Deskripsi Produk

 

U-Series Hydraulic Dock Leveler
The USeries Hydraulic Dock Leveler is a modern material handling solution, renowned for its simplicity, efficiency, and reliability. At the heart of this exceptional performance lies the hydraulic cylinder, a crucial component that transforms hydraulic energy into the motive force required for leveler operation.

The hydraulic cylinder in the USeries is specifically designed to handle the unique challenges of the material handling industry. Its robust construction and advanced materials ensure durability, while the efficient design promotes maximum force output with minimal energy consumption.

 

A-Series Hydraulic Dock Leveler
The hydraulic cylinder in the ASeries is specifically designed to withstand the demands of 
continuous use in a wide range of environments. Its robust construction and advanced materials ensure durability, while the efficient design promotes maximum force output with minimal energy consumption.

Furthermore, the cylinder’s efficiency is key to maintaining optimal operational speed and precision. Advanced engineering features, such as optimized piston geometry and friction-reducing coatings, enhance the cylinder’s performance,contributing to the overall efficiency of the A-Series Hydraulic Dock Leveler.

 

LHP Series Hydraulic Dock Leveler
The hydraulic cylinder in the LHP Series is a master of converting hydraulic pressure into motive force. This force is pivotal in manipulating the leveler’s position, whether it’s adjusting for height differences or handling heavy loads. Its robust design and construction ensure durability, even under the most rigorous conditions.
The cylinder’s role in maintaining consistent and accurate positioning cannot be overstated. Its precision and reliability are paramount in ensuring safe and efficient operation, particularly when handling bulk materials or containers. It counteracts external forces, maintaining stability and preventing unintended movements during operation.

Verse Series Hydraulic Dock Leveler
The hydraulic cylinder, a prime mover in the Verse Series Hydraulic Dock Leveler, is responsible for converting hydraulic energy into mechanical force. This force is then used to raise and lower the dock leveler, enabling it to adapt to the height differences between the dock and the truck bed. The cylinder’s design and construction must be robust enough to withstand the rigors of continuous use in a wide range of environmental conditions.
The hydraulic cylinder’s performance is crucial for the safe and efficient operation of the dock leveler. It ensures that the leveler plate maintains a consistent and stable position, even under heavy loads. The cylinder’s reliability is further enhanced by its ability to counteract any external forces that may act on the leveler, thus preventing unintended movements.

About Us

Established in  1988 , HangZhou LD Machinery Co, LTD. (hereinafter referred to “LD”) is a leading manufacturer specializing in the design, research, development, manufacture and marketing in the hydraulic industry. Being one of major suppliers of customized components and cylinders for manufacturers spreaded all over the world, the company is committed to offer high quality products with competitive prices and excellent service worldwide.

Headquartered in HangZhou City, ZHangZhoug Province, the company wholly owns a subsidiary production factory named “HangZhou YUEWEI Hydraulic Technology Co., Ltd”, which covers an area of more than   380,000 square meters , possesses abundant technical strength and sound production management system, superior machining production equipment, strict and effective quality control system, advanced and excellent inspection instruments.

More than   35  years experience in machining industry, with over   10  experienced technical engineers and   150  skilled workers, LD has a senior engineering technical team with special skills and rich experience in product design, casting, forging, and CNC machining, can handle special material, structure, defect and processing, meet the evolving needs, and provide optimal solution and real one-stop service to customers.
 

Hydraulic Cylinder Producing Process

Step1: Quality Control on Raw Material
We have our own lab in factory, inspect the raw material and do the test. For every batch of material we received, we will ask supplier provide their certificate, and then cut them to do the test again to see if the results match the certification. Also, every batch we received, we will cut them into pieces to check the air bubbles. Once they are all qualified, we will accept it, and all detail information will be recording in our ERP system. We will also pay lot of attention on the salt spray test for chrome rod. Every month, we will cut the material, put them into test machine to see if it reach the requirement. All the result will be recorded at our QC department. If customer need, we can provide it.

