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China factory CNG Gas Cylinder Rack Export South America with high quality

Product Description

CNG Cylinder for Vehicle
Water volume: 140L
Outside diameter: 406mm
Nominal length: 1380mm
Service pressure: 20MPa
Steel cylinders for the on-board storage of compressed natural gas as a fuel for vehicles (CNG-2)
CNG vehicle cylinder with advanced manufacturing equipment, inspective examination and testing method, strong technical resources, and a qualified management system.

Producing Standard: ISO11439, ISO9809, ECE R110.
Certificate: ISO11439, ISO9809, E-MARK
we mainly produce CNG cylinder for vehicle,compressed nature gas cylinder,CNG Car Cylinders,CNG gas Cylinders,CNG cylinder for cars,CNG tank,Natural-gas vehicles tank,CNG vehicle cylinders

Serial no. Type Working Pressure(Mpa) Test Pressure(Mpa) Water Capacity(L) Design Wall Thickness(mm) Outside Diameter(mm) Height(without valve)(mm) Weight(without valve & cap)(kg) Material
2 CNP20-80-406A 20 30 80 8.8 406 880 91 34CrMo4
3 CNP20-90-406A 90 960 99
4 CNP20-100-406A 100 1050 107

 

CNG-1 cylinder
Serial no. Type Working Pressure(Mpa) Test Pressure(Mpa) Water Capacity(L) Design Wall Thickness(mm) Outside Diameter(mm) Height(without valve)(mm) Weight(without valve & cap)(kg) Material
1 CNG20-28-232A 20 30 28 5.5 232 860 35 34CrMo4
2 CNG20-30-279A     30          
3 CNG20-40-279A 20 30 40 7.6 279 890 55 30CrMo
4 CNG20-55-325A     55          
3 CNG20-70-356A 20 30 70 7.5 356 945 75 34CrMo4

Overview of Different Types of Pulleys

A pulley is a wheel mounted on a shaft or shaft. Its purpose is to facilitate the movement or change of direction of the cable or taut rope, and to transmit power between the cable and the shaft. Pulleys are typically used for lifting, winding or forklift applications. If you are building your own pulley system, the following design and installation considerations should be followed. This article will give you an overview of the different types of pulleys.
pulley

Pulley System Mechanics

There are many different ways to utilize the mechanism of the pulley system. The most basic pulley system consists of a fixed wheel and a support frame. Both components are connected by ropes or cables used to support the load. A pulley system is effective when the force required to lift the load is less than the weight of the object being lifted.
One way to use a pulley system is to suspend a block with a mass of 0.80 kg on a fixed pulley. Then another person can hang a bucket weighing up to 40kg. The weight of the bucket is transferred to the fixed pulley. The rope is attached to the pulley by a loop or sling. The rope will spin and pull on the barrel or block.
The pulley system is also an important tool for lifting heavy objects. Pulleys are often used in construction equipment to make lifting heavy objects easier. Gun tackles, yard tackles, and stationary tackle systems are common examples of these devices. They use the mechanical advantage of the design to guide the force that lifts the object. If you want to learn more about pulley systems, visit Vedantu. This website will provide you with a full description of the mechanism and its application.

Types of pulleys

Many different types of pulleys are used to lift heavy objects. They change the direction of the force and are an integral part of the cable system. Therefore, pulleys can move large and heavy objects more easily. However, before buying a pulley, you should have an idea of ​​the benefits it brings. Below are some of the most common uses for pulleys.
Conical Pulley: Consists of several small conical pulleys connected to each other. The larger base of 1 pulley is used to guide the force. Round pulleys are used in the same way as step pulleys. They are widely used in industry and can be purchased at any hardware store. Pulleys are a huge investment, and the benefits they provide far outweigh the cost.
Movable Pulls: These are similar to their names, but work by allowing objects to move with the pull. Their movable parts are attached to the object to be lifted. They are also ideal for lifting heavy loads and can be found in utility elevators and construction cranes. They are also used in many other industries. They can also be made of wood, plastic or metal. The type of pulley you use depends on its intended use.

