Tag Archives: empty cylinder

China Custom Empty Industrial Steel Gas Cylinder manufacturer

Product Description

Product Description

Product name: seamless steel gas cylinder/industrial gas cylinder

Executive standard: ISO9809-1(TPED),UN ISO9809-1,GB/T5099.1

Hydraulic test pressure, Bar: 250bar/300bar

Nominal working pressure, Bar: 150bar/200bar

Material: 37Mn/34CrMo4

Filling medium: oxygen, nitrogen, carbon dioxide, etc.

Diameter (mm): 219mm~325mm

Exporting countries: China, Mexico, South America, Southeast Asia, Turkey, etc.

Nominal water volume (L): 20L~120L

Length (mm): 660mm~1850mm

Use scenario: filling industrial gas, bottle group

Weight (kg): 26.0KG~120.0KG

Company Profile

Welcome to ZheJiang Clean Energy Co. Ltd.

ZheJiang Clean Energy Co., Ltd. is an enterprise that produces and sells various seamless steel cylinders and composite liner gas cylinders such as compressed natural gas cylinders for vehicles, industrial gas cylinders, and fire-fighting cylinders.The company is committed to providing automotive green energy solutions and related environmental protection supporting services.

Our factory

The company was established in 2009 and entered the Xihu (West Lake) Dis. County Economic Development Zone in ZheJiang in 2014. It has built a standardized factory covering an area of 46,000 square meters.The company has focused on R&D and production for more than 10 years, and its global sales volume has reached 2 million.The company has 6 gas cylinder spinning production lines, 2 heat treatment and tempering lines, as well as machining, spraying and winding production lines. It has an annual production capacity of 360,000 gas cylinders, and can produce industrial steel seamless bottles,CNG vehicles, CNG glass fiber hoop wound gas cylinders for CNG vehicles, carbon fiber wound gas cylinders for CNG vehicles, composite material wound gas cylinders for CNG vehicles, steel seamless cylinders for CNG stations, fire-fighting steel cylinders, and LPG Cylinders, respirators and other products.

After years of business development, the “Clean” gas cylinder brand has gained a high reputation and reputation in the market. Its sales network covers Asia, Europe, and the Americas. The products are exported to more than 50 countries and regions including Italy, Brazil, Thailand, India, Uzbekistan and so on.Beginning in 2018, Green Gas Cylinders have successively become qualified suppliers for Foton, Xihu (West Lake) Dis.feng, Chery, ZheJiang Automobile and other auto plants.

Quality Control

Related certificates

CNG TYPE-1:ISO11439,ECE R110;
CNG TYPE-2:GB24160,ISO11439,ECE R110;
CNG TYPE-3:Q/LD003-2019,ISO11439;
CNG TYPE-4:ISO11439,ECE R110;

R&D and patents

ZheJiang Clean Energy had lunched research and development program of Type-4(Plastic liner with carbon fiber full-wrapped) 
ZheJiang Clean Energy has been conducting research and development plans for CNG-4 (carbon fiber fully wrapped plastic liner) gas cylinders since 2013. Through the efforts of our technicians, by the end of 2018, we have passed all the test procedures and become the first CNG-4 forensic manufacturer in China. In 2019, we established a modern standardized 6S workshop for CNG-4. At the same time, at the end of 2571, the company successfully completed the research and development of LPG composite gas cylinders and obtained relevant international certificates. It is about to complete the construction of the LPG composite gas cylinder production line in the first half of 2571 and quickly put it into production.


We arrange to participate in different exhibitions all around the world every year, including FIGAS&VEHIGAS(Peru), ALTFUELS MEXICO(Mexico), GAS FORUM(Russia Federation), GASSUF(Russian Federation), INSTITUCION FERIAL DE CHINAMFG MADRID(Spain), International NGVS Exhibition& Forum(China)


We can provide a series of package and logistics solutions according to the customer’s requirements, to ensure our goods reach our customers on time and safely


* Q1: Are you manufacturer or trade company?
 * A1: We are a Chinese manufacturer, and have been specializing in manufacturing gas cylinders for more than 10 years. Our company brand is “LD”.
 * Q2: What is your daily production capacity?
 * A2: Our production capacity everyday is 800~1000 units.
 * Q3: What is your delivery time?
 * A3: Usually our delivery time is 25-45 days against the advance payment. Mainly it depends on when we get the production materials.
 * Q4: What certificates do you have?
 * A4: We have ISO9001 and IATF16949 for management system, and ISO9809, ISO11439 and ECE R110 for production approval.
 * Q5: Do you accept OEM production?
 * A5: Of course, we have served several famous motor OEMs, such as TOYOTA(Thailand)-Thailand, IKCO-Iran, GAZ-Russia, DF-China, and FOTON-China, etc. We would like to serve more customers with our superior quality.
 * Q6: Can you provide samples to us? 
 * A6: Yes, we can provide 1-2 samples for your testing freely, but you need to undertake the logistic cost firstly.
 * Q7: Can you customize the products?
 * A7: Yes, we can provide you with various customized products. For example, your company brand/logo, different accessories and your favorite colors.

