Tag Archives: lng cylinder

China Custom LNG Vessel Hydrogen Pressure CZPT Tank Vehicle Hydraulic Cylinder with Hot selling

Product Description

Product Description

Product advantages:
1. Long term heat preservation: high vacuum degree, low exhaust frequency, 2 years vacuum guarantee, better
than competitors

2. High Safety: There is no leakage while using. It is not dangerous when being baked in the fire for 40 mins, dropping down from 10 m height, hit by 100km/h. The gas cylinder frame fits the special installation requirements of the LNG
automobiles and adapts to any complex conditions.

3. High stability: The gas cylinder output pressure in the gas supply system and matching degree of the valves is more stable

 

Product Parameters

 

V(l) 500L 500L-I 750L 850L  995L 995L-I
OD(mm) φ658  φ708 φ858 φ858 φ858 φ908
L(mm) 2102 1833 1902 2106 2329 2168
NW(Kg) 265-275 265-275 400-403 440-443 490-493 490-493
Max Filling Weight(Kg) 190 190 250 282 330 330
Weight With LNG(Kg) 455--465 455-465 650-653  722-725 820-823 820-823
Continuation of
Journey(Km)
485-530 485-530 710-780 800-880 940-1000  940-1000
System Assembly
Weight(Kg)
≈720 ≈732 ≈918 ≈987 ≈1082 ≈1082
Notes High capacity LNG gas cylinder can meet the limited weight requirements for heavy truck

Packaging & Shipping

Packing with wooden box and shipping method can be negotiated.

Company Profile

Established in June 2011, located in HangZhou City, ZheJiang Province, ZheJiang AUYAN New Energy Technology Co., Ltd. is an innovative enterprise specialized in manufacturing cryogenic equipment and providing technical service.
The main products are industrial welded insulated cylinders, vehicles intelligent LNG cylinders, small-sized LNG supplying systems, and biological liquid nitrogen tanks. AUYAN is 1 of the leaders in the Chinese new energy industry.
Abides by the core values of "Respect, Unity, Integrity, Innovation" and takes "building the company to be a happiness platform with all staff, to create, share and realize the ideal of life, And contributing to social development and human progress'' for the mission, AUYAN continues breaking through and innovating, insists on sustainable development, determines to become the leader in global new energy revolutionary.

FAQ

If you have questions about AUYAN products, here's where you can find the answers. If you don't find the answer to your question here, please contact us by telephone or email.

Q: Application of insulated welded cylinders (Dewars)?
A: AUYAN supplies dewars to safely contain liquefied gases such as nitrogen, oxygen, argon, and carbon dioxide, which are for industry and commerce use. These gases are stored at extremely low temperatures and in a liquid state.

Q: How many different specifications of insulated welded cylinders (Dewars) does AUYAN have?
A:We produce Insulated Welded Cylinders (Dewars) with 6 different specifications: 175 L (Net Capacity 161 L, 67 kg*), 195 L (Net Capacity 179 L, 75 kg*), 210 L (Net Capacity 193 L, 81 kg*), 410 L (Net Capacity 377 L, 158 kg*), 450 L (Net Capacity 414 L, 173 kg*), 499 L (Net Capacity 459 L, 192 kg*)

*The weights above are counted under the circumstance that the density of the cryogenic liquid is 0.42 kg/L.

Q: What is the ideal working pressure of the LNG Vehicle cylinder?
A: The ideal working pressure is 0.8 Mpa - 1.2 Mpa, while the nominal working pressure is 1.59 Mpa.

Q: What is the warranty of your Products?
A: The warranty for the vacuum of equipment is 3 years from the date of sale.
All components come with a limited 1-year manufacturer warranty on defects in material or workmanship from the date of purchase to the original owner.

Q: What trade terms can you apply in the contract?
A: EXW, FOB, and CIF are the regular terms we use.

Q: What are some methods of payment?
A: T/T, L/C, as well as Paypal are supported.

An Overview of Worm Shafts and Gears

This article provides an overview of worm shafts and gears, including the type of toothing and deflection they experience. Other topics covered include the use of aluminum versus bronze worm shafts, calculating worm shaft deflection and lubrication. A thorough understanding of these issues will help you to design better gearboxes and other worm gear mechanisms. For further information, please visit the related websites. We also hope that you will find this article informative.
worm shaft

Double throat worm gears

The pitch diameter of a worm and the pitch of its worm wheel must be equal. The 2 types of worm gears have the same pitch diameter, but the difference lies in their axial and circular pitches. The pitch diameter is the distance between the worm's teeth along its axis and the pitch diameter of the larger gear. Worms are made with left-handed or right-handed threads. The lead of the worm is the distance a point on the thread travels during 1 revolution of the worm gear. The backlash measurement should be made in a few different places on the gear wheel, as a large amount of backlash implies tooth spacing.
A double-throat worm gear is designed for high-load applications. It provides the tightest connection between worm and gear. It is crucial to mount a worm gear assembly correctly. The keyway design requires several points of contact, which block shaft rotation and help transfer torque to the gear. After determining the location of the keyway, a hole is drilled into the hub, which is then screwed into the gear.
The dual-threaded design of worm gears allows them to withstand heavy loads without slipping or tearing out of the worm. A double-throat worm gear provides the tightest connection between worm and gear, and is therefore ideal for hoisting applications. The self-locking nature of the worm gear is another advantage. If the worm gears are designed well, they are excellent for reducing speeds, as they are self-locking.
When choosing a worm, the number of threads that a worm has is critical. Thread starts determine the reduction ratio of a pair, so the higher the threads, the greater the ratio. The same is true for the worm helix angles, which can be one, two, or 3 threads long. This varies between a single thread and a double-throat worm gear, and it is crucial to consider the helix angle when selecting a worm.
Double-throat worm gears differ in their profile from the actual gear. Double-throat worm gears are especially useful in applications where noise is an issue. In addition to their low noise, worm gears can absorb shock loads. A double-throat worm gear is also a popular choice for many different types of applications. These gears are also commonly used for hoisting equipment. Its tooth profile is different from that of the actual gear.
worm shaft

