Item Description
one.Primary Description
Eternal business layout and manufacture weighty responsibility hydraulic cylinders that covering
the following fields:
Ø hydraulic push cylinder
Ø construction equipment cylinder
Ø mining machinery cylinder
Ø metallurgy equipment cylinder
Ø water energy undertaking cylinder
Ø marine hydraulic cylinder
Ø servo hydraulic cylinder
2. Design
Not only we could manufacture all kinds of hydraulic cylinders according to the drawing from our
customers,but also we could make a style according to customer’s demands.If you
need our engineer to make a style,pls advise us the adhering to specification:
one. Rated pressure
2. Working pressure
3. Test pressure
4. Working condition and environment ,for example ,temperature ,working frequency
5. Pulling force ,and return stroke force
6. Pulling and return speed
seven. Assembly size
8. Seal ring requirements .For example , brand ,seal material etc .
9. Tube and piston rod raw material requirements
ten. Piston rod surface treatment requirements, for example chromating film thickness ,
Surface hardness etc .
eleven. Painting and other spare parts requirements .
3. Manufacturing capability and cylinder size range
three.1 Cylinder bore diameter :max Ø1200mm
three.2 Cylinder length :10Meter
3.3 Max lifting capability :50 Tons
four.Manufacturing and inspection
four.1.Cylinder tube size and choice
four.1.1 According to the cylinder pressure and inside diameter size ,different steel tube Would be choosed .
1. ID ≤300mm , cold rolled precision seamless tube would be choosed
two. 300mm≤ID ≤500mm , hot rolled seamless tube would be choosed
3. 500mm≤ID ≤1000mm, forged tube would be choosed
four.1.2 Cylinder tube steel grade : SAE1571 , SAE1045 ,27SiMn , S355JR ,S355J2G3
St52-3 ,SUS304 ,SUS316L etc .
4.1.3 Cylinder tube inside boring and honing , roughness R0.2-R0.3,
4.1.4 Cylinder tube inside chromating : if necessary ,tube inside chromating could be applied
.
four.2 Piston rod is a very important part for hydraulic cylinder .
four.2.1 Piston rod steel grade : SAE1045, 42CrMo4, SUS410 ,SUS420, SUS304, SUS316L
4.2.2 Piston rod chromating and surface hardness .
Eternal company ensure that every piece piston rod would be surface hardened before chromating ,
surface hardness is HRC55~60 , Chromating film thickness is 0.03~.04mm if there is no other specific
requirements .
four.3 Seal ring and O ring
According to the customers’ requirements and working condition , eternal company would choose suitable
seal ring kit , seal ring brand include :Parker , Merkel , NOK , HangZhou Rubber institute , ZheJiang brand etc . Eternal company would supply suitable seal solution for their customer so that hydraulic cylinder has more
lifetime , easy maintenance and simple repairing .
four.4 Tube and flange welding
The welding on cylinder tube and flange would be Ultrasonic tested every time , the welding seam would be
cleaned before machining .Eternal company ensure that every welding seam has no any leak during lifetime
four.5 Assembly and pressure test
Before hydraulic cylinder is assemblied , every spare parts would be measured and cleaned .After hydraulic
cylinder is assemblied , pressure test would be carried out one By one , eternal company ensure that testing
pressure is higher 30%-fifty% than working pressure , and pressure holding time 30~60 minutes is necessary . Every piece hydraulic cylinder must be tested completely without any leak .
4.6 Painting and storage .
After hydraulic cylinder pass through pressure test , painting is necessary .
Processing
HangZhou CZPT Weighty Industry Co.Ltd was set up in 2008.Our merchandise largely contain hydraulic baling machine , scrap shearing equipment ,and all varieties of heavy responsibility hydraulic cylinders etc.
We specialize on design and manufacture hefty obligation hydraulic cylinders , scrap baler machine and shearing machine .Our hydraulic cylinders are widely utilized in different sector fields which includes:construction machinery,mining machinery, hydro~power task, offshore drilling platform, metal plant gear , marine machinery,hydraulic lifting system etc. We have obtained 10 patents for our hydraulic cylinders.
In 2008, our servo cylinders with cylinder bore 950mm for steel mill had been exported to Poland.In 2009, our hydraulic cylinders with stroke ten meters have been exported to Pakistan for water conservancy undertaking. In 2016,cyliner with weight 90tons has been exported to Russian sucessfully .
Our hydraulic cylinder range: Bore:1000mm, Stroke:twelve meter, testing strain:50MPa We could make all sorts of hydraulic baler , hydraulic shear , scrap metal shredder machine , etc rated from a hundred tons -1250tons . We could make all sorts of excavator spare components , drill rig spare components , steel mill spare parts in accordance to OEM drawing , which includes all varieties of shaft and drill instruments . We have hefty duty workshop with region 10000 square meters. There is doublelayer crane in the workshop.The lifting height could get to to 16 meter even though lifting capability could reach to seventy five tons. Our machining products including Horizontal Lathe (eleven meter ), Vertical CNC Machining Middle, Display uninteresting and milling equipment, Frame variety CNC machining center,CNC Lathe, Deep hole unexciting equipment (thirteen meter), honing device,etc. Tests equipment like Intelligent Pressure Test Machine, UT Detector, MT Detector, Chrome Thickness Meter, and so forth.
