Product Description

Product overview:

Servo hydraulic cylinder is the hydraulic actuator in the electro - hydraulic servo system.As the servo hydraulic cylinder is a key link in the closed loop of the electro-hydraulic servo system, its performance index directly affects the precision and the dynamic and static quality of the system.

Servo hydraulic cylinder and common hydraulic cylinder, cylinder and cylinder head, piston and piston rod, sealing device, buffer device and exhaust device 5 parts.

Servo cylinder is the servo motor and screw integrated design of modular products, the servo motor rotation into linear motion, at the same time the servo motor zui good advantages - accurate speed control, accurate revolution control, accurate torque control into - accurate speed control, accurate position control, accurate thrust control;High precision linear motion series of new revolutionary products.

Product advantages:

The servo hydraulic cylinder manufactured by HangZhou xinlaifu hydraulic pneumatic equipment co., ltd. has the following advantages:

1. Low friction, no crawling, high frequency response;Low internal leakage, low external leakage;Its friction pair is usually treated specially.

2. Steel cylinder: hard chrome plated polishing or fine grinding of internal friction surface.

3. Piston seal: o-ring made of polyethylene filled with glass beads.

4. Piston rod seal: pre-added lip seal ring made of butadiene rubber, also with a small cone inside the CZPT sleeve static and dynamic pressure seal ring.

Piston rod CZPT sleeve: FE3N cast iron with high wear resistance and hardness.

6. Dust ring: bimetal type, and pre-ground into a cutting edge type.

7. Oil pipe: the oil pipe between the servo valve and the hydraulic cylinder passes through the channel directly drilled in the ferry block and preinstalled thick wall rigid short pipe (accessories).

The servo hydraulic cylinder manufactured by us is mainly reflected in the following aspects:

1. Hydrostatic bearing seal

The hydrostatic bearing is provided with a hydrostatic piston rod CZPT device, and the rod CZPT device and the seal are in 1 component.The piston rod floats on an oil film and can withstand large transverse shear forces.The pressure supply of the static bearing is realized through the internal structure of the cylinder, which can bear a large lateral force. Because the sealing and dustproof ring with contact do not bear the pressure, the residual friction within the whole pressure range is very small, thus ensuring the high dynamic and high life characteristics of the servo hydraulic cylinder.

2. Ring gap seal

Ring gap seal is a non-contact seal, due to the difference in pressure, so that the oil through the smaller orifice to form a very thin oil film, so as to replace the ordinary seal to achieve the sealing effect, but its zui large lateral force is limited.There is no pressure on the contact seal and dustproof ring, the piston rod is guided by the CZPT element optimized for friction, so the starting friction within the whole pressure range is very small, thus ensuring the servo hydraulic cylinder's high dynamic and high life characteristics.

• The difference between ordinary hydraulic cylinder and servo hydraulic cylinder
• Common hydraulic cylinder servo hydraulic cylinder
• The cylinder should meet the requirement of strength, stiffness and strength
• The force end of the piston rod should meet the requirement of stiffness and there is no instability problem
• The effect of fixed stiffness on stability should be calculated when the fixed method meets the requirements of strength and action
• The output of the cylinder should satisfy the dynamic index of the system under static load and dynamic load
• Cylinder seal is to prevent oil leakage and leakage to prevent internal leakage and leakage, the sealing ring dynamic, static friction coefficient is close, and the friction coefficient as small as possible.If the requirements of repeated speed, sometimes need a certain amount of internal leakage.
• The running speed of the cylinder is controlled by the electrical signal, so it is unnecessary to consider the buffering device.
• The position of the sensor on the drive cylinder may prevent the travel switch from being considered
• The closer the distance between the pump station and the valve stand from the actuator servo valve and the hydraulic cylinder, the better
• Few disassembly facilitate tear open outfit, convenient check servo valve and the sensor

Servo cylinder features:

closed-loop servo control, control accuracy up to 0.01mm;Fine control thrust, increase pressure sensor, control precision up to 1%;

It is easy to connect with PLC and other control systems to achieve high precision motion control.Low noise, energy saving, clean, high rigidity, impact resistance, long life, simple operation and maintenance.

