Product Description
High Quality CHINAMFG Type Telescopic Hydraulic Cylinder for Dump Truck
No.1 Company Introduction:
ZheJiang CHINAMFG hydraulic co., ltd. sets up in 1995, is a specialized custom hydraulic cylinder for tipper truck manufacturing enterpirise which takes up with design, manufacturer, sell hydraulic products. The company covers an area of 180,000 square meters, with 500 emplayees in it. There are 700 sets of manufacturing equipments, such as cold drawing production lines, surface treatment production line, boring and rolling production line, various of digital-control machining and testing equipment.
>Professional manufacturer& supplier of Hydraulic Cylinders for more than 22 years;
>Hydraulic Cylinders Certification ISO9001:2009, SGS, TS16949, RoHS, CNAS Certification;
>Experience in export North America, Australia, Asia, Middle East, Africa;
>Hydraulic Cylinders can be Make according to client’s requirements;
>The Hydraulic Cylinders can be used for Dump Truck, Tipper Truck, Trailer, Agricultural Machinery, Engineering Machinery, Garbage Truck, Landing Platform etc;
>We are the supplier of Sinotruk, IVECO, AUMAN, BEIBEN TRUCK, CIMC, JMC, Beiben Truck, CAMC, FOTON, JAC, Xihu (West Lake) Dis.n, SHACMAN, most of famous truck manufacturing and refitting company use our telescopic cylinder as first choice.
No.2 Product Details:
| HS Code | 8412210000 |
| Application | Dump truck, Tipper, Trailer |
| Material of cylinder tube | 45 steel, 27SiMn,Carbon steel, Alloy steel and general seamless steel |
| Seal | Hallite, SKF, NOK, Guarnitec, Parker, Merkel, Kaden |
| Coating | Hard Chrome 0.03-0.05mm |
| Temperature | -30°C to +100°C |
| Working pressure | 16Mpa-20Mpa |
| Color | as Customer’s Requirement |
| Mounting Type | Earring-trunnion, double trunnion, double earring (eye end) |
| Plunger | 20#, 45# steel with high frequency quenching |
| Certification | ISO/TS16949, ISO9001, ABS, API, SGS |
| Package | shrink film, pallet, plywood case |
| Warranty | fourteen months after shipping arrival |
| Main export market | US, Canada, South Korea, Russia, Australia, Indonesia, Malaysia, Fiji Island, Kenya, Philippines, Xihu (West Lake) Dis.via, the United Arab Unites,Singapore |
| Payment terms | T/T, L/C |
| Delivery time | 25-30 days after down payment |
No.3 Complete Manufacturing Processes
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.
>Owned plating plant founded in 1998;
>Owned honed tube plant founded in 2000;
>Owned Heat treatment founded in 1995;
>Each processing under our control, each products,every step under strict quality control;
No.4 Advantage
1) Professional, skilled, reliable.
2) One-stop total solution
3) Ready stock goods with fast delivery
4) Customizable: Non-standard sizes are also available
5) Small quantity is acceptable
6) Refund or replacement for any product faulty
No.5 Dream
*Company vision:Act as the laeder of internal hydraulic industry
*Enterprise concept:Better and stronger
*Core values:Learning and innovation,equality and justice,customers the first,and quality winning the world
*Enterprise spirit:Complete sincerity,complete precision more excellent,and up to date
*Quality policy:Pursue zero defects of our products,and realize zeo customers’ complains
*Company type:Respond quickly,act immediately,finish what to do today,and improve day after day
No.6 Strict Quality Control System And Certificates and Packaging
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.
No.7 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.
No.8 Rich Market Experiences and Exhibitions
We are the supplier of Sinotruk, CAMC, CIMC, Beiben Truck, AUMAN, JMC, FOTON, JAC, SHACMAN, Xihu (West Lake) Dis.n, CHINAMFG most of famous truck manufacturing and refitting company use our telescopic cylinder as first choice.
We attended each Bauma ,Las Vegas exhibition, the world grade fair for construction equipments, building material machines, mining machines and earn much more opportunity to extend our business to oversea market.
No.9 FAQ
Q1. What are the same aspects of your cylinder with CHINAMFG cylinder?
A: Same inside structure.
Same outside dimension and same mounting sizes. It can be interchangeable with Hyva’s
Q2. Compared with CHINAMFG cylinder, what are your cylinder advantages?
A: 1. Rod are chrome plated.
2. Tubes are quenched and tempered.
3. Tube inner hole goes through deephole boring machine processing. Surface roughness is 0.4Ra
and circular degree is 0.571.
4. Good quality yet lower price.
Q3: Are you a manufacture or a trade company?