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Material: 37mn
Usage: Gas
Structure: General Cylinder
Power: Hydraulic
Standard: Standard
Pressure Direction: Single-acting Cylinder
US$ 300/Piece
1 Piece(Min.Order)




hydraulic cylinder

How do hydraulic cylinders handle the challenges of precise positioning and control?

Hydraulic cylinders are designed to handle the challenges of precise positioning and control with a combination of engineering principles and advanced control systems. These challenges often arise in applications where accurate and controlled movements are required, such as in industrial automation, construction, and material handling. Here’s a detailed explanation of how hydraulic cylinders overcome these challenges:

1. Fluid Power Control:

– Hydraulic cylinders utilize fluid power control to achieve precise positioning and control. The hydraulic system consists of a hydraulic pump, control valves, and hydraulic fluid. By regulating the flow of hydraulic fluid into and out of the cylinder, operators can control the speed, direction, and force exerted by the cylinder. The fluid power control allows for smooth and accurate movements, enabling precise positioning of the hydraulic cylinder and the attached load.

2. Control Valves:

– Control valves play a crucial role in handling the challenges of precise positioning and control. These valves are responsible for directing the flow of hydraulic fluid within the system. They can be manually operated or electronically controlled. Control valves allow operators to adjust the flow rate of the hydraulic fluid, controlling the speed of the cylinder’s movement. By modulating the flow, operators can achieve fine control over the positioning of the hydraulic cylinder, enabling precise and accurate movements.

3. Proportional Control:

– Hydraulic cylinders can be equipped with proportional control systems, which offer enhanced precision in positioning and control. Proportional control systems utilize electronic feedback and control algorithms to precisely regulate the flow and pressure of the hydraulic fluid. These systems provide accurate and proportional control over the movement of the hydraulic cylinder, allowing for precise positioning at various points along its stroke length. Proportional control enhances the cylinder’s ability to handle complex tasks that require precise movements and control.

4. Position Feedback Sensors:

– To achieve precise positioning, hydraulic cylinders often incorporate position feedback sensors. These sensors provide real-time information about the position of the cylinder’s piston rod. Common types of position feedback sensors include potentiometers, linear variable differential transformers (LVDTs), and magnetostrictive sensors. By continuously monitoring the position, the feedback sensors enable closed-loop control, allowing for accurate positioning and control of the hydraulic cylinder. The feedback information is used to adjust the flow of hydraulic fluid to achieve the desired position accurately.

5. Servo Control Systems:

– Advanced hydraulic systems employ servo control systems to handle the challenges of precise positioning and control. Servo control systems combine electronic control, position feedback sensors, and proportional control valves to achieve high levels of accuracy and responsiveness. The servo control system continuously compares the desired position with the actual position of the hydraulic cylinder and adjusts the flow of hydraulic fluid to minimize any positional error. This closed-loop control mechanism enables the hydraulic cylinder to maintain precise positioning and control, even under varying loads or external disturbances.

6. Integrated Automation:

– Hydraulic cylinders can be integrated into automated systems to achieve precise positioning and control. In such setups, the hydraulic cylinders are controlled by programmable logic controllers (PLCs) or other automation controllers. These controllers receive input signals from various sensors and use pre-programmed logic to command the hydraulic cylinder’s movements. The integration of hydraulic cylinders into automated systems allows for precise and repeatable positioning and control, enabling complex sequences of movements to be executed with high accuracy.

7. Advanced Control Algorithms:

– Advancements in control algorithms have also contributed to the precise positioning and control of hydraulic cylinders. These algorithms, such as PID (Proportional-Integral-Derivative) control, adaptive control, and model-based control, enable sophisticated control strategies to be implemented. These algorithms consider factors such as load variations, system dynamics, and environmental conditions to optimize the control of hydraulic cylinders. By employing advanced control algorithms, hydraulic cylinders can compensate for disturbances and achieve precise positioning and control over a wide range of operating conditions.

