Product Description

Digital CZPT Outdoor 75inch 4K 3840*2160 Dual-Sided IP65 Rated

Outdoor advertising screen 75inch IP rated waterproof double-side display

Key Features:
Available size: 32inch, 43inch, 46inch, 49inch, 55inch, 65inch, 75inch, 86inch, 98inch

• Resolution UHD 4K 3840*2160
• 3000nits sunlight readable
• With Android operating system, 2G RAM with 8G SSD
• With FREE content management system, could be remote managed
• Could be displayed as local language such as French, German, Russian, Hebrew, Spanish
• IP rated waterproof, full outdoor application
• With 6mm AR tempered protective glass, anti-reflective and vanHangZhousm
• With Akzo powder coating, anti-rust, anti-graffiti, lifetime more than 10 years
• With Stainless steel or Aluminum material enclosure, anti-rust

Digital CZPT Outdoor 4K 3840*2160 Dual-Sided IP65 Rated Elegance Design

Digital outdoor CZPT 75inch 4K dual-sided, 3840*2160 resolution for smart city street wayfinding kiosk solution, first 15 days delivery manufacturer

Our outdoor digital signs combines all the benefits of our Android/Windows displays with the added benefit of being housed in a rugged and corrosion protected IP65 rated enclosure ensuring your advertising content can be broadcasted regardless of the weather.

Our outdoor advertising players built-in android or windows or linux operating system, with powerful CPU and graphics processor, this enable you to handle more demanding graphics in turn delivering more attractive and immersive message

Brightness is a paramount factor when using outdoor TFT screens, these displays use industrial grade Ultra High Brightness panels (2500 cd/m2); more than 8 times brighter than a standard home TV to allow easy visibility in direct sunlight.

The glass frontage is also anti-glare or anti-reflective to help defuse direct sunlight shining on the display, laminated glass optional.

Want your display installed in a location without WiFi or LAN connectivity? No problem! The Outdoor digital signage provides the option to upgrade the screen to 3G or 4G connectivity for a small surcharge.

Benefits from new era advertising display

Our elegant state-of-the-art 55inch Outdoor advertising display saves you the time to advertise outside year-round at your fingertips. Save money and raise revenue with your own, independent digital signs. Update ads at your convenience without any pressure of close deadlines. Experiment with new advertising message with free content management system software. Don`t forget that, never spend another penny on someone else’s sign!

Our Outdoor Digital display CZPT is perfectly For

• Drive-Thrus and quick service Restaurants, Shopping Malls, supermarkets
• College and University Campuses
• transport hubs, metro, train and bus Stations and Airports
• Public Areas, retails Parks and Tourist Attractions, outdoor pavilions, bus stop shelters, building walls, high streets
• Digital Out Of Home DOOH
• SmartCity, street furniture, wayfinding

FREE Content Management System

• Manage your content through our cloud based content management system from anywhere in the world.
• User control enables you to manage your users and control who in your organization has access to update specific areas
• Update your screens from anywhere – Content can be uploaded and managed from anywhere in the world via our secure web portal. Simply log in, upload your images and videos to our secure server and send them directly to your screens.

Warranty

• A Three-Year Warranty on all mechanical parts
• Twelve months coverage for electrical parts
• High-quality engineering
• Free, ongoing product support from specialist staff
• Over 13 years of industry experience
• Free spare parts include fans, filter, power supply, backlight cables when ship out

Digital Outdoor CZPT 75inch 4K Dual-Sided Specification

Specifications
TFT Panel
Model No.	AVL-OD750
Panel size	75″ TFT-LCD
Display area(mm)/mode	930(H)*1651.6(V)
Maximum resolution	1920*1080
Display color	16.7M
Brightness (nits)	2500nits~3000nits
Contrast	1100:1
Visual angle	178°/178°
Response time	6ms
Life(hrs)	>60,000(hrs)
Interface	HDMI, RJ-45, SDI, USB, VGA, WIFI (optional)
Operating system
Operating system	Android 6.0 operating system, with remote content management system
RAM	1G
SSD	8G
Appearance
Color/appearance	Black, Grey, customized
Case	Galvanized Sheet+ 6mm Tempered glass
Dimension(L*W*D)mm	2580*1250*300 (dual side)
Weight	350kg (dual side)
Installation	Floor-standing
Cooling method	Fans
Electricity
Power supply	AC100~240V 50 /60 HZ
Maximum power consumption	<=1300W (dual side)
Power termination	Integrated circuit breaker
Ambient light sensor	Yes
Speaker	Yes
Antenna	Optional
Touch	Optional
Accessibility	Vandal proof security key access
Temperature
Working temperature	-20ºC~55ºC
Storage temperature	-40ºC~60ºC
Working humidity	85%
Storage humidity	85%
Information
Terms	Unit Price (EXW HangZhou)
Unit price
Sample lead time	20~30 working days
Payment term	50% deposit, 50% balance before shipment
Warranty	1 year free warranty, lifelong technical support
Price validation	15 days

