وصف المنتج
وصف المنتج
ZX870-5G Boom Oil Cylinder Matching For CHINAMFG Digger Attachment
| اسم المنتج | ZX870-5G Boom Cylinder,Hitachi ZX870-5G Excavator Hydraulic Cylinder,ZX870-5G Bucket/Arm Cylinder |
| Material | Aluminum, Cast lron,45mnb Steel,Stainless Steel |
| Part Number | Hitachi ZX870-5G |
| Colors | Black,Yellow,Blue.Brown.Customizable |
| Customized | OEM&ODM are accepted |
| Work Press | 7/14/16/21/31.5MPa 37.5/63MPa Can be Customized |
| Package | Wooden Case |
Catalogue
Related Excavator Spare Parts Products
طلب
All Of Our Spare Parts Are Suitable For These Brand Replacement
| BRAND/ TYPE | MACHINERY MODEL NUMBER | |||||||
| KOMATSU-PC | PC20 | PC30-5 | PC30-6 | PC30-7 | PC30-8 | PC35 | PC40 | PC45 |
| PC50 | PC55 | PC40-5 | PC40-6 | PC40-7 | PC50 | PC55 | PC60-1 | |
| PC60-3 | PC60-5 | PC60-6 | PC60-7 | PC75 | PC100-1 | PC100-3 | PC100-5 | |
| PC100-6 | PC100-7 | PC120-3 | PC120-5 | PC120-6 | PC120-7 | PC150 | PC200-1 | |
| PC200-3 | PC200-5 | PC200-6 | PC200-7 | PC200-8 | PC220-1 | PC220-3 | PC220-5 | |
| PC220-6 | PC220-7 | PC220-8 | PC200LC-3 | PC200LC-5 | PC200LC-6 | PC200LC-7 | PC200LC-8 | |
| PC240 | PC300-1 | PC300-5 | PC300-6 | PC300-7 | PC300LC | PC300LC-5 | PC300LC-6 | |
| PC300LC-7 | PC360-5 | PC360-6 | PC360-7 | PC360LC-5 | PC360LC-6 | PC360LC-7 | PC360LC-8 | |
| PC400-1 | PC400-3 | PC400-5 | PC400-6 | PC400-7 | PC400LC-1 | PC400LC-3 | PC400LC-5 | |
| PC400LC-6 | PC400LC-7 | PC450-5 | PC450-6 | PC450-7 | PC450LC-5 | PC450LC-6 | PC450LC-7 | |
| PC650 | PC750 | PC800 | PC350 | |||||
| KOMATSU-D | D20 | D31 | D37EX-21 | D40 | D41P-6 | D41E-6 | D50 | D53 |
| D51EX-22 | D60 | D65 | D65-12 | D61EX-12 | D65EX-12 | D65PX-12 | D80 | |
| D85 | D85EX-15 | D85-21 | D155 | D155A-1 | D155A-2 | D155A-3 | D155A-5 | |
| D155-6 | D275 | D355A-3 | D375-5 | |||||
| CATERPILLAR-CAT-E-B-C/D | E200B | E200-5 | E320D | E215 | E320DL | E324D | E324DL | E329DL |
| E300L | E320S | E320 | E320DL | E240 | E120-1 | E311 | E312B | |
| E320BL | E345 | E324 | E140 | E300B | E330C | E120 | E70 | |
| E322C | E322B | E325 | E325L | E330 | E450 | E55 | E70B | |
| E120B | E312 | CAT55 | CAT225 | CAT311 | CAT312 | CAT312B | CAT315 | |
| CAT320 | CAT320C | CAT320BL | CAT330 | CAT322 | CAT245 | CAT325 | CAT320L | |
| CAT973 | CAT345 | CAT345B | CAT320D | CAT330B | CAT330BL | CAT330C | CAT330D | |
| CAT325B | CAT325BL | CAT345B | ||||||
| CATERPILLAR-D | D3C | D4 | D4D | D4E | D4H | D5 | D5B | D5C |
| D5H | D5M | D5N | D6 | D6C | D6D | D6R | D6H | |
| D6T | D7G | D7R | D7H | D8N | D8L | D8T | D8R | |
| D8H | D8K | D9L | D9N | D9R | D9T | D10N | D10R | |
| D10T | D11N | D11R | ||||||
| HITACHI-EX | EX30 | EX40 | EX55 | EX60 | EX60-2 | EX60-3 | EX60-5 | EX70 |
| EX75 | EX100 | EX100-3 | EX100-5 | EX120 | EX120-1 | EX120-3 | EX120-5 | |
| EX130-1 | EX200-1 | EX200-2 | EX200-3 | EX200-5 | EX220-3 | EX220-5 | EX270 | |