Mechanical Advantages of Pulley Systems

A pulley system is a simple machine that reduces the effort required to lift heavy loads. This mechanical advantage is proportional to the number of loops. For example, if you have a single rope loop, you must apply equal force to lift the weight. When you add another rope loop, you can lift heavier weights just by applying the same force. Therefore, a pulley system is an excellent way to use gravity to your advantage.
Mechanical advantage is a measure of the effectiveness of a pulley system. This ratio of force to work is called the mechanical advantage. In other words, if the rope system has a large mechanical advantage, it means that it requires less force to lift heavier loads. This advantage is usually measured in kilograms and is the same for all pulley systems. In general, the greater the mechanical advantage, the less effort is required to lift the load.
The mechanical advantage of a pulley system is that a single movable pulley requires half the force to lift an object than a single fixed pulley. Assuming frictionless bearings, the MA of a single pulley system is 2, similar to the MA of a single lever. A single pulley travels twice as much as it takes to move heavy objects manually.
pulley

Considerations when designing and installing a pulley system

The capacity of the pulley depends on the type and diameter of the cable. Besides its diameter, its sheath should also support it well. The basic function of the pulley is also important. However, most people tend to ignore the pulley selection process, resulting in ineffective load-pull capabilities. To avoid such problems, different parameters must be carefully considered during design and installation.
During the design and installation of the pulley system, the ratio of the cable diameter to the largest pulley diameter must be considered. Those who work in the industrial sector will have an idea of ​​this ratio. The greater the D:d ratio, the greater the capacity of the cable to withstand the load. The best way to ensure secure design is to take the right information and use it to design a system that is both robust and secure.
When designing a pulley system, it is important to remember that the pulley needs to have enough power to operate safely. In addition to horsepower, the belt should have sufficient elongation to absorb shock loads. If the elongation of the belt is very small, it is very likely that the teeth will be sheared or broken, causing serious damage to the system. Extensive belt sag should be compensated for by offsetting the driven pulley. Finally, the frame supporting the pulley should be rigid. Otherwise, the non-rigid frame will cause center distance and tooth skipping changes.

Add more pulleys to the system

Adding more pulleys to the spool might have some effect. The friction between the rope and the pulley increases with the number of pulleys, which in practice limits the number of spools. The best solution is to combine the pulleys into 1 housing. If the load is small enough, adding a few pulleys probably won’t make a difference.
Using multiple pulleys allows a single load to be lifted with half the force required. The longer the rope, the greater the mechanical advantage. In fact, a spool can withstand a load of 100 N. Additionally, adding more pulleys quadrupled the mechanical advantage. In this case, a single 100 N load would require a force of 25 Newtons.
When the rope is used, it stretches as the weight of the object increases. This will make the rope longer, increasing its length and increasing the distance over which the load can be lifted. Eventually, the rope will break and the lifted object will fall. Then you will have to buy a new rope. It may seem like an expensive proposition, but it pays off in the long run.

cast iron pulley

Cast iron pulleys are the most popular choice among industrial users. They are made of solid cast iron and usually cost very little. Their rims are held in place by a mesh that extends from a central boss. They also have spokes and arms that hold them in place. These pulleys are ideal for a variety of applications including fan belts, compressors and conveyors.
V-groove drive pulleys are ideal for general purpose pulleys. It has an inner diameter of 1 inch and is commonly used in feeders and ventilation curtain systems. Its steel straps prevent rust and ensure it meets or exceeds industry standards. 3-1/2″ cast iron pulleys are also available. In addition to the V-groove drive pulley, there are similar pulleys for power transmission. The V-groove drive pulley is powder coated for added durability.
The cross section of the arm is elliptical, with the long axis twice as long as the short axis. The radius of the arm is equal to the diameter of the pulley. The thickness of the arm is a key factor to consider when purchasing a pulley. If you’re not sure which material you need, you can always consider wooden or steel pulleys. They are lighter and have a higher coefficient of friction than metal pulleys.
pulley

