Product Description
Company Profile
ZheJiang CHINAMFG Hydraulic Co., Ltd. (Stock Code: 83 0571 ), founded in June 2004, is a domestic medium and high pressure hydraulic cylinder supplier integrating R&D, production, sales and service. Its main products include 3 series of hydraulic cylinders for dump trucks, hydraulic cylinders for mechanical equipment and hydropneumatic springs.
The company’s management team and main technical personnel are stable. We has constantly innovated from the actual needs of customers, has gradually positioned the medium and high-end market, and has provided high-quality products for customers in automobile, coal mine, petroleum, engineering machinery and other industries with high-quality service.
Product Description and Specification
This product is a North American-style front-end telescopic cylinder. It has received high acclaim from customers.
Our product advantage lies in:
1.The North American advanced processing technology is adopted to ensure the stable performance.
2.High quality alloy seamless steel pipe are adopted to keep big lifting capacity and light weight.
3.The application of imperial size makes it easy to replace the seals and other accessories.
4.Superior chrome-plating technology improves the corrosion resistance and hardness of cylinders.
5.The world famous brands of seals such as HALLITE, CHINAMFG and NOK ensure the sealing performance.
To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
| Model | The first stage rod diameter | Stroke | Closed length | Open length |
| WTPK 3TG F5*72 | 5″ | 1829mm | 945mm | 2773mm |
| WTPK 3TG F5*84 | 5″ | 2134mm | 1046mm | 3180mm |
| WTPK 3TG F5*107 | 5″ | 2732mm | 1229mm | 3961mm |
| WTPK 3TG F5*126 | 5″ | 3216mm | 1386mm | 4602mm |
| WTPK 3TG F6*86 | 6″ | 3216mm | 1038mm | 3241mm |
| WTPK 3TG F6*104 | 6″ | 2640mm | 1194mm | 3834mm |
| WTPK 3TG F6*107 | 6″ | 2732mm | 1289mm | 3961mm |
| WTPK 3TG F6*111 | 6″ | 2819mm | 1268mm | 4087mm |
| WTPK 3TG F6*120 | 6″ | 3048mm | 1359mm | 4407mm |
| WTPK 3TG F6*126 | 6″ | 3208mm | 1386mm | 4594mm |
| WTPK 3TG F6*140 | 6″ | 3562mm | 1519mm | 5081mm |
| WTPK 4TG F6*135 | 6″ | 3429mm | 1199mm | 4628mm |
| WTPK 4TG F6*156 | 6″ | 3962mm | 1362mm | 5324mm |
| WTPK 3TG F7*110 | 7″ | 2810mm | 1271mm | 4081mm |
| WTPK 3TG F7*120 | 7″ | 3048mm | 1349mm | 4397mm |
| WTPK 3TG F7*124 | 7″ | 3172mm | 1392mm | 4564mm |
| WTPK 3TG F7*129 | 7″ | 3277mm | 1435mm | 4712mm |
| WTPK 3TG F7*140 | 7″ | 3567mm | 1524mm | 5091mm |
| WTPK 3TG F7*150 | 7″ | 3810mm | 1613mm | 5423mm |
| WTPK 4TG F7*120 | 7″ | 3048mm | 1349mm | 4168mm |
| WTPK 4TG F7*135 | 7″ | 3429mm | 1230mm | 4659mm |
| WTPK 4TG F7*140 | 7″ | 3556mm | 1263mm | 4819mm |
| WTPK 4TG F7*156 | 7″ | 3962mm | 1365mm | 5327mm |
| WTPK 4TG F7*161 | 7″ | 4108mm | 1405mm | 5513mm |
| WTPK 4TG F7*167 | 7″ | 4242mm | 1432mm | 5674mm |
| WTPK 4TG F7*180 | 7″ | 4572mm | 1552mm | 6124mm |
| WTPK 4TG F8*148 | 8″ | 3753mm | 1308mm | 5061mm |
| WTPK 4TG F8*156 | 8″ | 3962mm | 1365mm | 5327mm |
| WTPK 4TG F8*161 | 8″ | 4064mm | 1416mm | 5480mm |
| WTPK 4TG F8*170 | 8″ | 4318mm | 1454mm | 5481mm |
| WTPK 4TG F8*180 | 8″ | 4572mm | 1518mm | 6090mm |
| WTPK 5TG F8*170 | 8″ | 4318mm | 1267mm | 5585mm |
| WTPK 5TG F8*190 | 8″ | 4800mm | 1387mm | 6188mm |
| WTPK 5TG F8*220 | 8″ | 5588mm | 1524mm | 7122mm |
| WTPK 5TG F8*235 | 8″ | 5944mm | 1641mm | 7585mm |
| WTPK 5TG F8*250 | 8″ | 6325mm | 1743mm | 8068mm |
| WTPK 5TG F9*265 | 9″ | 6731mm | 1844mm | 8575mm |
| WTPK 5TG F9*280 | 9″ | 7112mm | 1997mm | 9109mm |
| WTPK 5TG F9*300 | 9″ | 7620mm | 2007mm | 9627mm |
| WTPK 5TG F9*320 | 9″ | 8129mm | 2108mm | 9628mm |
| WTPK 5TG F9*340 | 9″ | 8636mm | 2210mm | 10846mm |
Quality Guarantee System
1. Trial Operation Test
2. Start-up Pressure Test
3. Pressure-Tight Test
4. Leak Test
5. Full Stroke Test
6. Buffer Test
7. Testing the Effect of Limit
8. Load Efficiency Test
9. Reliability Test
Every piece of hydraulic cylinder are tested and will send out only after they are pasted the each test. Our company has abundant technical force and perfect testing means. By making wide technical and business cooperation with many related enterprises, universities, colleges and institutes both at home and abroad, and employing senior engineers and software engineers, we have greatly strengthened and improved our designing, processing, and testing abilities.
