Product Description

 

Company Profile

 

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 requirement.

ROCA owned factory offers customer effective-cost product with quality assurance. With its professional and experienced R&D team, CHINAMFG Hydraulic devotes itself to research and develop to optimize products applied in construction, mining, waster management, forestry, agriculture, etc.

1. CHINAMFG Hydraulic parts factory focus on the high quality hydraulic cylinder. Our products are widely used in, refuse and recycling, construction, mining, material handling, agriculture, and every specific industry.

2. GS Machinery foundry produces industrial metal castings include Hydraulic piston pump parts, Valve parts, Construction, Mining Machinery Parts, and Auto Parts.

We accept OEM orders, and especially capable of developing and producing single/double-acting telescopic cylinder for dump truck/trailer, roll-off hoist equipment application.

For more than 10 years, CHINAMFG have provided end users with reliable high quality hydraulic products, which has saved user costs and maximized engineering benefits.

Roca R&D team works with customer to ensure their goal become reality, and their products are the best quality. With our in place best-in-class development group that offers unprecedented service and support

 

Product Description

                

NO ITEM Made in China Boom Cylinder for Excavator Hydraulic Cylinder Manufacture
1 Material Carbon Steel, Alloy Steel, 27SiMn,45#,20#,etc
2 Honed tube 40-300mm, Heat treatment, honing, rolling
3 Honed tube 30-280mm, plated nickel or hard Chrome or ceramic
4 Seal kit Parker, Merkel, Hallite, Kaden, etc
5 Coating Sandblasting, primer paint, middle paint, finish paint,
Color can paint according to customer demands.
6 Technology Parker,custom hoist, hyco,HYVA, Meiller

SAT,DAT

7 Mounting type Pin-eye , flange, trunnion mount,ball mount, screw thread.
FC, FE, FEE, FSE,TPIN
8 Working medium Hydraulic Oil
9 Working pressure 16-20Mpa Telescopic Hydraulic Cylinder
10 Temperature range -50°C to +100°C

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

 

Detailed Photos

 

 

Production Process

 

Warehouse Overview

 

 

 

 

Product Applications

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.

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.
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Certification: GS, RoHS, CE, ISO9001
Pressure: Medium Pressure
Work Temperature: Normal Temperature
Customization:
Available

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

boom cylinder

How does a boom cylinder handle variations in environmental conditions?

A boom cylinder is designed to handle variations in environmental conditions effectively. Here’s a detailed explanation:

Environmental conditions can vary significantly in different work environments where heavy equipment operates. Boom cylinders are constructed to withstand these variations and continue to function reliably. Here are some ways in which boom cylinders handle variations in environmental conditions:

  • Sealing and Protection: Boom cylinders are equipped with seals and protective measures to prevent the intrusion of contaminants, such as dust, dirt, water, or debris. The seals help maintain the integrity of the hydraulic system and protect internal components from damage caused by environmental factors. Additionally, protective coatings or treatments are often applied to the cylinder’s exterior to enhance its resistance to corrosion and wear.
  • Temperature Resistance: Boom cylinders are designed to operate within a wide temperature range. They are constructed using materials that can withstand both high and low temperatures without compromising performance. Specialized seals and hydraulic fluids are utilized to maintain proper functionality and prevent damage, even in extreme temperature conditions.
  • Fluid Compatibility: Hydraulic fluids used in boom cylinders are carefully selected to ensure compatibility with the anticipated environmental conditions. Factors such as temperature, humidity, and chemical exposure are taken into account when choosing the appropriate hydraulic fluid. The selected fluid should have the necessary viscosity and additives to provide optimal lubrication, prevent foaming, and resist degradation under the specific environmental conditions.
  • Corrosion Resistance: Boom cylinders are often exposed to environments that may contain corrosive elements, such as saltwater, chemicals, or acidic substances. To handle these conditions, cylinders are manufactured using materials that exhibit high corrosion resistance. Protective coatings, such as chrome plating or specialized paint, can be applied to further enhance the cylinder’s ability to withstand corrosive environments.
  • Regular Maintenance: Proper and regular maintenance is essential to keep boom cylinders in optimal condition and mitigate the effects of environmental variations. This includes inspections, cleaning, lubrication, and seal replacements as needed. By following manufacturer-recommended maintenance schedules and procedures, operators can address potential issues early on and ensure the longevity and reliability of the boom cylinders.

By incorporating sealing and protection mechanisms, temperature resistance, fluid compatibility, corrosion resistance, and regular maintenance practices, boom cylinders are designed to handle variations in environmental conditions. These features enable them to operate effectively and maintain their performance in diverse work environments, including construction sites, mining operations, forestry applications, and more.

It’s important to consult the equipment manufacturer’s guidelines and recommendations for specific environmental considerations and maintenance practices related to boom cylinders. This will help ensure the proper functioning and longevity of the cylinders in various operating conditions.

boom cylinder

How does a boom cylinder handle variations in hydraulic seal technology?

