Product Description

Product Description

 

Mining & cement hydraulic cylinder:

Hetlock(ZheJiang )Machinery Co.,Ltd. have many years of experience in mining and cement industry, Allows us to accumulate the rich experience of hydraulic cylinder in this industry. Because of the bad environment of this industry, dusty, and use frequently. We grope out a set of complete process for the design methods and produce process.
We are established a professional quality control method for each key control points of technology and process, and get a very good quality result.

Our products have applications in:

• Tunnel construction equipment;
• Earth moving equipment;
• Hydraulic con crusher;
• Grate cooler;
• Roller press;
• Vertical mill;
• Drilling rig;
• Etc.

Product Parameters

Material	Carbon steel, Alloy steel, Stainless steel
Honed tube	20-2500mm, Heat treatment, honing, rolling
Piston rod	10-2000mm ,tempering, plated nickel, Chromium or ceramic
Working Pressure	5-300Mpa
Seals	Parker,Merkel,Hallite
Technology	Bosch CHINAMFG and Parker
Coating	Sandblasting, primer, middle paint,  finish paint
Temperature range	-40ºC to +300ºC
Work medium	Hydraulic Oil
Piston speed	maximum 2m/s
Mounting style	Earrings, flange, foot mounting, screw thread.

Product Application

Company Show

HETLOCK is a professional manufacturer of hydraulic cylinders in China, Founded in 1998, located in the international city of ZheJiang . Our plant is nearly 20000 square meter& We have 135 Employees including 11 experienced engineers and technical staff,More than 1800 type of hydraulic cylinder designed in every year. We can produce various kinds of hydraulic cylinders according to customer requirements.
The inside diameter of hydraulic cylinders can achieve the maximum 2500mm;
The hydraulic cylinders operating pressure can achieve the maximum 300MPa.

FAQ

Q1:Are you a manufacturer or trading company?
A: We are a manufacturer.

Q2: How many years of production experience do you have?
A: We have over 20 years of production experience.

Q3: Can it be customized?
A: Both standard and non-standard products can be customized.

Q4: How to ensure product quality?
A: We strictly follow the quality process for production and 100% inspection of each batch of products.

Q5: What services can you provide?
A: According to customer requirements, we can provide a one-stop solution from design, production, and delivery to meet their needs.

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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.

Contribution of Hydraulic Cylinders to the Precision of Robotic and Automation Systems

Hydraulic cylinders play a significant role in enhancing the precision of robotic and automation systems. These systems rely on precise and controlled movements to perform various tasks with accuracy and repeatability. Let’s explore how hydraulic cylinders contribute to the precision of robotic and automation systems:

1. Precise Positioning: Hydraulic cylinders enable precise positioning of robotic arms or automation components. They provide accurate control over the linear motion required for tasks such as picking, placing, and assembly. By precisely controlling the extension and retraction of the hydraulic cylinder, the system can achieve the desired position with high accuracy, ensuring precise alignment and consistent results.
2. Controlled Motion: Hydraulic cylinders offer controlled and smooth motion, which is crucial for precise operation in robotic and automation systems. The flow of hydraulic fluid can be precisely regulated to control the speed and acceleration of the cylinder’s movement. This precise control allows for gentle and controlled movements, minimizing vibrations, overshooting, or jerky motions that could affect the accuracy of the system.
3. Force Control: Hydraulic cylinders provide force control capabilities that contribute to precision in robotic and automation systems. By adjusting the hydraulic pressure, the force exerted by the cylinder can be precisely controlled. This is particularly valuable in applications that require delicate force-sensitive tasks, such as gripping fragile objects or performing precise force feedback during assembly or testing processes.
4. Load Handling: Hydraulic cylinders are capable of handling heavy loads, allowing robotic and automation systems to manipulate and transport objects with precision. The high force capabilities of hydraulic cylinders ensure secure and stable handling of loads, minimizing the risk of slippage or imprecise positioning. This is crucial in applications where precise control over heavy objects is required, such as material handling or industrial assembly processes.
5. Durability and Reliability: Hydraulic cylinders are known for their durability and reliability in demanding industrial environments. The ability to withstand repeated use, high loads, and harsh conditions ensures consistent performance over time. This reliability contributes to the precision of robotic and automation systems, as any deviation or failure in the cylinder’s movement could lead to inaccuracies or disruptions in the system’s operation.