Step2: Quality Control on Machining

we start doing components machining from 1988 with 36 years experience now and insist doing 100% inspection. We spend lots of money, invest on auto robots and machines. Now half of the producing line is by robot so that we can ensure our quality be stable good. For every part of the cylinder, we do 3 times inspecting. Firstly, workers will do self inspection. Secondly, we have tour-hour inspection checking the products, 2 times in the morning and 2 times in the afternoon, make sure that every step is good. After the products are all completed, we will do 100% inspection. For thread, for the tolerance, everything, we need double check. Also, we have specific warehouse just for the measuring tools. Every inspector have their own measuring tool and we will check the measuring tools regularly to make sure they are all in good condition, so that the measuring results will be convincing.

Step3: Quality Control on Welding

We are qualified to AWS certification, which is very popular in North American market. First, for the visual test, we will make sure that every components are welded good, look beautiful. And the second, we need to check the penetration. We have more than 15 years experience, we do know what kind of designing angle can make the cylinder welding strong. Once we finish the first article, we will cut it and analyse the welding to see if it is fulfill the groove. And then do the radiographic testing to make sure there is no gap inside. What’s more, we will do the ultrasonic test to check the program for the robot. Now 80% of welding is doing by robot. Once the program confirmed, no 1 can change it unless the welding manager, and they only have 5% right.

Step4: Quality Control on Assembling
For assembling, we have some difference with others. The brand we uses for seals are all those famous brand like Aston, Parker, Hallite. The cylinder we give to our customer has 2 years warranty. For our company, we engrave our part number and manufacturing date for the quality warranty. So no matter for seals or any others, as long as they are parts of cylinder, if it is under 2 years, we will take responsibility for them. And we will do the test for every cylinder like for pressure after we finish assembling.

Step5: Quality Control on Painting
We have our half auto painting line. Right now, we can paint about 1500 cylinders per day, which is about 1 container. Before we do the painting, we will do the wash first and for every cylinder, we will test for hardness, thickness and adhesion to make sure the painting are all good, which will be recorded into OQC report, print out and stick on the box, ship to you with your products.

Step6: Hydraulic Cylinder Packing
For every cylinder, we have the stick to show the detail information like bore size, stroke and working pressure. And we will use individual plastic bag packing. If customer need, we can also use individual carton box packing. We will fasten 1 floor after 1 floor with plat, so customer can only cut what they need and other layer will still be fasten. Moreover, there will be plywood pallet or plywood box for customer choosing. We will also send the loading picture to customer after we ship them to make sure everything is well loaded in China.

Packing Reference

Order Process

Enterprise Features

FAQ
Q1. What is LD product’s quality assurance?
100% inspection for each product before shipping with inspection rereport for tracking.

Q2: How long is the warranty on LD products?
The warranty is 2 years for general products since the date of shipment.

Q3: How LD deal with the quality problem during warranty period?
1. LD will take the corresponding cost caused by customer local reparing. 
2. LD will provide the product by free if the repair cost is higher than the product value, but the freight involved shall be borne by customer side.

Q4: How to ensure the order can be shipped on time?
LD will send the “production schedule” every week after receiving customers’ orders. If any delays, LD will inform customers 3 weeks in advance, so as to facilitate the customer to arrange the schedule.

Q5: Does LD offer delivery service?
Yes. LD has deep cooperation with logistics companies all over the world to provide customers with quick and convenient “Door-to-Door services”,including sea, air and express.

Q6: How LD control the product quality?
1. Raw materials: We will test the material of each batch of raw materials we receive, and the piston rod will be tested with salt spray. This is to ensure that the material of our products meets the requirements at the beginning.
2. Processing: We have the leading machining equipment, and obtained ISO9001 certification.
3. Welding: Our factory is equipped with welding robots, and has obtained the AWS certification.
4. Assembly pressure test: 100% testing with OQC report for cHangZhou. The seals we use are: Hallite, Aston and Gapi

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After-sales Service:Local Service Support
Warranty:2 Years Warrenty
Structure:Piston Type
Oil Port:NPT/SAE/BSPP
Material:20#Steel/45#Steel
Seals:Parker/Hallite/Gapi
Samples:
US$ 199/Piece
1 Piece(Min.Order)

|

Customization:
Available

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silinder hidrolik

Bagaimana silinder hidrolik berkontribusi terhadap efektivitas biaya keseluruhan proses industri?