Various digital signage solution, including plug-and-play version, Android version, Windows version

	USB	Android/Wifi	Windows
Content update method	Insert U-Disk	CMS or U Disk	CMS or U Disk
Operating system	Stand-alone	Android 4.4/5.1/6.0/7.1	Windows 7/8/10/Linux
HD 1080P	YES	YES	YES
Intelligent split screen	YES	YES	YES
Time Switch	YES	YES	YES
Automatic Recognition	YES	YES	YES
Wifi network	NO	YES	YES
Remote control management	NO	YES	YES
APP installation	NO	YES	YES
Web surfing	NO	YES	YES
CPU	NO	RK3288	Intel Celeron J1900/Intel Core i3/i5/i7
RAM	NO	2GB/4GB	2GB/4GB/8GB
SSD	NO	8GB/16GB/32GB	64GB/128GB/256GB
Interface	HDMI	USB*2, Wifi, LAN, HDMI, VGA	USB2.0*2, USB3.0*2, HDMI*1, VGA*1
Speaker	NO	2*5W	2*5W
CMS	NO	Yes, for free	Yes, for free
Multiple Language	English	Yes, could be your local language	Yes, could be your local language
Suitable for	Small amount of terminals that don`t require CMS	Interactive customer experience	Interactive information display with web browser

Outdoor Digital Signs Production Line:

About AVLink Interactive Whiteboard Solution:

HangZhou AVLink technology co., ltd, based on Xihu (West Lake) Dis., HangZhou, China. Leader of Chinese interactive whiteboard solution.

AVLink was first established as a manufacturer of IP68, IP67, IP65 and IP55 rated outdoor digital signage, high brightness (1500-4000nits) and wide temperature (-40 to +60 degree) LCD display. It is now 1 of the pioneers who specialized in digital signage solution, smart city solution, passenger information display, outdoor monitors, indoor advertising display.

You only need give us about your application, and project details, we will provide you design, planing and affordable digital signage costs, a turnkey signage solution. We have 3500m2 factory, in the CZPT season, we shipped out more than 1500pcs outdoor display each month.

 

Which Certificate AVLink Has?

Each product meets CE Certificate: CE (EN62368-1:2014+A11:2017) (EN 55032:2015, EN 55035:2017, EN 61000-3-2:2019, EN61000-3-3:2013), and RoHs(2011/65/EU; 2015/863/EU).
 

Outdoor digital signage will have waterproof test and sunlight test, all digital screen will have 48hours aging test before shipping. OEM & ODM services supported for free.

We are China first 15days outdoor display lead time manufacturer. For indoor display only takes 1-3 days.

Who is AVLink?

AVLink is a leading designer, manufacturer and seller of  13.3inch, 21.5inch, 27inch, 32inch, 43inch, 49inch, 55inch, 65inch, 75inch, 86inch and 98inch TFT LCD signs.

AVLink outdoor digital signage production line including billboard advertising, bus advertising, digital display board, digital signage outdoor, kiosk information systems, digital way finding.

Outdoor digital signage displays, high brightness monitor, sunlight readable monitor, street furniture advertising, outdoor digital menu board, drive-thru menu board, outdoor digital display board, as well as outdoor totem, passenger information displays systems, dynamic wayfinding

HangZhou AVLink semi-outdoor digital signage product including high bright screens, window display screens.

AVLink indoor digital signage solution including video wall display, smart fridge, display stand, interactive whiteboard for kids, digital display, digital menu board, self service kiosk, transparent display, e paper display, digital signage solutions, digital screen display, digital kiosk, advertising displays, software digital signage, digital screen advertising, touch screen coffee table,  digital signage for TV.

Interactive whiteboard in the classroom, advertising sign boards, digital kiosk display, transparent refrigerator, floor stand TV mount, digital touch screen,  interactive digital wall, interior way finding signage, digital signage for advertising, interactive touch table, advertising sings for small business, stretch display, indoor digital advertising displays, interactive information kiosks, shelf edge screen, smart table, stretched cut monitor, E-Paper, QLED and OLED screen.