Bronze or aluminum worm shafts

When selecting a worm, a few things should be kept in mind. The material of the shaft should be either bronze or aluminum. The worm itself is the primary component, but there are also addendum gears that are available. The total number of teeth on both the worm and the addendum gear should be greater than 40. The axial pitch of the worm needs to match the circular pitch of the larger gear.
The most common material used for worm gears is bronze because of its desirable mechanical properties. Bronze is a broad term referring to various copper alloys, including copper-nickel and copper-aluminum. Bronze is most commonly created by alloying copper with tin and aluminum. In some cases, this combination creates brass, which is a similar metal to bronze. The latter is less expensive and suitable for light loads.
There are many benefits to bronze worm gears. They are strong and durable, and they offer excellent wear-resistance. In contrast to steel worms, bronze worm gears are quieter than their counterparts. They also require no lubrication and are corrosion-resistant. Bronze worms are popular with small, light-weight machines, as they are easy to maintain. You can read more about worm gears in CZPT's CZPT.
Although bronze or aluminum worm shafts are the most common, both materials are equally suitable for a variety of applications. A bronze shaft is often called bronze but may actually be brass. Historically, worm gears were made of SAE 65 gear bronze. However, newer materials have been introduced. SAE 65 gear bronze (UNS C90700) remains the preferred material. For high-volume applications, the material savings can be considerable.
Both types of worms are essentially the same in size and shape, but the lead on the left and right tooth surfaces can vary. This allows for precise adjustment of the backlash on a worm without changing the center distance between the worm gear. The different sizes of worms also make them easier to manufacture and maintain. But if you want an especially small worm for an industrial application, you should consider bronze or aluminum.

Calculation of worm shaft deflection

The centre-line distance of a worm gear and the number of worm teeth play a crucial role in the deflection of the rotor. These parameters should be entered into the tool in the same units as the main calculation. The selected variant is then transferred to the main calculation. The deflection of the worm gear can be calculated from the angle at which the worm teeth shrink. The following calculation is helpful for designing a worm gear.
Worm gears are widely used in industrial applications due to their high transmittable torques and large gear ratios. Their hard/soft material combination makes them ideally suited for a wide range of applications. The worm shaft is typically made of case-hardened steel, and the worm wheel is fabricated from a copper-tin-bronze alloy. In most cases, the wheel is the area of contact with the gear. Worm gears also have a low deflection, as high shaft deflection can affect the transmission accuracy and increase wear.
Another method for determining worm shaft deflection is to use the tooth-dependent bending stiffness of a worm gear's toothing. By calculating the stiffness of the individual sections of a worm shaft, the stiffness of the entire worm can be determined. The approximate tooth area is shown in figure 5.
Another way to calculate worm shaft deflection is by using the FEM method. The simulation tool uses an analytical model of the worm gear shaft to determine the deflection of the worm. It is based on a two-dimensional model, which is more suitable for simulation. Then, you need to input the worm gear's pitch angle and the toothing to calculate the maximum deflection.
worm shaft

Lubrication of worm shafts

In order to protect the gears, worm drives require lubricants that offer excellent anti-wear protection, high oxidation resistance, and low friction. While mineral oil lubricants are widely used, synthetic base oils have better performance characteristics and lower operating temperatures. The Arrhenius Rate Rule states that chemical reactions double every 10 degrees C. Synthetic lubricants are the best choice for these applications.
Synthetics and compounded mineral oils are the most popular lubricants for worm gears. These oils are formulated with mineral basestock and 4 to 6 percent synthetic fatty acid. Surface-active additives give compounded gear oils outstanding lubricity and prevent sliding wear. These oils are suited for high-speed applications, including worm gears. However, synthetic oil has the disadvantage of being incompatible with polycarbonate and some paints.
Synthetic lubricants are expensive, but they can increase worm gear efficiency and operating life. Synthetic lubricants typically fall into 2 categories: PAO synthetic oils and EP synthetic oils. The latter has a higher viscosity index and can be used at a range of temperatures. Synthetic lubricants often contain anti-wear additives and EP (anti-wear).
Worm gears are frequently mounted over or under the gearbox. The proper lubrication is essential to ensure the correct mounting and operation. Oftentimes, inadequate lubrication can cause the unit to fail sooner than expected. Because of this, a technician may not make a connection between the lack of lube and the failure of the unit. It is important to follow the manufacturer's recommendations and use high-quality lubricant for your gearbox.
Worm drives reduce backlash by minimizing the play between gear teeth. Backlash can cause damage if unbalanced forces are introduced. Worm drives are lightweight and durable because they have minimal moving parts. In addition, worm drives are low-noise and vibration. In addition, their sliding motion scrapes away excess lubricant. The constant sliding action generates a high amount of heat, which is why superior lubrication is critical.
Oils with a high film strength and excellent adhesion are ideal for lubrication of worm gears. Some of these oils contain sulfur, which can etch a bronze gear. In order to avoid this, it is imperative to use a lubricant that has high film strength and prevents asperities from welding. The ideal lubricant for worm gears is 1 that provides excellent film strength and does not contain sulfur.

China Custom LNG Vessel Hydrogen Pressure CZPT Tank Vehicle Hydraulic Cylinder     with Hot sellingChina Custom LNG Vessel Hydrogen Pressure CZPT Tank Vehicle Hydraulic Cylinder     with Hot selling