China Standard New Product Factory Supplier Hydraulic Piston Cylinder Oil Seal Hydraulic Telescopic Cylinder for Tipper Truck vacuum pump engine

Product Description

Product Description

CONTROL

All cylinders are controlled, during the assembling for possible defects of the components used and tested with the 'method of variation of pneumatic pressure' for possible leakage; by sampling, or on customer request, cylinders are hydraulically tested on pressure.

A: Product Description

Commodity Name double acting hydraulic cylinder,  hydraulic cylinder
Suitable Model construction machinery
Original ZheJiang , China
Warranty One year
Min of quantity 1 piece
Packing standard export wooden box or as your require
Time of Shipment Usual 30-60days. Different according the quantity of order.
Port of Delivery HangZhou, China

 

Product Parameters

 

CATALOGUE OF HYDRAULIC CYLINDERS
 

NO. MACHINERY NAME CYLINDER MODEL TUBE(mm) ROD(mm) STROKE LENGTH(mm) LOCATING DISTANCE(mm) WORKING PRESSURE(Mpa)
1 CANE HARVESTER 40-22-108 40 22 108 352 16
2 CANE HARVESTER 40-43-180 40 43 180 295 16.5
3 CANE HARVESTER 50-25-165 50 25 165 440 16
4 CANE HARVESTER 63-40-733 63 40 733 1120 16
5 CANE HARVESTER 75-40-250 75 40 250 521 16.5
6 CANE HARVESTER 83-60-140 83 60 140 525 16
7 COMBINE HARVESTER 32-18-123 32 18 123 313 16
8 COMBINE HARVESTER 50-25-87 50 25 87 265 16
9 COMBINE HARVESTER 50-25-126 50 25 126 816 16
10 COMBINE HARVESTER 83-60-150 83 60 150 625 16
11 CORN HARVESTER 40-22-200 40 22 200 367 16
12 CORN HARVESTER 40-35-270 40 35 270 640 16
13 CORN HARVESTER 45-25-200 45 25 200 430 16
14 CORN HARVESTER 50-25-220 50 25 220 439 16
15 CORN HARVESTER 50-28-210 50 28 210 490 16
16 CORN HARVESTER 52-35-190 52 35 190 350 16
17 CORN HARVESTER 55-35-270 55 35 270 739 16
18 CORN HARVESTER 55-35-780 55 35 780 1030 16
19 CORN HARVESTER 55-45-160 55 45 160 279 16
20 CORN HARVESTER 63-35-621 63 35 621.5 1066 16
21 CORN HARVESTER 63-45-950 63 45 950 1310 16
22 CORN HARVESTER 68-50-255 68 50 255 764 16
23 CORN HARVESTER 75-45-916 75 45 916 1320 16

24 CORN HARVESTER 25-180 / 25 180 340 16
25 CORN HARVESTER 45-185 / 45 185 300 16
26 CORN HARVESTER 45-280 / 45 280 795 16
27 CORN HARVESTER 45-360 / 45 360 520 16
28 CORN HARVESTER 50-155 / 50 155 405 16
29 CORN HARVESTER 50-215   50 215 467 16
30 CORN HARVESTER 60-210   60 210 1130 16

Application

Hydraulic cylinder can application for Excavator, Forklift, Snowplow, Farm Cultivator, Metallurgical Machinery, Agricultural Machinery, Forest Machinery, Construction Machinery and more.

  

 

Our service/certifications

---CE Certificate of Quality Checked
---Adopt ISO Certificate of Quality Management System
---BV Certificate of Main Products Line verification
---Fast Delivery
---After-sales Service
---24 Hours, 7 Days on-line Service 

Company Profile

 

KENDE is a leading global designer, manufacturer and marketer of hydraulic cylinder,cab, oil tank, counterweight, boom, arm, bucket, chassis, outrigger, pipe, hose, fitting, valve block, tyre, wheel,and other parts. Products are widely used in construction, mining, crane, material handing, automobile, truck, transportation, oil and gas, farm and garden equipment and so on .
We supply a wide range of parts for excavators, loaders, drills, dumpers, forklifts, tractors, trailers, harvestors, cars, buses, trucks and so on. Our products are focused on improved efficiency and life of the machineries and equipments.
Founded in January of 2015, we have become a big group till now which has 3 factories in asia to supply a wide range of products and service for the global customers.
We have the most advanced production equipments and specialized R &D center to assure the highest quality products to customers.
Our vision statement is "Science and technology first, Always with a grateful heart, Walk the world by virtue, Struggle for a better future"

FAQ

1)>. How about your delivery time?
: Generally, it will take 30 to 60 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

2)>. What is your terms of price?
: EXW, FOB, CFR, CIF, DDU.

