Product Description

Product Description

Dimension 1152*1152*630mm (Unfoldable) Hovering time >20min (No load)
666.4*666.4*630mm (Foldable) >10min (Full load)
Spray width (depends on the crop) 3.0~5.5m Operation height 1.5m~3.5m
Maximum flow 3.6L/min Max. flight speed 10m/s (GPS mode)
Medicine box capacity 10L Hovering accuracy Horizontal/Vertical±10cm (RTK)
Operational efficiency 5.4ha/h (GNSS signal good) Vertical±0.1m (Radar)
Weight 12.25kg Accurate altitude hold of radar 0.02m
Power battery 12S 14000mAh Altitude hold range 1~10m
Nozzle high pressure fan nozzle*4 Obstacle avoidance detect range 2~12m

The HTU T10 is made of high quality aviation aluminum and carbon fiber, so if it encounters a tree accidentally, only the paddle will be damaged and the main body of the aircraft will not be affected. With modular design, the easy replacement of wear and tear parts is simple and can be repaired by users themselves in as little as 5 minutes, without delaying operations.
HTU T10 has a stable operating performance, whether it is the smoothness of flight, fogging effect or the convenience of AB point or full autonomy have been recognized by customers.
1. Terrain following radar is equipped to adjust the altitude of the drone to ensure flight safety and even spraying. 
2. Predict the breakpoint according to the route plan so that users can wisely arrange the timing for refill to improve battery efficiency . 
3. FPV (First-person view) enables user to see the environment in front of the drone in real time on the mobile phone. 
4. The app “Plant Protection Assistant” installed on the RC provides access to operation data. Useful functions include route plHangZhou, voice broadcast, field management, operation area statistics, etc. 

Modular Design
Foldable design for easy storage and transportation.
Though and durable. Metal frame and carbon fiber boom. Durable folding mechanism.
IP67 waterproof body. Shell can be washed with running water after operation.
·Frame: Aviation aluminum
High strength, light weight and corrosion resistance.
·Machine arm: Carbon fibre
High specific strength and high specific stiffness, lighter, increased effective load, extended flight distance and flight time.
Easy to replace wearing parts.
·Filter screen – Triple support
Inlet port, Medicine box bottom, Nozzle.

Spraying Systems and Operational Efficiency
Precise and even spraying with high efficiency and good penetration
·Double pumps are equipped. The max flow rate for 4 nozzles is 2.7L/min.Upgrade to 8 nozzles for a max flow rate of 3.6L/min and upgrade to 8 nozzles and 2 flow meters for a max flow rate of 4.5L/min.
·High-pressure fan-shaped nozzles, providing fine atomization with a mean droplet diameter of 170 – 265μm.
·Precise metering system to avoid insufficient spraying/overdose. Real-time display of remaining volume on the RC display.
·Quadcopters have larger propellers creating stable downward wind, leading to better penetration of chemicals compared with hexacopters and Octocopters.
High efficiency with best value
·43 ha/day (8 hours),60-100 times higher efficiency than manual spraying.

Multiple Guarantees
Precise Positioning : Safe Flight
·It uses RTK Technology for positioning, supporting Beidou / GPS / GLONASS at the same time, and is equipped with dual anti-inference antenna to ensure centimeter-level accuracy.
·The front and rear obstacle avoidance radars offers ±10cm accuracy, effectively avoiding obstacles such as utility poles and trees.
·A magnetic compass is equipped to ensure the drone flies straight in the right direction even when RTK is unavailable.
·Independent landing lights are provided for safe operation at night.

Product Operation
Easy to Operate, Quick to Start
·5.5 inch high brightness display for the RC ensurers clear outdoor image . Battery lasts for 6-8 hours.
·Multiple operation modes: A-B point, manual and autonomous. Simple setup to quickly start operation.
· Comprehensive training is offered to help users independently operate in 3 days and become skillful in 7 days.

Company Profile


1.What is the best price for your product?
We will quote based on the quantity of your order, the higher the quantity the higher the discount.

2.What is the minimum order quantity?
Our minimum order quantity is 1 unit, but of course there is no limit to the number of units we can purchase.

3.How long is the delivery time of the products?
According to the production order dispatch situation, generally 7-20 days.

4.What is your payment method?
Wire transfer, 50% deposit before production, 50% balance before delivery.

5.What is your warranty time? What is the warranty?
General UAV frame and software warranty of 1 year, the warranty of wearing parts for 3 months.

Applications of Spline Couplings

A spline coupling is a highly effective means of connecting 2 or more components. These types of couplings are very efficient, as they combine linear motion with rotation, and their efficiency makes them a desirable choice in numerous applications. Read on to learn more about the main characteristics and applications of spline couplings. You will also be able to determine the predicted operation and wear. You can easily design your own couplings by following the steps outlined below.

Optimal design

The spline coupling plays an important role in transmitting torque. It consists of a hub and a shaft with splines that are in surface contact without relative motion. Because they are connected, their angular velocity is the same. The splines can be designed with any profile that minimizes friction. Because they are in contact with each other, the load is not evenly distributed, concentrating on a small area, which can deform the hub surface.
Optimal spline coupling design takes into account several factors, including weight, material characteristics, and performance requirements. In the aeronautics industry, weight is an important design factor. S.A.E. and ANSI tables do not account for weight when calculating the performance requirements of spline couplings. Another critical factor is space. Spline couplings may need to fit in tight spaces, or they may be subject to other configuration constraints.
Optimal design of spline couplers may be characterized by an odd number of teeth. However, this is not always the case. If the external spline’s outer diameter exceeds a certain threshold, the optimal spline coupling model may not be an optimal choice for this application. To optimize a spline coupling for a specific application, the user may need to consider the sizing method that is most appropriate for their application.
Once a design is generated, the next step is to test the resulting spline coupling. The system must check for any design constraints and validate that it can be produced using modern manufacturing techniques. The resulting spline coupling model is then exported to an optimisation tool for further analysis. The method enables a designer to easily manipulate the design of a spline coupling and reduce its weight.
The spline coupling model 20 includes the major structural features of a spline coupling. A product model software program 10 stores default values for each of the spline coupling’s specifications. The resulting spline model is then calculated in accordance with the algorithm used in the present invention. The software allows the designer to enter the spline coupling’s radii, thickness, and orientation.


