Product Description
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.
ROCA 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 |
| Weight | 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.
ROCA 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.
Roca 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.
ROCA 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.
FAQ
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.
| Certification: | GS, RoHS, CE, ISO9001 |
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| Pressure: | Medium Pressure |
| Work Temperature: | Low Temperature |
| Samples: |
US$ 260/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
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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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Can hydraulic cylinders be used in rough terrain forklifts?
Yes, hydraulic cylinders can be used in rough terrain forklifts. Hydraulic systems, including hydraulic cylinders, are an essential component of rough terrain forklifts and play a crucial role in their operation. Here’s an explanation of their use:
Rough terrain forklifts are specifically designed to operate in challenging outdoor environments, such as construction sites, lumber yards, and agricultural settings. These forklifts are equipped with features that allow them to navigate uneven terrain, slopes, and other rough surfaces. Hydraulic cylinders are integral to their performance in the following ways:
1. Lifting Functionality:
The hydraulic cylinder in a rough terrain forklift is responsible for lifting and lowering the load-carrying forks. It provides the necessary force to elevate heavy loads to the desired height. The hydraulic system allows precise control over the lifting speed and positioning, enabling efficient material handling even on rough and uneven surfaces.
2. Suspension System:
Rough terrain forklifts are equipped with a suspension system that helps absorb shocks and vibrations during operation. Hydraulic cylinders are often used as part of the suspension system to provide damping and improve ride comfort. These cylinders help cushion the impact of uneven terrain, reducing the transfer of vibrations to the forklift and the load being carried.
3. Stability and Balance:
Hydraulic cylinders contribute to the stability and balance of rough terrain forklifts. They are used to control the extension and retraction of the mast assembly, which supports the forks and the load. By adjusting the mast height and angle, the cylinders help maintain stability and balance, especially when operating on slopes or uneven ground.
4. Steering and Maneuverability:
Some rough terrain forklifts utilize hydraulic cylinders in their steering mechanisms. These cylinders assist in turning and maneuvering the forklift, allowing it to navigate through tight spaces and negotiate obstacles on rough terrain. The hydraulic system provides the necessary power and control for smooth and precise steering operations.
Overall, hydraulic cylinders are essential components of rough terrain forklifts. They enable the lifting functionality, contribute to the suspension system for improved ride comfort, help maintain stability and balance, and assist in steering and maneuverability. By utilizing hydraulic power, these forklifts can effectively handle the challenges of rough outdoor environments and ensure efficient material handling operations.
In summary, hydraulic cylinders are indeed used in rough terrain forklifts. Their presence in these forklifts enables reliable lifting, enhances stability and balance, improves ride comfort through suspension systems, and assists in steering and maneuverability on uneven surfaces. The use of hydraulic technology is instrumental in achieving optimal performance and productivity in rough terrain applications.

How does a forklift hydraulic cylinder handle variations in cylinder mounting?
A forklift hydraulic cylinder is designed to handle variations in cylinder mounting to accommodate different forklift configurations and applications. Here’s an explanation of how it can handle such variations:
The forklift hydraulic cylinder handles variations in cylinder mounting in the following ways:
1. Adjustable Mounting Brackets:
Many forklift hydraulic cylinders feature adjustable mounting brackets. These brackets allow for flexibility in positioning and aligning the cylinder to fit the specific requirements of the forklift. By adjusting the mounting brackets, the cylinder can be securely attached to the forklift frame, accommodating variations in mounting points, angles, and distances.
2. Threaded Rod Ends:
Threaded rod ends are commonly used in forklift hydraulic cylinders. These rod ends provide a threaded connection that allows for fine adjustments in cylinder mounting. By rotating the rod ends, the cylinder’s position can be modified, compensating for variations in mounting locations or angles.
3. Clevis Mounts:
Clevis mounts are another type of mounting mechanism used in forklift hydraulic cylinders. These mounts consist of a clevis bracket that attaches to the cylinder and a clevis pin that connects to the forklift. Clevis mounts offer a range of mounting positions to accommodate different forklift configurations. They provide flexibility in cylinder attachment, allowing for adjustments to compensate for variations in mounting points and angles.
4. Customizable Mounting Options:
In some cases, forklift hydraulic cylinders can be customized to meet specific mounting requirements. Manufacturers may offer options for custom brackets, rod ends, or mounting configurations based on the forklift’s unique specifications. This customization ensures proper alignment and secure attachment of the cylinder, even in situations with significant variations in mounting.
5. Alignment and Adjustment Mechanisms:
Forklift hydraulic cylinders may incorporate alignment and adjustment mechanisms to facilitate proper cylinder mounting. These mechanisms, such as swivel joints or adjustable linkage systems, allow for fine-tuning and alignment of the cylinder during installation. They enable the operator or technician to compensate for any variations in mounting, ensuring optimal performance and functionality.
In summary, a forklift hydraulic cylinder can handle variations in cylinder mounting through adjustable mounting brackets, threaded rod ends, clevis mounts, customizable mounting options, and alignment and adjustment mechanisms. These features provide flexibility and adaptability, allowing the cylinder to be securely mounted and properly aligned to ensure efficient and reliable operation in different forklift configurations and applications.

What is a forklift hydraulic cylinder and how does it work?
A forklift hydraulic cylinder is a crucial component in the hydraulic system of a forklift. It is responsible for generating the force required to lift and lower the load. Here’s a detailed explanation of its function and operation:
Function:
A forklift hydraulic cylinder is designed to convert hydraulic pressure into linear force. It consists of a cylindrical barrel, a piston, piston rod, seals, and ports for hydraulic fluid entry and exit. The cylinder is usually mounted vertically within the forklift’s mast assembly.
Operation:
The hydraulic cylinder operates based on the principle of Pascal’s law, which states that when pressure is applied to a fluid in an enclosed system, the pressure is transmitted equally in all directions.
When the operator activates the forklift’s hydraulic control, hydraulic fluid (usually oil) is pressurized and directed into the cylinder through the inlet port. The pressurized fluid enters one side of the cylinder, pushing the piston and piston rod upwards.
As the piston rod extends, it applies force to the load-bearing structure of the forklift, such as the mast or the lifting mechanism. This force enables the forklift to lift heavy loads to the desired height.
Conversely, when the operator releases the hydraulic control, the hydraulic fluid is allowed to exit the cylinder through the outlet port. The fluid flows back into the hydraulic reservoir, and the weight of the load or a counterbalance system helps lower the piston and piston rod.
The hydraulic cylinder’s movement is controlled by the operator through the forklift’s hydraulic control system, which regulates the flow of hydraulic fluid into and out of the cylinder. By adjusting the flow rate and direction, the operator can control the speed and direction of the cylinder’s extension and retraction.
The seals within the hydraulic cylinder prevent fluid leakage and ensure efficient operation. They help maintain the pressure inside the cylinder, allowing the hydraulic system to generate the necessary force consistently.
In summary, a forklift hydraulic cylinder is a hydraulic device that converts hydraulic pressure into linear force. It operates based on Pascal’s law, using pressurized hydraulic fluid to extend and retract the piston rod, enabling the forklift to lift and lower heavy loads.


editor by CX 2023-11-15