Product Description
Specifications:
| Product Name | HSG Series Hydraulic Cylinder |
| Work Press | 7/14/16/21/31.5MPa 37.5/63MPa Can be Customized |
| Material | Aluminum, Cast Iron,45mnb Steel, Stainless Steel |
| Bore Size | 40mm–320mm, Customizable |
| Shaft Diameter | 20mm–220mm, Customizable |
| Stroke Length | 30mm–14100mm, Customizable |
| Rod Surface Hardness | HRC48-54 |
| Operating Temperature | -40°C to +120 °C |
| Paint Color | Black, Yellow, Blue, Brown, Customizable |
| Service | OEM&ODM |
| Warranty | 1 Year |
| MOQ | 1 Piece |
| Delivery Time | 7-15 Days, Also depending on specific demands |
| Certification | ISO9001,CE |
| Capacity | 50,000Pcs per year |
Product Display:
Mounting:
Working Flow: About Us
Tongte designs and manufactures durable, heavy-duty hydraulic products and accessories and offers lifecycle services to them. We constantly develop our machine base and operations to meet customer-specific needs and remain leaders in the industry. Beyond all else, we want to be the trusted, groundbreaking partner our customers truly need.
In addition to the customized cylinders, Tongke offers hydraulic power units, Electric-Hydraulic linear actuators, piston accumulators, system configurations, and versatile services such as repair and manufacturing services. The modern production facilities are located in HangZhou, ZheJiang (China) where production started in 2001. The core values of Tongke guiding its business strongly are commitment, sustainability, interaction, and customer-first.
We possess over 20 years of experience in the industry and extensive global market experience, our customers are located all over the world, and we truly commit to the customers’ needs – these are the success factors of our family-owned company. Our vision is to grow and expand the business further into global markets.
FAQ:
Q1: What does your company do?
A: we are a supplier of high-quality hydraulic products including Hydraulic Cylinders, Hydraulic Power packs, Hydraulic Linear, and other Hydraulic components.
Q2:Are you a manufacturer or trading company?
A: We are a manufacturer.
Q3:Are you CZPT to make Non-standard or customized products?
A: Yes, we can.
Q3: How long is your delivery time?
A: Normally, the delivery time is 7 days if we have stock, and 15-30 working days if we don’t. but it
also depends on the product
requirements and quantity.
Q4: Do you provide samples? are the samples free or not?
A: Yes, we can provide samples, but they are not free of charge.
Q5: What are your payment terms?
A: 30% deposit T/T or Irrevocable L/C at sight, If you have any questions, please feel free to
contact us.
Q6: What is your warranty policy?
A: All our products are warranted for 1 full year from the date of delivery against defects in materials and workmanship. Each individual product will be strictly inspected on our factory QC Process
System before shipment. We also have a Customer Service team to respond to customers’ questions within 12 hours.
| Certification: | ISO9001 |
|---|---|
| Pressure: | High Pressure |
| Work Temperature: | Normal Temperature |
| Acting Way: | Double Acting |
| Working Method: | Straight Trip |
| Adjusted Form: | Regulated Type |
| Customization: |
Available
| Customized Request |
|---|
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 CX 2023-04-21
China Single Acting Replace Telescopic Dump Truck Hoist Hydraulic Cylinder with high quality
Item Description
Product Description
A: Item Description
| Commodity Title | telescopic cylinder, telescopic hydraulic cylinder |
| Suited Design | dump truck, dump tractor |
| Authentic | ZheJiang , China |
| Warranty | 1 12 months |
| Min of amount | 1 piece |
| Packing | regular export wooden box or as your require |
| Time of Cargo | Usual 30-60days. Different in accordance the quantity of get. |
| Port of Supply | HangZhou, China |
Merchandise Parameters
Important particulars
Situation: New
Warranty: 1~2years
Relevant Industries: Constructing Materials Stores, Producing Plant, Machinery Mend Retailers, Construction works , Power & Mining Machinery , Farms
Weight (KG): 10~2000kgs
Movie outgoing-inspection: Supplied
Equipment Test Report: Supplied
Marketing and advertising Variety: Regular Product
Guarantee of main components: 1~2years
Main Elements: PLC, Engine, Bearing, Gearbox, Motor, Strain vessel, Equipment, Pump, seal
Regular or Nonstandard: Nonstandard
Framework: Piston Type
Electricity: Hydraulic
Human body Content: ST52, CK45, 4140, Duplex 2205, Stainless Metal 304/316, and so on.