| EX300 | EX300-1 | EX300-2 | EX300-3 | EX300-5 | EX300A | EX330 | EX370 | |
| EX400-1 | EX400-2 | EX400-3 | EX400-5 | EX200LC-1 | EX200LC-2 | EX200LC-3 | EX200LC-5 | |
| EX270-1 | EX270-2 | EX270-5 | EX270LC-1 | EX270LC-2 | EX270LC-5 | EX300LC-1 | EX300LC-2 | |
| EX300LC-3 | EX300LC-5 | EX400LC-1 | EX400LC-2 | EX400LC-3 | EX400LC-5 | EX450 | EX450-1 | |
| EX450-2 | EX450-3 | EX450-5 | EX450LC-1 | EX450LC-2 | EX450LC-3 | EX450LC-5 | UH07-7 | |
| ZAX30 | ZAX55 | ZAX200 | ZAX200-2 | ZAX330 | ZAX450-1 | ZAX450-3 | ZAX450-5 | |
| UH043 | UH052 | UH053 | UH07 | UH081 | UH082 | UH083 | ||
| ZAXIS-ZAX-ZX | ZAX55 | ZAX70 | ZAX120 | ZAX200 | ZAX210 | ZAX230 | ZAX240 | ZAX330 |
| ZAX450 | ZAXIS 110 | ZAXIS 120 | ZAXIS 60 | ZAXIS 200-3 | ZAXIS 200-6 | ZAXIS 240 | ZAXIS 270 | |
| ZAXIS 330 | ZAXIS 360 | ZAXIS 450 | ZAXIS 870 | |||||
| VOLVO-EC | VOLVO55 (EC55) | VOLVO140 (EC140) | VOLVO210 (EC210) | VOLVO240 (EC240) | VOLVO290 (EC290) | VOLVO360 (EC360) | VOLVO460 (EC460) | VOLVO460 (EC700) |
| DAEWOO-DH DOOSAN-DX | DH55 | DH60 | DH80 | DH130 | DH150 | DH200 | DH220 | DH258 |
| DH280 | DH300 | DH320 | DH360 | DH370 | DH400 | DH420 | DH500 | |
| DX300 | DX370 | DX380 | ||||||
| KOBELCO-SK | SK35 | SK55 | SK60-1 | SK60-2 | SK60-5 | SK100 | SK120 | SK130-8 |
| SK200-3 | SK200-5 | SK200-8 | SK210 | SK230 | SK250 | SK300 | SK320 | |
| SK330 | SK350 | SK07N2 | ||||||
| SUMITOMO-SH-LS | SH35 | SH55 | SH60 | SH65 | SH75 | SH100 | SH120 | SH120A3 |
| SH200 | SH220 | SH265 | SH280 | SH300 | SH320 | SH340 | SH350 | |
| SH430 | LS2800 | |||||||
| SANY-SY | SY65 | SY90 | SY130 | SY200 | SY215 | SY330 | SY335 | SY365 |
| KATO-HD | HD250 | HD400 | HD450 | HD700 | HD770 | HD820 | HD1571 | HD1250 |
| HD1430 | HD800 | HD1100 | ||||||
| HYUNDAI-R | R55 | R60 | R80 | R130-5 | R130-7 | R150 | R150LC-7 | 200 راند |
| R200-5 | R210 | R210-3 | R210-7 | R215-7 | R220-5 | R220-5 | R225-7 | |
| R260-5 | R265 | R275 | R290 | R300 | R300-5 | R305 | R320 | |
| R360 | R385 | R420 | R450-3 | R450-5 | ||||
| SUNWARD-SWE | SWE35 | SWE40 | SWE50 | SWE55 | SWE60 | SWE70 | SWE85 | SWE330 |
| YUCHAI-YC | YC35 | YC45 | YC60 | YC85 | YC135 | |||
| Kubota-KX | KX35 | KX50 | KX55 | KX80 | KX85 | KX135 | KX155 | KX185 |
| LIEBHERR-R | R914 | R916 | R924 | R926 | R934C | R944C | R954 | R964/ R974 |
| LIUGONG -LG | LIUGONG150 (LG150) | LIUGONG200(LG200) | LIUGONG220 (LG220) | LIUGONG907 (LG907) | LIUGONG914 (LG914) | LIUGONG925 (LG925) | LIUGONG936 (LG936) | |
| CASE-CX | CX35 | CX45 | CX55 | CX75 | CX135 | CX240 | CX360 | |
| LONKING- | LONKING60 | LONKING65 | LONKING85 | IHISCE-IHI | IHI35 | IHI80 | IHI85 | |
| YANMAR-VIO | VIO30 | VIO40 | VIO55 | VIO75 | TAKEUCHI-TB | TB150 | TB175 | |
| FUTON LOVOL-FR | FR65 | FR85 | ||||||
| ميتسوبيشي | MS110 | MS120 | MS180 | MS230 | MS280 | |||
Here are the more machinery models, please kindly contact us freely if any enquiry.
