Product Description
Product Parameters
Main material | Q345B / NM400 |
Brand name | Rongmaoda |
Technology type | Laser Cutting/Bending/ Stamping/CNC Turning/Milling/Boring/Drilling/Grinding/Welding/Robot Welding/Shot Blasting(Sand Blasting)/Painting/Powder Coating |
Color | yellow, orange, grey or as customer’s request |
Available for brand as below: | |
Ko matsu | PC20 PC30 PC40 PC55 PC60 PC100 PC120 PC180 PC200 PC210 PC220 PC240 PC260 PC300 PC360 PC400 PC450 D20 D30 D31 D50 D60 D65 D61 D80 D85 |
CHINAMFG | EX30 EX30 EX55 EX60 EX100/120 EX150 EX200 EX210 EX220 EX300 EX350 EX400 EX450 ZX55 ZX70 ZX200 ZX240 ZX270 ZX330 ZX350 FH150 FH200 |
C A T | E70 E120 E240 E300B E305.5 E307 E311/312 E320 E322 E325 E330 E345 E450 C AT215 C AT225 C AT235 D3C D4D D4H D4E D5 D5H D5H D6D D6E D6H D7G |
CHINAMFG | SK07C SK03N2 SK55 SK60 SK100 SK20 SK140 SK200 SK210 SK220 SK230 SK350 SK260 SK30 SK310 SK320 SK330 SK350 SK450 K907 PH335 PH440 |
CHINAMFG | SH60 SH120 SH20 SH220 SH280 SH300 SH350 LS108 LS118 LS2800 |
CHINAMFG | HD250 HD307 HD450 HD700 HD770 HD800 HD820 HD1250 |
CHINAMFG | R55 R60 R80 R130 R200 R210 R215 R225 R230 R290 R320 R450 |
Daewoo/Doosan | DH55 DH60 DH150 DH220 DH280 DH300 |
CHINAMFG | SE210 SE280 SE350 |
CHINAMFG | EC55 EC140 EC210 EC240 EC290 EC360 EC460 |
CHINAMFG | MS110 MS180 |
CHINAMFG | YC35 YC60 YC65 YC85 |
other | BS2F BS3F BD2G UB1 12HD CCH500 CCH1500 LB944 SP33 |
Product Description
We can also customize various types of excavator parts, such as bucket bars, front frames, buckets, support wheels, drive teeth, chains, chain pins, bucket shafts, etc. We can also make customized parts according to the drawings you give us.
The working device of the backhoe adopts the principle of linkage mechanism, while the movement of each part is realized through the expansion and contraction of the cylinders. The linkage between each part of the backhoe working device adopts articulation, and various movements in the excavation process are realized through the change of the stroke of each cylinder.
Excavator hydraulic rods are devices that produce movement of rods under force by hydraulic pressure provided by a hydraulic system. A hydraulic rod usually consists of a piston, piston rod, sealing device and rod body. Hydraulic rods convert hydraulic pressure into linear motion through hydraulic cylinders, thus enabling the excavator to work.
More Products
We can make all kinds of customized fittings, according to the drawings you give us, all fine measurements before leaving the factory, to ensure that there is no problem, quality is guaranteed
Company Profile
HangZhou Rongmaoda Precision Machinery Co., Ltd. Was established in 2015 and is located at 557 Maoshan Road, HangZhou, ZheJiang , China. The company has more than 30 production equipment, including Newway CNC boring and milling machines, Newway gantry machining centers, CNC gantry milling machines, digital boring machines, CNC machining centers, turning and milling composite machines, CNC double head CNC boring and milling machines, wire cutting, CNC lathes, milling machines, cylindrical and flat grinding machines, welding, and more. It also has multiple inspection equipment, professional CNC machining process programming, and more than 50 managers of foreign manufacturing factories.
The company has always adhered to the business philosophy of “integrity, crystal quality, service, and win-win”, and the business policy of continuous innovation and customer satisfaction. We provide domestic and foreign customers with reasonably priced and qualified parts, and wholeheartedly serve customers with rigorous and professional spirit and high-quality and high standard services to achieve CHINAMFG results.
Certifications
Our factory is specialized in manufacturing the engineering spare parts including rock bucket & standard earthmoving bucket, bucket rippers, cutting edges and end bits, grader blade, track shoes, sprocket shank for excavators, bulldozers, graders, etc. We have cooperation with Komasu, Catepillar, Volvo, Shantui, Sanny, Zoomlion, etc, and provide OEM as well as customized services to many international distributors of engineering machinery spare parts. Our products are well received all over the world.
Packaging & Shipping
FAQ
Q 1: Are you the manufacturer?
A 1: Yes, we are manufacturer. We have our own factory and a group of professional technicians.
Q 2: What products do you offer?
A 2: HangZhou Rongmoda Precision Machinery Co., Ltd. specializes in excavator parts, such as buckets, slewing bearings, track adjuster assemblies, bushings and so on. We manufacture dust collectors and dust collector parts, such as bags, skeletons (bag cages), electromagnetic pulse valves, pulse controllers, star-type ash discharging valves, etc. In addition, we also produce a variety of industrial/engineering processing parts.
Q 3: Do I need to pay customs duty?
A 3: If you are not familiar with customs clearance, we can help with customs clearance, we can accept FOB/CFR/CIF and other trade methods.
Q 4: What kind of shipments can you offer?
A 4: By sea, air or express (DHL, Fedex, TNT, UPS, EMS).
Q 5: How soon can you deliver?
A 5: Normal delivery time is 7-15 days depending on your country.We have raw material inventory and high-efficiency processing equipment, which can guarantee on-time delivery.
Q 6: Do you provide free samples? If not, how to charge?
A 6: No. Most of our products are OEM. Most of our products are OEM production, so we do not sell our customers’ designs to third parties. For new product development, we will provide samples for approval prior to mass production. The unit price for samples is the same as the unit price for bulk orders.
/* May 10, 2571 16:49:51 */!function(){function d(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

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.