Silinder hidrolik memainkan peran penting dalam meningkatkan efektivitas biaya keseluruhan proses industri. Silinder ini menawarkan beberapa keunggulan dan berkontribusi pada peningkatan produktivitas, peningkatan efisiensi, pengurangan biaya perawatan, dan peningkatan kinerja operasional. Berikut penjelasan rinci tentang bagaimana silinder hidrolik berkontribusi pada efektivitas biaya proses industri:

1. Kepadatan Daya Tinggi:

– Silinder hidrolik memberikan rasio daya terhadap berat yang tinggi, sehingga mampu menghasilkan gaya yang besar dalam desain yang ringkas. Kepadatan daya ini memungkinkan penggunaan peralatan yang lebih kecil dan ringan, mengurangi biaya material dan manufaktur, serta meningkatkan efisiensi proses industri.

2. Kontrol Gaya dan Posisi yang Tepat:

– Silinder hidrolik menawarkan kontrol gaya dan posisi yang presisi, memungkinkan pergerakan dan penempatan mesin atau benda kerja yang akurat. Tingkat kontrol ini meningkatkan efisiensi proses, mengurangi pemborosan material, dan meningkatkan kualitas produk secara keseluruhan. Kontrol gaya yang presisi juga meminimalkan risiko kerusakan peralatan, sehingga semakin mengurangi biaya perawatan dan perbaikan.

3. Kapasitas Penanganan Beban Tinggi:

– Silinder hidrolik dikenal karena kemampuannya menangani beban tinggi. Silinder ini dapat mengerahkan gaya yang signifikan, sehingga cocok untuk aplikasi industri tugas berat. Dengan menangani beban berat secara efisien, silinder hidrolik berkontribusi pada peningkatan produktivitas dan kapasitas produksi, mengurangi kebutuhan akan peralatan tambahan dan menyederhanakan proses industri.

4. Fleksibilitas dan Keserbagunaan:

– Silinder hidrolik menawarkan fleksibilitas dan keserbagunaan tingkat tinggi dalam proses industri. Silinder ini dapat dengan mudah diintegrasikan ke dalam berbagai jenis mesin dan peralatan, sehingga memungkinkan beragam aplikasi. Kemampuan adaptasi ini mengurangi kebutuhan akan peralatan khusus, sehingga menghasilkan penghematan biaya dan peningkatan efisiensi operasional.

5. Efisiensi Energi:

– Sistem hidrolik, termasuk silinder hidrolik, dapat dirancang untuk beroperasi dengan efisiensi energi yang tinggi. Dengan memanfaatkan desain sirkuit hidrolik yang efisien, sistem kontrol canggih, dan mekanisme pemulihan energi, silinder hidrolik meminimalkan pemborosan energi dan mengurangi biaya operasional. Sistem hidrolik yang hemat energi juga berkontribusi pada operasi industri yang lebih berkelanjutan dan ramah lingkungan.

6. Daya Tahan dan Umur Pakai:

– Silinder hidrolik dirancang untuk tahan terhadap lingkungan industri yang menuntut dan penggunaan berat. Silinder ini dibuat dengan material yang kokoh dan menjalani langkah-langkah kontrol kualitas yang ketat untuk memastikan daya tahan dan umur pakai yang panjang. Kemampuannya untuk tahan terhadap kondisi yang keras dan gerakan berulang mengurangi kebutuhan penggantian yang sering, meminimalkan waktu henti dan biaya perawatan.

7. Persyaratan Perawatan yang Lebih Rendah:

– Silinder hidrolik membutuhkan perawatan yang relatif rendah dibandingkan dengan jenis aktuator lainnya. Sistem hidrolik yang dirancang dengan benar dengan mekanisme penyaringan dan pengendalian kontaminasi yang efisien dapat mencegah kerusakan pada silinder dan memperpanjang masa pakainya. Pengurangan kebutuhan perawatan menghasilkan waktu henti yang lebih rendah, penurunan biaya tenaga kerja, dan peningkatan efektivitas biaya proses industri.

8. Integrasi dan Otomatisasi Sistem:

– Silinder hidrolik dapat diintegrasikan dengan mudah ke dalam proses industri otomatis. Dengan memasukkan silinder hidrolik ke dalam sistem otomatis, tugas dapat dilakukan dengan presisi dan pengulangan yang baik, mengurangi kesalahan manusia dan mengoptimalkan efisiensi. Otomatisasi juga memungkinkan pengoperasian berkelanjutan, meningkatkan produktivitas dan efektivitas biaya secara keseluruhan.