Place of Origin: ZheJiang , China
Model Title: KENDE
Tube ID: twenty to 700 mm
Stroke: Max15m
Functioning Force: max 85MPa
Operating temperature:-40-+50C
Seals: Hallite, Parker, Merkel, and so forth.
Portray: anti rust painting
Certification: ISO9001,SGS, CE, BV, TUV
Shaft diameter: 15mm to 600mm
Design variety: double performing or single acting
Stage: Up to 5 stage
Approach: CNC Lathe Machining, CNC Cleansing Machining Robotic welding, Milling
Testing Gear: electronic ultrasonic stream detector, ZEISS metallurgical microscope, ultrasonic thickness gauge, CAAM, Projector, Pin Gauge, and many others
Application: Agricultural, Industrial, Engineer, Construction and so on
Key word: Double Performing Telescopic Hydraulic Cylinder,
Soon after Guarantee Provider: On the web assistance, Video complex support
Shade: blue, purple, yellow, inexperienced,gray, black, or Client’s Ask for
Dimension: Custom made
MOQ: 1
Guide time: thirty~40days
Customization: custom-made emblem, custom-made deal (min. Order 1 piece)
Delivery: sea freight, land freight, convey, air freight
Safety: On-time dispatch is certain
Source Capacity Provide Capacity 3000 Items per Thirty day period
*We can personalize and style in accordance to your demands
*We can also produce in accordance to your drawings
*If you require any hydraulic cylinder, please feel cost-free to get in touch with us
Item Overview
Manufacturing facility Immediate Sale 5 Phase Telescopic Hydraulic Cylinder.
We are the best equipment production and processing manufacturing unit in China, with far more than ten many years of export expertise, and our following-sales service gratification ratio is constantly a hundred%. Owing to our advantages in product top quality, price and service, our revenue are all from aged customers’ return orders. We want to cooperate with medium and big buyers, our services will make you happy, to obtain a CZPT scenario.
Attributes AT A Look
If you are a medium and large purchaser, then we are certainly your ideal choice, our right after-revenue fulfillment is a hundred%, we have a lot more than 10years of manufacturing and export expertise, have a foreword and mature R & D capacity.
Effective Project
Our support/certifications
—CE Certification of High quality Checked
—Adopt ISO Certification of Top quality Management Technique
—BV Certificate of Principal Items Line verification
—Fast Shipping
—Right after-product sales Services
—24 Hours, 7 Times on-line Support
KENDE is a foremost global designer, manufacturer and marketer of hydraulic cylinder,taxi, oil tank, counterweight, boom, arm, bucket, chassis, outrigger, pipe, hose, fitting, valve block, tyre, wheel,and other areas. Merchandise are commonly utilized in design, mining, crane, materials handing, auto, truck, transportation, oil and gas, farm and garden gear and so on .
We source a extensive variety of elements for excavators, loaders, drills, dumpers, forklifts, tractors, trailers, harvestors, vehicles, buses, vans and so on. Our products are concentrated on improved effectiveness and lifestyle of the machineries and equipments.
Founded in January of 2015, we have turn into a massive team until now which has 3 factories in asia to source a vast selection of goods and services for the global clients.
We have the most advanced creation equipments and specialized R &D center to assure the highest good quality items to consumers.
Our vision statement is “Science and technology initial, Often with a grateful coronary heart, Walk the world by advantage, Battle for a greater future”
FAQ
FAQ
one)>. How about your supply time?
: Usually, it will consider 30 to sixty days following receiving your progress payment. The particular supply time depends on the objects and the quantity of your order.
two)>. What is your phrases of value?
: EXW, FOB, CFR, CIF, DDU.
3)> . What is your conditions of payment?
: T/T fifty% as deposit, and fifty% prior to shipping and delivery. We will show you the photos of the merchandise and deals before you pay the balance.
four)> . Can you provide a sample freely?
: Sorry, we only can generate the sample with the expense value for you.
5)> Can you produce in accordance to the samples?
: Of course, we can generate by your samples or complex drawings. We can develop the molds and fixtures.
6)>. What is your sample plan?
: We can supply the sample if we have ready elements in inventory, but the clients have to spend the sample expense and the courier expense.
seven)>. Do you take a look at all your goods just before shipping?
: Of course, we have one hundred% take a look at ahead of supply
8)>: How do you make our business lengthy-expression and very good partnership?