Can boom cylinders be used in forestry equipment for tree handling?
Yes, boom cylinders can be used in forestry equipment for tree handling. Here’s a detailed explanation:
Forestry equipment is specifically designed for various tasks related to the harvesting, processing, and transportation of trees and timber. Boom cylinders play a crucial role in tree handling within forestry equipment. Here’s how boom cylinders are utilized in this context:
- Tree Felling: Boom cylinders are used in tree felling equipment, such as feller-bunchers or harvesters. They provide the necessary hydraulic force to control the cutting head or cutting arm, allowing operators to fell trees with precision and control. Boom cylinders enable smooth and controlled movement during the tree felling process.
- Tree Loading and Unloading: In forestry equipment used for log loading and unloading, such as log loaders or skidders, boom cylinders are employed to handle the trees. They enable the lifting, lowering, and positioning of logs or tree stems for loading onto trucks or transporting within the logging site. Boom cylinders provide the necessary force and controlled movement for efficient tree handling.
- Tree Processing: Forestry equipment used for tree processing, such as delimbers or debarkers, utilize boom cylinders to manipulate the trees during the processing operations. Boom cylinders facilitate the controlled movement, positioning, and rotation of the trees, allowing for efficient and precise processing.
- Attachment Control: Boom cylinders are also used to control various attachments in forestry equipment. For example, grapples or clamps used for tree handling can be actuated by boom cylinders. This enables secure gripping, lifting, and manipulation of trees, enhancing the efficiency and safety of tree handling operations.
The use of boom cylinders in forestry equipment for tree handling offers several benefits:
- Precise Control: Boom cylinders provide operators with precise control over the movement and positioning of trees. This precision allows for accurate felling, loading, unloading, and processing of trees, minimizing waste and optimizing productivity.
- Efficient Tree Handling: Boom cylinders enable efficient tree handling by providing the necessary force to lift and manipulate trees of various sizes and weights. The controlled movement and positioning facilitated by boom cylinders streamline the workflow and reduce manual effort, improving overall productivity.
- Operator Safety: Boom cylinders contribute to operator safety during tree handling operations. The controlled movement and stability provided by boom cylinders minimize the risk of accidents or injuries caused by uncontrolled tree movement or sudden shifts in load.
- Adaptability: Boom cylinders can be customized to match the specific requirements of different forestry equipment and tree handling tasks. This adaptability allows for versatility in tree handling, accommodating various tree species, sizes, and terrain conditions.
Overall, boom cylinders are valuable components in forestry equipment for tree handling. They enable precise control, efficient tree manipulation, operator safety, and adaptability to various tree handling tasks in the forestry industry.
It’s important to consult the equipment manufacturer’s guidelines and recommendations to ensure the proper selection, installation, and maintenance of boom cylinders in forestry equipment.

How does a boom cylinder differ from other types of hydraulic cylinders?
A boom cylinder differs from other types of hydraulic cylinders in terms of its design, function, and application. Here’s a detailed explanation of the differences:
- Design: Boom cylinders are specifically designed for heavy machinery, such as excavators, cranes, and loaders, where they are used to control the movement of the boom. They are typically larger and more robust compared to other hydraulic cylinders to handle heavy loads and withstand harsh operating conditions.
- Function: The primary function of a boom cylinder is to extend, retract, lift, and lower the boom of heavy machinery. It provides the necessary force and control to maneuver the boom for tasks such as excavation, material handling, or lifting heavy loads. Other types of hydraulic cylinders, such as single-acting or double-acting cylinders, may serve different purposes, such as linear motion control or actuation of specific machine components.
- Application: Boom cylinders are predominantly used in heavy machinery applications where the boom’s movement is critical, such as construction, mining, and material handling. They are specifically designed to meet the requirements of these industries, including the ability to handle high loads, repetitive movements, and extreme operating conditions. Other hydraulic cylinders, on the other hand, have a wide range of applications across various industries, including manufacturing, agriculture, automotive, and aerospace.
- Size and Capacity: Boom cylinders are typically larger in size and have higher load capacities compared to other hydraulic cylinders. This is because they need to accommodate the size and weight of the boom and handle the significant forces involved in heavy machinery operations. Other types of hydraulic cylinders come in various sizes and load capacities, depending on their specific application and requirements.
- Integration: Boom cylinders are often integrated into the hydraulic systems and control mechanisms of heavy machinery. They work in conjunction with other hydraulic components, such as pumps, valves, and actuators, to ensure synchronized and precise boom movements. Other hydraulic cylinders may also be integrated into different systems, but their integration and functionality may vary depending on the specific application.
In summary, a boom cylinder differs from other types of hydraulic cylinders in terms of design, function, application, size, capacity, and integration. Its specialized design and function make it suitable for controlling the movement of the boom in heavy machinery, providing the necessary force, control, and durability required for demanding applications in construction, mining, and material handling industries.
<img src="https://img.jiansujichilun.com/img/hydrauliccylinders/hydrauliccylinders-l1.webp" alt="China best R946 R964 R974 R980 Telescopic Excavator Hydraulic Boom Arm Bucket Spoon Cylinder with Great quality “><img src="https://img.jiansujichilun.com/img/hydrauliccylinders/hydrauliccylinders-l2.webp" alt="China best R946 R964 R974 R980 Telescopic Excavator Hydraulic Boom Arm Bucket Spoon Cylinder with Great quality “>
editor by Dream 2024-10-09