In summary, hydraulic cylinders make significant contributions to the precision of robotic and automation systems by enabling precise positioning, controlled motion, force control, load handling, and offering durability and reliability. These capabilities ensure accurate and repeatable movements, minimize errors, and enhance the overall precision of the system. By incorporating hydraulic cylinders into robotic and automation systems, manufacturers can achieve higher levels of precision, efficiency, and productivity in various industrial applications.

How do hydraulic cylinders handle variations in load, pressure, and speed?

Hydraulic cylinders are designed to handle variations in load, pressure, and speed effectively. They incorporate features and components that allow them to adapt to changing operating conditions and maintain optimal performance. Here’s a detailed explanation of how hydraulic cylinders handle variations in load, pressure, and speed:

Variations in Load:

– Hydraulic cylinders are capable of handling variations in load by adjusting the force they exert. The force output of a hydraulic cylinder is determined by the hydraulic pressure and the surface area of the piston. When the load increases, the pressure in the hydraulic system can be adjusted to generate a higher force. This adjustment can be achieved by regulating the flow of hydraulic fluid into the cylinder using control valves. By controlling the pressure and flow, hydraulic cylinders can adapt to different load requirements, ensuring that the force applied is sufficient to handle the load while preventing excessive force that could cause damage.

Variations in Pressure:

– Hydraulic cylinders are designed to handle variations in pressure within the hydraulic system. They are equipped with seals and other components that can withstand high-pressure conditions. When the pressure within the hydraulic system fluctuates, the hydraulic cylinder adjusts accordingly to maintain its performance. The seals prevent fluid leakage and ensure that the hydraulic pressure is effectively transmitted to the piston, allowing the cylinder to generate the required force. Additionally, hydraulic systems often incorporate pressure relief valves and other safety mechanisms to protect the cylinder and the entire system from overpressure conditions.

Variations in Speed:

– Hydraulic cylinders can handle variations in speed through the control of hydraulic fluid flow. The speed of a hydraulic cylinder’s extension or retraction is determined by the rate at which hydraulic fluid enters or exits the cylinder. By adjusting the flow rate using flow control valves, the speed of the cylinder’s movement can be regulated. This allows for precise control over the speed, enabling operators to adapt to varying speed requirements based on the specific task or load. Furthermore, hydraulic systems can incorporate flow control valves with adjustable orifice sizes to fine-tune the speed of the cylinder’s movement.

Load-Sensing Technology:

– Advanced hydraulic systems may incorporate load-sensing technology to further enhance the ability of hydraulic cylinders to handle variations in load, pressure, and speed. Load-sensing systems monitor the load demand and adjust the hydraulic pressure and flow accordingly to meet that demand. This technology ensures that the hydraulic cylinder provides the necessary force while optimizing energy efficiency. Load-sensing systems are particularly beneficial in applications where the load requirements can vary significantly, allowing hydraulic cylinders to adapt in real-time and maintain precise control over force and speed.

Accumulators:

– Hydraulic systems can also utilize accumulators to assist in handling variations in load, pressure, and speed. Accumulators store hydraulic fluid under pressure, which can be released when needed to supplement the flow and pressure in the system. When there are sudden increases in load or pressure demands, accumulators can provide additional fluid to the hydraulic cylinder, ensuring smooth operation and preventing pressure drops. Similarly, accumulators can assist in maintaining consistent speed by compensating for fluctuations in flow rate. They act as a supplemental energy source, helping hydraulic cylinders respond effectively to variations in operating conditions.

In summary, hydraulic cylinders handle variations in load, pressure, and speed through various mechanisms and components. They can adjust the force output to accommodate different load requirements by regulating hydraulic pressure. The seals and components within hydraulic cylinders allow them to withstand variations in pressure within the hydraulic system. By controlling the flow of hydraulic fluid, hydraulic cylinders can regulate the speed of their movement. Advanced technologies such as load-sensing systems and the use of accumulators further enhance the adaptability of hydraulic cylinders to changing operating conditions. These features and mechanisms enable hydraulic cylinders to maintain optimal performance and provide reliable force and motion control in a wide range of applications.

<img src="https://img.jiansujichilun.com/img/hydrauliccylinders/hydrauliccylinders-l1.webp" alt="China Best Sales High Grade Long Stroke 12 Ton Hydraulic Cylinder for Sandvik Crusher supplier “><img src="https://img.jiansujichilun.com/img/hydrauliccylinders/hydrauliccylinders-l2.webp" alt="China Best Sales High Grade Long Stroke 12 Ton Hydraulic Cylinder for Sandvik Crusher supplier “>
editor by Dream 2024-10-09