A boom cylinder is designed to handle variations in hydraulic seal technology. Here’s a detailed explanation:

Hydraulic seals are critical components in boom cylinders, as they prevent fluid leakage and ensure the efficient operation of the hydraulic system. Over time, advancements in seal technology have led to the development of various types of hydraulic seals with different characteristics and capabilities. A boom cylinder is engineered to accommodate these variations in hydraulic seal technology. Here’s how it handles them:

  • Compatibility: Boom cylinders are designed to be compatible with different types of hydraulic seals. They are constructed with seal grooves and dimensions that allow for the installation of various seal profiles, such as O-rings, lip seals, or piston seals. The cylinder is engineered to work effectively with the specific seal type or design chosen for a particular application.
  • Seal Selection: The selection of hydraulic seals for a boom cylinder depends on factors such as operating conditions, fluid compatibility, pressure requirements, and temperature ranges. The cylinder design takes into account the seal selection process, ensuring that the cylinder’s materials, surface finishes, and tolerances are suitable for the chosen seal technology. This ensures optimal sealing performance and longevity.
  • Seal Retention: Boom cylinders incorporate features to securely retain hydraulic seals in their proper positions. These features may include seal backup rings, snap rings, or integrated seal retention systems. The cylinder’s design ensures that the selected seal technology is effectively retained, preventing seal displacement or failure during operation.
  • Seal Maintenance and Replacement: Boom cylinders are designed to facilitate seal maintenance and replacement. They may include access points or disassembly features that allow for convenient seal inspection, lubrication, or replacement. The cylinder design takes into consideration the specific requirements of the chosen seal technology, making it easier for technicians to service or replace seals as necessary.
  • Seal Performance Optimization: Boom cylinders undergo rigorous testing and validation processes to optimize seal performance. The cylinder’s design and manufacturing processes aim to minimize seal friction, reduce wear, and enhance sealing efficiency. This ensures that the cylinder can effectively handle the specific characteristics and variations of the chosen hydraulic seal technology.

Overall, a boom cylinder is engineered to handle variations in hydraulic seal technology. It is designed to be compatible with different seal types, facilitate seal selection, retain seals securely, allow for seal maintenance and replacement, and optimize seal performance. These features ensure that the boom cylinder can effectively accommodate the advancements and variations in hydraulic seal technology, providing reliable and efficient sealing in hydraulic systems.

It’s important to follow the manufacturer’s recommendations and specifications regarding the selection, installation, and maintenance of hydraulic seals in boom cylinders to ensure optimal performance and longevity.

boom cylinder

How does a boom cylinder contribute to precise boom control and positioning?

A boom cylinder plays a crucial role in enabling precise boom control and positioning in heavy machinery. Here’s a detailed explanation of how a boom cylinder contributes to this:

  • Linear Force Generation: A boom cylinder is a hydraulic actuator that generates linear force. When hydraulic fluid is supplied under pressure to one side of the cylinder, it pushes the piston, extending the cylinder and resulting in the extension of the boom. By controlling the flow rate and pressure of the hydraulic fluid, operators can precisely control the speed and force of the boom’s movement, allowing for accurate positioning and control.
  • Boom Stability and Rigidity: Boom cylinders provide stability and rigidity to the boom structure. As the cylinder extends, it locks the boom in position, preventing unwanted movement or sagging. This stability is crucial when performing tasks that require precise positioning, such as lifting or placing heavy loads, manipulating attachments, or performing delicate operations. The boom cylinder’s ability to maintain the boom’s position enhances overall control and accuracy.
  • Controlled Retraction: Boom cylinders not only facilitate boom extension but also controlled retraction. By supplying hydraulic fluid under pressure to the other side of the cylinder, the piston retracts, allowing for controlled and precise boom retraction. This controlled retraction is essential for tasks that require accurate placement or lowering of loads, adjusting attachment positions, or retracting the boom to a desired resting position.
  • Hydraulic Control System: Boom cylinders are part of a hydraulic control system that enables precise boom control and positioning. The hydraulic control system regulates the flow and pressure of hydraulic fluid entering and exiting the cylinder, allowing operators to adjust the speed, force, and direction of the boom’s movement. Fine adjustments can be made to achieve the desired positioning, ensuring precise control over the boom’s actions.
  • Integration with Other Components: Boom cylinders are integrated with other components, such as hydraulic valves, pumps, and sensors, to facilitate precise boom control and positioning. Hydraulic valves control the direction and flow of hydraulic fluid, while pumps provide the necessary pressure. Sensors can provide feedback on the boom’s position, load conditions, or operating parameters, enabling operators to make real-time adjustments for optimal control and positioning.

By combining linear force generation, boom stability, controlled retraction, hydraulic control systems, and integration with other components, a boom cylinder contributes to precise boom control and positioning. This precision allows operators to execute tasks accurately, maintain stability, and achieve the desired positioning for various operations in industries such as construction, mining, material handling, and more.

China best Cat 336D Excavator Stick Bucket RAM Boom Hydraulic Cylinder   with Best Sales China best Cat 336D Excavator Stick Bucket RAM Boom Hydraulic Cylinder   with Best Sales
editor by Dream 2024-05-08