Machining Equipment
Our company have 700 sets manufacturing equipment, such as cold drawing production line, heat treatment production line, surface treatment production line, testing equipment, various digital-control machining equipment, gantry style linear electroplating production line.
Certificate And Our Customers
Domestic Marketing Locations
The company’s products are widely sold in ZheJiang , ZheJiang , ZheJiang , ZheJiang , ZheJiang , ZheJiang , ZheJiang , ZheJiang , ZheJiang and other more than 20 provinces, municipalities and autonomous regions.
Foreign Marketing Locations
Our products are exported to the United States, Canada, Mexico, Russia, South Africa, Indonesia and other Europe, America, South America, Southeast Asia.
After Service
1.Pre-sale service: Keep communicating with the truck manufacturers , including selection of product model , design of hydraulic system, test of performance and analysis of the accident. Once the problems occur, we will solve them immediately together with truck manufacturers.
2.The sale service: Provide training and technical support for users.
3.After-sale service: Solve the problem firstly, then analyse responsibility ; Replace the system components immediately if any need.
4.24 hours telephone service hotline.
FAQ
Q1:What’s the brand name of your products ?
A:Generally, we use our own brand “WTJX”, OEM is also available as required.
Q2:Hydraulic cylinder internal leakage?
A: There are 3 main reasons causing internal leakage : Overload, polishing is not well controlled, bad seal kits. As is known to all, vehicles in China are often overload,our products all designed to bear the overload power. We have numerical control machine to assure the polish processing. And we use the imported seals to meet customers’ demands.
Q3:Does your piston rod get ruptured easily?
A: Hard chrome plating quenched and tempered 45# steel for piston rod to assure sufficient hardness and toughness.
Q4:What about the quality feedback of your products?
A: Guarantee the quality from the raw material. We have cold drawing production line and nickel-chrome electroplating production line, so we can produce cold-drawing pipe and hard-chrome pipe used for hydraulic cylinder!
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How do hydraulic cylinders handle variations in temperature and harsh operating environments?
Hydraulic cylinders are designed to handle variations in temperature and harsh operating environments by incorporating specific features and materials that ensure their durability, reliability, and performance. The ability of hydraulic cylinders to withstand extreme temperatures, corrosive environments, and other harsh conditions is crucial for their successful operation in a wide range of applications. Here’s a detailed explanation of how hydraulic cylinders handle variations in temperature and harsh operating environments:
1. Temperature Range:
– Hydraulic cylinders are designed to operate within a specified temperature range. The materials used in their construction, such as cylinder barrels, pistons, seals, and lubricants, are selected to withstand the anticipated temperature variations. Specialized seals and O-rings made from materials like nitrile, Viton, or polyurethane are used to maintain their sealing properties over a wide temperature range. Heat-resistant coatings or thermal insulation may be applied to certain components to protect them from high temperatures.
2. Thermal Expansion:
– Hydraulic cylinders are designed to accommodate thermal expansion and contraction that occurs with temperature changes. The materials used in their construction have different coefficients of thermal expansion, allowing the cylinder components to expand or contract at a similar rate. This design consideration prevents excessive stress, binding, or leakage that could result from thermal expansion or contraction.
3. Heat Dissipation:
– In applications where hydraulic cylinders are subjected to high temperatures, heat dissipation mechanisms are employed to prevent overheating. Cooling fins or heat sinks may be incorporated into the cylinder design to increase the surface area for heat transfer. In some cases, external cooling methods such as air or liquid cooling systems can be used to maintain optimal operating temperatures.