A: Manufacture, we are the leader manufacturer of hydraulic industry in China with 22 years’ experience and technology accumulation. With strong technical team we could solve any annoyance of you.
Q4: Do you have quality control system?
A: Yes, The quality management system introduced is: ISO/TS 16949:2009-certified by NQA and IATF cert.
Q5: How can I get a booklet and buy a cylinder from you?
A: Very easy! Just leave me a message or email or call me directly, let me know you are interesting in our products. I will talk with you for the details soon!
Q6: Can you tell me the price for the cylinder?
A: 1. Please advice the drawing with technical requirement.
2. Please advice the model No. after you check our booklet.
3. Please advice the tipping capacity, number of stages, closed length, mounting type and size.
4. Please also help advice the quantities, this is very important.
Q7: Do your products come with a warranty?
A: Yes, we have 14 months warranty. In this year, if the quality problem we will free repair for you.
Q8: Hydraulic cylinder internal leakage?
A: 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.
Q9: What about the quality feedback of your products?
A: We have never received even once quality complaint for many years of international business.
Q10: Can you help me to install or recommend what kind of hydraulic cylinder or power pack should I use for specific machine?
A: Yes, we have 25 experienced engineers who are always ready to help you. If you do not know what kind of hydraulic cylinders should be used in your machine, please just contact us, our engineers will design the exact products match your need.
Q11: What is the delivery time?
A: Within 15 days for samples.
15-30 days for bulk production, which is depend on quality, production process and so on.
Q12: What is your main payment term?
A: T/T, L/C, either is available.
| Certification: | ISO9001, ISO/Ts16949:2009, ABS, API |
|---|---|
| Pressure: | Medium Pressure |
| Work Temperature: | Normal Temperature |
| Acting Way: | Single Acting |
| Working Method: | Straight Trip |
| Adjusted Form: | Switching Type |
| Customization: |
Available
|
|
|---|

How do hydraulic cylinders handle the challenges of minimizing friction and wear?
Hydraulic cylinders employ several mechanisms and techniques to effectively minimize friction and wear, ensuring optimal performance and longevity. Minimizing friction and wear is crucial for hydraulic cylinders as it helps to maintain efficiency, reduce energy consumption, and prevent premature failure. Here’s a detailed explanation of how hydraulic cylinders handle the challenges of minimizing friction and wear:
1. Lubrication:
– Proper lubrication is essential for minimizing friction and wear in hydraulic cylinders. Lubricating fluids, such as hydraulic oils, are used to create a thin film between moving surfaces, reducing direct metal-to-metal contact. This lubricating film acts as a protective barrier, reducing friction and preventing wear. Regular maintenance practices include monitoring and maintaining the appropriate lubricant levels to ensure optimal lubrication and minimize frictional losses.
2. Surface Finishes:
– The surface finishes of components in hydraulic cylinders play a crucial role in minimizing friction and wear. Smoother surface finishes, achieved through precision machining, grinding, or the application of specialized coatings, reduce surface roughness and frictional resistance. By minimizing surface irregularities, the risk of wear and friction-induced damage is significantly reduced, resulting in improved efficiency and extended component life.
3. High-Quality Sealing Systems:
– Well-designed and high-quality sealing systems are crucial for minimizing friction and wear in hydraulic cylinders. Seals prevent fluid leakage and contamination while maintaining proper lubrication. Advanced sealing materials, such as polyurethane or composite materials, offer excellent wear resistance and low friction characteristics. Optimal seal design and proper installation ensure effective sealing, minimizing friction and wear between the piston and cylinder bore.
4. Proper Alignment and Clearances:
– Hydraulic cylinders must be properly aligned and have appropriate clearances to minimize friction and wear. Misalignment or excessive clearances can result in increased friction and uneven wear, leading to premature failure. Proper installation, alignment, and maintenance practices, including regular inspection and adjustment of clearances, help ensure smooth and even movement of the piston within the cylinder, reducing friction and wear.
5. Filtration and Contamination Control:
– Effective filtration and contamination control are essential for minimizing friction and wear in hydraulic cylinders. Contaminants, such as particles or moisture, can act as abrasive agents, accelerating wear and increasing friction. By implementing robust filtration systems and proper maintenance practices, hydraulic systems can prevent the ingress of contaminants, ensuring clean and properly lubricated components. Clean hydraulic fluids help minimize wear and friction, contributing to improved performance and longevity.
6. Material Selection:
– The selection of appropriate materials for hydraulic cylinder components is crucial in minimizing friction and wear. Components subject to high frictional forces, such as pistons and cylinder bores, can be made from materials with excellent wear resistance, such as hardened steel or composite materials. Additionally, selecting materials with low coefficients of friction helps reduce frictional losses. Proper material selection ensures durability and minimized wear in critical components of hydraulic cylinders.