:1. We keep very good good quality and aggressive cost to make sure our consumers gain
2. We regard each consumer as our buddy and we sincerely do organization and make close friends with them, no issue exactly where they occur from.
| To Be Negotiated | 1 Piece (Min. Order) |
###
| Material: | Stainless Steel |
|---|---|
| Usage: | Dump Truck |
| Structure: | Piston Cylinder |
| Power: | Hydraulic |
| Standard: | Nonstandard |
| Pressure Direction: | Double-acting Cylinder |
###
| Customization: |
Available
|
|---|
###
| Commodity Name | telescopic cylinder, telescopic hydraulic cylinder |
| Suitable Model | dump truck, dump tractor |
| Original | Shandong, China |
| Warranty | One year |
| Min of quantity | 1 piece |
| Packing | standard export wooden box or as your require |
| Time of Shipment | Usual 30-60days. Different according the quantity of order. |
| Port of Delivery | Qingdao, China |
| To Be Negotiated | 1 Piece (Min. Order) |
###
| Material: | Stainless Steel |
|---|---|
| Usage: | Dump Truck |
| Structure: | Piston Cylinder |
| Power: | Hydraulic |
| Standard: | Nonstandard |
| Pressure Direction: | Double-acting Cylinder |
###
| Customization: |
Available
|
|---|
###
| Commodity Name | telescopic cylinder, telescopic hydraulic cylinder |
| Suitable Model | dump truck, dump tractor |
| Original | Shandong, China |
| Warranty | One year |
| Min of quantity | 1 piece |
| Packing | standard export wooden box or as your require |
| Time of Shipment | Usual 30-60days. Different according the quantity of order. |
| Port of Delivery | Qingdao, China |
The Basics of Hydraulic Cylinders
Basically a hydraulic cylinder is a mechanical actuator which can be used for giving unidirectional force. It has various applications in civil engineering, construction equipment, manufacturing machinery and elevators.
Single acting vs double acting
Generally speaking, single acting and double acting hydraulic cylinders function differently. Double acting cylinders have two ports, and apply pressure on both sides of the piston. Single acting cylinders have a single port.
Hydraulic cylinders are used in a wide variety of applications, including manufacturing machinery, construction equipment, and civil engineering. Their main use is on mobile equipment such as graders and excavators. They are also used in reciprocating engines and hydraulic rams.
Single acting hydraulic cylinders are generally smaller and more compact than double acting cylinders. They are also simpler in design and require less maintenance. They are suitable for heavy-duty applications such as lifting and ejecting parts from conveyor belts. They are also cheaper to manufacture. However, they have a limited range of motion, and have limited power and control.
Double acting cylinders, on the other hand, offer more flexibility, faster operation, and greater power. They are also better suited for applications that require precise retraction control. They are more durable than single acting cylinders, and are commonly used in heavy industrial applications. They also have more design variation.
In order to determine whether you need a single acting or double acting cylinder, you should first consider your power requirements. Single acting cylinders are better suited for applications that require only a small amount of force, but require several stroke cycles. Double acting cylinders are suited for applications that require more force, but require a higher number of stroke cycles.
Single acting cylinders are more economical to buy and install, but they are not as compact as double acting cylinders. They are also not as reliable as double acting cylinders. In addition, they may require a second port to convert a single acting cylinder into a double acting cylinder.
Piston rod
During the design phase of a hydraulic cylinder, many factors must be considered. These include the function, materials, and the environment in which the cylinder will be used.
The most important part of the hydraulic cylinder is the rod. It performs the reciprocating motion and is attached to the piston by threads. It also acts as the structural component of the cylinder.
The rod itself is made from chrome plated steel and is usually 10 to 30 millimeters thick. It is plated with a thick layer of chromium to increase wear resistance and temperature resistance. The rod also has an o-ring on its end to prevent the high-pressure oil from escaping.
The rod is connected to the piston by a backup ring and two o-rings. The o-rings keep the rod centered in the barrel, while the backup rings protect the o-rings from escaping when high pressures are applied from the opposite side.
The most important feature of the piston rod is its buckling resistance. The rod may be solid, hollow, or heat-treated. The buckling resistance of a rod depends on its length and its diameter. The longer the rod, the less force it needs to withstand a buckling load.
Another important feature of the rod is its slenderness ratio. This ratio is calculated by measuring the effective length of the rod. This ratio is usually calculated by using Euler’s theory.
The cylinder head is another important part of the hydraulic cylinder. The head has ports that allow hydraulic fluid to enter and exit the barrel. It also has a check valve to prevent oil from leaking out.
The cylinder head also serves as a mechanical stop for the piston. It has two seals: a gland seal and an internal seal. The gland seal prevents the high-pressure oil from escaping, while the internal seal ensures that the o-ring seal is in place.
Welded body vs flanged connection
Generally, there are two kinds of connections for hydraulic cylinders: flanged and welded body. The flange connection is usually used in applications where there is exceptionally high pressure. A welded body connection can be used in places where space is limited. It also improves the overall appearance of the equipment.
