Product Description

Product Description
 

North American telescopic cylinder have always been the core products of our company, which are widely sold in the United States, Canada, Mexico and other Americas, with the following advantages:

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.

 

Product Model
 

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

 

Our products are designed with the following advantages:

1.There are many product models, which can meet the needs of most customers;
2.We have a professional design team, they are 1 of the driving forces for our development;
3.Our design team can customize products according to the needs of customers to meet the needs of different customers.

About Us

ZheJiang CHINAMFG Hydraulic Co., Ltd is one of the biggest hydraulic cylinder manufacturer in China, specialized in design, R & D and manufacturing of hydraulicmachinery products etc, with its annual production capaciy of 200000 sets.My company with 600 employees in it ,covers an area of 180000 square meters.There are 700 sets of mnufacturing equipment. Our company invested 10 million RMB in 2 cold drawing lines, 1 is 200 tons and the other is 320 tons with acid cleaning, phosphatization, heat treatment and alignment cutting.

All production steps are finished in the same factory, and this guarantees good quality and short lead time. All the products are ISO/TS16949, CCRI, CCS, and DNV and ABS certified. We passed ISO/TS16949 International Quality System Certification, and we are an “AAA Level Standardization and Good Behavior Enterprise“. The technology center of our company was rated as Provincial Technology Center, and our company has become the base of production, education and research of ZheJiang University of Science and Technology.Advanced equipment, excellent talents and strict management help us develop first-class products.

The company has been deeply rooted in the hydraulic field for 20 years, with a stable management team and key technical personnel. Adhering to the corporate philosophy of “creating hydraulic products for customers“, the company has persisted in research and development investment for many years, mastering core production process technologies such as cold drawing technology, sealing structure optimization technology, piston rod heat treatment and surface treatment technology, mirror polishing roughness control technology, and accumulator dual chamber technology. Starting from the actual needs of customers, the company continuously innovates and gradually positions itself in the mid to high end market, providing high-quality products for customers in industries such as automobiles, coal mines, petroleum, and engineering machinery with high-quality services.
 

Production Process & Equipmnet

Cold Drawing

The utilization rate and performance of the material are improved through the cold drawing process.

Heat Treatment
The surface hardness of the material is improved by heat treatment.

Boring
Through boring treatment, the finish of the inner hole of the material is improved.

Hard Chrome
Through chrome plating treatment, the corrosion resistance of the material is improved and the service life is prolonged.

Every piece of hydraulic cylinder are processed through dozens of steps, including raw material processing, cylinder assembly, painting, etc. Each step is indispensable, and we also have advanced processing equipment to ensure that the processing dimensions of raw materials meet the requirements of product production.

Quality Inspection

Raw Material Inspection:
The material of raw materials is detected by carbon and sulfur analyzers and spectrometers.

Material Performance Inspection:
The tensile strength, yield strength, hardness and other properties of the material are tested by the material tensile test bench,Brinell hardness tester, CHINAMFG hardness tester and other equipment.

Process Inspection:
The geometric shape, shape and position tolerance and finish of semi-finished products are detected by 3 coordinates,
profilometer and ultrasonic roughness meter.

Chrome Plating Control:
The thickness, hardness and corrosion resistance of the product coating are tested by ultrasonic hardness tester, ultrasonic thickness gauge and salt spray test bench.

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.

Packaging & Transportation

To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided. Plywood Case, or according to your requirements, We will pack and ship the products in strict accordance with the requirements to ensure that they can be delivered to our esteemed customers in perfect condition.

Credentials & Collaborations
 

ZheJiang CHINAMFG Hydraulic Co., Ltd. is a very excellent enterprise in all aspects, so we have gained a lot of honors and certificates at home and abroad, and we are the partners of many leading enterprises in China, we provide them with first-class hydraulic products and services, deeply trusted by them, at the same time and in the right place, we will also participate in various exhibitions to promote our latest products, I believe your choice will make us more successful.

FAQ

Q1: Are you a manufacture or a trade company?
Manufacture, we are the leader manufacturer of hydraulic industry in China with 20 years experience and technology.
 
Q2: Do you have quality control system?
Yes, The quality management system introduced is: ISO/TS 16949:2009-certified by NQA and IATF cert.
 
Q3: How can i get a booklet and buy a cylinder from you?
Very easy! Just leave me a message or email and tell me your requirement, let me know you are interesting in our products.I will talk with you for the details soon!
 
