Aompany Profile

 

 

China Welong was founded in 2001, which is a professional international integrated supply chain service provider. We are concentrating on the industrial customized metal products, aiming at empowering the world with the finest supply chain of China. Since the establishment, we are offering Supplier Development & Management, Purchasing Supervising, Quality Control services in China for many leading enterprises in the fields of International Industrial Manufacture, Oil Drilling, Aerospace & High-end Medical Treatment.

Why Choose Us?

Sales Market

Our products are shipped to the UK, Germany, France, Italy, Poland, the USA, Canada, the Netherlands, Sweden, Austria, New Zealand, Singapore, and India, serving more than 100 customers in the automotive industry.

Our Certificates

China Welong was founded in 2001 and is certified by ISO 9001:2015 and the API-7-1 quality system. We are dedicated to the development and supply of customized metal parts used in various industries.

Our Products

Welong's main capabilities include forging, sand casting, investment casting, centrifugal casting, and machining. The materials we work with include iron cast, steel, stainless steel, aluminum, copper, zinc, and various alloys.

 

 

Our Service

We have experienced staff and engineers who assist in improving and modernizing production processes to save costs. We can also help you control quality during production, inspect products, and monitor delivery times. We offer reasonable pricing, ensure product specifications and standards are met, and provide effective packaging.

  • Cradle
    Item: Cradle. Material: AlSi10Mg. Technology: sand casting+machining+assemblying. Weight:72kg. Industry: CT equipment.
  • Body For Telemetry Antenna
    Item: Body for Telemetry Antenna. Material: AL7075-T7351. Technology: Machining+Anodizing. Weight:0.85kg. Industry: Drone.
  • Scissor Leg
    Item: Scissor Leg. Material: GGG-40. Technology: sand casting+machining. Weight:32kg. Industry: Patient table.
productcate-1-1

 

What is Cradle?

Cradle are stuctures that assit in attaching two different components while supporting one over the other. Aircraft cradle help in a wide range ofapplications,such as fuselage airframe assembly landing gears, engine mounts, wings assembly, ftuel tanks, and electrical wire intallations.Rising the share ofwide-body aircraftin the total commerial anrcraftdeliveries, increasing global commercil and regional aircraftdeliveries, and growing commercil ircrftfletsize are some of the factors that are supporting to boost the growth of the aircraft cradle market during the forecast period.

 

What Material Are Aircraft Cradles Made Of?

Magnesium alloys are widely used in industrial fields with excellent comprehensive properties. At the same time, as the lightest structural metal, magnesium alloys are expected to replace aluminum alloys and steels to achieve significant weight reduction in aircraft and automobiles. However, the current mainstream magnesium alloy processing methods usually possess the limitations of complex process flow, low material utilization and high manufacturing cost, which limit the wide application of magnesium alloys. With the advantages of high deposition rate and high process flexibility, wire-arc directed energy deposition (DED) process is promissing for the fabrication of large and complex magnesium alloy components to improve manufacturing efficiency and increase material utilization. Due to the uniqueness of wire-arc DED, magnesium alloys deposited by this process have different microstructure and properties from other techniques.
On this basis, the limitations of the current research are concluded and comments are provided for subsequent research. Current research has shown that wire-arc DED has the capability to deposit full equiaxed grains magnesium alloys. The future research should be focus on the development of new magnesium alloy wires, the regulation of macro morphology, microstructure and properties, the combination of auxiliary processes and the suppression of defects, in order to further improve the properties of magnesium alloy components and broaden the way for their application.

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Aircraft Cradles Market Size

The aircraft cradle is used as a key loadbearing component and functions as a part of the wing flap hinge. It was redesigned to dynamically respond to maximum forces and movements from different directions with a consistent strength. Its redesign maintains original features and continues to meet the stringent regulatory regulations of the aerospace industry.

 

Rise of inovatve technologies including 3d printing and acceptance of lightweight materials for dropping the aircraft weight and increasing the flightproductvty and efficiency are some of the significant factors driving the growth of the aircraft cradles market. Further, usage of composites and aluminumcradles offers reliable, durable, and lower weight benefit thereby donating positvely towards the aircraft cradles market growth over the projectedtimeframe.

Cradle

 

Applications of Aviation Cradle

By tapping into our advanced metal additive technology and aerospace expertise, you can make shapes and structures that are impossible with traditional manufacturing. For aviation cradle, this means achieving improved functionality, decreased weight, and lower costs, all while maintaining or improving material strength.