Who`s AVLink Digital Signage Customer?

With over 12 years of experience, AVLink has customers include public transport authorities, outdoor media companies, SmartCity solution providers, strategists, and consultants for a range of applications, including Digital Out Of Home DOOH, Street furniture, wayfinding, SmartCity.

AVLink has a wide spectrum of digital signage, products have been installed in Europe(Germany, Netherlands, Poland, France, Italy, Switzerland, Slovakia, Croatia, Azerbaijan, Latvia, Finland, Spain and Portugal), Asia(Israel, Dubai, Russia, Korea, Malaysia), North America (USA), South America (Columbia, Ecuador), Africa(Morocco) etc. For more details please contact our specialist.

For distributor, we will provide free website and catalog material, such as pictures and videos.

Which Kind of Service You Will Get?

• Provide free marketing material to distributor
• Offer the affordable price of high brightness digital signage
• Manufacturer the top quality digital totem
• Provide 7/24 after-sales service

 

Case Story:

Ask Us Anything(FAQ)

1.Q: Are you a Manufacturer or Trading company?
A: Manufacturer with more than 10 years experience.

2. Q: What’s your main products?
A: We have been focusing on the production of outdoor and indoor digital signage for 10 years.

3.Q: Can you do OEM / ODM for us?
A: Of course. Let us know what you need, we’ll do it for you.

4. Q: Can we visit your factory?
A: Yes, warmly welcome to visit our factory anytime.

5. Q: What is your delivery time?
A: For samples, 1~3 days delivery for indoor dynamic screen, 15~20 days for outdoor digital signage
For bulk order, it depends on your quantity and requirements on OEM / ODM.

6. Do you have CMS?
Yes, we provide free content management system for Android or Windows OS digital signage. For the more information about CMS, please contact our sales director

7. Can I be your distributor? 
For distributor issue, please confirm with our director. Send inquiry now!

How to Calculate Stiffness, Centering Force, Wear and Fatigue Failure of Spline Couplings

There are various types of spline couplings. These couplings have several important properties. These properties are: Stiffness, Involute splines, Misalignment, Wear and fatigue failure. To understand how these characteristics relate to spline couplings, read this article. It will give you the necessary knowledge to determine which type of coupling best suits your needs. Keeping in mind that spline couplings are usually spherical in shape, they are made of steel.

Involute splines

An effective side interference condition minimizes gear misalignment. When 2 splines are coupled with no spline misalignment, the maximum tensile root stress shifts to the left by 5 mm. A linear lead variation, which results from multiple connections along the length of the spline contact, increases the effective clearance or interference by a given percentage. This type of misalignment is undesirable for coupling high-speed equipment.
Involute splines are often used in gearboxes. These splines transmit high torque, and are better able to distribute load among multiple teeth throughout the coupling circumference. The involute profile and lead errors are related to the spacing between spline teeth and keyways. For coupling applications, industry practices use splines with 25 to 50-percent of spline teeth engaged. This load distribution is more uniform than that of conventional single-key couplings.
To determine the optimal tooth engagement for an involved spline coupling, Xiangzhen Xue and colleagues used a computer model to simulate the stress applied to the splines. The results from this study showed that a “permissible” Ruiz parameter should be used in coupling. By predicting the amount of wear and tear on a crowned spline, the researchers could accurately predict how much damage the components will sustain during the coupling process.
There are several ways to determine the optimal pressure angle for an involute spline. Involute splines are commonly measured using a pressure angle of 30 degrees. Similar to gears, involute splines are typically tested through a measurement over pins. This involves inserting specific-sized wires between gear teeth and measuring the distance between them. This method can tell whether the gear has a proper tooth profile.
The spline system shown in Figure 1 illustrates a vibration model. This simulation allows the user to understand how involute splines are used in coupling. The vibration model shows 4 concentrated mass blocks that represent the prime mover, the internal spline, and the load. It is important to note that the meshing deformation function represents the forces acting on these 3 components.