Q4: Can you tell me the price for the cylinder?
1. Please help inform your drawing with detail requirement.
2. Please help inform the cylinder NO. after you check our booklet.
3. Please help inform the tipping capacity, strokes, number of stages, closed length, mounting type and size and other information.
4. Please also help inform the quantities, this is very important.
5. Your destination port.
 
Q5: Do your products come with a warranty?
Yes, we have 14 months warranty. In this period, if the quality problem we will free repair for you.
 
Q6: Can I customize our products from you?
Yes, we can make products according to your requirements. Please kindly send me your specifications and drawings.
 
Q7: Can you help me to install or give me advice about what kind of hydraulic cylinder or power pack should I use for specific machine?
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 help you to design the exact products you need.
 
Q8: What is the delivery time?
25-30 days for mass production, which is depend on quality, production process and so on.
 
Q9: What is your main payment itme?
T/T.

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How do manufacturers ensure the durability and reliability of hydraulic cylinders?

Manufacturers employ various strategies and techniques to ensure the durability and reliability of hydraulic cylinders. These measures are crucial as hydraulic cylinders are often subjected to demanding operating conditions and heavy loads. To ensure their longevity and dependable performance, manufacturers focus on the following aspects:

1. High-Quality Materials:

– Manufacturers use high-quality materials in the construction of hydraulic cylinders. Components such as cylinder barrels, piston rods, seals, and bearings are made from materials that possess excellent strength, corrosion resistance, and wear resistance properties. Common materials used include high-grade steel alloys, chrome-plated rods, and specialized coatings. The selection of appropriate materials ensures that hydraulic cylinders can withstand the stresses, pressures, and environmental conditions they encounter during operation.

2. Robust Design:

– Hydraulic cylinders are designed to withstand high loads and harsh operating conditions. Manufacturers use computer-aided design (CAD) software and finite element analysis (FEA) techniques to optimize the cylinder’s structural integrity and performance. The design includes factors such as proper wall thickness, reinforcement in critical areas, and appropriate sizing of components. Robust design practices ensure that hydraulic cylinders can withstand the forces and stresses they encounter, preventing premature failure and ensuring durability.

3. Quality Manufacturing Processes:

– Manufacturers follow stringent quality control measures during the manufacturing processes of hydraulic cylinders. These processes include precision machining, welding, heat treatment, and surface finishing. Skilled technicians and advanced machinery are employed to ensure dimensional accuracy, proper fitment of components, and overall quality. By adhering to strict manufacturing processes and quality standards, manufacturers can produce hydraulic cylinders with consistent performance and reliability.

4. Sealing Technology:

– The sealing system of hydraulic cylinders is critical for their durability and reliability. Manufacturers utilize advanced sealing technologies such as lip seals, O-rings, and composite seals to prevent fluid leakage and ingress of contaminants. Properly designed and high-quality seals ensure that hydraulic cylinders can maintain their performance over extended periods. Seals are tested for their compatibility with the hydraulic fluid, pressure resistance, and resilience to environmental factors such as temperature and humidity.

5. Performance Testing:

– Manufacturers subject hydraulic cylinders to rigorous performance testing to validate their durability and reliability. These tests simulate real-world operating conditions and evaluate factors such as load capacity, pressure resistance, fatigue life, and leakage. Performance testing helps identify any design flaws or weaknesses in the hydraulic cylinder and allows manufacturers to make necessary improvements. By conducting thorough performance testing, manufacturers can ensure that hydraulic cylinders meet or exceed the required performance standards.

6. Compliance with Industry Standards:

– Manufacturers adhere to industry standards and regulations to ensure the durability and reliability of hydraulic cylinders. These standards, such as ISO 6020/6022 and NFPA T3.6.7, provide guidelines for design, manufacturing, and performance requirements. By following these standards, manufacturers ensure that hydraulic cylinders are designed and built to meet specific quality and safety criteria. Compliance with industry standards helps establish a baseline for durability and reliability and instills confidence in the performance of hydraulic cylinders.

7. Regular Maintenance and Service:

– Manufacturers provide recommendations for regular maintenance and service of hydraulic cylinders. This includes guidelines for lubrication, inspection of components, and replacement of wear parts such as seals and bearings. Following the manufacturer’s maintenance guidelines helps ensure the long-term durability and reliability of hydraulic cylinders. Regular maintenance also allows for the early detection of potential issues, preventing major failures and extending the service life of the hydraulic cylinders.