Aviation cradle designs can fit your exact functional requirements for the part, and you can optimize structures - with strong, hollow lattice structures, for example - to reduce weight by 10% to 50%.

Applications:


● Structural components that require high strength-to-weight ratios in the aerospace, motorsports, semiconductor machinery, and transportation industries.
● Fluid flow applications with corrosion resistance and strict purity requirements.
● Load-bearing, safety critical parts.

 

What is Scissor Leg?

In the absence of one, workers in varying occupations strain to work at varying heights for extended periods of time, the constant reaching and bending down is avoided if the work surface is easily adjustable.
Sometimes known as aerial work platforms (awp), Scissor Legs, generally, are adjustable platforms sitting on crisscrossed supporting bars designed for lifting loads in a smooth motion. Scissor Legs use various methods in order to function, mechanical, pneumatic or hydraulic power. With the hydraulic-powered table lifts, the platform is raised smoothly with an adequate amount of force while supporting beams that connect the two sets of scissors prevent the risk of sideways collapse. They come in a variety of sizes and capacities suitable for different uses involving repetitive bending and straining.

Scissor Leg

Advantages of Using Scissor Leg

 

 

Benefits of using scissor leg
The practicality of the scissor leg is only matched by its simplicity and ease of use. This incredibly versatile tool can serve many purposes so it may be worth your while to see how you can benefit from it.


Better employee safety
In any work environment that involves physical work, the safety of your employees is the top priority. Constant bending and twisting for an extended amount of time causes lasting, painful strain that leads to someone taking time off work and maybe even claims.
The scissor leg any risks associated with lifting heavy materials up at a height so you never have to worry about repetitive strain injuries or pressure on your back caused by heavy lifting.
The weight of the load is distributed evenly thanks to the construction of the scissor legs under the platform so it is guaranteed to be sturdy with proper maintenance and care. This paired with the power of hydraulics means you can trust that this table can easily withstand anything up to its maximum capacity.

 

Less effort more work
The mobility of the scissor legs makes loading and unloading especially simple. The need for constant walking back and forth with loads is eliminated so fatigue of workers is significantly reduced while work is carried out quickly and with efficiency.

 

Simplicity and flexibility of use
Unlike standard adjustable tables, hydraulic-powered mobile scissor legs can withstand heavier weights with ease and stability. To add to its versatility, turntables can be a handy accessory that gives you more options by allowing the angle of the object being worked on.

 

Compact and mobile
One overlooked benefit of a scissor leg is how little space it takes up when not in use. It can be easily wheeled and quickly folded making it quick and perfect for workshops with a limited amount of space.
Sometimes the locations for a certain type of work would vary, having a mobile version of these tables is generally favoured over the stationary kind.

 

Cost-efficient
Taking into account the time and money wasted on inefficiency and preventable workplace injuries due to repetitive strain, the scissor leg is a sound investment both in terms of money and the health of your employees.

Scissor Leg

 

What Are Scissor Legs Used For?

A Scissor Leg can be used in any situation that might require workers to work at various heights. Although Scissor Legs started in industrial environments like factories or job sites, their efficiency means that they are now widely used in all sorts of industries such as equipment service, transportation, manufacturing, printing, crafting, wood and metalworking.


Typical uses include:
● Workshops, to accommodate various seating and standing positions
● Vehicle loading and docking operations
● Multilevel handling and assembling
● Work positioning and materials handling
● Working under or over equipment and vehicles
● Dog grooming
● Load positioning (such as when integrated into conveyor systems)
● Furniture upholstery
● Handling long and/or heavy workpieces
● Loading and unloading pallets

 

Construction of Scissor Leg

Scissor legs have a straightforward design that, after a bit of training, anyone could operate! They have a simple structure that makes them so easy to use:


The platform is the surface on which you put the object being lifted. It is available in different sizes and different materials such as stainless steel, for hygiene purposes. To prevent injuries, some platforms are available with anti-crush protections.


The base of the structure consists of a track that rests on the floor that allows the scissor legs to move in.


The scissor legs are the adjustable crisscrossed supports that change the height of the platform.
The hydraulic cylinder powers the lifting motion of the table and is controlled with the foot pedal.

Scissor Leg
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What Is Body for Telemetry Antenna?