In summary, hydraulic cylinders overcome the challenges of precise positioning and control through the use of fluid power control, control valves, proportional control, position feedback sensors, servo control systems, integrated automation, and advanced control algorithms. By combining these elements, hydraulic cylinders can achieve accurate and controlled movements, enabling precise positioning and control in various applications. These capabilities are essential for industries that require high precision and repeatability in their operations, such as industrial automation, robotics, and material handling.

hydraulic cylinder

Advancements in Hydraulic Cylinder Technology Improving Corrosion Resistance

Advancements in hydraulic cylinder technology have led to significant improvements in corrosion resistance. Corrosion is a major concern in hydraulic systems, especially in environments where cylinders are exposed to moisture, chemicals, or corrosive agents. These advancements aim to enhance the durability and longevity of hydraulic cylinders. Let’s explore some of the key advancements in hydraulic cylinder technology that have improved corrosion resistance:

  1. Corrosion-Resistant Materials: The use of corrosion-resistant materials is a fundamental advancement in hydraulic cylinder technology. Stainless steel, for example, offers excellent resistance to corrosion, making it a popular choice in marine, offshore, and other corrosive environments. Additionally, advancements in metallurgy have led to the development of specialized alloys and coatings that provide enhanced corrosion resistance, extending the lifespan of hydraulic cylinders.
  2. Surface Treatments and Coatings: Various surface treatments and coatings have been developed to protect hydraulic cylinders from corrosion. These treatments can include electroplating, galvanizing, powder coating, and specialized corrosion-resistant coatings. These coatings create a barrier between the cylinder surface and corrosive elements, preventing direct contact and inhibiting the onset of corrosion. The selection of appropriate coatings depends on the specific application and environmental conditions.
  3. Sealing Technology: Effective sealing systems are crucial in preventing water, moisture, and contaminants from entering the cylinder and causing corrosion. Advancements in sealing technology have led to the development of high-quality seals and advanced sealing designs that offer superior resistance to corrosion. These seals are typically made from materials specifically engineered to withstand corrosive environments, ensuring long-term sealing performance and minimizing the risk of corrosion-related issues.
  4. Improved Surface Finishes: The surface finish of hydraulic cylinders plays a role in their resistance to corrosion. Advancements in machining and polishing techniques have allowed for smoother and more uniform surface finishes. Smoother surfaces reduce the likelihood of corrosion initiation and make it easier to clean and maintain hydraulic cylinders. Additionally, specialized finishes, such as passivation or chemical treatments, can be applied to further enhance corrosion resistance.
  5. Environmental Protection Features: Hydraulic cylinders can be equipped with additional features to protect against corrosion. These features may include protective boots, bellows, or shields that guard vulnerable areas from exposure to corrosive agents. By incorporating these protective elements into the design, hydraulic cylinders can withstand harsh environments and minimize the risk of corrosion-related damage.

In summary, advancements in hydraulic cylinder technology have significantly improved corrosion resistance. The use of corrosion-resistant materials, advanced surface treatments and coatings, innovative sealing technology, improved surface finishes, and the incorporation of environmental protection features have all contributed to enhanced durability and longevity of hydraulic cylinders in corrosive environments. These advancements ensure reliable performance and reduce the maintenance and replacement costs associated with corrosion-related issues.

hydraulic cylinder

How do hydraulic cylinders handle variations in load, pressure, and speed?

Hydraulic cylinders are designed to handle variations in load, pressure, and speed effectively. They incorporate features and components that allow them to adapt to changing operating conditions and maintain optimal performance. Here’s a detailed explanation of how hydraulic cylinders handle variations in load, pressure, and speed:

Variations in Load:

– Hydraulic cylinders are capable of handling variations in load by adjusting the force they exert. The force output of a hydraulic cylinder is determined by the hydraulic pressure and the surface area of the piston. When the load increases, the pressure in the hydraulic system can be adjusted to generate a higher force. This adjustment can be achieved by regulating the flow of hydraulic fluid into the cylinder using control valves. By controlling the pressure and flow, hydraulic cylinders can adapt to different load requirements, ensuring that the force applied is sufficient to handle the load while preventing excessive force that could cause damage.

Variations in Pressure:

– Hydraulic cylinders are designed to handle variations in pressure within the hydraulic system. They are equipped with seals and other components that can withstand high-pressure conditions. When the pressure within the hydraulic system fluctuates, the hydraulic cylinder adjusts accordingly to maintain its performance. The seals prevent fluid leakage and ensure that the hydraulic pressure is effectively transmitted to the piston, allowing the cylinder to generate the required force. Additionally, hydraulic systems often incorporate pressure relief valves and other safety mechanisms to protect the cylinder and the entire system from overpressure conditions.