Everlasting organization would devote to supply initial price equipment and give overall solutionsto our customer. In the earlier 10 many years, we devoted ourself to constant market place growing and the researchand advancement of new items. Until now, our merchandise have been export to virtually fifty nations around the world and very own excellent track record from our customers .
You are welcome to visit our company !
FAQ
1. who are we?
We are based mostly in ZheJiang , China, begin from 2008,sell to Domestic Market place(36.00%),Jap Europe(21.00%),Southeast Asia(sixteen.00%),South The us(12.00%),North The us(9.00%),Northern Europe(4.00%),South Asia(2.00%). There are complete about 51-one hundred men and women in our business office.
two. how can we promise good quality?
Often a pre-production sample ahead of mass production
Usually ultimate Inspection ahead of cargo
3.what can you get from us?
Hydraulic Cylinder,Hydraulic Baler,Hydraulic Shear,Drill Toll,Rollers
four. why should you buy from us not from other suppliers?
We have wealthy experience on hydraulic baling machine, scrap shearing device and hydraulic cylinder ,our hydraulic push has passedh by means of CE certification .
five. what solutions can we provide?
Approved Shipping and delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Shipping,DAF,DES
Accepted Payment Forex:USD,EUR,CNY
Accepted Payment Sort: T/T,L/C,D/P D/A,Western Union
Language Spoken:English,Chinese,Portuguese,Russian
|
US $4,200 / Piece | |
1 Piece (Min. Order) |
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| Certification: | CE |
|---|---|
| Work Temperature: | Normal Temperature |
| Acting Way: | Single Acting |
| Working Method: | Straight Trip |
| Structure: | Piston Type |
| Material: | Alloy Steel |
###
| Customization: |
Available
|
|---|
|
US $4,200 / Piece | |
1 Piece (Min. Order) |
###
| Certification: | CE |
|---|---|
| Work Temperature: | Normal Temperature |
| Acting Way: | Single Acting |
| Working Method: | Straight Trip |
| Structure: | Piston Type |
| Material: | Alloy Steel |
###
| Customization: |
Available
|
|---|
Hydraulic Cylinders
Basically, hydraulic cylinders are mechanical actuators that are used for giving unidirectional force. These cylinders are used for many different applications, such as manufacturing machinery, elevators, construction equipment, and more.
Piston seals
Choosing the right piston seals for hydraulic cylinders can help ensure proper operation of the system. The seals help to prevent leakage of fluid. They also protect the internal parts of the cylinder from damage.
The seals can also help to maintain the pressure of the fluid inside the cylinder. There are many different seals that are available. Choosing the right one for your system requires a consideration of several factors. The type of system used will depend on the type of application, as well as the conditions and duty levels of the machine.
Seals can be either single-acting or double-acting. Single-acting seals move the piston in a single direction. Double-acting seals have the same sealing functions in both directions.
The seals can be made from different materials. Standard piston seals are made from polyurethane. PTFE seals are also a popular choice. They are less prone to friction and can handle higher temperatures. The durability of the seals depends on the quality of material used.
Seals also come in different designs. They can be made from a variety of materials, including plastic. Plastic materials have a higher temperature resistance, but are less flexible than rubber. They also have less tolerance for tearing. The material used for the seal must meet the chemical and mechanical property requirements.
The material used to make the piston seals is critical to its performance. PTFE seals are the most popular choice. They are highly resistant to abrasion, provide better elasticity, and maintain constant pressure for longer periods of time. They also have a low coefficient of friction. They are highly recommended for all hydraulic cylinders.
Seals can also be used to prevent fluid from flowing around the piston. Wiper seals, for example, are sometimes referred to as dust seals. They prevent contaminants from entering the cylinder.
Welded rod cylinders
Whether you are looking for a hydraulic cylinder to use on a vehicle or a piece of industrial equipment, there are a number of different options available. Some of these options include welded rod hydraulic cylinders, which are designed for use in harsh environments. Welded rod cylinders can also be custom-engineered to meet your specific needs.
These cylinders are a good option for a wide range of applications. They have a durable design that is ideal for industrial use, and they are usually easy to maintain. In addition, welded rod cylinders can be used in mobile equipment, as well.
When looking at hydraulic cylinders, it is important to know what type you are looking for. There are two main types: tie rod cylinders and welded rod cylinders. Each type has its own advantages and disadvantages.
Tie rod cylinders are a good option for easy maintenance, but they are not as durable as welded rod cylinders. They also require more installation space than welded rod cylinders. This is especially true if you are working with mobile equipment.