Body for telemetry antennais data gathered about the aircraft and its surroundings that is sent back to the operator or ground control station (gcs). This information may be taken from the drone's autopilot, sensors such as accelerometers, gyroscopes and gps, or from subsystems such as the aircraft's power source. Body for telemetry antennadata is transmitted via radio, often on a separate link to the drone control signals to provide increased safety. This requires the drone to have an onboard radio transmitter as well as a receiver, and appropriate antennas. Common drone radio telemetry frequencies include 433 mhz, 915 mhz and the newer 2.4 ghz. Body for telemetry antenna data can also be transmitted via wi-fi and lte networks such as 4g and 5g, which typically have a shorter range than other radio technologies but provides higher data rates.

Types of Body for Telemetry Antenna
 

Body for telemetry antenna are a type of antenna used to automatically record and transmit data from remote sources to an it system in a different location for monitoring and analysis.

There are several types of body for telemetry antenna including yagi, helical, whip and miniature bead, among others. Yagi antennas, for example, can be mounted to a variety of places such as buildings, vehicles, dams, shorelines or aircraft for monitoring purposes.

Whip antennas are simple flexible monopoles (consisting of a single rod or pole) which can be attached to vehicles. In fact, you will find most vehicles with whip antennas for receiving frequency modulation (fm) and amplitude modulation (am) signals. For radio tracking purposes, whip antennas are generally cut for the very high frequency (vhf) range.

 

Verification of the Detection Body For Telemetry Antenna

 

Antenna orientation
Orient the body for telemetry antenna vertically up. Do not point towards the drone with the antenna.
The ground station antenna should be positioned vertically up. In case your ground station has two antennas, make sure the second one is oriented horizontally.

 

Maximize free visual line of sight
Make sure there is a direct line between the ground data terminal (GDT) and the drone.
Do not fly with trees, forests, hills, mountains or buildings between you and the drone.
Wireless links with frequencies that are legal to use cannot penetrate vegetation, obstacles or mountains. Reflections might occur that can lead to functionality without a direct (straight) line between the GDT and the drone, but you should always try to optimize your direct line of sight for the best performance.
Consequently, you should try to keep some free space around you and also try to keep some margin between the direct visual line of sight ( blue ) and the vegetation/topology. All of this demonstrates that putting the tablet down to the ground can negatively affect the connection.

 

Optimize space around body for telemetry antenna ground station
Make sure to place the tablet on a non-metal table or hold it in your hands.
Do not put the tablet with the GDT on your car, into your car or on the ground. Do not lay the tablet on metal tables or other conductive surfaces. Finally, ensure that your body is not oriented to block the link between GDT and drone.

 

Interference with other emitters
Only use frequency bands that are legally allowed in your country. Those frequencies must not interfere with other emitting services, e.g. GSM.
Do not use the telemetry close to transmission towers, high voltage cables or other radio devices.
Do not select a home point close to radio antennas ( even if their frequency might be different ). Wifi, hotspots, and Bluetooth should not affect the performance of body for telemetry antenna. However, it is always best to reduce the number of wireless links close by.

How to Choose Body for Telemetry Antenna?
 

System demands
Unsurprisingly, the first consideration is what the body for telemetry antenna needs to achieve or enable.
Telemetry in industrial applications can mean many things ranging from environmental data collection to remote asset control, fleet tracking, and paging systems.
Every other consideration cascades from the use case.

 

Coverage requirements
Large-area telemetry is not necessarily more complex than single-site applications.
However, there are implications for the RF modems, antennas, repeaters, and paging transmitters required to create a reliable network:
● UHF or VHF data transmission
● Licenced or licence-free data bandwidths
● SCADA requirements
● Ethernet serial modules for large areas
● Powerful RF modems for challenging topography (e.g. underground mining)
System demands and the coverage map are the two basic steps for building or expanding a body for telemetry antenna network.

 

Capabilities
Modern body for telemetry antennas do much more than collect data – or at least they should.
Once you start looking into wireless communication equipment, you might be surprised to learn what else telemetry can enable:
● Fleet tracking
● Communication with underground mining operations
● Environmental monitoring in remote or inhospitable terrain
● Point-to-multipoint communication for complex operations
● Automation
● Alarms and alerts
The body for telemetry antenna radios even features I/O-enabled units to power remote asset control. In modern data-driven industries, remote asset control improves efficiency, safety, and stability.