Variations in Speed:

– Hydraulic cylinders can handle variations in speed through the control of hydraulic fluid flow. The speed of a hydraulic cylinder’s extension or retraction is determined by the rate at which hydraulic fluid enters or exits the cylinder. By adjusting the flow rate using flow control valves, the speed of the cylinder’s movement can be regulated. This allows for precise control over the speed, enabling operators to adapt to varying speed requirements based on the specific task or load. Furthermore, hydraulic systems can incorporate flow control valves with adjustable orifice sizes to fine-tune the speed of the cylinder’s movement.

Load-Sensing Technology:

– Advanced hydraulic systems may incorporate load-sensing technology to further enhance the ability of hydraulic cylinders to handle variations in load, pressure, and speed. Load-sensing systems monitor the load demand and adjust the hydraulic pressure and flow accordingly to meet that demand. This technology ensures that the hydraulic cylinder provides the necessary force while optimizing energy efficiency. Load-sensing systems are particularly beneficial in applications where the load requirements can vary significantly, allowing hydraulic cylinders to adapt in real-time and maintain precise control over force and speed.


– Hydraulic systems can also utilize accumulators to assist in handling variations in load, pressure, and speed. Accumulators store hydraulic fluid under pressure, which can be released when needed to supplement the flow and pressure in the system. When there are sudden increases in load or pressure demands, accumulators can provide additional fluid to the hydraulic cylinder, ensuring smooth operation and preventing pressure drops. Similarly, accumulators can assist in maintaining consistent speed by compensating for fluctuations in flow rate. They act as a supplemental energy source, helping hydraulic cylinders respond effectively to variations in operating conditions.

In summary, hydraulic cylinders handle variations in load, pressure, and speed through various mechanisms and components. They can adjust the force output to accommodate different load requirements by regulating hydraulic pressure. The seals and components within hydraulic cylinders allow them to withstand variations in pressure within the hydraulic system. By controlling the flow of hydraulic fluid, hydraulic cylinders can regulate the speed of their movement. Advanced technologies such as load-sensing systems and the use of accumulators further enhance the adaptability of hydraulic cylinders to changing operating conditions. These features and mechanisms enable hydraulic cylinders to maintain optimal performance and provide reliable force and motion control in a wide range of applications.

China Custom Empty Industrial Steel Gas Cylinder   manufacturer China Custom Empty Industrial Steel Gas Cylinder   manufacturer
editor by CX 2023-12-23

China Professional High Performance 30L Empty Steel Oxygen Gas Cylinder with Great quality

Product Description

High Performance 30L Empty Steel Oxygen Gas Cylinder

1.Product Description

The industrial cylinders are all made by high quality seamless steel pipe,consistent height, smoothly painting, and excellent properties, which is widely used for steel cutting, welding, electronic, medical and other fields.and are supposed to be used repeatedly for keeping argon which is mainly used for steel cutting, welding, electronic, medical and so on.

Outside diameter(mm) 203
Water capacity(L) 30
Height(mm) 1160
Weight(kg) 38
Design wall thickness(mm) 5.2
Working Pressure(Mpa) 20
Test pressure(Mpa) 30
Material 34CrMo4
Head Protection Tulip Cap or Common Cap
Cylinder Color As Clients Require
Certification Provided ISO9809/TPED/DOT

2.Gas Cylinder Process


3.Company Profile

Located in ZheJiang , SEFIC is a professional supplier of gas and gas equipment. Founded in the 90s, the company has already accumulated enough experience and became 1 of the best suppliers of all kinds of gas and gas equipment. Besides, it is 1 of the earliest in the country to gain the License of Pressure Vessel Type A2 and C2, ISO9

How to Identify a Faulty Drive Shaft

The most common problems associated with automotive driveshafts include clicking and rubbing noises. While driving, the noise from the driver’s seat is often noticeable. An experienced auto mechanic can easily identify whether the sound is coming from both sides or from 1 side. If you notice any of these signs, it’s time to send your car in for a proper diagnosis. Here’s a guide to determining if your car’s driveshaft is faulty:

