, protective coatings, and compatibility with environmental sealing, double-acting hydraulic cylinders can effectively handle variations in environmental conditions. This robust design allows them to operate reliably and maintain performance in diverse applications and challenging environments.
How does a double-acting hydraulic cylinder handle variations in cylinder stroke and extension?
A double-acting hydraulic cylinder is designed to handle variations in cylinder stroke and extension effectively. Here’s a detailed explanation:
1. Bidirectional Operation: One of the key advantages of a double-acting hydraulic cylinder is its ability to generate force in both the extending and retracting strokes. This bidirectional operation allows the cylinder to handle variations in stroke and extension. Whether the cylinder needs to extend or retract, hydraulic fluid can be supplied to the appropriate side of the cylinder, enabling the desired movement. This flexibility in operation allows for easy adjustment to accommodate different stroke lengths and extension requirements.
2. Adjustable Stroke Length: Double-acting hydraulic cylinders often feature adjustable stroke lengths. The stroke length refers to the distance the piston can travel within the cylinder. By adjusting the position of the end stops or limit switches, the stroke length of the cylinder can be modified to match specific application requirements. This adjustability enables the cylinder to handle variations in stroke length and extension, allowing for precise positioning and the accommodation of different workpiece sizes or operational needs.
3. Control of Hydraulic Fluid Flow: The flow rate and pressure of the hydraulic fluid can be controlled to manage variations in cylinder stroke and extension. By adjusting the flow control valves and regulating the hydraulic pressure, operators can achieve the desired speed and force during cylinder operation. This control over fluid flow allows for smooth and controlled movement, compensating for any variations in stroke length or extension requirements.
4. Position Sensing and Feedback: Double-acting hydraulic cylinders often incorporate position sensing devices or feedback mechanisms. These sensors can detect the position of the piston within the cylinder and provide feedback to the control system. By monitoring the position feedback, operators can ensure accurate and consistent stroke lengths and extensions. This feedback loop helps to maintain precise control over the cylinder’s movement, compensating for any variations and ensuring reliable performance.
5. Robust Construction and Tolerance Compensation: Double-acting hydraulic cylinders are built with robust construction and designed to handle variations in stroke and extension. They are typically manufactured with close tolerances to minimize internal leakage and ensure efficient operation. Additionally, the seals and piston rings used in the cylinder are designed to accommodate minor variations and provide a reliable and consistent seal, compensating for any tolerance differences and maintaining the integrity of the hydraulic system.
Through bidirectional operation, adjustable stroke length, control of hydraulic fluid flow, position sensing and feedback, as well as robust construction and tolerance compensation, double-acting hydraulic cylinders effectively handle variations in cylinder stroke and extension. These features make them versatile and adaptable components in various industries, including manufacturing, construction, and automation.
How does a double-acting hydraulic cylinder handle variations in hydraulic pressure?
A double-acting hydraulic cylinder is designed to handle variations in hydraulic pressure while maintaining its functionality and performance. Here’s a detailed explanation:
1. Balanced Design: Double-acting hydraulic cylinders are designed with a balanced piston and rod arrangement. This design ensures that the hydraulic pressure acts equally on both sides of the piston, allowing for consistent and balanced force generation. As a result, the cylinder can handle variations in hydraulic pressure without compromising its ability to extend and retract smoothly.
2. Efficient Sealing System: Double-acting cylinders incorporate a sealing system that helps maintain the integrity of the hydraulic fluid and prevents leakage. The piston and rod seals, typically made of materials like rubber or polyurethane, create a tight seal between the piston and the cylinder barrel. This sealing system ensures that hydraulic pressure is effectively contained within the cylinder, reducing the impact of pressure variations on the cylinder’s performance.
3. Pressure Relief Mechanism: In situations where there are significant variations in hydraulic pressure, double-acting hydraulic cylinders may incorporate a pressure relief mechanism. This mechanism allows excess pressure to be released from the cylinder, preventing damage to the seals and other internal components. Pressure relief valves or adjustable relief valves are commonly used to regulate the pressure within the cylinder and protect it from excessive pressure fluctuations.
4. Robust Construction: Double-acting hydraulic cylinders are constructed using high-strength materials such as steel or aluminum. This robust construction enables the cylinder to withstand variations in hydraulic pressure without deformations or failures. The materials used, along with proper engineering and manufacturing techniques, ensure the structural integrity of the cylinder even under challenging pressure conditions.
5. Performance Testing and Quality Control: Manufacturers of double-acting hydraulic cylinders subject their products to rigorous performance testing and quality control measures. These tests evaluate the cylinder’s ability to handle variations in hydraulic pressure, ensuring that it meets the required performance and safety standards. Through these quality control processes, any potential issues related to pressure variations are identified and addressed before the cylinder is deployed.
By employing a balanced design, efficient sealing system, pressure relief mechanisms, robust construction, and thorough quality control, double-acting hydraulic cylinders can effectively handle variations in hydraulic pressure. These features ensure the cylinder’s reliability, longevity, and consistent performance in diverse hydraulic systems and applications.
editor by CX 2023-11-18