Hydraulic cylinders are used in a variety of applications, including earth moving equipment, metal sheet shearing machines, and hydraulic bending machines. They are also used in particle board making hot press machines. The majority of hydraulic cylinders are made from alloy steel combinations.
These materials are prone to rusting, especially when used in humid environments. They may also require coating to prevent corrosion. Hydraulic cylinders can be made of stainless steel or alloy steel. Stainless steel is usually used in marine environments because of its corrosion resistance.
Hydraulic cylinders come in a variety of designs, including single acting cylinders, double acting cylinders, and telescopic cylinders. Single acting cylinders are designed for pushing motion, while double acting cylinders are designed for a linear motion. They are available with threaded, socket weld, or welded body connections.
The rod of a hydraulic cylinder operates outside of the barrel, pushing hydraulic fluid inside the barrel. The piston rod needs to be protected from wear, and the outer diameter of the piston rod is usually coated with a corrosion-resistant surface.
Hydraulic cylinders are typically made of carbon steel, stainless steel, or alloy steel. There are a variety of coatings available, including chrome (nickel) plating, laser cladding, and hard chrome plating.
The most important seal in hydraulic cylinders is the rod seal. This seal needs to be slow to wear, and it needs to be able to resist multiple rod movements. It must also be able to remove contaminants from the hydraulic fluid.
Pneumatic actuators vs hydraulic actuators
Compared to hydraulic actuators, pneumatic actuators are cheaper and less powerful. However, they offer higher uptime and increased productivity. This makes them a good choice for light to medium duty applications.
Pneumatic actuators use air pressure instead of hydraulic fluid, and they provide a reliable motion that is ideal for window manufacturing. They have a simple design that reduces maintenance. They can be used in various applications, including food production, automotive manufacturing, and industrial machinery.
Hydraulic actuators are better suited for heavy duty applications. They can handle higher pressures and generate more force than pneumatic actuators. But they can leak fluid, which can invite contamination. They can also be noisy, without the use of noise-reducing equipment.
Hydraulics also require pumps and reservoirs for fluid. There are also valves, pistons, and companion parts to maintain the system. It is important to check for leaks and maintain the system.
Hydraulic actuators are used in heavy construction equipment, nail guns, precision drills, and moving machinery. Hydraulic cylinders provide 25 times the force of pneumatic cylinders.
Hydraulic systems can be a good choice for heavy duty applications, but they can also cause more problems. For example, the pressures can be very high, and they can leak fluid. Hydraulics require regular maintenance, which increases the overall cost of ownership. They can also lead to contamination of the internal working parts of the system.
The biggest advantage of hydraulic actuators is their ability to create and hold torque. It’s important to monitor the temperature of the fluid to avoid leaks. If there is a leak, the fluid can be contaminated and damage internal working parts.
Hydraulic actuators require more care and maintenance, and they may be more expensive than pneumatic actuators. The cost of maintenance may also affect the lifespan of the device.
Cushioned vs non-cushioned cylinders
Depending on the application, cushioned hydraulic cylinders can be used as a cost-effective and useful tool for reducing shock loads. The cushioning can take a variety of forms, from external shock absorbers to internal cushions.
Cushioning is the process of decelerating the cylinder rod near the end of its stroke. This reduces vibration and reduces stresses on components. However, too much cushioning can reduce the efficiency of the machine, especially for pneumatic cylinders.
The cushioning effect is achieved by restricting the flow of hydraulic fluid exiting the cylinder port. This is achieved through a small orifice that allows the flow to be controlled. The smaller the orifice, the more controllable the cushioning effect.
A typical example is a double-acting cylinder with double-sided cushioning. The cylinder is constructed with a check valve oriented from port A to port B. This valve is set to operate from a minimum of 10 millimeters before the end of the stroke.
The cushioning effect can be regulated externally with an adjustable screw. In order to determine the amount of cushioning required, it is important to consider factors such as cylinder size, stroke, and application.
In addition to being able to control the flow of hydraulic fluid, the cushioning effect can also be used to protect the entire system. It can be used to restrict the exiting flow of hydraulic fluid so that the incoming flow can reach maximum pressure.