9. Penggantian yang Hemat Biaya:

– Dalam situasi di mana silinder hidrolik memerlukan penggantian atau perbaikan, efektivitas biaya proses tetap terjaga. Silinder hidrolik biasanya berdesain modular, memungkinkan penggantian komponen individual atau unit lengkap dengan mudah. ​​Modularitas ini mengurangi waktu henti dan biaya terkait, karena hanya komponen yang terpengaruh yang perlu diganti, bukan seluruh sistem.

Singkatnya, silinder hidrolik berkontribusi pada efektivitas biaya keseluruhan proses industri melalui kepadatan daya yang tinggi, kemampuan kontrol yang presisi, kapasitas penanganan beban yang tinggi, fleksibilitas, efisiensi energi, daya tahan, pengurangan kebutuhan perawatan, integrasi sistem, dan pilihan penggantian yang hemat biaya. Kemampuannya untuk meningkatkan produktivitas, efisiensi, dan kinerja operasional sekaligus meminimalkan biaya perawatan dan waktu henti menjadikan silinder hidrolik sebagai komponen yang berharga dalam berbagai aplikasi industri.

silinder hidrolik

Integration of Hydraulic Cylinders with Equipment Requiring Rapid and Dynamic Movements

Hydraulic cylinders can indeed be integrated with equipment that requires rapid and dynamic movements. While hydraulic systems are generally known for their ability to provide high force and precise control, they can also be designed and optimized for applications that demand fast and dynamic motion. Let’s explore how hydraulic cylinders can be integrated with such equipment:

  1. High-Speed Hydraulic Systems: Hydraulic cylinders can be part of high-speed hydraulic systems designed specifically for rapid and dynamic movements. These systems incorporate features such as high-flow valves, optimized hydraulic circuitry, and responsive control systems. By carefully engineering the system components and hydraulic parameters, it is possible to achieve the desired speed and responsiveness, enabling the equipment to perform rapid movements.
  2. Valve Control: The control of hydraulic cylinders plays a crucial role in achieving rapid and dynamic movements. Proportional or servo valves can be used to precisely control the flow of hydraulic fluid into and out of the cylinder. These valves offer fast response times and precise flow control, allowing for rapid acceleration and deceleration of the cylinder’s piston. By adjusting the valve settings and optimizing the control algorithms, equipment can be designed to execute dynamic movements with high speed and accuracy.
  3. Optimized Cylinder Design: The design of hydraulic cylinders can be optimized to facilitate rapid and dynamic movements. Lightweight materials, such as aluminum alloys or composite materials, can be used to reduce the moving mass of the cylinder, enabling faster acceleration and deceleration. Additionally, the cylinder’s internal components, such as the piston and seals, can be designed for low friction to minimize energy losses and enhance responsiveness. These design optimizations contribute to the overall speed and dynamic performance of the equipment.
  4. Accumulator Integration: Hydraulic accumulators can be integrated into the system to enhance the dynamic capabilities of hydraulic cylinders. Accumulators store pressurized hydraulic fluid, which can be rapidly released to supplement the flow from the pump during high-demand situations. This stored energy can provide an extra boost of power, allowing for faster and more dynamic movements. By strategically sizing and configuring the accumulator, the system can be optimized for the specific rapid and dynamic requirements of the equipment.
  5. System Feedback and Control: To achieve precise and dynamic movements, hydraulic systems can incorporate feedback sensors and advanced control algorithms. Position sensors, such as linear potentiometers or magnetostrictive sensors, provide real-time position feedback of the hydraulic cylinder. This information can be used in closed-loop control systems to maintain precise positioning and execute rapid movements. Advanced control algorithms can optimize the control signals sent to the valves, ensuring smooth and dynamic motion while minimizing overshooting or oscillations.