timing pulley

Plastic timing pulleys have many advantages over steel timing pulleys. On the 1 hand, they are lightweight and corrosion resistant, making them ideal for applications that do not require high torque and tensile strength. Another benefit is their resistance to high temperatures. Plastic timing pulleys are ideal for applications involving flammable gases, solvents or particles. They can last for many years. For more information on the different types of plastic timing pulleys.
Vertical shaft drives require flanged timing pulleys. For large span drives, at least 1 of these pulleys must be flanged. The flange provides a secure connection to the shaft and prevents ratcheting of the timing belt. Finally, HTD timing belt teeth prevent timing belt ratcheting. These teeth need a large enough space to be seated. However, they can also cause a backlash. These pulleys are not suitable for applications where positional accuracy is critical.
Timing belt systems are designed to avoid such problems. The drive shaft and the driven shaft are aligned with each other. The pulleys are located on different planes and are connected by pitch lines. The pitch line of the timing pulley coincides with the pitch line of the belt. These pulleys are also easier to implement and maintain. It is better to use a synchronous system because the resulting gear system emits less noise than other systems.

China factory CNG Gas Cylinder Rack Export South America     with high qualityChina factory CNG Gas Cylinder Rack Export South America     with high quality

China Professional 50L 200bar Gas Cylinder Rack with Hot selling

Product Description

JD brand medical oxygen cylinder

Model Number: ISO229-50-200

Material: Steel  34Crmo4

new seamless steel gas cylinder for N2,O2 

Industrial nitrogen Gas

Pressure: High

Place of Origin: China (Mainland)

Brand Name: CZPT seamless steel cylinder

Thickness of seamless:4.3mm

weight of seamless: 50kg

TP:200KG/CM2

PW:300KG/CM2

40L and 50L medical oxygen cylinders  
Type   (mm)
Outside
Diameter
(L)
Water
Capacity
(mm)
()
Height
(Withoutvalve)
(Kg)
(,)
Weight(Without
valve,cap)
(Mpa)
Working
Pressure
(mm)
Design Wall
Thickness
Material
Grades
ISO232-40-150 219 40 1167 43 200 5.2 37Mn
ISO232-47-150 47 1351 49
ISO232-50-150 50 1430 51.6
ISO232-40-200 232 40 1156 44.9 200 5.2 34CrMo4
ISO232-46.7-200 46.7 1333 51
ISO232-47-200 47 1341 51.3
ISO232-50-200 50 1420 54
EN232-40-210 232(TPED) 40 1156 44.9 230 5.8 34CrMo4
EN232-46.7-210 46.7 1333 51
EN232-47-210 47 1341 51.3
EN232-50-210 50 1420 54
EN232-40-230 40 1156 44.9 230 5.8 34CrMo4
EN232-46.7-230 46.7 1333 51
ISO232-47-230   47 1341 51.3
ISO232-50-230   50 1420 54
ISO267-40-150 267 40 922 43.3 150 5.8 37Mn
ISO267-50-150 50 1119 51.3

 
50L (10M3) Oxygen cylinder record of hydrostatic test                 pressure time ≥ 60S
                 