8. Customer Support and Warranty:

– Manufacturers provide customer support and warranty services to address any issues that arise with hydraulic cylinders. They offer technical assistance, troubleshooting guidance, and replacement of defective components. The warranty ensures that customers receive reliable and durable hydraulic cylinders and provides recourse in case of any manufacturing defects or premature failures. Strong customer support and warranty policies reflect the manufacturer’s commitment to the durability and reliability of their products.

In summary, manufacturers ensure the durability and reliability of hydraulic cylinders through the use of high-quality materials, robust design practices, stringent manufacturing processes, advanced sealing technology, thorough performance testing, compliance with industry standards, regular maintenance guidelines, and customer support with warranty services. By focusing on these aspects, manufacturers can produce hydraulic cylinders that can withstand demanding conditions, provide long service life, and deliver reliable performance in various applications.

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.

How do hydraulic cylinders accommodate variations in stroke length and force requirements?

Hydraulic cylinders are designed to accommodate variations in stroke length and force requirements, providing flexibility and adaptability for different applications. They can be tailored to meet specific needs by considering factors such as piston diameter, rod diameter, hydraulic pressure, and cylinder design. Here’s a detailed explanation of how hydraulic cylinders accommodate variations in stroke length and force requirements:

1. Cylinder Size and Design:

– Hydraulic cylinders come in various sizes and designs to accommodate different stroke lengths and force requirements. The cylinder’s diameter, piston area, and rod diameter are key factors that determine the force output. Larger cylinder diameters and piston areas can generate greater force, while smaller diameters are suitable for applications requiring lower force. By selecting the appropriate cylinder size and design, stroke lengths and force requirements can be effectively accommodated.

2. Piston and Rod Configurations:

– Hydraulic cylinders can be designed with different piston and rod configurations to accommodate variations in stroke length. Single-acting cylinders have a single piston and can provide a stroke in one direction. Double-acting cylinders have a piston on both sides, allowing for strokes in both directions. Telescopic cylinders consist of multiple stages that can extend and retract, providing a longer stroke length compared to standard cylinders. By selecting the appropriate piston and rod configuration, the desired stroke length can be achieved.

3. Hydraulic Pressure and Flow:

– The hydraulic pressure and flow rate supplied to the cylinder play a crucial role in accommodating variations in force requirements. Increasing the hydraulic pressure increases the force output of the cylinder, enabling it to handle higher force requirements. By adjusting the pressure and flow rate through hydraulic valves and pumps, the force output can be controlled and matched to the specific requirements of the application.

4. Customization and Tailoring:

– Hydraulic cylinders can be customized and tailored to meet specific stroke length and force requirements. Manufacturers offer a wide range of cylinder sizes, stroke lengths, and force capacities to choose from. Additionally, custom-designed cylinders can be manufactured to suit unique applications with specific stroke length and force demands. By working closely with hydraulic cylinder manufacturers, it is possible to obtain cylinders that precisely match the required stroke length and force requirements.

5. Multiple Cylinders and Synchronization:

– In applications that require high force or longer stroke lengths, multiple hydraulic cylinders can be used in combination. By synchronizing the movement of multiple cylinders through the hydraulic system, the stroke length and force output can be effectively increased. Synchronization can be achieved using mechanical linkages, electronic controls, or hydraulic circuitry, ensuring coordinated movement and force distribution across the cylinders.

6. Load-Sensing and Pressure Control:

– Hydraulic systems can incorporate load-sensing and pressure control mechanisms to accommodate variations in force requirements. Load-sensing systems monitor the load demand and adjust the hydraulic pressure accordingly, ensuring that the cylinder delivers the required force without exerting excessive force. Pressure control valves regulate the pressure within the hydraulic system, allowing for precise control and adjustment of the force output based on the application’s needs.

7. Safety Considerations:

– When accommodating variations in stroke length and force requirements, it is essential to consider safety factors. Hydraulic cylinders should be selected and designed with an appropriate safety margin to handle unexpected loads or variations in operating conditions. Safety mechanisms such as overload protection valves and pressure relief valves can be incorporated to prevent damage or failure in situations where the force limits are exceeded.

By considering factors such as cylinder size and design, piston and rod configurations, hydraulic pressure and flow, customization options, synchronization, load-sensing, pressure control, and safety considerations, hydraulic cylinders can effectively accommodate variations in stroke length and force requirements. This flexibility allows hydraulic cylinders to be tailored to meet the specific demands of a wide range of applications, ensuring optimal performance and efficiency.

editor by Dream 2024-12-02