An important aspect of aero-engine splines is the load distribution among the teeth. The researchers have performed experimental tests and have analyzed the effect of lubrication conditions on the coupling behavior. Then, they devised a theoretical model using a Ruiz parameter to simulate the actual working conditions of spline couplings. This model explains the wear damage caused by the spline couplings by considering the influence of friction, misalignment, and other conditions that are relevant to the splines’ performance.
In order to design a spline coupling, the user first inputs the design criteria for sizing load carrying sections, including the external spline 40 of the spline coupling model 30. Then, the user specifies torque margin performance requirement specifications, such as the yield limit, plastic buckling, and creep buckling. The software program then automatically calculates the size and configuration of the load carrying sections and the shaft. These specifications are then entered into the model software program 10 as specification values.
Various spline coupling configuration specifications are input on the GUI screen 80. The software program 10 then generates a spline coupling model by storing default values for the various specifications. The user then can manipulate the spline coupling model by modifying its various specifications. The final result will be a computer-aided design that enables designers to optimize spline couplings based on their performance and design specifications.
The spline coupling model software program continually evaluates the validity of spline coupling models for a particular application. For example, if a user enters a data value signal corresponding to a parameter signal, the software compares the value of the signal entered to the corresponding value in the knowledge base. If the values are outside the specifications, a warning message is displayed. Once this comparison is completed, the spline coupling model software program outputs a report with the results.
Various spline coupling design factors include weight, material properties, and performance requirements. Weight is 1 of the most important design factors, particularly in the aeronautics field. ANSI and S.A.E. tables do not consider these factors when calculating the load characteristics of spline couplings. Other design requirements may also restrict the configuration of a spline coupling.


Spline couplings are a type of mechanical joint that connects 2 rotating shafts. Its 2 parts engage teeth that transfer load. Although splines are commonly over-dimensioned, they are still prone to fatigue and static behavior. These properties also make them prone to wear and tear. Therefore, proper design and selection are vital to minimize wear and tear on splines. There are many applications of spline couplings.
A key design is based on the size of the shaft being joined. This allows for the proper spacing of the keys. A novel method of hobbing allows for the formation of tapered bases without interference, and the root of the keys is concentric with the axis. These features enable for high production rates. Various applications of spline couplings can be found in various industries. To learn more, read on.
FE based methodology can predict the wear rate of spline couplings by including the evolution of the coefficient of friction. This method can predict fretting wear from simple round-on-flat geometry, and has been calibrated with experimental data. The predicted wear rate is reasonable compared to the experimental data. Friction evolution in spline couplings depends on the spline geometry. It is also crucial to consider the lubrication condition of the splines.
Using a spline coupling reduces backlash and ensures proper alignment of mated components. The shaft’s splined tooth form transfers rotation from the splined shaft to the internal splined member, which may be a gear or other rotary device. A spline coupling’s root strength and torque requirements determine the type of spline coupling that should be used.
The spline root is usually flat and has a crown on 1 side. The crowned spline has a symmetrical crown at the centerline of the face-width of the spline. As the spline length decreases toward the ends, the teeth are becoming thinner. The tooth diameter is measured in pitch. This means that the male spline has a flat root and a crowned spline.


Spindle couplings are used in rotating machinery to connect 2 shafts. They are composed of 2 parts with teeth that engage each other and transfer load. Spline couplings are commonly over-dimensioned and are prone to static and fatigue behavior. Wear phenomena are also a common problem with splines. To address these issues, it is essential to understand the behavior and predictability of these couplings.
Dynamic behavior of spline-rotor couplings is often unclear, particularly if the system is not integrated with the rotor. For example, when a misalignment is not present, the main response frequency is 1 X-rotating speed. As the misalignment increases, the system starts to vibrate in complex ways. Furthermore, as the shaft orbits depart from the origin, the magnitudes of all the frequencies increase. Thus, research results are useful in determining proper design and troubleshooting of rotor systems.
The model of misaligned spline couplings can be obtained by analyzing the stress-compression relationships between 2 spline pairs. The meshing force model of splines is a function of the system mass, transmitting torque, and dynamic vibration displacement. This model holds when the dynamic vibration displacement is small. Besides, the CZPT stepping integration method is stable and has high efficiency.
The slip distributions are a function of the state of lubrication, coefficient of friction, and loading cycles. The predicted wear depths are well within the range of measured values. These predictions are based on the slip distributions. The methodology predicts increased wear under lightly lubricated conditions, but not under added lubrication. The lubrication condition and coefficient of friction are the key factors determining the wear behavior of splines.

China wholesaler New 10L Agri Sprayer Agricultural Garden Spray Pesticide Drone with Carbon Fiber     with Good qualityChina wholesaler New 10L Agri Sprayer Agricultural Garden Spray Pesticide Drone with Carbon Fiber     with Good quality