Symptoms of Driveshaft Failure

If you’re having trouble turning your car, it’s time to check your vehicle’s driveshaft. A bad driveshaft can limit the overall control of your car, and you should fix it as soon as possible to avoid further problems. Other symptoms of a propshaft failure include strange noises from under the vehicle and difficulty shifting gears. Squeaking from under the vehicle is another sign of a faulty driveshaft.
If your driveshaft fails, your car will stop. Although the engine will still run, the wheels will not turn. You may hear strange noises from under the vehicle, but this is a rare symptom of a propshaft failure. However, you will have plenty of time to fix the problem. If you don’t hear any noise, the problem is not affecting your vehicle’s ability to move.
The most obvious signs of a driveshaft failure are dull sounds, squeaks or vibrations. If the drive shaft is unbalanced, it is likely to damage the transmission. It will require a trailer to remove it from your vehicle. Apart from that, it can also affect your car’s performance and require repairs. So if you hear these signs in your car, be sure to have it checked by a mechanic right away.

Drive shaft assembly

When designing a propshaft, the design should be based on the torque required to drive the vehicle. When this torque is too high, it can cause irreversible failure of the drive shaft. Therefore, a good drive shaft design should have a long service life. Here are some tips to help you design a good driveshaft. Some of the main components of the driveshaft are listed below.
Snap Ring: The snap ring is a removable part that secures the bearing cup assembly in the yoke cross hole. It also has a groove for locating the snap ring. Spline: A spline is a patented tubular machined element with a series of ridges that fit into the grooves of the mating piece. The bearing cup assembly consists of a shaft and end fittings.
U-joint: U-joint is required due to the angular displacement between the T-shaped housing and the pinion. This angle is especially large in raised 4x4s. The design of the U-joint must guarantee a constant rotational speed. Proper driveshaft design must account for the difference in angular velocity between the shafts. The T-bracket and output shaft are attached to the bearing caps at both ends.


Your vehicle has a set of U-joints on the driveshaft. If your vehicle needs to be replaced, you can do it yourself. You will need a hammer, ratchet and socket. In order to remove the U-joint, you must first remove the bearing cup. In some cases you will need to use a hammer to remove the bearing cup, you should be careful as you don’t want to damage the drive shaft. If you cannot remove the bearing cup, you can also use a vise to press it out.
There are 2 types of U-joints. One is held by a yoke and the other is held by a c-clamp. A full ring is safer and ideal for vehicles that are often used off-road. In some cases, a full circle can be used to repair a c-clamp u-joint.
In addition to excessive torque, extreme loads and improper lubrication are common causes of U-joint failure. The U-joint on the driveshaft can also be damaged if the engine is modified. If you are driving a vehicle with a heavily modified engine, it is not enough to replace the OE U-joint. In this case, it is important to take the time to properly lubricate these components as needed to keep them functional.

tube yoke

QU40866 Tube Yoke is a common replacement for damaged or damaged driveshaft tubes. They are desirably made of a metallic material, such as an aluminum alloy, and include a hollow portion with a lug structure at 1 end. Tube yokes can be manufactured using a variety of methods, including casting and forging. A common method involves drawing solid elements and machining them into the final shape. The resulting components are less expensive to produce, especially when compared to other forms.
The tube fork has a connection point to the driveshaft tube. The lug structure provides attachment points for the gimbal. Typically, the driveshaft tube is 5 inches in diameter and the lug structure is 4 inches in diameter. The lug structure also serves as a mounting point for the drive shaft. Once installed, Tube Yoke is easy to maintain. There are 2 types of lug structures: 1 is forged tube yoke and the other is welded.
Heavy-duty series drive shafts use bearing plates to secure the yoke to the U-joint. All other dimensions are secured with external snap rings. Yokes are usually machined to accept U-bolts. For some applications, grease fittings are used. This attachment is more suitable for off-road vehicles and performance vehicles.

end yoke

The end yoke of the drive shaft is an integral part of the drive train. Choosing a high-quality end yoke will help ensure long-term operation and prevent premature failure. Pat’s Driveline offers a complete line of automotive end yokes for power take-offs, differentials and auxiliary equipment. They can also measure your existing parts and provide you with high quality replacements.
A U-bolt is an industrial fastener with threaded legs. When used on a driveshaft, it provides greater stability in unstable terrain. You can purchase a U-bolt kit to secure the pinion carrier to the drive shaft. U-bolts also come with lock washers and nuts. Performance cars and off-road vehicles often use this type of attachment. But before you install it, you have to make sure the yoke is machined to accept it.
End yokes can be made of aluminum or steel and are designed to provide strength. It also offers special bolt styles for various applications. CZPT’s drivetrain is also stocked with a full line of automotive flange yokes. The company also produces custom flanged yokes for many popular brands. Since the company has a comprehensive line of replacement flange yokes, it can help you transform your drivetrain from non-serviceable to serviceable.