Welded rod hydraulic cylinders are more durable, and they are designed to withstand the stresses of extreme environments. They also have a higher duty cycle than tie rod cylinders, which makes them ideal for mobile equipment. In addition, they have longer internal bearing lengths, which helps to ensure a longer operating life.
Tie rod cylinders are generally cheaper to manufacture. They are NFPA-approved, and they can be easily disassembled to allow for service. They also have a higher installation space, but they are easier to maintain. They also work well in low pressure applications, and are suitable for industrial manufacturing applications with low pressure requirements.
Double-acting cylinders
Unlike single acting hydraulic cylinders, double acting hydraulic cylinders can exert pressure on both sides of the piston. This allows them to perform more complex actions with less energy. This is especially useful for applications that require precise and controlled retraction.
Double acting hydraulic cylinders are also used in a variety of industrial and medical applications. They are especially useful in robotics, heavy-duty equipment, and mobile equipment. They can be used in the lift and press of merchandise from conveyor belts, as well as in excavators. They are also used in tow trucks.
They are more expensive than single acting hydraulic cylinders, but their performance is also greater. They are more rugged and work faster. They are also more efficient and offer more design options. They are also more likely to be ISO compliant.
Double acting hydraulic cylinders are typically used to control steering in excavators. They are also used to control the boom of a TLB. They are also used in mobile applications, such as a dump trailer hoist.
They are manufactured into a single acting or double acting model, depending on the application. They are also available in a number of different designs, including hollow plunger models.
They can also be fitted with sensors to improve stroke control. These sensors provide feedback to a controller and allow the piston to change its stroke in response to various conditions. This is especially useful in heavy mobile equipment, such as tow trucks.
They are also referred to as position sensing cylinders. They can detect the position of the piston and provide feedback to a controller, which can then adjust the stroke in order to match the precise function of the machine.
Surfaces of hydraulic cylinders are given special treatment
Several different surface treatments are used to improve the performance of hydraulic cylinders. Some of these treatments are performed externally while others are carried out internally.
Several of these treatments include the use of a coating. The purpose of this coating is to reduce wear and corrosion. In addition, manufacturers have developed alternative coatings to increase service life.
The most important mechanical properties include hardness, yield strength, and tensile strength. The coating will improve these properties and protect the cylinder from physical and chemical attacks.
The most significant benefit of using a coating is that it increases the ability to reduce wear. The same coating can also improve the frictional properties of a cylinder.
The use of a coating is also important for the prevention of leakage. The seal should be inspected periodically. Several types of coatings are used in the field of cylinders, including hard chrome plating, polymers, and iron alloys.
A single clevis with a spherical ball bearing is the ideal connection for a hydraulic cylinder. This connection allows a misalignment of the actuator. Ideally, the clevis and ball bearing will not transmit bending moments. In order to avoid this, mechanical stops should be used to limit retraction.
The clearance between a friction pair plays a significant role in hydraulic cylinder assembly. For optimum friction properties, the clearance should be no less than 25 mm. However, too much clearance can increase internal leakage.
To determine the appropriate friction coefficient, the equivalent flow method is used. In this method, the friction coefficient is equal to the ratio of the friction force to the normal force. The effect of roughness on frictional properties is also studied. The roughness is measured during the preparation of the substrate.
Common uses of hydraulic cylinders
Various industries use Hydraulic Cylinders in their processes. These devices are used in heavy machinery such as excavators, construction machines and agricultural equipment. They are also used in various transportation devices and equipment. They are also found in feeding devices, plastic forming machines and gate controls.
Hydraulic cylinders can be single or double acting. They can also be telescopic or plunger style cylinders. They are made up of a piston, rod end, base and head. Some common differences include the cylinder’s wall thickness, material used, operating pressure and its method of connecting end caps.
Hydraulic cylinders are based on the principle of Pascal. In the mid 1800s, they were used for lifting on cranes. They were also used for controlling cannons in the military. They were also used in construction technology and mining.
The fluid inside the cylinder can be non-corrosive or corrosive. Generally, oil was used because it was resistant to evaporation. It also stayed cooler at high pressures. Hydraulic cylinders use less power and are much more efficient than other forms of the same device.
Hydraulic cylinders can also be used for food packaging. They have been used to achieve precision in packaging machines. Hydraulic cylinders are used for lifting, pressing, and other processes in agriculture. They are also used in spraying, seeders, conveyor belt systems and more.
Hydraulic cylinders are also used for material handling, transportation, construction, and industrial applications. They are used in various heavy machinery such as tractors, excavators, and skid steers. They are also used in forestry and manufacturing equipment.
Depending on the application, there are different types of hydraulic cylinders. These include single acting cylinders, double acting cylinders, telescopic cylinders, plunger cylinders, and welded body cylinders.
editor by czh 2022-12-30