China Professional Hydraulic Cylinder NBR PU Excavator Oil Seal Dust Wiper Seal 90*104*8/11 vacuum pump

Product Description

 

Product Description

 

 

other hot products

 

No. Size Type OEM  
No Size No Size  
1 14X22X4.5/5.5 22 85X99X8/11  
2 14X22X5/7 23 90X104X8/11  
3 19X31X6/9 24 95X109X8/11  
4 20X32X6/9 25 100X114X8/11  
5 22X32X6/9 26 105X121X9/12  
6 25X37X6/9 27 110X126X9/12  
7 28X40X6/9 28 115X131X9/12  
8 30X42X6/9 29 120X136X9/12  
9 32X44X7/10 30 125X141X9/12  
10 35X47X7/10 31 130X146X9/12  
11 40X52X7/10 32 140X160X10/14  
12 45X57X7/10 33 145X165X10/14  
13 50X62X7/10 34 150X 170X10/14  
14 50X64X8/11 35 160X180X10/14  
15 55X69X8/11 36 170X190X10/14  
16 60X74X8/11 37 180X200X10/14  
17 65X79X8/11 38 180X205X12/17  
18 63X77X8/11 39 190X215X12/17  
19 70X84X8/11 40 200X225X12/17  
20 75X89X8/11 41 210X235X12/17  
21 80X94X8/11      
All models can be customized

Company Profile

ZheJiang Hankai Machinery Equipment Co., Ltd. is a professional manufacture of high quality rubber sealss, its also a foreign trade enterprise that sells worldwide. It was established in 2004 year,We have advanced producing equipments and precise instruments, and have past the ISO9001 quality assurance standards system. Our seals have exported to Europe, North America,South America and the Middle East,they all gained great praise and trust from customers at home and abroad.We have more than 10000 kinds of oil seals, which used in engineering machines,mining equipments,oilfied equipments, and automobiles.Our factory always follow advancing forward,pursuing the best, adhere to in-through-quality business policy, and established a complete quality assurance system.

 

 

Packaging & Shipping

 

FAQ

1.Why choose you?

We are a manufacturer with our factory and have more than 10 years experience for construction machinery oil seal.

2. What is your main products?

Our main products are Cassette seal ,TCN & TCV Type Hydraulic seal ,DKB DKBI GA DLI DKBZ Type Dust seal and concrete mixer seal,
skeleton oil seal and also we offer OEM services.

3. What is your MOQ?

Our MOQ is usually 100 pcs.

4.What is the shipping port?

ZheJiang Port ,HangZhou Port,HangZhou Port.

5.What is your delivery time?

The time of delivery is Two weeks (Working days only) after we receive the deposit.

6, What is your time of making samples?

Usually we will take 15-20 working days to make the samples.

7, How about the samples?

FREE SAMPLES can be send but the freight are charged. After the order is confirmed, we would pay back the express fee.

8.What is your payment terms?
30% T/T in advance,70% in the period of shipment.or Western Union,Paypal.

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Certification: GS, CE, ISO9001
Work Temperature: Normal Temperature
Working Method: Rotary
Adjusted Form: Switching Type
Structure: Rack and Pinion Type
Sample: Available
Samples:
US$ 0.26/Piece
1 Piece(Min.Order)

|

Customization:
Available

|

rotary cylinder

How do rotary cylinders manage variations in load capacity and weight?

Rotary cylinders are designed to effectively manage variations in load capacity and weight in different applications. Here’s a detailed explanation:

1. Size and Configuration: Rotary cylinders come in various sizes and configurations to accommodate a wide range of load capacities and weights. Larger cylinders with larger piston areas can handle greater loads, while smaller cylinders are suitable for lighter loads. The selection of the appropriate cylinder size and configuration is crucial to match the specific load requirements.

2. Pressure and Force: Rotary cylinders utilize fluid pressure to generate the necessary force for rotation. By adjusting the pressure within the cylinder, the force output can be regulated to match the variations in load capacity and weight. Higher pressure is applied for heavier loads, while lower pressure is sufficient for lighter loads.

3. Load Balancing: In applications where there are variations in load capacity or weight distribution, multiple rotary cylinders can be used to balance the load. By distributing the load across multiple cylinders, the individual load capacity of each cylinder is reduced, ensuring that no single cylinder is overloaded.

4. Positioning and Center of Gravity: Proper positioning of the load and consideration of the center of gravity are important when managing variations in weight. Ensuring that the load is balanced and properly supported helps distribute the weight evenly and reduces strain on the rotary cylinder.

5. Safety Factors: When dealing with variations in load capacity and weight, it is essential to incorporate safety factors into the design and selection of rotary cylinders. Safety factors account for uncertainties and unexpected variations in the load, ensuring that the cylinder can handle occasional peak loads or weight fluctuations without compromising safety and performance.

6. Manufacturer Guidelines: Manufacturers provide load charts, technical specifications, and guidelines for their rotary cylinders. These resources outline the load capacities and weight limits for different cylinder sizes and configurations. It is crucial to consult these guidelines to ensure that the selected rotary cylinder is suitable for the specific load requirements.

7. Regular Maintenance and Inspection: Regular maintenance and inspection of rotary cylinders are necessary to ensure their continued performance and safe operation. This includes checking for any signs of wear, leaks, or damage that may affect the cylinder’s load-bearing capacity. Timely maintenance and replacement of worn components help manage variations in load capacity and weight effectively.

By considering these factors and following manufacturer recommendations, rotary cylinders can effectively manage variations in load capacity and weight in a wide range of applications.

rotary cylinder

How do rotary cylinders handle variations in environmental conditions?

