وصف المنتج
Company introduction
HangZhou CHINAMFG is a comprehensive manufacturing enterprise engaged in hydraulic cylinders, excavator attachment, metal casting, hydraulic components with certification approval to meet custom or OEM requirements.
CHINAMFG owned factory offers customers effective-cost products with quality assurance. With its professional and experienced R&D team, CHINAMFG Hydraulic devotes itself to research and development to optimize products applied in construction, mining, waste management, forestry, agriculture, etc.
Model
CAT Series -322B-BL
Stick Number : 1772443
Boom Number :1184166
Bucket Number : 1232044
Product introduce
CAT excavator 320L boom cylinder ,arm cylinder,bucket cylinder
Our excavator hydraulic cylinder has 3 types,boom cylinder,arm cylinder,also named stick cylinder,bucket cylinder, we also can make bulldozer hydraulic lift cylinder.
They are made from good material that are heat-treated and hardened to improve the lifespan while meeting the demanding requirements of earthmoving and mining applications.
Цилиндр стрелы экскаватора CAT 322B-BL, цилиндр рукояти, цилиндр ковша
| Working temperature | -40°C ~ 80°C |
| Max. duration of extension | 0.5 hour |
| Color | RAL9005,Customize |
| Material | CK45,ST52,ST52-3,27SiMn,Customize |
| Seal kit | SKF, Trelleborg, Halite, Chesterton, NOK, Kayaba |
| Piston rod | Hard chromed |
| Packaging | Plywood case |
| Warranty | 12 months |
| Payment | T/T |
Specification
| Max. Working pressure | 250bar |
| وزن | 143kg |
| Working volume | 43L |
| Total volume | 47L |
| Max. Cyl. Load (start tipping) | 345kN |
| Extension | 1 | 2 | 3 |
| Diameter | 149mm | 129mm | 110mm |
| stroke | 1060mm | 1085mm | 1085mm |
Pictures
Excavator is the most widely used construction machinery.
The shock load, harsh working environment, precision movement control require high standards on excavator cylinders.
CHINAMFG guarantees excavator cylinder high performance of abrasion resistance and operation stability in any harsh condition has and gains recognition from every CHINAMFG customer with good quality at a lower cost.
CHINAMFG manufactures full-size excavator cylinders for mini excavators to largeexcavators.
Xihu (West Lake) Dis. Mining Group Co., Ltd. is a sizable multinational mining group performing most competitively in Chinese mining industry. CHINAMFG locate in the same CHINAMFG Mining output area, as the mining cylinder plant that grew up in the mining industry, we repair and reman a lot of mining haul truck cylinder. For a decade CHINAMFG has been focused on the production of various types of imported mine-used off-highway trucks & mining trucks.Our cylinders are mainly applied to world-famous brands such as Cat, Komatsu, Hitachi, Liebherr, BELAZ, and other famous international brands.
Single-Acting Telescopic Cylinders
This type of cylinder applies hydraulic pressure in 1 direction only and the return of the telescopic stages is by load such as a truck-trailer.
CHINAMFG single-acting multistage hoists are used widely throughout the transport sector, where they are used in tip trucks servicing agriculture, earthmoving, construction, food processing applications.
Double-Acting Telescopic Cylinder
This type of cylinder is constructed with porting to both the annular and full bore area so hydraulic pressure can be applied to both surfaces and the cylinder stages can move in multiple directions without the need of an outside force, such as gravity.ROCA double-acting multi-stage cylinders are used in a wide variety of applications across many industries where space restrictions prohibit the use of a rod cylinder and require a compact telescopic cylinder design.
There are a wide range of products in the cylinder industry and having a specialist working on behalf of the customer is very important. With our years of experience, our business is positioned to provide prompt service, value and long lasting customer relationships.We work toward getting you better products and better service with competitive price.
التعليمات
Q1.Do you have MOQ?
Depending on different ideas, Can be negotiated. The larger the quantity is, the competitive the unit price will be.
Q2.Should the customer pay the delivery fee, How much is it?
For the delivery fee, many samples are being requested to be sent, so we must get the delivery fee.
If you tell me to use the appointed Express, you will give me your express account or you will pay according to the Express.
If you do not request, I will choose a cheap one in China.
Q3.How about the after sale service?
1) We will always keep the quality the same as the buyer’s samples and if there is something with the quality, we will make compensation for our customers.
2) We will suggest our packing and take charge in our packing, we will keep the goods safe in the delivery.
3) We will trace the goods from the production to selling, we will solve the problems in the selling for our customers.
Q4.When can I get a price?
We usually quote within 24 hours after we get your inquiry.
Q5: Are you a trade company or manufacturer?
We are a professional manufacturer with our factory.
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| شهادة: | GS, RoHS, CE, ISO9001 |
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| ضغط: | Medium Pressure |
| درجة حرارة التشغيل: | Low Temperature |
| أمثلة: | US$ 260/Piece قطعة واحدة (الحد الأدنى للطلب) | Order Sample |
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| التخصيص: | متاح |
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.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
| Shipping Cost: Estimated freight per unit. | about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Can boom cylinders be used in construction equipment like cranes and excavators?