3)> . What is your terms of payment?
: T/T 50% as deposit, and 50% before delivery. We'll show you the photos of the products and packages before you pay the balance.

4)> . Can you supply a sample freely?
: Sorry, we only can produce the sample with the cost price for you.

5)> Can you produce according to the samples?
: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

6)>. What is your sample policy?
: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.

7)>. Do you test all your goods before delivery?
: Yes, we have 100% test before delivery

8)>: How do you make our business long-term and good relationship?
:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

 

Certification: CE, TUV, SGS, BV
Pressure: High Pressure Low Pressure Medium Pressure
Work Temperature: High Temperature Low Temperature Normal Temperat
Acting Way: Double Acting Single Acting
Working Method: Straight Trip
Adjusted Form: Regulated Type
Customization:
Available

|

hydraulic cylinder

What advancements in hydraulic cylinder technology have improved sealing and reliability?

Advancements in hydraulic cylinder technology have continuously contributed to improving sealing and reliability in hydraulic systems. These advancements aim to address common challenges such as leakage, wear, and failure of seals, ensuring optimal performance and longevity. Here are several key advancements that have significantly improved sealing and reliability in hydraulic cylinders:

1. High-Performance Sealing Materials:

- The development of advanced sealing materials has greatly improved the sealing capabilities of hydraulic cylinders. Traditional sealing materials like rubber have been replaced or enhanced with high-performance materials such as polyurethane, PTFE (polytetrafluoroethylene), and various composite materials. These materials offer superior resistance to wear, temperature, and chemical degradation, resulting in improved sealing performance and extended seal life.

2. Enhanced Seal Designs:

- Advancements in seal designs have focused on improving sealing efficiency and reliability. Innovative seal profiles, such as lip seals, wipers, and scrapers, have been developed to optimize fluid retention and prevent contamination. These designs provide better sealing performance, minimizing the risk of fluid leakage and maintaining system integrity. Additionally, improved seal geometries and manufacturing techniques ensure tighter tolerances, reducing the potential for seal failure due to misalignment or extrusion.

3. Integrated Seal and Bearing Systems:

- Hydraulic cylinders now incorporate integrated seal and bearing systems, where the sealing elements also serve as bearing surfaces. This design approach reduces the number of components and potential failure points, improving overall reliability. By integrating seals and bearings, the risk of seal damage or displacement due to excessive loads or misalignment is minimized, resulting in enhanced sealing performance and increased reliability.

4. Advanced Coatings and Surface Treatments:

- The application of advanced coatings and surface treatments to hydraulic cylinder components has significantly improved sealing and reliability. Coatings such as chrome plating or ceramic coatings enhance surface hardness, wear resistance, and corrosion resistance. These surface treatments provide a smoother and more durable surface for seals to operate against, reducing friction and improving sealing performance. Moreover, specialized coatings can also provide self-lubricating properties, reducing the need for additional lubrication and enhancing reliability.

5. Sealing System Monitoring and Diagnostic Technologies:

- The integration of monitoring and diagnostic technologies in hydraulic systems has revolutionized seal performance and reliability. Sensors and monitoring systems can detect and alert operators to potential seal failures or leaks before they escalate. Real-time monitoring of pressure, temperature, and seal performance parameters allows for proactive maintenance and early intervention, preventing costly downtime and ensuring optimal sealing and reliability.