Cushioning can be used in conjunction with other methods to reduce shock loads. For example, a fast start-up method can reduce the impact force of the cylinder. A cushion design can also increase the rate at which fluid returns to the cylinder when it leaves the cushion.
editor by czh 2022-12-15
China manufacturer Customized Medium Pressure Double Acting or Single Acting Telescopic Hydraulic Cylinder with Free Design Custom
Product Description
| Name | Hydraulic drawbench cylinder |
| Bore diameter | 800mm |
| Rod diameter | 400mm |
| Stroke | 10800mm |
| Working pressure | 27MPa |
| Piston rod material | CK45 |
| Bore material | CK45 |
| Numbers(MOQ) | 1 pcs |
| Package | Packing strap |
| Application | Hydraulic drawbench |
Lian Hydraulic was formed in HangZhou of China with the mission of supplying the world class hydraulic cylinders and hydraulic systems to the various industrial sectors .
Since that date our company has successfully completed numerous installations throughout the Chinese mainland and abroad.
Our factory floor space exceeds 38,000 Sqr. meters and our 20 cranes provide us with the capability to handle and machine cylinders and components weighing up to 150,000kgs.
From conception to installation our engineers, factory staff and salesmen strive to ensure that our customers receive the very best in quality products and service.
Our manufacturing facility is capable of producing hydraulic cylinders up to the following dimensions:
Bore Diameter – 2,500 mm
Rod Diameter – 1,500 mm
Stroke – 20,000 mm
The Typical Applications:
Machine Manufacturing
Casting Cylinders
Mobile Hydraulics
Press Manufacturing
Hydroelectric Industry
Offshore Industry
Mining Industry
Hydraulic Systems
Lian Hydraulic source raw materials exclusively from the most reputable and quality approved suppliers in China such as ( HangZhou Pangang, ZheJiang Valin Steel, ZheJiang Baosteel etc.)
We at Lian Hydraulic invite all customers to consider our facility for your next hydraulic project.
How to Choose the Right Worm Shaft
You might be curious to know how to choose the right Worm Shaft. In this article, you will learn about worm modules with the same pitch diameter, Double-thread worm gears, and Self-locking worm drive. Once you have chosen the proper Worm Shaft, you will find it easier to use the equipment in your home. There are many advantages to selecting the right Worm Shaft. Read on to learn more.
Concave shape
The concave shape of a worm’s shaft is an important characteristic for the design of a worm gearing. Worm gearings can be found in a wide range of shapes, and the basic profile parameters are available in professional and firm literature. These parameters are used in geometry calculations, and a selection of the right worm gearing for a particular application can be based on these requirements.
The thread profile of a worm is defined by the tangent to the axis of its main cylinder. The teeth are shaped in a straight line with a slightly concave shape along the sides. It resembles a helical gear, and the profile of the worm itself is straight. This type of gearing is often used when the number of teeth is greater than a certain limit.
The geometry of a worm gear depends on the type and manufacturer. In the earliest days, worms were made similar to simple screw threads, and could be chased on a lathe. During this time, the worm was often made with straight-sided tools to produce threads in the acme plane. Later, grinding techniques improved the thread finish and reduced distortions resulting from hardening.
When a worm gearing has multiple teeth, the pitch angle is a key parameter. A greater pitch angle increases efficiency. If you want to increase the pitch angle without increasing the number of teeth, you can replace a worm pair with a different number of thread starts. The helix angle must increase while the center distance remains constant. A higher pitch angle, however, is almost never used for power transmissions.
The minimum number of gear teeth depends on the angle of pressure at zero gearing correction. The diameter of the worm is d1, and is based on a known module value, mx or mn. Generally, larger values of m are assigned to larger modules. And a smaller number of teeth is called a low pitch angle. In case of a low pitch angle, spiral gearing is used. The pitch angle of the worm gear is smaller than 10 degrees.
Multiple-thread worms
Multi-thread worms can be divided into sets of one, two, or 4 threads. The ratio is determined by the number of threads on each set and the number of teeth on the apparatus. The most common worm thread counts are 1,2,4, and 6. To find out how many threads you have, count the start and end of each thread and divide by two. Using this method, you will get the correct thread count every time.
The tangent plane of a worm’s pitch profile changes as the worm moves lengthwise along the thread. The lead angle is greatest at the throat, and decreases on both sides. The curvature radius r” varies proportionally with the worm’s radius, or pitch angle at the considered point. Hence, the worm leads angle, r, is increased with decreased inclination and decreases with increasing inclination.
Multi-thread worms are characterized by a constant leverage between the gear surface and the worm threads. The ratio of worm-tooth surfaces to the worm’s length varies, which enables the wormgear to be adjusted in the same direction. To optimize the gear contact between the worm and gear, the tangent relationship between the 2 surfaces is optimal.
The efficiency of worm gear drives is largely dependent on the helix angle of the worm. Multiple thread worms can improve the efficiency of the worm gear drive by as much as 25 to 50% compared to single-thread worms. Worm gears are made of bronze, which reduces friction and heat on the worm’s teeth. A specialized machine can cut the worm gears for maximum efficiency.