Yes, boom cylinders can be used in construction equipment such as cranes and excavators. Here’s a detailed explanation:
Boom cylinders play a vital role in the operation of construction equipment, including cranes and excavators. Here’s how boom cylinders are utilized in each of these applications:
- Cranes: Boom cylinders are an essential component of crane systems. They enable the extension, retraction, and elevation of the crane’s boom, allowing for lifting and lowering of heavy loads. Boom cylinders provide the necessary hydraulic force to articulate the boom sections and control the movement of the crane’s lifting arm. This capability allows cranes to reach various heights and positions, making them versatile and indispensable in construction projects that require lifting and positioning of materials, equipment, or structural components.
- Excavators: Boom cylinders are integral to the functionality of excavators. In excavators, boom cylinders control the movement of the boom, which is responsible for the vertical lifting and lowering of the excavator’s arm. The arm, in turn, enables the excavation, digging, and material handling operations. By extending and retracting the boom cylinder, operators can precisely control the depth and reach of the excavator’s bucket or attachment. Boom cylinders provide the necessary force for lifting heavy materials and allow for efficient digging and trenching in construction and earthmoving applications.
The use of boom cylinders in construction equipment like cranes and excavators offers several advantages. These include:
- Powerful Lifting Capacity: Boom cylinders provide the hydraulic force required to lift heavy loads, enabling cranes and excavators to handle substantial weights with ease and precision.
- Precise Control: Boom cylinders allow for precise control over the movement of the crane or excavator’s boom, ensuring accurate positioning and efficient operation.
- Adaptability: Boom cylinders can be customized to match the specific requirements of different crane and excavator models, allowing for versatility and compatibility across various construction applications.
- Durability: Boom cylinders are designed to withstand the rigorous demands of construction environments. They are constructed using robust materials and undergo thorough testing to ensure durability and longevity.
- Safety: Boom cylinders contribute to the safety of crane and excavator operations. The precise control and stability provided by boom cylinders help prevent accidents and ensure the safety of operators and surrounding structures.
Overall, boom cylinders are an integral part of construction equipment, including cranes and excavators. They enhance the functionality, lifting capacity, control, and safety of these machines, making them essential for construction projects of various scales and complexities.

كيف تساهم أسطوانة ذراع الرافعة في توزيع الأحمال والتحكم بها؟
يلعب أسطوانة ذراع الرافعة دورًا هامًا في توزيع الأحمال والتحكم بها. إليك شرحًا مفصلًا:
في تطبيقات متنوعة مثل معدات البناء، وآلات مناولة المواد، والرافعات المتنقلة، تتولى أسطوانات ذراع الرافعة مسؤولية دعم الحمل والتحكم فيه. فهي تساعد على توزيع قوى الحمل وتوفير تحكم دقيق في حركة ذراع الرافعة. إليك كيفية مساهمة أسطوانة ذراع الرافعة في توزيع الحمل والتحكم فيه:
- دعم الأحمال: صُممت أسطوانات ذراع الرافعة لتحمل ودعم الأحمال التي تتعرض لها أثناء التشغيل. تُركّب عادةً بين الهيكل الرئيسي للآلة وهيكل ذراع الرافعة، مما يوفر اتصالاً يتحمل وزن وقوى الحمل. يضمن التصميم المتين للأسطوانة وقدرتها على تحمل الأحمال توزيع الحمل بالتساوي ودعمه بشكل صحيح.
- توليد القوة: تولد أسطوانات ذراع الرافعة القوة اللازمة للتحكم في حركة الذراع. فمن خلال تمديدها أو تقليصها، تُسلط الأسطوانة قوة على الذراع، مما يسمح لها بالرفع أو الخفض أو التأرجح أو التمفصل حسب الحاجة. وتضمن قدرة الأسطوانة على توليد القوة وتنظيمها تحكمًا دقيقًا في الحمولة، مما يُسهم في التشغيل الآمن والفعال.
- تثبيت الحمولة: تساعد أسطوانات ذراع الرافعة على تثبيت الحمولة أثناء الرفع أو النقل. فمن خلال مقاومة الحركات أو الاهتزازات غير المرغوب فيها، تُسهم الأسطوانة في الحفاظ على استقرار الحمولة ومنع التأرجح أو الميلان أو الانزلاق المفرط. وتُساعد الحركة المُتحكَّم بها التي توفرها الأسطوانة على تقليل مخاطر تلف الحمولة أو الحوادث، مما يضمن عمليات أكثر أمانًا وتحكمًا.
- التوازن والمحاذاة: تساعد أسطوانات ذراع الرافعة في تحقيق توازن ومحاذاة الحمولة. فمن خلال التحكم في امتداد أو انكماش ذراع الرافعة، تُمكّن المشغلين من ضبط موضع الحمولة بالنسبة لمركز ثقل الآلة. وتساعد هذه القدرة على تحقيق التوازن على تحسين الاستقرار، ومنع الانقلاب، وتمكين تحديد موضع الحمولة بدقة.