7. Maintenance and Regular Inspection:
– Regular maintenance and inspection practices are vital for identifying and addressing potential issues that could lead to increased friction and wear in hydraulic cylinders. Scheduled maintenance includes lubrication checks, seal inspections, and monitoring of clearances. By promptly detecting and rectifying any signs of wear or misalignment, hydraulic cylinders can be kept in optimal condition, minimizing friction and wear throughout their operational lifespan.
In summary, hydraulic cylinders employ various strategies to handle the challenges of minimizing friction and wear. These include proper lubrication, employing suitable surface finishes, utilizing high-quality sealing systems, ensuring proper alignment and clearances, implementing effective filtration and contamination control measures, selecting appropriate materials, and conducting regular maintenance and inspections. By implementing these practices, hydraulic cylinders can minimize friction and wear, ensuring smooth and efficient operation while extending the overall lifespan of the system.

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.

What are the common signs of wear or leakage that indicate hydraulic cylinder issues?
Hydraulic cylinders are critical components in hydraulic systems, and wear or leakage can lead to performance issues and potential system failures. It is important to be aware of the common signs that indicate hydraulic cylinder problems. Here’s a detailed explanation of the common signs of wear or leakage that indicate hydraulic cylinder issues:
1. Fluid Leakage:
– Fluid leakage is one of the most obvious signs of hydraulic cylinder problems. If you notice hydraulic fluid leaking from the cylinder, it indicates a seal failure or damage to the cylinder. Leaking fluid may be visible around the rod, piston, or cylinder body. It is important to address fluid leakage promptly as it can lead to a loss of system efficiency, contamination of the surrounding environment, and potential damage to other system components.
2. Reduced Performance:
– Wear or internal damage to the hydraulic cylinder can result in reduced performance. You may notice a decrease in the cylinder’s force output, slower operation, or difficulty in extending or retracting the cylinder. Reduced performance can be indicative of worn seals, damaged piston or rod, internal leakage, or contamination within the cylinder. Any noticeable decrease in the cylinder’s performance should be inspected and addressed to prevent further damage or system inefficiencies.
3. Abnormal Noise or Vibrations:
– Unusual noise or vibrations during the operation of a hydraulic cylinder can indicate internal wear or damage. Excessive noise, knocking sounds, or vibrations that are not typical for the system may suggest problems such as worn bearings, misalignment, or loose internal components. These signs should be investigated to identify the source of the issue and take appropriate corrective measures.
4. Excessive Heat:
– Overheating of the hydraulic cylinder is another sign of potential issues. If the cylinder feels excessively hot to the touch during normal operation, it may indicate problems such as internal leakage, fluid contamination, or inadequate lubrication. Excessive heat can lead to accelerated wear, reduced efficiency, and overall system malfunctions. Monitoring the temperature of the hydraulic cylinder is important to detect and address potential problems.
5. External Damage:
– Physical damage to the hydraulic cylinder, such as dents, scratches, or bent rods, can contribute to wear and leakage issues. External damage can compromise the integrity of the cylinder, leading to fluid leakage, misalignment, or inefficient operation. Regular inspection of the cylinder’s external condition is essential to identify any visible signs of damage and take appropriate actions.
6. Seal Failure:
– Hydraulic cylinder seals are critical components that prevent fluid leakage and maintain system integrity. Signs of seal failure include fluid leakage, reduced performance, and increased friction during cylinder operation. Damaged or worn seals should be replaced promptly to prevent further deterioration of the cylinder’s performance and potential damage to other system components.
7. Contamination:
– Contamination within the hydraulic cylinder can cause wear, damage to seals, and overall system inefficiencies. Signs of contamination include the presence of foreign particles, debris, or sludge in the hydraulic fluid or visible damage to seals and other internal components. Regular fluid analysis and maintenance practices should be implemented to prevent contamination and address any signs of contamination promptly.
8. Irregular Seal Wear:
– Hydraulic cylinder seals can wear over time due to friction, pressure, and operating conditions. Irregular seal wear patterns, such as uneven wear or excessive wear in specific areas, may indicate misalignment or improper installation. Monitoring the condition of the seals during regular maintenance can help identify potential issues and prevent premature seal failure.
It is important to address these common signs of wear or leakage promptly to prevent further damage, ensure the optimal performance of hydraulic cylinders, and maintain the overall efficiency and reliability of the hydraulic system. Regular inspection, maintenance, and timely repairs or replacements of damaged components are key to mitigating hydraulic cylinder issues and maximizing system longevity.

editor by CX 2023-11-11