4. Corrosion Resistance:
– Hydraulic cylinders used in harsh operating environments are constructed from materials that exhibit excellent corrosion resistance. Stainless steel, chrome-plated steel, or other corrosion-resistant alloys are commonly used for cylinder components exposed to corrosive substances or environments. Additionally, surface treatments such as coatings, plating, or specialized paints can provide an extra layer of protection against corrosion.
5. Sealing Systems:
– Hydraulic cylinders employ sealing systems that are specifically designed to withstand harsh operating environments. The seals used in hydraulic cylinders are selected based on their resistance to temperature extremes, chemicals, abrasion, and other environmental factors. Specialized seal designs, such as wiper seals, rod seals, or high-temperature seals, are utilized to maintain effective sealing and prevent contamination of the hydraulic fluid.
6. Lubrication:
– Proper lubrication is essential for the smooth operation and longevity of hydraulic cylinders, particularly in harsh operating environments. Lubricants are selected based on their ability to withstand high temperatures, resist oxidation, and provide effective lubrication under extreme conditions. Regular maintenance and lubrication practices ensure that the cylinder components continue to operate smoothly and reduce the effects of wear and friction.
7. Robust Construction:
– Hydraulic cylinders designed for harsh operating environments are built with robust construction techniques to withstand the rigors of such conditions. The cylinder barrels, rods, and other components are manufactured to meet strict quality and durability standards. Welded or bolted construction methods are employed to ensure the structural integrity of the cylinders. Reinforcements, such as flanges or tie rods, may be added to enhance the cylinder’s strength and resistance to external forces.
8. Environmental Protection:
– Hydraulic cylinders can be equipped with additional protective features to shield them from harsh operating environments. Protective covers, boots, or bellows can be used to prevent contaminants, debris, or moisture from entering the cylinder and compromising its performance. These protective measures help extend the service life of hydraulic cylinders in demanding conditions.
9. Compliance with Standards:
– Hydraulic cylinders manufactured for specific industries or applications often comply with industry standards or regulations related to operating temperature ranges, environmental conditions, or safety requirements. Compliance with these standards ensures that hydraulic cylinders are designed and tested to meet the specific demands of their intended operating environments.
In summary, hydraulic cylinders are designed to handle variations in temperature and harsh operating environments by incorporating suitable materials, thermal expansion considerations, heat dissipation mechanisms, corrosion-resistant components, specialized sealing systems, proper lubrication, robust construction techniques, protective features, and compliance with industry standards. These design considerations and features enable hydraulic cylinders to operate reliably and effectively in a wide range of demanding applications and environmental conditions.
Customization of Hydraulic Cylinders for Marine and Offshore Applications
Yes, hydraulic cylinders can be customized for use in marine and offshore applications. These environments present unique challenges, such as exposure to corrosive saltwater, high humidity, and extreme operating conditions. Customization allows hydraulic cylinders to meet the specific requirements and withstand the harsh conditions encountered in marine and offshore settings. Let’s delve into the details of how hydraulic cylinders can be customized for marine and offshore applications:
- Corrosion Resistance: Marine and offshore environments expose hydraulic cylinders to corrosive elements, such as saltwater. To mitigate corrosion, hydraulic cylinders can be customized with materials and surface treatments that provide enhanced corrosion resistance. For example, cylinders can be constructed from stainless steel or coated with protective layers like chrome plating or specialized coatings to withstand the corrosive effects of saltwater.
- Sealing and Environmental Protection: Hydraulic cylinders for marine and offshore applications require robust sealing systems to prevent water ingress and protect internal components. Customized sealing solutions, such as high-quality seals, wipers, and gaskets, can be employed to ensure effective sealing and resistance to water, debris, and contaminants. Additionally, hydraulic cylinders can be designed with protective features like bellows or boots to shield vulnerable areas from environmental elements.
- High-Pressure and Shock Resistance: Marine and offshore operations may involve high-pressure hydraulic systems and encounters with dynamic loads or shocks. Customized hydraulic cylinders can be engineered to withstand these demanding conditions. They can be designed with reinforced construction, thicker walls, and specialized components to handle high-pressure applications and absorb shock loads, ensuring reliable performance and durability.
- Temperature and Fluid Compatibility: Marine and offshore applications can expose hydraulic cylinders to extreme temperature variations and specific fluid requirements. Customization allows the selection of materials, seals, and fluids compatible with the anticipated temperature range and the specific fluid being used. Hydraulic cylinders can be tailored to maintain optimal performance and reliability under challenging temperature conditions and with the designated fluid type.