The first step in repairing or replacing an automotive driveshaft is to replace worn or damaged bushings. These bushings are located inside the drive shaft to provide a smooth, safe ride. The shaft rotates in a rubber sleeve. If a bushing needs to be replaced, you should first check the manual for recommendations. Some of these components may also need to be replaced, such as the clutch or swingarm.

China Professional High Performance 30L Empty Steel Oxygen Gas Cylinder     with Great qualityChina Professional High Performance 30L Empty Steel Oxygen Gas Cylinder     with Great quality

China OEM Seamless Steel Oxygen/Nitrogen/Argon Empty Gas Cylinder with Free Design Custom

Product Description

Here we would like to recommend you our production process below:

Our company specialize in producing & exporting Seamless Steel Gas Cylinders, oxygen gas cylinder s, Aluminum Gas Cylinders, Acetylene gas Cylinders, C2H2 gas cylinders,  Gas Regulators, Gas Cylinder Valves & Parts, Oxygen Cylinder Trolleys, Medical Gas Outlets, Gas Adaptors, Respiratory Products, Gas Equipment Parts.

Type (mm)
Design Wall
WMA121-2.8-15 121 2.8 350 4.9 15 3.5 37Mn
WMA121-3-15 3 375 5.2
WMA121-3.2-15 3.2 390 5.4
WMA121-3.5-15 3.5 420 5.7
WMA121-4-15 4 470 6.3
WMT121-3.2-15 3.2 387 5
WMT121-4-15 4 477 6.1
WMA140-3.4-15 140 3.4 321 5.8 15 4.1 37Mn
WMA140-3.6-15 3.6 335 6
WMA140-4-15 4 365 6.4
WMA140-5-15 5 440 7.6
WMA140-6-15 6 515 8.8
WMA140-6.3-15 6.3 545 9.2
WMA140-6.5-15 6.5 557 9.4
WMA140-6.7-15 6.7 567 9.5
WMA140-7-15 7 595 9.9
WMA140-7.5-15 7.5 632 10.5
WMA140-8-15 8 665 11
WMA140-9-15 9 745 12.2
WMA140-10-15 10 830 13.5
WMA140-11-15 11 885 14.3
WMA140-13.4-15 13.4 1070 17.1
WMA140-14-15 14 1115 17.7
WMA152-6-15 152 6 450 8.5 15 4.4 37Mn
WMA152-7-15 7 510 9.5
WMA152-7.6-15 7.6 550 10.1
WMA152-8-15 8 585 10.7
WMA152-10-15 10 700 12.6
WMA152-15-15 15 1012 17.7
WMA159-4-15 159 4 320 6.8 15 4.4 37Mn
WMA159-4.5-15 4.5 350 7.3
WMA159-7-15 7 495 9.8
WMA159-8-15 8 554 10.8
WMA159-9-15 9 610 11.7
WMA159-10-15 10 665 12.7
WMA159-11-15 11 722 13.7
WMA159-12-15 12 790 14.8
WMA159-12.5-15 12.5 802 15
WMA159-13-15 13 833 15.6
WMA159-13.4-15 13.4 855 16
WMA159-13.5-15 13.5 866 16.1
WMA159-13.7-15 13.7 878 16.3
WMA159-14-15 14 890 16.5
WMA159-15-15 15 945 17.5
WMA159-16-15 16 1000 18.4
WMA180-8-15 180 8 480 13.8 15 5.3 37Mn
WMA180-10-15 10 570 16.1
WMA180-12-15 12 660 18.3
WMA180-15-15 15 790 21.6
WMA180-20-15 20 1015 27.2
WMA180-21-15 21 1061 28.3
WMA180-21.6-15 21.6 1087 29
WMA180-22.3-15 22.3 1100 29.4
WMA219-20-15 219 20 705 27.8 15 5.7 37Mn
WMA219-21-15 21 735 28.8
WMA219-25-15 25 855 32.8
WMA219-27-15 27 915 34.8
WMA219-36-15 36 1185 43.9
WMA219-38-15 38 1245 45.9
WMA219-40-15 40 1305 47.8
WMA219-45-15 45 1455 52.9
WMA219-46.7-15 46.7 1505 54.6
WMA219-50-15 50 1605 57.9
WZA267-40-15 267 40 922 43.3 15 5.8 37Mn
WZA267-50-15 50 1119 51.3
WZA267-60-15 60 1316 59.3
WZA267-68-15 68 1474 65.7
WZA267-70-15 70 1513 67.3
WZA267-80-15 80 1710 75.4