The servo cylinder can be trouble-free in harsh environment, and the protection level can reach IP66.Long-term work, and achieve high intensity, high speed, high precision positioning, smooth movement, low noise.

So it can be widely used in paper industry, chemical industry, automobile industry, electronic industry, mechanical automation industry, welding industry and so on.

Low cost maintenance: the servo cylinder only needs regular grease injection and lubrication when working in complex environment, and no vulnerable parts need maintenance and replacement, which will reduce a lot of after-sales service costs compared with the hydraulic system and pneumatic system.

Hydraulic cylinder and cylinder zui good alternative: servo cylinder can completely replace the hydraulic cylinder and cylinder, and realize the advantages of more environmental protection, more energy saving, cleaner, easy to connect with PLC and other control systems, to achieve high precision motion control.

Configuration flexibility: can provide very flexible installation configuration, full series of installation components: installation flange, back flange, side flange, rear hinged, lug shaft installation, CZPT module;It can be installed directly with the servo motor or in parallel;Various accessories can be added: limit switch, planetary reducer, pretightening nut, etc.Drive can choose ac brake motor, dc motor, stepper motor, servo motor.

Application field

1. Entertainment industry: robot arms and joints, dynamic seats, etc

2. Military industry: simulation aircraft, simulation and simulation, etc

3. Automobile industry: press machine, test instrument, etc

4. Industrial industry: food machinery, ceramic machinery, welding machinery, lifting platform, etc

Customer Service

1. You may email us through the Alibaba messaging system if you have a question

or would like to submit a comment.

2. Generally, email will be responded to within 24 hours; except on every Sunday

and holidays. We will reply as soon as we back in office.

2. We will send you tracking information to the e-mail address you have registered with Alibaba.

3. If you don't see what you are looking for, just send us an e-mail with picture/picture

and we will be glad to help you.

4. Positive feedback is very important to us.

Packaging & Shipping
Delivery Details

Delivery time depends on the destination and other factors, it may up to 7 work days.

In order to ensure you receive you order tax free upon import, we will declare it as a "Sample"with a lower value.This lower price does not reflect the total price you paid.

After we ship the goods, we will email you the shipping information, as well as tracking number.

FAQ
Questions you maybe inquiry

Q1:Could you custom products?

We can manufacture it according to your drawings or samples.

Q2: I want to buy your products, how can I pay?

A :You can pay via T/T , WEST UNION or other payment terms we reach agreement.

Q3: How can you guarantee the quality?

A: One year's warranty against B/L date.

If You meet with quality problem, we promise to responsible for it.

Q4: If we don't find what we want on your website, what should we do?

A: You can email us the descriptions and pictures of the products you need, We will check whether we can make it.

Q5: Can we buy 1 pc of each item for quality testing?

A: Yes, we understand quality test is important and we are glad to send 1pc for quality testing.

Q6: What is the lead time?

A: For this product, normally 3 days,3 days and lead time is calculated from the day we receive your deposit.

Exact time is determined by factory schedule.

Our customer say:

How to use the pulley system

Using a pulley system is a great way to move things around your home, but how do you use a pulley system? Let's look at the basic equations that describe a pulley system, the types of pulleys, and some safety considerations when using pulleys. Here are some examples. Don't worry, you'll find all the information you need in 1 place!

Basic equations of pulley systems

The pulley system consists of pulleys and chords. When the weight of the load is pulled through the rope, it slides through the groove and ends up on the other side. When the weight moves, the applied force must travel nx distance. The distance is in meters. If there are 4 pulleys, the distance the rope will travel will be 2x24. If there are n pulleys, the distance traveled by the weight will be 2n - 1.
The mechanical advantage of the pulley system increases with distance. The greater the distance over which the force is applied, the greater the leverage of the system. For example, if a set of pulleys is used to lift the load, 1 should be attached to the load and the other to the stand. The load itself does not move. Therefore, the distance between the blocks must be shortened, and the length of the line circulating between the pulleys must be shortened.
Another way to think about the acceleration of a pulley system is to think of ropes and ropes as massless and frictionless. Assuming the rope and pulley are massless, they should have the same magnitude and direction of motion. However, in this case the quality of the string is a variable that is not overdone. Therefore, the tension vector on the block is labeled with the same variable name as the pulley.
The calculation of the pulley system is relatively simple. Five mechanical advantages of the pulley system can be found. This is because the number of ropes supporting the load is equal to the force exerted on the ropes. When the ropes all move in the same direction, they have 2 mechanical advantages. Alternatively, you can use a combination of movable and fixed pulleys to reduce the force.
When calculating forces in a pulley system, you can use Newton's laws of motion. Newton's second law deals with acceleration and force. The fourth law tells us that tension and gravity are in equilibrium. This is useful if you need to lift heavy objects. The laws of motion help with calculations and can help you better understand pulley systems.