- سرعة مُتحكَّم بها: تُتيح أسطوانات ذراع الرافعة تحكمًا دقيقًا في سرعة حركة الحمولة. فمن خلال تنظيم سرعة التمديد أو الانكماش، تسمح الأسطوانة للمشغلين بضبط سرعة الرفع أو الخفض وفقًا لمتطلبات المهمة. تُحسِّن هذه السرعة المُتحكَّم بها دقة مناولة الحمولة، وتقلل من قوى الصدم، وتُحسِّن السلامة العامة.
يوفر استخدام أسطوانة ذراع الرافعة في توزيع الأحمال والتحكم بها العديد من المزايا:
- تعزيز السلامة: تساهم أسطوانات ذراع الرافعة في استقرار الحمولة وتوازنها وحركتها المتحكم بها، مما يقلل من خطر حوادث الحمولة أو عدم استقرارها.
- التعامل الدقيق مع الأحمال: إن توليد القوة والسرعة المتحكم بها التي توفرها أسطوانات ذراع الرافعة تمكن المشغلين من التعامل مع الأحمال بدقة، مما يضمن وضعها بدقة ويقلل من احتمالية حدوث الضرر.
- تحسين الكفاءة: تعمل أسطوانات ذراع الرافعة على تسهيل توزيع الأحمال والتحكم فيها بكفاءة، مما يعزز الإنتاجية ويقلل الوقت اللازم لإنجاز المهام.
- تحسين قدرة التحميل: من خلال دعم وتوزيع قوى التحميل، تساعد أسطوانات ذراع الرافعة على تحسين قدرة التحميل وأداء الآلة.
بشكل عام، يُعدّ أسطوانة ذراع الرافعة عنصرًا أساسيًا في توزيع الأحمال والتحكم بها. فهي توفر الدعم للحمل، وتولّد القوة، وتثبّت الحمل، وتساعد في تحقيق التوازن والمحاذاة، وتتيح التحكم في السرعة. وتساهم هذه الميزات في مناولة الأحمال بشكل آمن ودقيق وفعّال في مختلف التطبيقات.
من المهم اتباع إرشادات وتوصيات الشركة المصنعة فيما يتعلق باختيار وتركيب وصيانة أسطوانات ذراع الرافعة لضمان عملها بشكل صحيح والتحكم الأمثل في الحمل.

What are the key components and features of a boom cylinder?
A boom cylinder consists of several key components and features that enable its functionality and performance in heavy machinery. Here’s a detailed explanation:
- Cylinder Barrel: The cylinder barrel is the main body of the boom cylinder, typically made of high-strength steel. It houses the piston, seals, and other internal components. The cylinder barrel is designed to withstand high pressure and provide structural integrity to the cylinder.
- Piston: The piston is a cylindrical component that moves back and forth inside the cylinder barrel. It is usually made of durable materials and acts as a barrier between the two chambers of the cylinder. The piston divides the cylinder into a rod side and a cap side, allowing hydraulic fluid to act on one side or the other to create the desired motion.
- Rod: The rod is a solid metal shaft attached to the piston and extending outside the cylinder barrel. It transmits the force generated by the hydraulic fluid to the boom or other connected components. The rod is designed to withstand tensile and compressive forces and is often coated or treated to resist corrosion and wear.
- Seals: Seals are essential components that prevent hydraulic fluid leakage and maintain the integrity of the cylinder. They are positioned between the piston, rod, and cylinder barrel to create a tight seal. Common types of seals used in boom cylinders include piston seals, rod seals, and wiper seals.
- Ports and Fittings: Boom cylinders have ports and fittings that allow the connection of hydraulic hoses or pipes to supply hydraulic fluid. These ports enable the controlled flow of hydraulic fluid into and out of the cylinder, creating the necessary pressure for boom movement.
- Mounting Brackets: Mounting brackets are used to attach the boom cylinder to the heavy machinery’s frame or structure. They provide stability and support, ensuring proper alignment and secure installation of the cylinder.
- Internal Cushions: Some boom cylinders feature internal cushions or shock absorbers. These cushions help dampen the impact and reduce vibrations during the extension or retraction of the boom. Internal cushions improve the smoothness of boom movement, enhance operator comfort, and reduce stress on the cylinder and other components.
- Corrosion Protection: Boom cylinders are often coated or treated with corrosion-resistant materials to withstand harsh environmental conditions. These protective measures help extend the cylinder’s lifespan and maintain its performance over time.
- Load Capacity and Pressure Rating: Boom cylinders are designed with specific load capacities and pressure ratings to handle the heavy loads and pressures involved in heavy machinery operations. The load capacity and pressure rating determine the cylinder’s strength and suitability for different applications.
In summary, the key components and features of a boom cylinder include the cylinder barrel, piston, rod, seals, ports and fittings, mounting brackets, internal cushions, corrosion protection, load capacity, and pressure rating. These components and features work together to enable the controlled extension, retraction, lifting, and lowering of the boom in heavy machinery, ensuring efficient and reliable operation.


editor by Dream 2024-05-13