S.N Serial No. ()The weight without valve&cap(kg) Volumetric Capacity(L) Total expansion(ml) Permanent expansion(ml) Percent of Permanent to totalexpanison(%) Test Pressure 250Bar Lot and Batch No.
351 18Y571 001 56.4 50.2  215.1  3.1  1.4  300 18Y571
352 18Y571 002 56.5 50.4  208.5  3.0  1.4  300 18Y571
353 18Y571 003 56.4 50.2  212.2  2.8  1.3  300 18Y571
354 18Y571 004 56.2 50.0  214.9  3.0  1.4  300 18Y571
355 18Y571 005 56.3 50.2  212.2  2.8  1.3  300 18Y571
356 18Y571 006 56 50.0  219.8  2.9  1.3  300 18Y571
357 18Y571 007 56.3 50.1  213.5  2.8  1.3  300 18Y571
358 18Y571 008 56.1 50.4  210.5  3.2  1.5  300 18Y571
359 18Y571 009 56.1 50.5  212.1  2.8  1.3  300 18Y571
360 18Y571 571 55.9 50.7  203.5  3.1  1.5  300 18Y571
361 18Y571 011 56.1 50.0  214.9  2.8  1.3  300 18Y571
362 18Y571 012 56.6 50.4  210.5  3.2  1.5  300 18Y571
363 18Y571 013 55.9 50.2  211.2  2.7  1.3  300 18Y571
364 18Y571 014 55.8 50.2  211.2  3.1  1.5  300 18Y571
365 18Y571 015 55.9 50.1  211.6  2.8  1.3  300 18Y571
366 18Y571 016 55.6 50.0  213.9  3.2  1.5  300 18Y571
367 18Y571 017 56.1 50.0  213.9  2.8  1.3  300 18Y571
368 18Y571 018 56.3 50.0  213.9  3.0  1.4  300 18Y571
369 18Y571 019 56.1 50.6  205.8  3.2  1.6  300 18Y571
370 18Y571 571 55.8 50.3  209.9  2.6  1.2  300 18Y571
371 18Y571 571 55.7 50.0  213.9  3.1  1.4  300 18Y571
372 18Y571 571 55.7 50.1  212.6  2.8  1.3  300 18Y571
373 18Y571 571 56 50.1  211.6  2.8  1.3  300 18Y571
374 18Y571 571 56.5 50.1  214.5  2.8  1.3  300 18Y571
375 18Y571 571 56.1 50.3  210.8  2.8  1.3  300 18Y571
376 18Y571 026 56.2 50.3  210.8  3.2  1.5  300 18Y571
377 18Y571 571 56.3 50.0  214.9  3.1  1.4  300 18Y571
378 18Y571 571 56 50.2  212.2  2.9  1.4  300 18Y571
379 18Y571 571 56.7 50.2  211.2  3.0  1.4  300 18Y571
380 18Y571 030 56.1 50.1  213.5  2.6  1.2  300 18Y571
381 18Y571 031 55.9 50.0  213.9  2.8  1.3  300 18Y571
382 18Y571 032 55.9 54.0  163.8  2.6  1.6  300 18Y571
383 18Y571 033 56.3 50.1  212.6  2.8  1.3  300 18Y571
384 18Y571 034 55.9 50.5  207.1  3.2  1.5  300 18Y571
385 18Y571 035 56.3 50.3  210.8  3.0  1.4  300 18Y571
386 18Y571 036 56.3 50.4  208.5  2.8  1.3  300 18Y571
387 18Y571 037 55.7 50.3  211.8  2.7  1.3  300 18Y571
388 18Y571 038 56 50.0  217.9  2.8  1.3  300 18Y571
389 18Y571 039 56.1 50.0  212.9  3.1  1.5  300 18Y571
390 18Y571 040 56.2 50.2  211.2  2.8  1.3  300 18Y571
391 18Y571 041 56.6 50.6  205.8  2.6  1.3  300 18Y571
392 18Y571 042 56.4 50.1  212.6  3.3  1.6  300 18Y571
393 18Y571 043 56.2 50.2  213.2  2.6  1.2  300 18Y571
394 18Y571 044 55.8 50.4  208.5  2.7  1.3  300 18Y571
395 18Y571 045 55.7 50.0  213.9  2.8  1.3  300 18Y571
396 18Y571 046 56.4 50.0  213.9  3.3  1.5  300 18Y571
397 18Y571 047 56.1 50.2  213.2  3.2  1.5  300 18Y571
398 18Y571 048 56.2 50.0  213.9  2.7  1.3  300 18Y571
399 18Y571 049 56.4 50.1  214.5  3.1  1.4  300 18Y571
400 18Y571 050 56 50.4  210.5  3.2  1.5  300 18Y571

100% new high quality seamless steel pipe from Bao Shan Iron co.,ltd (Baosteel).
Total 5 working line make 3000pcs per day for oxygen gas cylinder, argon gas cylinder, helium gas cylinder, Nitrogen gas cylinder , Co2 gas cylinder, N2O gas cylinder..etc

China top 1 advanced heat treatment machine. And China top 1 internal polishing machine to make high purity gas cylinder with 99.999% oxygen gas, helium gas, N2O gas and argon gas….