Double-thread worm gears
In many different applications, worm gears are used to drive a worm wheel. These gears are unique in that the worm cannot be reversed by the power applied to the worm wheel. Because of their self-locking properties, they can be used to prevent reversing motion, although this is not a dependable function. Applications for worm gears include hoisting equipment, elevators, chain blocks, fishing reels, and automotive power steering. Because of their compact size, these gears are often used in applications with limited space.
Worm sets typically exhibit more wear than other types of gears, and this means that they require more limited contact patterns in new parts. Worm wheel teeth are concave, making it difficult to measure tooth thickness with pins, balls, and gear tooth calipers. To measure tooth thickness, however, you can measure backlash, a measurement of the spacing between teeth in a gear. Backlash can vary from 1 worm gear to another, so it is important to check the backlash at several points. If the backlash is different in 2 places, this indicates that the teeth may have different spacing.
Single-thread worm gears provide high speed reduction but lower efficiency. A multi-thread worm gear can provide high efficiency and high speed, but this comes with a trade-off in terms of horsepower. However, there are many other applications for worm gears. In addition to heavy-duty applications, they are often used in light-duty gearboxes for a variety of functions. When used in conjunction with double-thread worms, they allow for a substantial speed reduction in 1 step.
Stainless-steel worm gears can be used in damp environments. The worm gear is not susceptible to rust and is ideal for wet and damp environments. The worm wheel’s smooth surfaces make cleaning them easy. However, they do require lubricants. The most common lubricant for worm gears is mineral oil. This lubricant is designed to protect the worm drive.
Self-locking worm drive
A self-locking worm drive prevents the platform from moving backward when the motor stops. A dynamic self-locking worm drive is also possible but does not include a holding brake. This type of self-locking worm drive is not susceptible to vibrations, but may rattle if released. In addition, it may require an additional brake to keep the platform from moving. A positive brake may be necessary for safety.
A self-locking worm drive does not allow for the interchangeability of the driven and driving gears. This is unlike spur gear trains that allow both to interchange positions. In a self-locking worm drive, the driving gear is always engaged and the driven gear remains stationary. The drive mechanism locks automatically when the worm is operated in the wrong manner. Several sources of information on self-locking worm gears include the Machinery’s Handbook.
A self-locking worm drive is not difficult to build and has a great mechanical advantage. In fact, the output of a self-locking worm drive cannot be backdriven by the input shaft. DIYers can build a self-locking worm drive by modifying threaded rods and off-the-shelf gears. However, it is easier to make a ratchet and pawl mechanism, and is significantly less expensive. However, it is important to understand that you can only drive 1 worm at a time.
Another advantage of a self-locking worm drive is the fact that it is not possible to interchange the input and output shafts. This is a major benefit of using such a mechanism, as you can achieve high gear reduction without increasing the size of the gear box. If you’re thinking about buying a self-locking worm gear for a specific application, consider the following tips to make the right choice.
An enveloping worm gear set is best for applications requiring high accuracy and efficiency, and minimum backlash. Its teeth are shaped differently, and the worm’s threads are modified to increase surface contact. They are more expensive to manufacture than their single-start counterparts, but this type is best for applications where accuracy is crucial. The worm drive is also a great option for heavy trucks because of their large size and high-torque capacity.
China Best Sales Manufacturers Price Long Stroke 100 50 Ton Press Ryco Manuli CZPT Style Mini Small Lifting Double Single Acting Piston Telescopic Hydraulic Cylinder for Sale with Best Sales
Product Description
Products Description
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Product Name |
HSG Series Hydraulic Cylinder |
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Work Press |
7/14/16/21/31.5MPa 37.5/63MPa Can be Customized |
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Material |
Aluminum,Cast Iron,45mnb Steel,Stainless Steel |
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Bore Size |
40mm–320mm,Customizable |
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Shaft Diameter |
20mm–220mm,Customizable |
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Stroke Length |
30mm–14100mm,Customizable |
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Rod Surface Hardness |
HRC48-54 |
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Paint Color |
Black,Yellow,Blue,Brown,Customizable |
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Mounting |
Earring,Flange,Clevis.Foot,Trunnion,Customizable |
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Warrenty |
1 Year |
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MOQ |
1 Piece |
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Delivery Time |
7-15 Days,Also depands on specific demands |
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Certification |
ISO9001,CE |
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Company Profile
QIANGLIN HYDRAULIC MACHINERY CO., LTD
| QiangLin is a professional hydraulic equipment manufacturer, mainly engaged in hydraulic system design, manufacture, installation, transformation, sales, and technical services. Our manufacturing facilities are certified to the ISO 9001 standard. We are an approved supplier to many equipment manufacturers in China. We are also partners with many customers from America, Canada, Australia, Germany, England, and other European Countries. Product quality, shorter delivery time, and customer satisfaction are our long-term commitments to our worldwide customers. Hope to be your partner. |
FAQ:
Q1: Are you a trading company or a manufacturer?