Established in 1998. Our company possesses 3 production lines for production of various seamless gas cylinders. The annual production and sale for gas cylinders of below 20L for 600 thousand pieces, accounting for 90% domestic share in small size gas cylinder market. The recently set up new production line for 0.4L-80L emergency respirator, colliery escape capsule and refuge chamber has the annual production of 700 thousand pieces of cylinders. By the year 2013, the total specifications we do ascent to 109 types to meet different customers’ requirement.
Our major products are oxygen cylinder, nitrogen cylinder, carbon dioxide cylinder, argon cylinder, other industrial cylinder, medical oxygen supply unit, etc., with wide application for fields of medical apparatus and instruments, engineering machinery, colliery rescue, gas industry, welding-cutting machinery, and chemical industry. Our cryogenic vessels production line mainly produce cryogenic liquid storage tanks, welding insulation cylinders, cryogenic reaction device, cryogenic tanks, cryogenic ISO tank container and air temperature vaporizer.
So far our products are enjoying good markets at home and exporting to European and American countries, the Middle East countries, West Asia, as well as South and East Asia countries.


Types of Bevel Gears

Bevel Gears are used in a number of industries. They are used in wheeled excavators, dredges, conveyor belts, mill actuators, and rail transmissions. A bevel gear’s spiral or angled bevel can make it suitable for confined spaces. It is also used in robotics and vertical supports of rolling mills. You can use bevel gears in food processing processes. For more information on bevel gears, read on.

Spiral bevel gear

Spiral bevel gears are used to transmit power between 2 shafts in a 90-degree orientation. They have curved or oblique teeth and can be fabricated from various metals. Bestagear is 1 manufacturer specializing in medium to large spiral bevel gears. They are used in the mining, metallurgical, marine, and oil fields. Spiral bevel gears are usually made from steel, aluminum, or phenolic materials.
Spiral bevel gears have many advantages. Their mesh teeth create a less abrupt force transfer. They are incredibly durable and are designed to last a long time. They are also less expensive than other right-angle gears. They also tend to last longer, because they are manufactured in pairs. The spiral bevel gear also reduces noise and vibration from its counterparts. Therefore, if you are in need of a new gear set, spiral bevel gears are the right choice.
The contact between spiral bevel gear teeth occurs along the surface of the gear tooth. The contact follows the Hertz theory of elastic contact. This principle holds for small significant dimensions of the contact area and small relative radii of curvature of the surfaces. In this case, strains and friction are negligible. A spiral bevel gear is a common example of an inverted helical gear. This gear is commonly used in mining equipment.
Spiral bevel gears also have a backlash-absorbing feature. This feature helps secure the thickness of the oil film on the gear surface. The shaft axis, mounting distance, and angle errors all affect the tooth contact on a spiral bevel gear. Adjusting backlash helps to correct these problems. The tolerances shown above are common for bevel gears. In some cases, manufacturers make slight design changes late in the production process, which minimizes the risk to OEMs.

Straight bevel gear

Straight bevel gears are among the easiest types of gears to manufacture. The earliest method used to manufacture straight bevel gears was to use a planer equipped with an indexing head. However, improvements have been made in manufacturing methods after the introduction of the Revacycle system and the Coniflex. The latest technology allows for even more precise manufacturing. Both of these manufacturing methods are used by CZPT. Here are some examples of straight bevel gear manufacturing.
A straight bevel gear is manufactured using 2 kinds of bevel surfaces, namely, the Gleason method and the Klingelnberg method. Among the two, the Gleason method is the most common. Unlike other types of gear, the CZPT method is not a universal standard. The Gleason system has higher quality gears, since its adoption of tooth crowning is the most effective way to make gears that tolerate even small assembly errors. It also eliminates the stress concentration in the bevelled edges of the teeth.
The gear’s composition depends on the application. When durability is required, a gear is made of cast iron. The pinion is usually 3 times harder than the gear, which helps balance wear. Other materials, such as carbon steel, are cheaper, but are less resistant to corrosion. Inertia is another critical factor to consider, since heavier gears are more difficult to reverse and stop. Precision requirements may include the gear pitch and diameter, as well as the pressure angle.
Involute geometry of a straight bevel gear is often computed by varying the surface’s normal to the surface. Involute geometry is computed by incorporating the surface coordinates and the theoretical tooth thickness. Using the CMM, the spherical involute surface can be used to determine tooth contact patterns. This method is useful when a roll tester tooling is unavailable, because it can predict the teeth’ contact pattern.