- Mounting and Integration: Customized hydraulic cylinders can be designed to facilitate easy integration and mounting within marine and offshore machinery. Mounting options can be tailored to suit the available space and structural requirements of the equipment. Additionally, customized hydraulic cylinder designs can incorporate features for easy maintenance, accessibility, and connection to the hydraulic system, ensuring convenient installation and serviceability in marine and offshore applications.
In summary, hydraulic cylinders can be customized to meet the unique demands of marine and offshore applications. Customization enables the integration of corrosion-resistant materials, robust sealing systems, high-pressure and shock-resistant designs, temperature and fluid compatibility, as well as optimized mounting and integration features. By tailoring hydraulic cylinders to the specific requirements of marine and offshore environments, reliable performance, extended service life, and efficient operation can be achieved in these challenging operating conditions.
Can you explain the role and significance of hydraulic cylinders in machinery?
Hydraulic cylinders play a crucial role in machinery across various industries. They are essential components that provide controlled and powerful linear motion, enabling the operation of heavy equipment and facilitating numerous tasks. The role and significance of hydraulic cylinders in machinery can be explained in detail as follows:
Role of Hydraulic Cylinders:
– Conversion of Hydraulic Energy: Hydraulic cylinders convert hydraulic energy, typically in the form of pressurized hydraulic fluid, into linear force and motion. This conversion allows machinery to perform tasks such as lifting, pushing, pulling, clamping, tilting, and controlling various mechanisms.
– Generation of Linear Motion: Hydraulic cylinders generate linear motion by utilizing the principles of Pascal’s law. When hydraulic fluid is directed into one side of the cylinder, it applies pressure on the piston, resulting in linear movement of the piston and the attached piston rod. This linear motion can be used to actuate other components within the machinery or directly perform the required task.
– Force Generation: Hydraulic cylinders are capable of generating high forces due to the hydraulic pressure applied to the piston. The force output of a hydraulic cylinder depends on the surface area of the piston and the pressure of the hydraulic fluid. This force allows machinery to exert significant power for lifting heavy loads, applying pressure, or overcoming resistance.
– Precise Control: Hydraulic cylinders offer precise control over the linear motion and force exerted. By regulating the flow of hydraulic fluid, the speed and direction of the cylinder’s movement can be accurately adjusted. This level of control is crucial in machinery that requires precise positioning, delicate movements, or synchronization of multiple cylinders.
– Integration with Hydraulic Systems: Hydraulic cylinders are integral parts of hydraulic systems used in machinery. They work in conjunction with hydraulic pumps, valves, and actuators to create a complete hydraulic circuit. This integration allows for efficient power transmission, control, and coordination of various machine functions.
Significance of Hydraulic Cylinders:
– Heavy Equipment Operation: Hydraulic cylinders are vital in heavy machinery used in construction, mining, agriculture, material handling, and other industries. They enable the lifting and movement of heavy loads, the operation of attachments, and the performance of tasks that require high force and precision.
– Versatility and Adaptability: Hydraulic cylinders are versatile components that can be designed and tailored to meet specific machinery requirements. They can be integrated into various types of equipment and customized based on factors such as force capacity, stroke length, speed, and mounting options. This adaptability makes hydraulic cylinders suitable for diverse applications.
– Durability and Reliability: Hydraulic cylinders are built to withstand rigorous operating conditions, including high pressures, heavy loads, and continuous use. They are designed with robust materials, precise machining, and effective sealing systems to ensure durability and reliability over extended periods of operation.
– Safety and Load Control: Hydraulic cylinders provide safe and controlled operation in machinery. They offer overload protection mechanisms, such as relief valves, to prevent damage caused by excessive force or pressure. Additionally, hydraulic cylinders allow for precise load control, minimizing the risk of accidents during lifting, lowering, or positioning of heavy loads.
– Compact Design: Hydraulic cylinders offer a high power-to-size ratio, allowing for compact machinery design. Their relatively small size compared to the forces they can generate makes them suitable for applications where space is limited or weight restrictions apply.
– Energy Efficiency: Hydraulic cylinders contribute to energy efficiency in machinery. The use of hydraulic systems allows for the transfer of power over long distances without significant power losses. Additionally, hydraulic cylinders can incorporate energy-saving features such as load-sensing technology and regenerative circuits, reducing energy consumption.
Overall, hydraulic cylinders play a vital role in machinery by providing controlled and powerful linear motion. Their significance lies in their ability to convert hydraulic energy, generate high forces, offer precise control, integrate with hydraulic systems, and facilitate the operation of heavy equipment across various industries. Hydraulic cylinders contribute to increased productivity, safety, and efficiency in machinery applications, making them indispensable components in modern-day engineering.
editor by Dream 2024-11-28