A: We have our own factory.
Q2: Are you CZPT to make Non-standard or customized products?
A: Yes, we can.
Q3: How long is your delivery time?
A: Normally, the delivery time is 7 days if we have stock, 15-30 working days if we don’t. but it
also depends on the product
requirements and quantity.
Q4: Do you provide samples? are the samples free or not?
A: Yes, we can provide samples, but they are not free of charge.
Q5: What are your payment terms?
A: 30% deposit T/T or Irrevocable L/C at sight, If you have any questions, please feel free to
contact us.
Q6: What are your After-sales services?
A: Before shipment, Each individual product will be strictly inspected on our factory QC Process
System. In addition, We have a
Customer Service team to respond to customers’ questions within 12 hours. Being helpful in
solving customers’ problems is always our goal.
Materials Used in Bearings
If you’re not familiar with the types of bearings, you may be interested in knowing more about the materials used to manufacture them. Here’s a look at what each type of bearing is made of, how it’s used, and how much they cost. To find the right bearing for your application, it’s important to choose a quality lubricant. The materials used in bearings are determined by their type and applications. Choosing the right lubricant will extend its life, and protect your machine’s parts from damage and premature wear.
Materials used in bearings
Bearings are made from a variety of materials. Stainless steel is a common material used for the components of bearings. It has a higher content of chromium and nickel. When exposed to oxygen, chromium reacts with it to form chromium oxide, which provides a passive film. For higher temperatures, teflon and Viton are also used. These materials offer excellent corrosion resistance and are often preferred by manufacturers for their unique properties.
Stainless steel is another material used in bearings. AISI 440C is a high-carbon stainless steel commonly used in rolling-contact bearings. It is widely used in corrosive environments, especially in applications where corrosion resistance is more important than load capacity. It can also be heat-treated and hardened to 60 HRC, but has lower fatigue life than SAE 52100. Stainless steel bearings may carry a 20-40% price premium, but their superior performance is worth the extra money.
Graphite and molybdenum disulfide are 2 of the most common materials used in bearings. While graphite is a popular material in bearings, it has very poor corrosion resistance and is unsuitable for applications where oil or grease is required. Graphite-based composite materials are another option. They combine the benefits of both graphite and ceramic materials. A variety of proprietary materials have been developed for high-temperature use, such as graphite and MoS2.
Wood bearings have been around for centuries. The oldest ones used wood and Lignum Vitae. These materials were lightweight, but they were incredibly strong and durable. Wood bearings were also lubricated with animal fats. During the 1700s, iron bearings were a popular choice. In 1839, Isaac Babbitt invented an alloy containing hard metal crystals suspended in a softer metal. It is considered a metal matrix composite.
Applications of bearings
Bearings are used in many different industries and systems to help facilitate rotation. The metal surfaces in the bearings support the weight of the load, which drives the rotation of the unit. Not all loads apply the same amount of force to bearings, however. Thrust and radial loads act in distinctly different ways. To better understand the different uses of bearings, let’s examine the various types of bearings. These versatile devices are essential for many industries, from automobiles to ships and from construction to industrial processes.
Cylindrical roller bearings are designed to support heavy loads. Their cylindrical rolling element distributes the load over a larger area. They are not, however, suited to handling thrust loads. Needle bearings, on the other hand, use small diameter cylinders and can fit into tighter spaces. The advantages of these types of bearings are numerous, and many leading producers are now leveraging the Industrial Internet of Things (IIoT) to develop connected smart bearings.
As a power generation industry, bearings play an essential role. From turbines to compressors, from generators to pumps, bearings are essential components of equipment. In addition to bearings, these components help move the equipment, so they can work properly. Typically, these components use ball bearings, although some roller bearings are used as well. In addition to being efficient and durable, these types of bearings also tend to be built to meet stringent internal clearance requirements and cage design requirements.
In addition to bearings for linear motion, bearings can also bear the weight of a rotary part. Depending on the application, they can be designed to minimize friction between moving parts. By constraining relative motion, bearings are used to reduce friction within a given application. The best-designed bearings minimize friction in a given application. If you’re in the market for a new bearing, NRB Industrial Bearings Limited is an excellent source to begin your search.