Hypoid bevel gear

Hypoid bevel gears are an efficient and versatile speed reduction solution. Their compact size, high efficiency, low noise and heat generation, and long life make them a popular choice in the power transmission and motion control industries. The following are some of the benefits of hypoid gearing and why you should use it. Listed below are some of the key misperceptions and false assumptions of this gear type. These assumptions may seem counterintuitive at first, but will help you understand what this gear is all about.
The basic concept of hypoid gears is that they use 2 non-intersecting shafts. The smaller gear shaft is offset from the larger gear shaft, allowing them to mesh without interference and support each other securely. The resulting torque transfer is improved when compared to conventional gear sets. A hypoid bevel gear is used to drive the rear axle of an automobile. It increases the flexibility of machine design and allows the axes to be freely adjusted.
In the first case, the mesh of the 2 bodies is obtained by fitting the hyperboloidal cutter to the desired gear. Its geometric properties, orientation, and position determine the desired gear. The latter is used if the desired gear is noise-free or is required to reduce vibrations. A hyperboloidal cutter, on the other hand, meshes with 2 toothed bodies. It is the most efficient option for modeling hypoid gears with noise concerns.
The main difference between hypoid and spiral bevel gears is that the hypoid bevel gear has a larger diameter than its counterparts. They are usually found in 1:1 and 2:1 applications, but some manufacturers also provide higher ratios. A hypoid gearbox can achieve speeds of 3 thousand rpm. This makes it the preferred choice in a variety of applications. So, if you’re looking for a gearbox with a high efficiency, this is the gear for you.

Addendum and dedendum angles

The addendum and dedendum angles of a bevel gear are used to describe the shape and depth of the teeth of the gear. Each tooth of the gear has a slightly tapered surface that changes in depth. These angles are defined by their addendum and dedendum distances. Addendum angle is the distance between the top land and the bottom surface of the teeth, while dedendum angle is the distance between the pitch surface and the bottom surface of the teeth.
The pitch angle is the angle formed by the apex point of the gear’s pitch cone with the pitch line of the gear shaft. The dedendum angle, on the other hand, is the depth of the tooth space below the pitch line. Both angles are used to measure the shape of a bevel gear. The addendum and dedendum angles are important for gear design.
The dedendum and addendum angles of a bevel gear are determined by the base contact ratio (Mc) of the 2 gears. The involute curve is not allowed to extend within the base diameter of the bevel gear. The base diameter is also a critical measurement for the design of a gear. It is possible to reduce the involute curve to match the involute curve, but it must be tangential to the involute curve.
The most common application of a bevel gear is the automotive differential. They are used in many types of vehicles, including cars, trucks, and even construction equipment. They are also used in the marine industry and aviation. Aside from these 2 common uses, there are many other uses for bevel gears. And they are still growing in popularity. But they’re a valuable part of automotive and industrial gearing systems.

Applications of bevel gears

Bevel gears are used in a variety of applications. They are made of various materials depending on their weight, load, and application. For high-load applications, ferrous metals such as grey cast iron are used. These materials have excellent wear resistance and are inexpensive. For lower-weight applications, steel or non-metals such as plastics are used. Some bevel gear materials are considered noiseless. Here are some of their most common uses.
Straight bevel gears are the easiest to manufacture. The earliest method of manufacturing them was with a planer with an indexing head. Modern manufacturing methods introduced the Revacycle and Coniflex systems. For industrial gear manufacturing, the CZPT uses the Revacycle system. However, there are many types of bevel gears. This guide will help you choose the right material for your next project. These materials can withstand high rotational speeds and are very strong.
Bevel gears are most common in automotive and industrial machinery. They connect the driveshaft to the wheels. Some even have a 45-degree bevel. These gears can be placed on a bevel surface and be tested for their transmission capabilities. They are also used in testing applications to ensure proper motion transmission. They can reduce the speed of straight shafts. Bevel gears can be used in many industries, from marine to aviation.
The simplest type of bevel gear is the miter gear, which has a 1:1 ratio. It is used to change the axis of rotation. The shafts of angular miter bevel gears can intersect at any angle, from 45 degrees to 120 degrees. The teeth on the bevel gear can be straight, spiral, or Zerol. And as with the rack and pinion gears, there are different types of bevel gears.

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