Stiffness of coupling

The calculation of stiffness of a spline coupling involves the measurement of its tooth engagement. In the following, we analyze the stiffness of a spline coupling with various types of teeth using 2 different methods. Direct inversion and blockwise inversion both reduce CPU time for stiffness calculation. However, they require evaluation submatrices. Here, we discuss the differences between these 2 methods.
The analytical model for spline couplings is derived in the second section. In the third section, the calculation process is explained in detail. We then validate this model against the FE method. Finally, we discuss the influence of stiffness nonlinearity on the rotor dynamics. Finally, we discuss the advantages and disadvantages of each method. We present a simple yet effective method for estimating the lateral stiffness of spline couplings.
The numerical calculation of the spline coupling is based on the semi-analytical spline load distribution model. This method involves refined contact grids and updating the compliance matrix at each iteration. Hence, it consumes significant computational time. Further, it is difficult to apply this method to the dynamic analysis of a rotor. This method has its own limitations and should be used only when the spline coupling is fully investigated.
The meshing force is the force generated by a misaligned spline coupling. It is related to the spline thickness and the transmitting torque of the rotor. The meshing force is also related to the dynamic vibration displacement. The result obtained from the meshing force analysis is given in Figures 7, 8, and 9.
The analysis presented in this paper aims to investigate the stiffness of spline couplings with a misaligned spline. Although the results of previous studies were accurate, some issues remained. For example, the misalignment of the spline may cause contact damages. The aim of this article is to investigate the problems associated with misaligned spline couplings and propose an analytical approach for estimating the contact pressure in a spline connection. We also compare our results to those obtained by pure numerical approaches.

Misalignment

To determine the centering force, the effective pressure angle must be known. Using the effective pressure angle, the centering force is calculated based on the maximum axial and radial loads and updated Dudley misalignment factors. The centering force is the maximum axial force that can be transmitted by friction. Several published misalignment factors are also included in the calculation. A new method is presented in this paper that considers the cam effect in the normal force.
In this new method, the stiffness along the spline joint can be integrated to obtain a global stiffness that is applicable to torsional vibration analysis. The stiffness of bearings can also be calculated at given levels of misalignment, allowing for accurate estimation of bearing dimensions. It is advisable to check the stiffness of bearings at all times to ensure that they are properly sized and aligned.
A misalignment in a spline coupling can result in wear or even failure. This is caused by an incorrectly aligned pitch profile. This problem is often overlooked, as the teeth are in contact throughout the involute profile. This causes the load to not be evenly distributed along the contact line. Consequently, it is important to consider the effect of misalignment on the contact force on the teeth of the spline coupling.
The centre of the male spline in Figure 2 is superposed on the female spline. The alignment meshing distances are also identical. Hence, the meshing force curves will change according to the dynamic vibration displacement. It is necessary to know the parameters of a spline coupling before implementing it. In this paper, the model for misalignment is presented for spline couplings and the related parameters.
Using a self-made spline coupling test rig, the effects of misalignment on a spline coupling are studied. In contrast to the typical spline coupling, misalignment in a spline coupling causes fretting wear at a specific position on the tooth surface. This is a leading cause of failure in these types of couplings.

Wear and fatigue failure

The failure of a spline coupling due to wear and fatigue is determined by the first occurrence of tooth wear and shaft misalignment. Standard design methods do not account for wear damage and assess the fatigue life with big approximations. Experimental investigations have been conducted to assess wear and fatigue damage in spline couplings. The tests were conducted on a dedicated test rig and special device connected to a standard fatigue machine. The working parameters such as torque, misalignment angle, and axial distance have been varied in order to measure fatigue damage. Over dimensioning has also been assessed.
During fatigue and wear, mechanical sliding takes place between the external and internal splines and results in catastrophic failure. The lack of literature on the wear and fatigue of spline couplings in aero-engines may be due to the lack of data on the coupling’s application. Wear and fatigue failure in splines depends on a number of factors, including the material pair, geometry, and lubrication conditions.
The analysis of spline couplings shows that over-dimensioning is common and leads to different damages in the system. Some of the major damages are wear, fretting, corrosion, and teeth fatigue. Noise problems have also been observed in industrial settings. However, it is difficult to evaluate the contact behavior of spline couplings, and numerical simulations are often hampered by the use of specific codes and the boundary element method.
The failure of a spline gear coupling was caused by fatigue, and the fracture initiated at the bottom corner radius of the keyway. The keyway and splines had been overloaded beyond their yield strength, and significant yielding was observed in the spline gear teeth. A fracture ring of non-standard alloy steel exhibited a sharp corner radius, which was a significant stress raiser.
Several components were studied to determine their life span. These components include the spline shaft, the sealing bolt, and the graphite ring. Each of these components has its own set of design parameters. However, there are similarities in the distributions of these components. Wear and fatigue failure of spline couplings can be attributed to a combination of the 3 factors. A failure mode is often defined as a non-linear distribution of stresses and strains.