100% Hydrostatic prssure test and leakage test to keep the quality

Advanced automatic  spraying working line make the spraying at high top quality , no any bubble , without shrinkage and distoration .

Japan imported shoulder marking machine make it the most qualified ones  .
DSW seamless gas cylinder have nice appearance shoulders because we use shape-correction machine treatment make the cylinder shoulder most beautiful shape which other supplier can’t be compared.

Laboratory test standard  ISO9809-3 and ISO9809-1, DOT-3AA, EN1964,GB5099 ..etc
Place of Origin: China

How to Select a Worm Shaft and Gear For Your Project

You will learn about axial pitch PX and tooth parameters for a Worm Shaft 20 and Gear 22. Detailed information on these 2 components will help you select a suitable Worm Shaft. Read on to learn more….and get your hands on the most advanced gearbox ever created! Here are some tips for selecting a Worm Shaft and Gear for your project!…and a few things to keep in mind.
worm shaft

Gear 22

The tooth profile of Gear 22 on Worm Shaft 20 differs from that of a conventional gear. This is because the teeth of Gear 22 are concave, allowing for better interaction with the threads of the worm shaft 20. The worm’s lead angle causes the worm to self-lock, preventing reverse motion. However, this self-locking mechanism is not entirely dependable. Worm gears are used in numerous industrial applications, from elevators to fishing reels and automotive power steering.
The new gear is installed on a shaft that is secured in an oil seal. To install a new gear, you first need to remove the old gear. Next, you need to unscrew the 2 bolts that hold the gear onto the shaft. Next, you should remove the bearing carrier from the output shaft. Once the worm gear is removed, you need to unscrew the retaining ring. After that, install the bearing cones and the shaft spacer. Make sure that the shaft is tightened properly, but do not over-tighten the plug.
To prevent premature failures, use the right lubricant for the type of worm gear. A high viscosity oil is required for the sliding action of worm gears. In two-thirds of applications, lubricants were insufficient. If the worm is lightly loaded, a low-viscosity oil may be sufficient. Otherwise, a high-viscosity oil is necessary to keep the worm gears in good condition.
Another option is to vary the number of teeth around the gear 22 to reduce the output shaft’s speed. This can be done by setting a specific ratio (for example, 5 or 10 times the motor’s speed) and modifying the worm’s dedendum accordingly. This process will reduce the output shaft’s speed to the desired level. The worm’s dedendum should be adapted to the desired axial pitch.

Worm Shaft 20

When selecting a worm gear, consider the following things to consider. These are high-performance, low-noise gears. They are durable, low-temperature, and long-lasting. Worm gears are widely used in numerous industries and have numerous benefits. Listed below are just some of their benefits. Read on for more information. Worm gears can be difficult to maintain, but with proper maintenance, they can be very reliable.
The worm shaft is configured to be supported in a frame 24. The size of the frame 24 is determined by the center distance between the worm shaft 20 and the output shaft 16. The worm shaft and gear 22 may not come in contact or interfere with 1 another if they are not configured properly. For these reasons, proper assembly is essential. However, if the worm shaft 20 is not properly installed, the assembly will not function.
Another important consideration is the worm material. Some worm gears have brass wheels, which may cause corrosion in the worm. In addition, sulfur-phosphorous EP gear oil activates on the brass wheel. These materials can cause significant loss of load surface. Worm gears should be installed with high-quality lubricant to prevent these problems. There is also a need to choose a material that is high-viscosity and has low friction.
Speed reducers can include many different worm shafts, and each speed reducer will require different ratios. In this case, the speed reducer manufacturer can provide different worm shafts with different thread patterns. The different thread patterns will correspond to different gear ratios. Regardless of the gear ratio, each worm shaft is manufactured from a blank with the desired thread. It will not be difficult to find 1 that fits your needs.
worm shaft