 

Scalability
We typically recommend avoiding limited remote body for telemetry antennas, even if they come with a lower price tag.
Multiprotocol support means you are not locked into a single communication protocol. Instead, you can use almost any PLC, RTU, HMI or DCS vendor to monitor and control assets.
In practice, this makes the body for telemetry antenna scalable in all directions. If you need to expand the network, add a new wireless communication module, adapt to monitor new data, or scale back, multiprotocol support provides that flexibility.

 

Power consumption
Industrial telemetry does not, by default, place a heavy burden on power supplies. It depends on the in-situ specifics of the system.
For example, body for telemetry antenna designs and manufactures high-power RF equipment for mining and resources applications, and low-powered modules for agriculture and environmental monitoring.
Power and data transfer speeds generally go hand-in-hand. Communication distance and topography also contribute to power requirements.

 

Price
Body for telemetry antenna collection technologies vary widely in price depending on the scope and scale of the system.
It's always tempting to choose the cheapest option. But rather than focusing on price in isolation, consider the value of reliable real-time data transfer. You might find some off-the-shelf solutions have capabilities you don't need. In contrast, a custom body for telemetry antenna network meets your requirements and provides flexibility to scale up or down.

 

 
Our Factory 
 

 

We are concentrating on the industrial customized metal products, aiming at empowering the world with the finest supply chain of China. Since the establishment, we are offering Supplier Development & Management, Purchasing Supervising, Quality Control services in China for many leading enterprises in the fields of International Industrial Manufacture, Oil Drilling, Aerospace & High-end Medical Treatment.
In the past 20 years, our products shipped to UK, Germany,France, Italy, Poland, USA,Canada Holland, Sweden, Austrial,New zealand, Singapore,India more than 100 customers in Auto industrial.
We are always working diligently to be the leader of international supply chain, boosting the China intelligent- manufacturing leading the world. 

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Certifications
 

 

productcate-700-500

 

 
Ultimate FAQ Guide to Aviation And Medical
 
 

Q: What are advantages of aircraft cradles?

A: Aircraft cradles are structures that assist in attaching two different components while supporting one over the other. Aircraft cradles help in a wide range of applications, such as fuselage airframe assembly, landing gears, engine mounts, wings assembly, fuel tanks, and electrical wire installations.

Q: What material are aircraft cradles made of?

A: Magnesium alloys are widely used in industrial fields with excellent comprehensive properties. At the same time, as the lightest structural metal, magnesium alloys are expected to replace aluminum alloys and steels to achieve significant weight reduction in aircraft and automobiles.

Q: What are cradles used for in aircraft?

A: Aircraft cradles are structures that assist in attaching two different components while supporting one over the other. Aircraft cradles help in a wide range of applications, such as fuselage airframe assembly, landing gears, engine mounts, wings assembly, fuel tanks, and electrical wire installations.

Q: What size are aerospace cradles?

A: This work employs the two most prominent to methods for the case of a cradle used in aerospace applications, with principal dimensions equaling to 107.8 × 50 × 67.3 mm and a plate thickness of 10 mm. This application provides practical insight into the actual mechanical performance achieved by the optimized components using each method.

Q: Why are airplane cradles round?

A: This feat was largely accomplished by the rounded southern elevation, which curves upwards to become the roof, concluding with a 12.5-metre cantilever on the northern elevation. The curved section acts like an aerofoil to deflect the prevailing southerly winds – which can reach 100km/h – up and over the building. The steel roof is also slightly curved downwards from the centre to its eastern and western edges, to provide additional wind deflection.

Q: Which of the following is an advantage of scissor leg consideration?

A: A scissor leg decreases the requirement for bending and twisting to adapt to table height. Scissor lifts, also known as lift tables, are the best solution for vertical lifting and material and personnel. They increase work productivity at the same time lowering the risk of injury on the job.

Q: What are the advantages of a scissor leg?

A: Scissor legs have a relatively large work platform that provides enough space to safely lift and lower workers and their tools and equipment. In addition, the work platform is freestanding and provides horizontal space for working surrounded by guardrails to ensure fall safety.

Q: Which is the most common type of scissor leg?

A: Falls. This is the most common cause of aerial lift and scissor lift fatalities. Serious injuries also result from falls. Falls happen due to operator negligence, carelessness, and not using proper safety restraints. Osha recommends the use of safety harnesses, and of course your operators should always stay within the safety guardrails when working on awps.

Q: What are the advantages of digital photogrammetry?