Rotary cylinders are designed to handle variations in environmental conditions encountered in different applications. Here’s a detailed explanation:

1. Robust Construction: Rotary cylinders are constructed using durable materials such as high-grade metals, alloys, and seals that can withstand harsh environmental conditions. They are designed to resist factors like vibration, shock, temperature variations, dust, moisture, and exposure to corrosive substances. The robust construction ensures that rotary cylinders can operate reliably and maintain performance integrity in challenging environments.

2. Sealing Mechanisms: Rotary cylinders incorporate sealing mechanisms to prevent the ingress of contaminants such as dirt, water, and chemicals. These sealing mechanisms include O-rings, wipers, and lip seals, which create a barrier between the cylinder’s internal components and the external environment. Effective sealing helps protect the cylinder’s internal parts, ensuring smooth operation and preventing damage caused by environmental factors.

3. Lubrication Systems: Proper lubrication is essential for the smooth functioning of rotary cylinders. They are equipped with lubrication systems that deliver lubricants to critical moving parts, reducing friction, wear, and the risk of corrosion. Lubrication systems can be designed to operate under different environmental conditions, ensuring optimal performance and longevity of the cylinder.

4. Temperature Compensation: Rotary cylinders can be designed with temperature compensation features to accommodate variations in operating temperatures. When exposed to high or low temperatures, materials can expand or contract, potentially affecting the cylinder’s performance. Temperature compensation mechanisms, such as thermal expansion compensation or heat dissipation features, help maintain the cylinder’s dimensional stability and performance in different temperature conditions.

5. Protective Coatings: In environments where there is a high risk of corrosion or abrasion, rotary cylinders can be coated with protective layers or treatments. These coatings, such as corrosion-resistant plating, powder coatings, or specialized coatings for specific applications, provide an additional barrier against environmental factors and extend the cylinder’s lifespan.

6. Environmental Testing: Manufacturers subject rotary cylinders to rigorous testing procedures to ensure their performance and reliability under various environmental conditions. These tests may include temperature cycling, humidity exposure, dust and particle ingress testing, vibration testing, and salt spray testing. Environmental testing helps identify potential weaknesses and allows for improvements in design and materials to enhance the cylinder’s ability to handle environmental variations.

7. IP Ratings: In industrial applications, rotary cylinders are often assigned an Ingress Protection (IP) rating. IP ratings indicate the level of protection against solid particles (first digit) and moisture (second digit) that the cylinder can withstand. Higher IP ratings signify greater resistance to environmental factors. Users can select rotary cylinders with appropriate IP ratings based on the specific environmental conditions of their application.

8. Application-Specific Designs: Depending on the industry and application requirements, rotary cylinders can be designed with specific environmental considerations in mind. For example, in marine or offshore applications, cylinders can be corrosion-resistant and designed to withstand saltwater exposure. In dusty environments, additional filtration systems can be incorporated to prevent dust ingress. Customized designs allow rotary cylinders to handle variations in environmental conditions effectively.

By incorporating these features and design considerations, rotary cylinders can effectively handle variations in environmental conditions, ensuring reliable performance and longevity in diverse applications.

rotary cylinder

How does a rotary cylinder differ from other types of hydraulic cylinders?

A rotary cylinder differs from other types of hydraulic cylinders in several ways. Here’s a detailed explanation:

Principle of Operation:

A rotary cylinder is designed to convert fluid power into rotational motion, while other types of hydraulic cylinders primarily provide linear motion. While standard hydraulic cylinders extend and retract in a straight line, a rotary cylinder generates rotary or swinging motion.

Mechanism:

Rotary cylinders utilize different mechanisms to produce rotary motion. They may employ rack-and-pinion mechanisms, vane mechanisms, or gear mechanisms, depending on the specific design. In contrast, other types of hydraulic cylinders typically use a piston and cylinder arrangement to generate linear motion.

Direction of Motion:

Rotary cylinders produce rotational motion around a fixed axis or pivot point. The direction of rotation can be clockwise or counterclockwise, depending on the design and configuration of the cylinder. In contrast, other hydraulic cylinders provide linear motion in a straight line, either extending or retracting along the axis of the cylinder.

Applications:

Rotary cylinders are commonly used in applications where rotational movement is required, such as rotary indexing tables, robotic arms, and conveyor systems. They are suitable for tasks that involve swinging, rotating, or indexing motions. On the other hand, other types of hydraulic cylinders are used in applications that primarily require linear motion, such as lifting, pushing, or pulling.

Advantages and Disadvantages:

Rotary cylinders offer certain advantages over other types of hydraulic cylinders. They provide compact and efficient means of generating rotary motion, allowing for versatile applications. Rotary cylinders can deliver high torque output and precise control over rotational motion. However, one potential disadvantage is that they may have a more complex design and require additional components compared to standard hydraulic cylinders.

Fluid Medium:

Rotary cylinders can be powered by either hydraulic fluid or compressed air, depending on the specific design and application. Other types of hydraulic cylinders also utilize hydraulic fluid as the power medium. The choice of fluid medium depends on factors such as the desired force and speed, environmental considerations, and system requirements.

It’s important to consult the manufacturer’s documentation and guidelines for specific information on the selection, installation, and operation of rotary cylinders and other types of hydraulic cylinders for different applications.

China Professional Hydraulic Cylinder NBR PU Excavator Oil Seal Dust Wiper Seal 90*104*8/11   vacuum pump	China Professional Hydraulic Cylinder NBR PU Excavator Oil Seal Dust Wiper Seal 90*104*8/11   vacuum pump
editor by CX 2024-03-09