Gear 22’s axial pitch PX

The axial pitch of a worm gear is calculated by using the nominal center distance and the Addendum Factor, a constant. The Center Distance is the distance from the center of the gear to the worm wheel. The worm wheel pitch is also called the worm pitch. Both the dimension and the pitch diameter are taken into consideration when calculating the axial pitch PX for a Gear 22.
The axial pitch, or lead angle, of a worm gear determines how effective it is. The higher the lead angle, the less efficient the gear. Lead angles are directly related to the worm gear’s load capacity. In particular, the angle of the lead is proportional to the length of the stress area on the worm wheel teeth. A worm gear’s load capacity is directly proportional to the amount of root bending stress introduced by cantilever action. A worm with a lead angle of g is almost identical to a helical gear with a helix angle of 90 deg.
In the present invention, an improved method of manufacturing worm shafts is described. The method entails determining the desired axial pitch PX for each reduction ratio and frame size. The axial pitch is established by a method of manufacturing a worm shaft that has a thread that corresponds to the desired gear ratio. A gear is a rotating assembly of parts that are made up of teeth and a worm.
In addition to the axial pitch, a worm gear’s shaft can also be made from different materials. The material used for the gear’s worms is an important consideration in its selection. Worm gears are usually made of steel, which is stronger and corrosion-resistant than other materials. They also require lubrication and may have ground teeth to reduce friction. In addition, worm gears are often quieter than other gears.

Gear 22’s tooth parameters

A study of Gear 22’s tooth parameters revealed that the worm shaft’s deflection depends on various factors. The parameters of the worm gear were varied to account for the worm gear size, pressure angle, and size factor. In addition, the number of worm threads was changed. These parameters are varied based on the ISO/TS 14521 reference gear. This study validates the developed numerical calculation model using experimental results from Lutz and FEM calculations of worm gear shafts.
Using the results from the Lutz test, we can obtain the deflection of the worm shaft using the calculation method of ISO/TS 14521 and DIN 3996. The calculation of the bending diameter of a worm shaft according to the formulas given in AGMA 6022 and DIN 3996 show a good correlation with test results. However, the calculation of the worm shaft using the root diameter of the worm uses a different parameter to calculate the equivalent bending diameter.
The bending stiffness of a worm shaft is calculated through a finite element model (FEM). Using a FEM simulation, the deflection of a worm shaft can be calculated from its toothing parameters. The deflection can be considered for a complete gearbox system as stiffness of the worm toothing is considered. And finally, based on this study, a correction factor is developed.
For an ideal worm gear, the number of thread starts is proportional to the size of the worm. The worm’s diameter and toothing factor are calculated from Equation 9, which is a formula for the worm gear’s root inertia. The distance between the main axes and the worm shaft is determined by Equation 14.
worm shaft

Gear 22’s deflection

To study the effect of toothing parameters on the deflection of a worm shaft, we used a finite element method. The parameters considered are tooth height, pressure angle, size factor, and number of worm threads. Each of these parameters has a different influence on worm shaft bending. Table 1 shows the parameter variations for a reference gear (Gear 22) and a different toothing model. The worm gear size and number of threads determine the deflection of the worm shaft.
The calculation method of ISO/TS 14521 is based on the boundary conditions of the Lutz test setup. This method calculates the deflection of the worm shaft using the finite element method. The experimentally measured shafts were compared to the simulation results. The test results and the correction factor were compared to verify that the calculated deflection is comparable to the measured deflection.
The FEM analysis indicates the effect of tooth parameters on worm shaft bending. Gear 22’s deflection on Worm Shaft can be explained by the ratio of tooth force to mass. The ratio of worm tooth force to mass determines the torque. The ratio between the 2 parameters is the rotational speed. The ratio of worm gear tooth forces to worm shaft mass determines the deflection of worm gears. The deflection of a worm gear has an impact on worm shaft bending capacity, efficiency, and NVH. The continuous development of power density has been achieved through advancements in bronze materials, lubricants, and manufacturing quality.
The main axes of moment of inertia are indicated with the letters A-N. The three-dimensional graphs are identical for the seven-threaded and one-threaded worms. The diagrams also show the axial profiles of each gear. In addition, the main axes of moment of inertia are indicated by a white cross.

China Professional 50L 200bar Gas Cylinder Rack     with Hot sellingChina Professional 50L 200bar Gas Cylinder Rack     with Hot selling