A: Using Photogrammetry enables high levels of precision and accuracy in measurements in a way that can scale significantly. We use TRITOP that can be used to measure objects of up to 20m and has a camera resolution of up to 24 million pixels (the higher quality the pictures, the higher quality the measurements can be).

Q: What are the advantages of UAV photogrammetry?

A: One of the main advantages of using drones for aerial photogrammetry is the high accuracy and resolution that they can achieve. Compared to traditional methods, such as satellite imagery or manned aircraft, drones can fly closer to the ground and capture more details and textures.

Q: What are the 6 benefits of drone technology?

A: Increased Efficiency.
Improve Safety.
Access to Remote Areas.
Cost-Effectiveness.
Enhanced Data Collection.
Improved Response to Accidents.

Q: What is body for telemetry antenna on drones?

A: Body for telemetry antenna is data gathered about the aircraft and its surroundings that is sent back to the operator or ground control station (gcs). This information may be taken from the drone's autopilot, sensors such as accelerometers, gyroscopes and gps, or from subsystems such as the aircraft's power source. Drone telemetry data is transmitted via radio, often on a separate link to the drone control signals to provide increased safety. This requires the drone to have an onboard radio transmitter as well as a receiver, and appropriate antennas.

Q: What is body for telemetry antenna flight controller?

A: Body for telemetry antenna allows you to know what is happening on your aircraft while you are flying it. Among other things you can receive battery voltages and gps positions on your transmitter. Telemetry can be either always on, or enabled when armed. If a serial port for telemetry is shared with other functionality then telemetry will only be enabled when armed on that port.

Q: What are the different types of radio body for telemetry antenna?

A: The different types of radio telemetry techniques include very high frequency (vhf) transmitters, global positioning system (gps) tracking, and satellite tracking. Recent advances in technology have improved radio telemetry techniques by increasing the efficacy of data collection. However, studies involving radio telemetry should be reviewed in order to determine if newer techniques, such as collars that transmit the location to the operator via satellites, are actually required to accomplish the goals of the study.

Q: What are the different types of body for telemetry antenna?

A: There are several types of body for telemetry antenna including Yagi, Helical, Whip and miniature bead, among others. Yagi antennas, for example, can be mounted to a variety of places such as buildings, vehicles, dams, shorelines or aircraft for monitoring purposes. Whip antennas are simple flexible monopoles (consisting of a single rod or pole) which can be attached to vehicles. In fact, you will find most vehicles with whip antennas for receiving Frequency modulation (FM) and Amplitude Modulation (AM) signals. For radio tracking purposes, whip antennas are generally cut for the Very High Frequency (VHF) range.

Q: What is the frequency of telemetry antenna?

A: Nearson body for telemetry antenna operate on frequencies from 100 MHz to 2.6 GHz.

Q: What is the optimal antenna length for frequency?

A: The graph below shows lengths to avoid for different collections of bands. The fewer bands, the fewer high impedance regions to avoid. You also want the antenna to be at least 1/4 wavelength long for each band you plan to use. For instance, to work 40m be sure the antenna is at least 10m or 33' long. Use only the white gaps for your antenna lengths, and if you're using different ham bands than in these examples, modify and rerun the program as I did, above, for my K1. If you want all the bands from 80m up, W3EDP's 84' antenna, 17' counterpoise is probably the way to go.

Q: How do I choose telemetry?

A: 6 things to consider when choosing a telemetry data solution:
System demands.
Coverage requirements.
Capabilities.
Scalability.
Power consumption.
Price.

Q: What frequency bands are used in telemetry?

A: The bands used for telemetry are described unofficially as the L band from 1435 to 1535 MHz, the S band from 2200 to 2300 MHz, and the upper S band from 2310 to 2390 MHz. While these band designations are common in telemetry parlance, they may have no specific meaning to anyone else. Telemetry assignments are made for testing2 of manned and unmanned aircraft, missiles, space vehicles, rocket sleds, and systems carried on such sleds for testing or their major components.

Q: What are the 3 basic types of antennas?

A: The three main types of antenna are directional, semi-directional, and omni-directional. You can read about LIGO India – Gravitational Wave Detector in India in the given link. Further readings: Topic-Wise GS 3 Questions for UPSC Mains.

As one of the leading aviation and medical manufacturers and suppliers in China, we warmly welcome you to buy customized aviation and medical from our factory. All bespoke products are with high quality and competitive price. Contact us for OEM service.

Machining and Anodizing, Aviation and Medical
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