Types of bearings
The type of bearings you choose will have a significant impact on the performance of your machinery. Using the right bearings can increase efficiency, accuracy, and service intervals, and even reduce the cost of purchasing and operating machinery. There are several different types of bearings to choose from, including ball bearings and flexure bearings. Some types use a fluid to lubricate their surfaces, while others do not.
Plain bearings are the most common type of bearing, and are used for a variety of applications. Their cylindrical design allows for a relatively smooth movement. Often made of copper or other copper alloy, they have low coefficients of friction and are commonly used in the construction industry. Some types of plain bearings are also available with a gudgeon pin, which connects a piston to a connecting rod in a diesel engine.
Magnetic bearings are the newest type of bearing. They use permanent magnets to create a magnetic field around the shaft without requiring any power. These are difficult to design, and are still in the early stages of development. Electromagnets, on the other hand, require no power but can perform very high-precision positioning. They can be extremely durable and have a long service life. They are also lightweight and easy to repair.
Another type of bearing is needle roller. These are made of thin, long, and slender cylinders that are used in a variety of applications. Their slender size is ideal for a space-constrained application, and their small profile allows them to fit in tight places. These types of bearings are often used in automotive applications, bar stools, and camera panning devices. They have several advantages over ball bearings, including the ability to handle heavy axial loads.
Cost of bearings
A wide range of factors affect the cost of aerospace bearings, including the bearing material and its volatility. Manufacturers typically use high-grade steel for aircraft bearings, which are highly affected by fluctuations in the steel price. Government policies also play a part in the variation in trade price. The implementation of COVID-19 has changed the market dynamics, creating an uncertain outlook for supply and demand of aerospace bearings. New trade norms and transportation restrictions are expected to hamper the growth of this industry.
Demand for aerospace bearings is largely driven by aircraft manufacturers. In North America, aircraft manufacturers must meet extremely high standards of weight, performance, and quality. They also must be lightweight and cost-effective. This has resulted in a rising cost of aerospace bearings. The market for aerospace bearings is expected to grow at the highest CAGR over the next few years, driven by increasing investments in defense and aerospace infrastructure across Asia-Pacific.
Hub assemblies are also expensive. A wheel hub will cost between $400 and $500 for 1 set of bearings. In addition to this, the speed sensor will be included. The average cost of wheel bearings is between $400 and $500 for 1 side, including labor. But this price range is much lower if the bearing is a replacement of an entire wheel assembly. It is still worth noting that wheel hub bearings can be purchased separately for a lower price.
Replacement of 1 or 2 wheel bearings will depend on the model and year of the vehicle. For a small car, 1 rear wheel bearing can cost between $190 and $225, whereas 2 front wheel hubs can cost upwards of $1,000. Labor and parts prices will vary by location, and labor costs may also be covered under some warranty plans. If you decide to have it done yourself, be sure to ask multiple shops for estimates.
Inspection of bearings
To maintain bearing performance and prevent accidents, periodic inspections are essential. In addition to ensuring reliability, these inspections improve productivity and efficiency. Regular maintenance includes disassembly inspection, replenishment of lubricant and monitoring operation status. Here are some common ways to perform the necessary inspections. Keep reading to learn how to maintain bearings. After disassembly, you must clean the components thoroughly. Ensure that the bearings are free of burrs, debris, and corrosion.
Ultrasound technology is an excellent tool for monitoring slow-speed bearings. Most ultrasound instruments offer wide-ranging sensitivity and frequency tuning. Ultrasound can also be used to monitor bearing sound. Ultra-slow bearings are usually large and greased with high-viscosity lubricant. Crackling sounds indicate deformity. You can also listen for abnormal noise by plugging a vibration analyzer into the machine. Once the machine shows abnormal noise, schedule additional inspections.
Ultrasonic inspection involves using an ultrasound transducer to measure the amplitude of sound from a bearing. It is effective in early warnings of bearing failure and prevents over-lubrication. Ultrasound inspection of bearings is a cost-effective solution for early diagnosis of bearing problems. In addition to being a reliable tool, ultrasonic testing is digital and easy to implement. The following are some of the advantages of ultrasonic bearing inspection.
Dynamic quality evaluation involves the use of a special fixture for measuring bearing deformations under low shaft speed and light radial load. The size of the fixture influences the value of the deformations. A fixture should be sized between the diameter of the sensor and the roller to ensure maximum precision. The outer deformation signal is more sensitive with a larger sensor diameter. A vibration-acceleration sensor is used for the contrast test.