Production process
نبذة عن الشركة
About us:
Main Market
التعليمات
Q: What main products do you supply?
A: Track roller/Carrier roller/ Sprocket/ Segment/ Front idler/ Track shoe/ track chain/ Bolt/ Nut/ Pin/ Bushing/ Seal and gasket/ Filter/ Bucket teeth/ Bucket/ adaptor and other spare parts.
Q: How is your quality?
A: OEM Quality: all products size following OEM strictly. The quality is absolutely guaranteed,
if there are problems related to quality, please tell us, we will do our best to make you satisfied.
Q: What is your delivery time?
A: Generally, If we have your required items in stock, delivery time 7-10 days.
Or if your required items out of stock, delivery time need about 15days.
The actual delivery time depends on the items and the quantity of your order.
Q: What is your sample policy?
A: We accept a trial sample order if ready parts in stock.
You are welcome to send us samples or spec. Drawing. We can build new mould and produce products accordingly.
Q: How to make payment?
A: We accept multiple payment methods: Bank transfer T/T, Paypal, L/C at sight and so on.
Payment=3000USD, 30% T/T in advance , the balance before shipment.
Q: How to track the goods if order shipped?
A: We will inform you the shipping information after your order is sent out.
Express shipment: we will send you express tracking number.
Air shipment: we will send you AWB, Packing list and Commercial invoice and other necessary documents.
Sea shipment: we will send you BL, Packing list and Commercial invoice and other necessary documents.
Q: Which countries have you ever exported to?
A: Our products have been exported to more than 60 countries such as USA, UK, Germany, Russia, UAE, Indonesia, Malaysia, Thailand, Sri Lanka, INDIA, Pakistan, Bangladesh, South Africa, Colombia, Peru and etc.
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| After-sales Service: | Technical Support |
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| Warranty: | 6-12months |
| Type: | Hydraulic Cylinder |
| أمثلة: | US$ 350/Piece قطعة واحدة (الحد الأدنى للطلب) | Order Sample |
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| التخصيص: | متاح |
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| 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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How does a boom cylinder handle variations in load capacity and weight?
A boom cylinder is designed to handle variations in load capacity and weight in heavy machinery. Here’s a detailed explanation:
When a machinery equipped with a boom cylinder is used for different tasks, the load capacity and weight requirements may vary. The boom cylinder is designed to accommodate these variations and ensure optimal performance. Here are the key factors that contribute to how a boom cylinder handles load capacity and weight variations:
- Force Generation: The boom cylinder generates the necessary force to move the boom, arm, or attachment of the machinery. The force generated by the cylinder can be adjusted based on the load capacity and weight requirements. By controlling the hydraulic pressure and flow rate, the operator can regulate the force exerted by the cylinder, allowing it to handle both lighter and heavier loads.
- Adjustable Stroke Length: Boom cylinders often have an adjustable stroke length, which is the distance the piston can travel within the cylinder. By adjusting the stroke length, the cylinder can adapt to different load capacities and weight distributions. For heavier loads, a longer stroke may be required to provide the necessary extension or retraction of the boom. Conversely, for lighter loads, a shorter stroke may be sufficient, optimizing the cylinder’s efficiency.
- Pressure Compensation: Some boom cylinders are equipped with pressure compensation mechanisms. These mechanisms automatically adjust the hydraulic pressure within the cylinder to compensate for variations in load capacity and weight. For example, as the load on the boom increases, the pressure compensation mechanism increases the hydraulic pressure, ensuring consistent force and control throughout the operation.
- Integration with Load Sensing Systems: Boom cylinders can be integrated with load sensing systems that provide real-time feedback on the load capacity and weight. Load sensing systems use sensors to measure the force exerted on the boom or attachment and transmit this information to the hydraulic control system. The hydraulic control system can then adjust the pressure and flow rate to match the load requirements, optimizing the cylinder’s performance.
- Multi-Stage Cylinders: In some cases, machinery may be equipped with multi-stage boom cylinders. These cylinders have multiple sections or stages that can be extended or retracted independently. Each stage may have different dimensions and force capabilities. By adjusting the extension or retraction of each stage, the cylinder can adapt to varying load capacities and weight distributions, providing precise control and handling.
By incorporating these design features and mechanisms, a boom cylinder can effectively handle variations in load capacity and weight. This allows the machinery to perform a wide range of tasks with different load requirements, providing versatility and efficiency in industries such as construction, mining, material handling, and more.

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 CX 2024-03-10