6. Computational Modeling and Simulation:

- Computational modeling and simulation techniques have played a significant role in advancing hydraulic cylinder sealing and reliability. These tools enable engineers to analyze and optimize seal designs, fluid flow dynamics, and contact stresses. By simulating various operating conditions, potential issues such as seal extrusion, wear, or leakage can be identified and mitigated early in the design phase, resulting in improved sealing performance and enhanced reliability.

7. Systematic Maintenance Practices:

- Advances in hydraulic cylinder technology have also emphasized the importance of systematic maintenance practices to ensure sealing and overall system reliability. Regular inspection, lubrication, and replacement of seals, as well as routine system flushing and filtration, help prevent premature seal failure and optimize sealing performance. Implementing preventive maintenance schedules and adhering to recommended service intervals contribute to extended seal life and enhanced reliability.

In summary, advancements in hydraulic cylinder technology have led to significant improvements in sealing and reliability. High-performance sealing materials, enhanced seal designs, integrated seal and bearing systems, advanced coatings and surface treatments, sealing system monitoring and diagnostics, computational modeling and simulation, and systematic maintenance practices have all played key roles in achieving optimal sealing performance and increased reliability. These advancements have resulted in more efficient and dependable hydraulic systems, minimizing leakage, wear, and failure of seals, and ultimately improving the overall performance and longevity of hydraulic cylinders in diverse applications.

hydraulic cylinder

Ensuring Stable Performance of Hydraulic Cylinders Under Fluctuating Loads

Hydraulic cylinders are designed to provide stable performance even under fluctuating loads. They achieve this through various mechanisms and features that allow for efficient load control and compensation. Let's explore how hydraulic cylinders ensure stable performance under fluctuating loads:

  1. Piston Design: The piston inside the hydraulic cylinder plays a crucial role in load control. It is typically equipped with seals and rings that prevent leakage of hydraulic fluid and ensure effective transfer of force. The piston design may incorporate features such as stepped or tandem pistons, which provide enhanced load-bearing capabilities and improved stability by distributing the load across multiple surfaces.
  2. Cylinder Cushioning: Hydraulic cylinders often incorporate cushioning mechanisms to minimize the impact and shock caused by fluctuating loads. Cushioning can be achieved through various methods, such as adjustable cushion screws, hydraulic cushioning valves, or elastomeric cushioning rings. These mechanisms slow down the piston's movement near the end of the stroke, reducing the impact and preventing sudden stops that could lead to instability.
  3. Pressure Compensation: Fluctuating loads can result in pressure variations within the hydraulic system. To ensure stable performance, hydraulic cylinders are equipped with pressure compensation mechanisms. These mechanisms maintain a consistent pressure level in the system, regardless of load changes. Pressure compensation can be achieved through the use of pressure relief valves, compensating pistons, or pressure-compensated flow control valves.
  4. Flow Control: Hydraulic cylinders often incorporate flow control valves to regulate the speed of the cylinder's movement. By controlling the flow rate of hydraulic fluid, the cylinder's motion can be adjusted to match the changing load conditions. Flow control valves allow for smooth and controlled movement, preventing abrupt changes that could lead to instability.
  5. Feedback Systems: To ensure stable performance under fluctuating loads, hydraulic cylinders can be integrated with feedback systems. These systems provide real-time information on the cylinder's position, velocity, and force. By continuously monitoring these parameters, the hydraulic system can make immediate adjustments to maintain stability and compensate for load fluctuations. Feedback systems can include position sensors, pressure sensors, or load sensors, depending on the specific application.
  6. Proper Sizing and Selection: Ensuring stable performance under fluctuating loads starts with proper sizing and selection of hydraulic cylinders. It is crucial to choose cylinders with appropriate bore size, rod diameter, and stroke length to match the anticipated load conditions. Oversized or undersized cylinders can lead to instability and reduced performance. Proper sizing also involves considering factors such as the required force, speed, and duty cycle of the application.

In summary, hydraulic cylinders ensure stable performance under fluctuating loads through features such as piston design, cushioning mechanisms, pressure compensation, flow control, feedback systems, and proper sizing and selection. These mechanisms and considerations allow hydraulic cylinders to provide consistent and controlled movement, even in dynamic load conditions, resulting in reliable and stable performance.

hydraulic cylinder

How do hydraulic cylinders ensure precise and controlled movement in equipment?