In summary, hydraulic cylinders can be integrated with equipment that requires rapid and dynamic movements by utilizing high-speed hydraulic systems, employing responsive valve control, optimizing cylinder design, integrating accumulators, and incorporating feedback sensors and advanced control algorithms. These measures enable hydraulic systems to deliver the speed, responsiveness, and precision necessary for equipment operating in dynamic environments. By leveraging the capabilities of hydraulic cylinders, manufacturers can design and integrate systems that meet the requirements of applications demanding rapid and dynamic movements.

silinder hidrolik

How do hydraulic cylinders handle variations in load and pressure during operation?

Hydraulic cylinders are designed to handle variations in load and pressure during operation, making them versatile and efficient in various applications. Hydraulic systems use the principle of transmitting force through incompressible fluid to generate linear motion. Here’s a detailed explanation of how hydraulic cylinders handle variations in load and pressure:

1. Load Handling:

– Hydraulic cylinders are capable of handling different loads by utilizing the principle of Pascal’s law. According to Pascal’s law, when pressure is applied to a fluid in a confined space, the pressure is transmitted equally in all directions. In a hydraulic cylinder, the force applied to the piston results in an equal force output at the rod end of the cylinder. The size of the piston and the pressure exerted determine the force generated by the cylinder. Therefore, hydraulic cylinders can handle a wide range of loads by adjusting the pressure applied to the fluid.

2. Pressure Compensation:

– Hydraulic systems incorporate pressure compensation mechanisms to handle variations in pressure during operation. Pressure compensating valves or regulators are often used to maintain a consistent pressure in the hydraulic system, regardless of load changes. These valves automatically adjust the flow rate or pressure to ensure stable and controlled operation of the hydraulic cylinder. By compensating for pressure variations, hydraulic cylinders can maintain a consistent force output and prevent damage or instability due to excessive pressure.

3. Control Valves:

– Control valves play a crucial role in managing variations in pressure and load during hydraulic cylinder operation. Directional control valves, such as spool valves or poppet valves, control the flow of hydraulic fluid into and out of the cylinder, enabling precise control of the cylinder’s extension and retraction. By adjusting the position of the control valve, the speed and force exerted by the hydraulic cylinder can be regulated to match the load and pressure requirements of the application. Control valves allow for efficient handling of variations in load and pressure by providing fine-tuned control over the hydraulic system.

4. Accumulators:

– Hydraulic accumulators are often used to handle fluctuations in pressure and load. Accumulators store hydraulic fluid under pressure, which can be released or absorbed as needed to compensate for sudden changes in load or pressure. When the load on the hydraulic cylinder decreases, the accumulator releases stored fluid to maintain pressure and prevent pressure spikes. Conversely, when the load on the cylinder increases, the accumulator absorbs excess fluid to maintain system stability. By utilizing accumulators, hydraulic cylinders can effectively handle variations in load and pressure, ensuring smooth and controlled operation.

5. Feedback and Control Systems:

– Advanced hydraulic systems may incorporate feedback and control systems to monitor and adjust the operation of hydraulic cylinders in real-time. Position sensors or pressure sensors provide feedback on the cylinder’s position, force, and pressure, allowing the control system to make continuous adjustments to optimize performance. These systems can automatically adapt to variations in load and pressure, ensuring precise control and efficient operation of the hydraulic cylinder.

6. Design Considerations:

– Proper design considerations, such as selecting the appropriate cylinder size, piston diameter, and rod diameter, are essential for handling variations in load and pressure. The design should account for the maximum anticipated load and pressure conditions to ensure the hydraulic cylinder operates within its specified range. Additionally, the selection of suitable seals, materials, and components that can withstand the anticipated load and pressure variations is crucial for maintaining the reliability and longevity of the hydraulic cylinder.

By utilizing the principles of hydraulic systems, incorporating pressure compensation mechanisms, employing control valves and accumulators, and implementing feedback and control systems, hydraulic cylinders can effectively handle variations in load and pressure during operation. These features and design considerations allow hydraulic cylinders to adapt and perform optimally in a wide range of applications and operating conditions.

China Best Sales New Design 3000 CZPT Adaptable Replaceable Content Price Hydraulic Hoist Cylinder with CE   vacuum pump booster	China Best Sales New Design 3000 CZPT Adaptable Replaceable Content Price Hydraulic Hoist Cylinder with CE   vacuum pump booster
editor by CX 2024-01-17

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