Types of pulleys

Different types of pulleys are commonly used for various purposes, including lifting. Some pulleys are flexible, which means they can move freely around a central axis and can change the direction of force. Some are fixed, such as hinges, and are usually used for heavier loads. Others are movable, such as coiled ropes. Whatever the purpose, pulleys are very useful in raising and lowering objects.
Pulleys are common in many different applications, from elevators and cargo lift systems to lights and curtains. They are also used in sewing machine motors and sliding doors. Garage and patio doors are often equipped with pulleys. Rock climbers use a pulley system to climb rocks safely. These pulley systems have different types of pinions that allow them to balance weight and force direction.
The most common type of pulley is the pulley pulley system. The pulley system utilizes mechanical advantages to lift weight. Archimedes is thought to have discovered the pulley around 250 BC. in ancient Sicily. Mesopotamians also used pulleys, they used ropes to lift water and windmills. Pulley systems can even be found at Stonehenge.
Another type of pulley is called a compound pulley. It consists of a set of parallel pulleys that increase the force required to move large objects. This type is most commonly used in rock climbing and sailing, while composite pulleys can also be found in theater curtains. If you're wondering the difference between these 2 types of pulleys, here's a quick overview:

Mechanical Advantages of Pulley Systems

Pulley systems offer significant mechanical advantages. The ability of the system to reduce the effort required to lift weights increases with the number of rope loops. This advantage is proportional to the number of loops in the system. If the rope had only 1 loop, then a single weight would require the same amount of force to pull. But by adding extra cycles, the force required will be reduced.
The pulley system has the advantage of changing the direction of the force. This makes it easier to move heavy objects. They come in both fixed and mobile. Pulleys are used in many engineering applications because they can be combined with other mechanisms. If you want to know what a pulley can do, read on! Here are some examples. Therefore, you will understand how they are used in engineering.
Single-acting pulleys do not change direction, but compound pulleys do. Their mechanical advantage is six. The compound pulley system consists of a movable pulley and a fixed pulley. The mechanical advantage of the pulley system increases as the number of movable wheels decreases. So if you have 2 wheels, you need twice as much force to lift the same weight because you need a movable pulley.
The mechanical advantage of a pulley system can be maximized by adding more pulleys or rope lengths. For example, if you have a single pulley system, the mechanical advantage is 1 of the smallest. By using 2 or 3 pulleys, up to 5 times the mechanical advantage can be achieved. You can also gain up to 10 times the mechanical advantage by using multiple pulley systems.
The use of a single movable pulley system also adds to the mechanical advantage of the pulley system. In this case, you don't have to change the direction of the force to lift the weight. In contrast, a movable pulley system requires you to move the rope farther to generate the same force. Using a compound pulley system allows you to lift heavy loads with ease.

Safety Issues When Using Pulley Systems

Pulleys have an incredibly unique structure, consisting of a disc with a groove in the middle and a shaft running through it. A rope or cord is attached to 1 end of a pulley that turns when force is applied. The other end of the rope is attached to the load. This mechanical advantage means that it is much easier to pull an object using the pulley system than to lift the same object by hand.
Although pulley systems are a common part of many manufacturing processes, some employers do not train their workers to use them properly or install protection to prevent injury. It is important to wear proper PPE and follow standard laboratory safety practices during pulley system activities. Make sure any support structures are strong enough to handle the weight and weight of the rope or rope. If you do fall, be sure to contact your employer immediately.