Hydraulic cylinders are widely used in various equipment and machinery to provide precise and controlled movement. They utilize hydraulic fluid and mechanical components to achieve accurate positioning, smooth operation, and reliable control. Here's a detailed explanation of how hydraulic cylinders ensure precise and controlled movement in equipment:

1. Hydraulic Principle:

- Hydraulic cylinders operate based on Pascal's law, which states that pressure exerted on a fluid is transmitted equally in all directions. The hydraulic fluid is contained within the cylinder, and when pressure is applied, it acts on the piston, generating force. By controlling the pressure and flow of hydraulic fluid, the movement of the cylinder can be precisely regulated, allowing for accurate and controlled motion.

2. Force and Load Management:

- Hydraulic cylinders are designed to handle specific loads and forces. The force generated by the hydraulic cylinder depends on the hydraulic pressure and the surface area of the piston. By adjusting the pressure, the force output can be controlled. This allows for precise management of the load and ensures that the cylinder can handle the required force without exerting excessive or insufficient force. Proper load management contributes to the precise and controlled movement of the equipment.

3. Control Valves:

- Control valves play a crucial role in regulating the flow and direction of hydraulic fluid within the cylinder. These valves allow operators to control the extension and retraction of the cylinder, adjust the speed of movement, and stop or hold the cylinder at any desired position. By manipulating the control valves, precise and controlled movement can be achieved, enabling operators to position equipment accurately and perform specific tasks with precision.

4. Flow Control:

- Hydraulic cylinders incorporate flow control valves to manage the rate of hydraulic fluid flow. These valves control the speed of the cylinder's extension and retraction, allowing for smooth and controlled movement. By adjusting the flow rate, operators can precisely control the speed of the cylinder, ensuring that it moves at the desired rate without sudden or erratic movements. Flow control contributes to the overall precision and control of the equipment's movement.

5. Position Sensing:

- To ensure precise movement, hydraulic cylinders can be equipped with position sensing devices such as linear transducers or proximity sensors. These sensors provide feedback on the position of the cylinder, allowing for accurate position control and closed-loop control systems. By continuously monitoring the position, the equipment's movement can be controlled with high accuracy, enabling precise positioning and operation.

6. Proportional Control:

- Advanced hydraulic systems utilize proportional control technology, which allows for precise and fine-tuned control of the hydraulic cylinder's movement. Proportional valves, often operated by electronic control systems, provide variable flow rates and pressure adjustments. This technology enables precise control of speed, force, and position, resulting in highly accurate and controlled movement of the equipment.

7. Cushioning and Damping:

- Hydraulic cylinders can incorporate cushioning and damping mechanisms to ensure smooth and controlled movement at the end of the stroke. Cushioning features, such as adjustable cushions or shock absorbers, reduce the impact and decelerate the cylinder before reaching the end of the stroke. This prevents abrupt stops and minimizes vibrations, contributing to precise and controlled movement.

8. Load Compensation:

- Some hydraulic systems utilize load compensation mechanisms to maintain precise movement even when the load varies. Load-sensing systems monitor the load demand and adjust the hydraulic pressure and flow accordingly to meet that demand. This compensation ensures that the equipment's movement remains accurate and controlled, regardless of changes in the applied load.

In summary, hydraulic cylinders ensure precise and controlled movement in equipment through the application of hydraulic principles, force and load management, control valves, flow control, position sensing, proportional control, cushioning and damping mechanisms, and load compensation. These features and technologies allow operators to achieve accurate positioning, smooth operation, and reliable control, enabling equipment to perform tasks with precision and efficiency. The combination of hydraulic power and careful design considerations ensures that hydraulic cylinders deliver precise and controlled movement in a wide range of industrial applications.

China Standard New Product Factory Supplier Hydraulic Piston Cylinder Oil Seal Hydraulic Telescopic Cylinder for Tipper Truck   vacuum pump engine	China Standard New Product Factory Supplier Hydraulic Piston Cylinder Oil Seal Hydraulic Telescopic Cylinder for Tipper Truck   vacuum pump engine
editor by CX 2023-11-15